Product Description

Evergreen Machinery’s Features:

–  Application:   Auto part, Flange.

–  Material:  5140(40Cr), SAE1045, SAE1055, Stainless Steel or other material.

–  Main process:  1> Investment casting;2> Deburring;3> Sandblasting;4> Machining;

(Evergreen Machinery’s workshop)

(cnc machine workshop)

Why HangZhou Evergreen? You are our next partner!

–  Rich Experience:  25 years of experience in casting and forging for European and U.S. markets.

–  OEM & ODM products range: Auto parts, Truck Parts, Engine parts, Agriculture equipment parts, Train parts, Hardware, etc.

–  Lost Wax Casting (Investment Casting) Material: 5140(40Cr), SAE1045(45# Steel), SAE1055(55# Steel), Staniless steel, Carbon Steel or other materials as you request.

–  Material Standard: ISO, GB, ASTM , AISI , DIN , BS, JIS.

–  Product weight: From 0.05~200kg;

–  Machining equipment: CNC, Lathe machine, Milling machine, Drilling machine, and so on;

–  Test equipment: Optical Spectrum Analyzer, CMM, Hardness test equipment, Tensile test machine;

–  Surface treatment: Blacking, Polishing, Anodize, Chrome plating, Zinc plating,Nickel plating, Tinting, Power coating, E-coating etc

–  Heat Treatment:  Annealing , Discharge, Carbonization, Tempering, Normalization and Surface tempering

History of CZPT Machinery:

HangZhou CZPT Machinery Co., Ltd started business since 1995, it has 2 subsidiary plants, and the headquarter located in HangZhou, a very famous CZPT city in China.

Our main business in metal products, and our product range mainly covers Metal work, Aluminum Casting, Investment/Precision casting steel, Sand casting, Forging, and so on. These products used in Wind power, Turbine, heavy duty Truck, Train, Engine, Agriculture equipment, Lighting, Marine and Mining machinery, Hardware, CZPT breeding, etc.

Evergreen Machinery’s Capability & Capacity:

–  Capacity: 1> Al die casting: 3000~4000 ton per year;
                  2> Sand casting: 10000 ton per year;
                  3> Investment casting: 2000 ton per year;
                  4> Forging: 8000 ton per year.

–  Our metal work factory pass EN15085 & ISO3834 welding certificate

–  Machining equipment: CNC, Lathe machine, Milling machine, Drilling machine, Grinding machine, and so on.

–  Test equipment: Optical Spectrum Analyzer, CMM, Hardness test equipment, Tensile test machine.

–  Surface treatment: Powder coating, Anodization, Chrome plating, Painting, Sand blasting, Galvanization.

Evergreen Machinery’s Quality & Service:

Our quality philosophy is “ No Compromise“.

We have a diverse customer range CZPT over 30 countries and regions, including Germany, USA, Australia and Japan. We’re committed to serve our customer by providing quality products and services. For our original customers, we offer products and services that meet or exceed their expectations whenever needed. For our emerging market customers, we provide value-added, affordable products whenever possible.

(Original Design)

 Evergreen Machinery’s Commercial Terms:

–  Services: OEM & ODM both accepted. Products can be designed and produced as per customer’s requirements in forms of Samples, Drawings or even just a draft idea. 

–  Rich Experience: Over 25 years of experience in casting, welding, forging and precision machining for US, European and other overseas markets.

–  Leadtime (Negotiable) : 

    1> For toolings: around 15-35 days.
    2> For samples: 7- 15 days. 
    3> For batch production: 25 days.

–  Payment terms (Negotiable): 

    1> For toolings: 100% pre-payment before development.
    2> For samples: For free unless the sample(s) value is too big. 
    3> For mass production: 30% down payment before production (and after samples approval), balance 70% before delivery. 

–  Package: Carton Box, PlyWood Box, Standard Export Pallets or as per customers’ requirements.

–  Shipping terms: EXW, FOB, CFR, CIF, DDP, DDU…all could be accepted. 

Evergreen Machinery is Growing With Great Partners!

(Great cooperation with Belgium Partner!)

(Great cooperation with Canadian Partner!)

(Great cooperation with American Partner!)

(Great cooperation with Russian Partner!)

Other Metalforming Capabilities CZPT Machinery Has: 
 

PROCESS		MATERIAL
Lost Foam Casting		Ductile iron GGG 40 to GGG 80 / Grey Iron ASTM 60-40-18 / 65-45-12 / 80-55-06 / 100-70-03 Carbon steel, Hi-Mn steel, Hi-Cr steel Austempering ductile iron Heat resistant steel / Wear resistant steel
Sand Casting	Green Sand	Grey Iron, Ductile Iron, Malleable Iron, Stainless Steel, Carbon Steel, Aluminum Alloy, Brass, etc
	Furan Resin Sand
	Cold Harden Resin Sand
Investment Casting	Sodium Silicone (Water glass)	Stainless Steel, Carbon Steel, Special Alloy Steel, Brass
	Silica Sol
Forging	Hammer Forging	Stainless Steel, Carbon Steel, Alloy Steel, Brass, Aluminum
	Die Forging
	Roll Forging
Die Casting	High Pressure Die Casting	Aluminum, Zinc, Brass
	Low Pressure Die Casting
	Gravity Pressure Die Casting
Surface Finish		Powder coating, Anodization, Chrome plating, Painting, Sand blasting, Nickel Plating, Zinc Plating, Blacking, Polishing, Bluing, etc.
Machining		Lathe, planer, drilling, boring, tapping, line cutting, milling, CNC
Inspection		Test equipment: Spectrum Analyzer, CMM, Hardness test equipment, Tension test machine.

How to Assemble a Pulley System

A pulley is a wheel that rotates on a shaft or shaft to support the movement of a taut cable. Pulleys allow power to be transmitted from the shaft to the cable.

Simple pulley

The simplest theory of operation of a pulley system assumes that the rope and weight are weightless and that the rope and pulley are not stretched. Since the force on the pulley is the same, the force on the pulley shaft must also be zero. Therefore, the force exerted on the pulley shaft is also distributed evenly between the 2 wires passing through the pulley. The force distribution is shown in Figure 1.
The use of simple pulleys is as old as history. Before the Industrial Revolution, people relied on muscle strength to carry heavy loads. Pulleys, levers and ramps make this possible. Today, we can see pulleys in a variety of systems, from exercise equipment to garage doors, and even rock climbers use them to help them reach greater heights. As you can see, these simple machines have been around for centuries and are used in everyday life.
Another simple pulley system is the pulley system. In this system, there is a fixed pulley at the top and a movable pulley at the bottom. The 2 pulleys are connected by a rope. This combination reduces the amount of work required to lift the load. Additionally, the ropes used in this system are usually made of rope and woven through the individual wheels of the pulley drum.
A pulley is an ingenious device that distributes weight evenly and can be used to lift heavy objects. It is easy to build and can be easily modified for a wide range of activities. Even young children can make their own with very few materials. You can also use simple household items such as washing machines, thin textbooks and even chopsticks. It’s very useful and can be a great addition to your child’s science and engineering activities.
The simplest pulley system is movable. The axis of the movable pulley can move freely in space. The load is attached to 1 end of the pulley and the other end to the stationary object. By applying force on the other end of the rope, the load is lifted. The force at the other end of the rope is equal to the force at the free end of the pulley.
Another form of pulley is the compound pulley. Compound pulleys use 2 or more wheels to transmit force. Compound pulleys have 2 or more wheels and can lift heavier objects. Dim is POLE2.

tapered pulley

It is important to clean and align the bolt holes before assembling the tapered pulley. The screws should be lubricated and the threads cleaned before installation. To install the pulley, insert it into the shaft keyway. The keyway should be aligned with the shaft hole to prevent foreign matter from entering the pulley. Then, alternately tighten the bolts until the pulley is tightened to the desired torque.
A tapered pulley is a basic structure. The pulley belt is arranged across 4 steps. Installed between the headstock casting and the main shaft, it is often used in the paper industry. It integrates with printing machinery and supports assembly lines. These pulleys are also available in metric range options, eliminating the need for ke-waying or re-drilling. They are easy to install, and users can even customize them to suit their needs.
CZPT Private Limited is a company that provides unique products for various industries. This large product is used for many different purposes. Also, it is manufactured for industrial use. The company’s website provides detailed specifications for the product. If you need a tapered pulley, contact a company in your area today to purchase a quality product!
Tapered pulleys are vital to paper mill machinery. Its special design and construction enable it to transmit power from the engine source to the drive components. The advantages of this pulley include low maintenance costs and high mechanical strength. Cone wheel diameters range from 10 inches to 74 inches. These pulleys are commonly used in paper mills as they offer low maintenance, high mechanical strength and low wear.
A tapered sleeve connects the pulley to the shaft and forms an interference fit connector. The taper sleeve is fixed on the shaft with a key, and the corresponding inner hole is fixed on the shaft with a key. These features transmit torque and force to the pulley through friction. This allows the tapered pulley to move in a circular motion. The torque transfer characteristics of this pulley are most effective in high speed applications.
The sleeve is the most important part when assembling the tapered pulley. There is an 8-degree taper inside the cone, which is closely connected to the inner surface of the pulley. Taper sleeves and pulleys are interchangeable. However, tapered pulleys can be damaged after prolonged use.

pulley pulley system

A pulley pulley system is a great way to move heavy objects. These systems have been around for centuries, dating back to the ancient Greeks. This simple mechanism enables a person to lift heavy objects. These blocks are usually made of rope, and the number of turns varies for different types of rope. Some blocks have more cords than others, which creates friction and interferes with the easy movement of the lifting system.
When using a pulley pulley, the first thing to decide is which direction to pull. Unfavorable rigging means pulling in the opposite direction. In theory, this method is less efficient, but sometimes requires a certain amount of work space. The benefit is that you will increase the mechanical advantage of the pulley by pulling in the opposite direction. So the interception and tackle system will give you more of a mechanical advantage.
Pulley pulleys are an excellent choice for lifting heavy objects. The system is simple to install and users can easily lift objects without extensive training. Figure 3.40 shows a pulley in action. In this photo, the person on the left is pulling a rope and tying the end of the rope to a weight. When the rope is attached to the load, the rope will be pulled over the pulley and pulley.
The blocks on the blocks are attached to the ends of the rope. This creates unique lifting advantages compared to single-line systems. In Figure 3, the tension of each thread is equal to one-third of the unit weight. When the rope is pulled over the pulley, the force is divided equally between the 2 wires. The other pulley reverses the direction of the force, but that doesn’t add any advantage.
Use pulleys to reduce traction and load. The weight of the load has not changed, but the length of the rope has increased. Using this method, lifting the load by pulling the rope 4 times reduces the force required to lift 1 foot. Likewise, if the pulley system had 4 pulleys instead of three, the length of the rope would be tripled.
The system can transmit loads in any direction. Rope length is determined by multiplying the distance from the fixed block to the load by the mechanical advantage. If the mechanical advantage is 3:1, then passing the rope through the pulley 3 times will produce the required traction distance. Also, the length of the rope will depend on the mechanical advantage, so if the load is 3 times the length of the rope, it will be more than 3 times the required length.

Product Description

Evergreen Machinery’s Features:

–  Application:   Auto part, Flange.

–  Material:  5140(40Cr), SAE1045, SAE1055, Stainless Steel or other material.

–  Main process:  1> Investment casting;2> Deburring;3> Sandblasting;4> Machining;

(Evergreen Machinery’s workshop)

(cnc machine workshop)

Why HangZhou Evergreen? You are our next partner!

–  Rich Experience:  25 years of experience in casting and forging for European and U.S. markets.

–  OEM & ODM products range: Auto parts, Truck Parts, Engine parts, Agriculture equipment parts, Train parts, Hardware, etc.

–  Lost Wax Casting (Investment Casting) Material: 5140(40Cr), SAE1045(45# Steel), SAE1055(55# Steel), Staniless steel, Carbon Steel or other materials as you request.

–  Material Standard: ISO, GB, ASTM , AISI , DIN , BS, JIS.

–  Product weight: From 0.05~200kg;

–  Machining equipment: CNC, Lathe machine, Milling machine, Drilling machine, and so on;

–  Test equipment: Optical Spectrum Analyzer, CMM, Hardness test equipment, Tensile test machine;

–  Surface treatment: Blacking, Polishing, Anodize, Chrome plating, Zinc plating,Nickel plating, Tinting, Power coating, E-coating etc

–  Heat Treatment:  Annealing , Discharge, Carbonization, Tempering, Normalization and Surface tempering

History of CZPT Machinery:

HangZhou CZPT Machinery Co., Ltd started business since 1995, it has 2 subsidiary plants, and the headquarter located in HangZhou, a very famous CZPT city in China.

Our main business in metal products, and our product range mainly covers Metal work, Aluminum Casting, Investment/Precision casting steel, Sand casting, Forging, and so on. These products used in Wind power, Turbine, heavy duty Truck, Train, Engine, Agriculture equipment, Lighting, Marine and Mining machinery, Hardware, CZPT breeding, etc.

Evergreen Machinery’s Capability & Capacity:

–  Capacity: 1> Al die casting: 3000~4000 ton per year;
                  2> Sand casting: 10000 ton per year;
                  3> Investment casting: 2000 ton per year;
                  4> Forging: 8000 ton per year.

–  Our metal work factory pass EN15085 & ISO3834 welding certificate

–  Machining equipment: CNC, Lathe machine, Milling machine, Drilling machine, Grinding machine, and so on.

–  Test equipment: Optical Spectrum Analyzer, CMM, Hardness test equipment, Tensile test machine.

–  Surface treatment: Powder coating, Anodization, Chrome plating, Painting, Sand blasting, Galvanization.

Evergreen Machinery’s Quality & Service:

Our quality philosophy is “ No Compromise“.

We have a diverse customer range CZPT over 30 countries and regions, including Germany, USA, Australia and Japan. We’re committed to serve our customer by providing quality products and services. For our original customers, we offer products and services that meet or exceed their expectations whenever needed. For our emerging market customers, we provide value-added, affordable products whenever possible.

(Original Design)

 Evergreen Machinery’s Commercial Terms:

–  Services: OEM & ODM both accepted. Products can be designed and produced as per customer’s requirements in forms of Samples, Drawings or even just a draft idea. 

–  Rich Experience: Over 25 years of experience in casting, welding, forging and precision machining for US, European and other overseas markets.

–  Leadtime (Negotiable) : 

    1> For toolings: around 15-35 days.
    2> For samples: 7- 15 days. 
    3> For batch production: 25 days.

–  Payment terms (Negotiable): 

    1> For toolings: 100% pre-payment before development.
    2> For samples: For free unless the sample(s) value is too big. 
    3> For mass production: 30% down payment before production (and after samples approval), balance 70% before delivery. 

–  Package: Carton Box, PlyWood Box, Standard Export Pallets or as per customers’ requirements.

–  Shipping terms: EXW, FOB, CFR, CIF, DDP, DDU…all could be accepted. 

Evergreen Machinery is Growing With Great Partners!

(Great cooperation with Belgium Partner!)

(Great cooperation with Canadian Partner!)

(Great cooperation with American Partner!)

(Great cooperation with Russian Partner!)

Other Metalforming Capabilities CZPT Machinery Has: 
 

PROCESS		MATERIAL
Lost Foam Casting		Ductile iron GGG 40 to GGG 80 / Grey Iron ASTM 60-40-18 / 65-45-12 / 80-55-06 / 100-70-03 Carbon steel, Hi-Mn steel, Hi-Cr steel Austempering ductile iron Heat resistant steel / Wear resistant steel
Sand Casting	Green Sand	Grey Iron, Ductile Iron, Malleable Iron, Stainless Steel, Carbon Steel, Aluminum Alloy, Brass, etc
	Furan Resin Sand
	Cold Harden Resin Sand
Investment Casting	Sodium Silicone (Water glass)	Stainless Steel, Carbon Steel, Special Alloy Steel, Brass
	Silica Sol
Forging	Hammer Forging	Stainless Steel, Carbon Steel, Alloy Steel, Brass, Aluminum
	Die Forging
	Roll Forging
Die Casting	High Pressure Die Casting	Aluminum, Zinc, Brass
	Low Pressure Die Casting
	Gravity Pressure Die Casting
Surface Finish		Powder coating, Anodization, Chrome plating, Painting, Sand blasting, Nickel Plating, Zinc Plating, Blacking, Polishing, Bluing, etc.
Machining		Lathe, planer, drilling, boring, tapping, line cutting, milling, CNC
Inspection		Test equipment: Spectrum Analyzer, CMM, Hardness test equipment, Tension test machine.

Types of Pulley Systems

If you’ve ever tried to lift a pail of water, you’ve probably seen the pulley system in action. Pulleys are extremely useful tools for everything from household appliances to heavy industrial machinery. Different kinds of pulley systems are classified according to their amount of motion. Some types have fixed axes, while others have movable axes. Some common uses of pulleys are listed below.

two-wheel pulley

Pulleys are complex structures with thin-walled and thick-walled sections. Therefore, they require specific forging designs. The tool concept for the production of pulleys is shown in Figure 11.6. Using the generated tool, the pulley can be forged into different shapes. Process parameters must be optimized based on material, surface quality and metallographic analysis.
Pulleys are wheels mounted on shafts. Its main function is to assist the movement of heavy objects. A single-wheel pulley can change the direction of the force, enabling a person to pull heavy objects. A dual-wheel pulley distributes the weight evenly across both wheels, allowing it to lift the same weight with half the effort.
The mechanical advantage of a two-wheel pulley is that it reduces the force required by about half. A 100 kg object can be lifted with a force of 500 Newtons. The mechanical advantage of a pulley with 2 wheels is twice that of a single-wheel pulley. However, care should always be taken when using two-wheel pulleys.
Two-wheel pulleys can be fixed or movable. A single wheel pulley can only change direction when the load is placed on 1 side of the wheel. Two-wheel pulleys change direction when lifting a load, requiring half the force. Live wheels are better for heavier loads. The movable pulley can be adjusted with the load, and the load distribution is more uniform. Active pulleys can be used with single-rope or two-wheel pulleys.
A pulley system with 2 wheels is called a compound pulley. This type of pulley system has a complex design that reduces the force required to move the load. Two-wheel pulleys are common in industrial and construction environments. These pulleys require a lot of space to install and operate. Additionally, they require regular maintenance to avoid wear and tear.

composite pulley

Compound pulleys are used to increase lift. One fixed pulley is attached to the overhead while the other fixed pulley is attached to the load. This setup minimizes the force required to lift weights, allowing you to lift heavier weights. There are several different types of compound pulleys, each with their own strengths and weaknesses. Below are some examples of their application. Some of the most common are listed below.
Composite pulleys are usually made from 2 different types of wheels. The first 1 is fixed and secure. The second type, movable, is attached to something that moves. The third type, compound pulley, is a combination of a movable pulley and a fixed pulley. Below are 3 types of comparisons. The table below compares them and explains their advantages and disadvantages. Composite pulleys are the most versatile of the three.
The number of sheave segments that make up the composite sheave system increases the mechanical advantage of the system. Each segment adds 1 percent of the total weight, and the ideal mechanical advantage is 2 or more. So a compound pulley with 4 segments will lift three-quarters of the weight. This is because the force applied to the load is multiplied by four. The result is a better boost.
While composite pulleys have many uses, they are most commonly used on larger sailboats. These pulleys work by changing the direction of the control wire or by changing the mechanical force of the rope. They also make it easier to lift heavier objects. Composite pulleys are more expensive than simple pulleys, so consider your needs before buying. The advantages of composite pulleys outweigh the disadvantages.
A basic compound pulley is a device consisting of 2 wheels with fixed points. Ropes are looped around the wheels and are used to lift heavy objects. When you pull on the rope, the rope pulls the 2 wheels closer together. Serious injury could result if this equipment is installed incorrectly. Never exceed the lifting capacity of pulleys and other safety devices that may be attached. When using pulleys, be sure to follow the instructions on the mounting hardware to avoid accidents.

Fixed pulley

Moving pulleys and fixed pulleys are different types of mechanical devices. The movable pulley moves with the object it is used to lift. Because it attaches to the object it is used to lift, it is great for lifting heavy objects. These devices are used in construction cranes and multipurpose elevators. There are many different types of pulleys, and their uses vary widely. Below is a brief overview of these devices.
The simplest pulley set consists of a wheel that is mounted on the ceiling. A rope is attached at 1 end and a person pulls at the other end. The rope is strong enough to keep a person standing while lifting weights. It takes about 200 Newtons of force to lift a 20 kg weight. In contrast, a movable pulley requires a force of 1000N, which makes it easier to lift heavy objects.
Fixed pulleys are another common lifting device. They work by using ropes and slotted wheels attached to the object to be lifted. These devices are convenient to use because they are easy to set up. Moving the scroll wheel doesn’t change direction, so it’s easier to move objects without putting too much pressure on the back. Unlike a moving rope, a moving object will feel much lighter than its actual weight.
Fixed pulleys are widely used in construction and agriculture. Fixed pulleys can help lift supplies and equipment from scaffolding. These items are often heavy and difficult to lift directly. Fixed pulleys at the top of the scaffolding will allow people at the bottom to lift objects more easily. As a result, those at the bottom are less stressed and more productive. Fixed pulleys will save time and money compared to moving ropes.
Composite pulleys combine fixed and movable pulleys to increase the power of movement. A compound pulley system uses both types of pulleys and enables a person to change direction by reversing the direction of a force. The compound pulley system will save time and effort as the user only has to put in half the effort. Unlike moving ropes, composite pulleys are easy to adjust and are the most versatile system on the market.

Blocks and tackles

A pulley block system is a rope hoist that uses a set of pulleys mounted on a frame. The blocks are arranged in a row, and the threaded rope is called a pulley. Pulley systems help amplify the tension of the rope and are common in sailboats, cranes and drilling rigs. However, these systems are not without drawbacks.
The pulley pulley system can be equipped with as many pulleys as required. This method allows a person to lift heavy objects. The pulley block system can contain the required number of pulleys to achieve the desired height. The main disadvantage of pulley systems is that they create a lot of friction on the pulley shaft.
Pulley systems use 2 types of pulleys. A movable pulley is attached to the load, allowing it to move with the load. On the other hand, fixed pulleys are fixed on fixed points. Therefore, a pulley block system may consist of multiple pulleys mounted on a shaft. For example, the 2 pulleys attached to the shaft each have their own mechanical advantages.
Several types of tackle systems have been developed in recent centuries. The most basic is the gun mount, which uses 2 pulleys to lift the load. The mechanical advantage of such a system is 2 to 3 times the distance required by the rope to move the load. Depending on how they’re assembled, the system can lift 400 pounds with 80 or 100 pounds of force.
Another type of pulley is a combination of multiple wheels. The wheels on pulleys are supported by a housing or frame. The chain is attached to the pulley, and the rope is pulled to lift it. A combined pulley system will have multiple wheels. As the load increases, the force on the pulley also increases. This approach is generally more expensive than intercept and intercept systems.

Product Description

Evergreen Machinery’s Features:

–  Application:   Auto part, Flange.

–  Material:  5140(40Cr), SAE1045, SAE1055, Stainless Steel or other material.

–  Main process:  1> Investment casting;2> Deburring;3> Sandblasting;4> Machining;

(Evergreen Machinery’s workshop)

(cnc machine workshop)

Why HangZhou Evergreen? You are our next partner!

–  Rich Experience:  25 years of experience in casting and forging for European and U.S. markets.

–  OEM & ODM products range: Auto parts, Truck Parts, Engine parts, Agriculture equipment parts, Train parts, Hardware, etc.

–  Lost Wax Casting (Investment Casting) Material: 5140(40Cr), SAE1045(45# Steel), SAE1055(55# Steel), Staniless steel, Carbon Steel or other materials as you request.

–  Material Standard: ISO, GB, ASTM , AISI , DIN , BS, JIS.

–  Product weight: From 0.05~200kg;

–  Machining equipment: CNC, Lathe machine, Milling machine, Drilling machine, and so on;

–  Test equipment: Optical Spectrum Analyzer, CMM, Hardness test equipment, Tensile test machine;

–  Surface treatment: Blacking, Polishing, Anodize, Chrome plating, Zinc plating,Nickel plating, Tinting, Power coating, E-coating etc

–  Heat Treatment:  Annealing , Discharge, Carbonization, Tempering, Normalization and Surface tempering

History of CZPT Machinery:

HangZhou CZPT Machinery Co., Ltd started business since 1995, it has 2 subsidiary plants, and the headquarter located in HangZhou, a very famous CZPT city in China.

Our main business in metal products, and our product range mainly covers Metal work, Aluminum Casting, Investment/Precision casting steel, Sand casting, Forging, and so on. These products used in Wind power, Turbine, heavy duty Truck, Train, Engine, Agriculture equipment, Lighting, Marine and Mining machinery, Hardware, CZPT breeding, etc.

Evergreen Machinery’s Capability & Capacity:

–  Capacity: 1> Al die casting: 3000~4000 ton per year;
                  2> Sand casting: 10000 ton per year;
                  3> Investment casting: 2000 ton per year;
                  4> Forging: 8000 ton per year.

–  Our metal work factory pass EN15085 & ISO3834 welding certificate

–  Machining equipment: CNC, Lathe machine, Milling machine, Drilling machine, Grinding machine, and so on.

–  Test equipment: Optical Spectrum Analyzer, CMM, Hardness test equipment, Tensile test machine.

–  Surface treatment: Powder coating, Anodization, Chrome plating, Painting, Sand blasting, Galvanization.

Evergreen Machinery’s Quality & Service:

Our quality philosophy is “ No Compromise“.

We have a diverse customer range CZPT over 30 countries and regions, including Germany, USA, Australia and Japan. We’re committed to serve our customer by providing quality products and services. For our original customers, we offer products and services that meet or exceed their expectations whenever needed. For our emerging market customers, we provide value-added, affordable products whenever possible.

(Original Design)

 Evergreen Machinery’s Commercial Terms:

–  Services: OEM & ODM both accepted. Products can be designed and produced as per customer’s requirements in forms of Samples, Drawings or even just a draft idea. 

–  Rich Experience: Over 25 years of experience in casting, welding, forging and precision machining for US, European and other overseas markets.

–  Leadtime (Negotiable) : 

    1> For toolings: around 15-35 days.
    2> For samples: 7- 15 days. 
    3> For batch production: 25 days.

–  Payment terms (Negotiable): 

    1> For toolings: 100% pre-payment before development.
    2> For samples: For free unless the sample(s) value is too big. 
    3> For mass production: 30% down payment before production (and after samples approval), balance 70% before delivery. 

–  Package: Carton Box, PlyWood Box, Standard Export Pallets or as per customers’ requirements.

–  Shipping terms: EXW, FOB, CFR, CIF, DDP, DDU…all could be accepted. 

Evergreen Machinery is Growing With Great Partners!

(Great cooperation with Belgium Partner!)

(Great cooperation with Canadian Partner!)

(Great cooperation with American Partner!)

(Great cooperation with Russian Partner!)

Other Metalforming Capabilities CZPT Machinery Has: 
 

PROCESS		MATERIAL
Lost Foam Casting		Ductile iron GGG 40 to GGG 80 / Grey Iron ASTM 60-40-18 / 65-45-12 / 80-55-06 / 100-70-03 Carbon steel, Hi-Mn steel, Hi-Cr steel Austempering ductile iron Heat resistant steel / Wear resistant steel
Sand Casting	Green Sand	Grey Iron, Ductile Iron, Malleable Iron, Stainless Steel, Carbon Steel, Aluminum Alloy, Brass, etc
	Furan Resin Sand
	Cold Harden Resin Sand
Investment Casting	Sodium Silicone (Water glass)	Stainless Steel, Carbon Steel, Special Alloy Steel, Brass
	Silica Sol
Forging	Hammer Forging	Stainless Steel, Carbon Steel, Alloy Steel, Brass, Aluminum
	Die Forging
	Roll Forging
Die Casting	High Pressure Die Casting	Aluminum, Zinc, Brass
	Low Pressure Die Casting
	Gravity Pressure Die Casting
Surface Finish		Powder coating, Anodization, Chrome plating, Painting, Sand blasting, Nickel Plating, Zinc Plating, Blacking, Polishing, Bluing, etc.
Machining		Lathe, planer, drilling, boring, tapping, line cutting, milling, CNC
Inspection		Test equipment: Spectrum Analyzer, CMM, Hardness test equipment, Tension test machine.

Screw Shaft Types and Uses

Various uses for the screw shaft are numerous. Its major diameter is the most significant characteristic, while other aspects include material and function are important. Let us explore these topics in more detail. There are many different types of screw shafts, which include bronze, brass, titanium, and stainless steel. Read on to learn about the most common types. Listed below are some of the most common uses for a screw shaft. These include: C-clamps, screw jacks, vises, and more.

Major diameter of a screw shaft

A screw’s major diameter is measured in fractions of an inch. This measurement is commonly found on the screw label. A screw with a major diameter less than 1/4″ is labeled #0 to #14; those with a larger diameter are labeled fractions of an inch in a corresponding decimal scale. The length of a screw, also known as the shaft, is another measure used for the screw.
The major diameter of a screw shaft is the greater of its 2 outer diameters. When determining the major diameter of a screw, use a caliper, micrometer, or steel rule to make an accurate measurement. Generally, the first number in the thread designation refers to the major diameter. Therefore, if a screw has a thread of 1/2-10 Acme, the major diameter of the thread is.500 inches. The major diameter of the screw shaft will be smaller or larger than the original diameter, so it’s a good idea to measure the section of the screw that’s least used.
Another important measurement is the pitch. This measures the distance between 1 thread’s tip and the next thread’s corresponding point. Pitch is an important measurement because it refers to the distance a screw will advance in 1 turn. While lead and pitch are 2 separate concepts, they are often used interchangeably. As such, it’s important to know how to use them properly. This will make it easier to understand how to select the correct screw.
There are 3 different types of threads. The UTS and ISO metric threads are similar, but their common values for Dmaj and Pmaj are different. A screw’s major diameter is the largest diameter, while the minor diameter is the lowest. A nut’s major diameter, or the minor diameter, is also called the nut’s inside diameter. A bolt’s major diameter and minor diameter are measured with go/no-go gauges or by using an optical comparator.
The British Association and American Society of Mechanical Engineers standardized screw threads in the 1840s. A standard named “British Standard Whitworth” became a common standard for screw threads in the United States through the 1860s. In 1864, William Sellers proposed a new standard that simplified the Whitworth thread and had a 55 degree angle at the tip. Both standards were widely accepted. The major diameter of a screw shaft can vary from 1 manufacturer to another, so it’s important to know what size screw you’re looking for.
In addition to the thread angle, a screw’s major diameter determines the features it has and how it should be used. A screw’s point, or “thread”, is usually spiky and used to drill into an object. A flat tipped screw, on the other hand, is flat and requires a pre-drilled hole for installation. Finally, the diameter of a screw bolt is determined by the major and minor diameters.

Material of a screw shaft

A screw shaft is a piece of machine equipment used to move raw materials. The screw shaft typically comprises a raw material w. For a particular screw to function correctly, the raw material must be sized properly. In general, screw shafts should have an axial-direction length L equal to the moving amount k per 1/2 rotation of the screw. The screw shaft must also have a proper contact angle ph1 in order to prevent raw material from penetrating the screw shaft.
The material used for the shaft depends on its application. A screw with a ball bearing will work better with a steel shaft than 1 made of aluminum. Aluminum screw shafts are the most commonly used for this application. Other materials include titanium. Some manufacturers also prefer stainless steel. However, if you want a screw with a more modern appearance, a titanium shaft is the way to go. In addition to that, screws with a chromium finish have better wear resistance.
The material of a screw shaft is important for a variety of applications. It needs to have high precision threads and ridges to perform its function. Manufacturers often use high-precision CNC machines and lathes to create screw shafts. Different screw shafts can have varying sizes and shapes, and each 1 will have different applications. Listed below are the different materials used for screw shafts. If you’re looking for a high-quality screw shaft, you should shop around.
A lead screw has an inverse relationship between contact surface pressure and sliding velocity. For heavier axial loads, a reduced rotation speed is needed. This curve will vary depending on the material used for the screw shaft and its lubrication conditions. Another important factor is end fixity. The material of a screw shaft can be either fixed or free, so make sure to consider this factor when choosing the material of your screw. The latter can also influence the critical speed and rigidity of the screw.
A screw shaft’s major diameter is the distance between the outer edge of the thread and the inner smooth part. Screw shafts are typically between 2 and 16 millimeters in diameter. They feature a cylindrical shape, a pointy tip, and a wider head and drive than the former. There are 2 basic types of screw heads: threaded and non-threaded. These have different properties and purposes.
Lead screws are a cost-effective alternative to ball screws, and are used for low power and light to medium-duty applications. They offer some advantages, but are not recommended for continuous power transmission. But lead screws are often quieter and smaller, which make them useful for many applications. Besides, they are often used in a kinematic pair with a nut object. They are also used to position objects.

Function of a screw shaft

When choosing a screw for a linear motion system, there are many factors that should be considered, such as the position of the actuator and the screw and nut selection. Other considerations include the overall length of travel, the fastest move profile, the duty cycle, and the repeatability of the system. As a result, screw technology plays a critical role in the overall performance of a system. Here are the key factors to consider when choosing a screw.
Screws are designed with an external threading that digs out material from a surface or object. Not all screw shafts have complete threading, however. These are known as partially threaded screws. Fully threaded screws feature complete external threading on the shaft and a pointed tip. In addition to their use as fasteners, they can be used to secure and tighten many different types of objects and appliances.
Another factor to consider is axial force. The higher the force, the bigger the screw needs to be. Moreover, screws are similar to columns that are subject to both tension and compression loads. During the compression load, bowing or deflection is not desirable, so the integrity of the screw is important. So, consider the design considerations of your screw shaft and choose accordingly. You can also increase the torque by using different shaft sizes.
Shaft collars are also an important consideration. These are used to secure and position components on the shaft. They also act as stroke limiters and to retain sprocket hubs, bearings, and shaft protectors. They are available in several different styles. In addition to single and double split shaft collars, they can be threaded or set screw. To ensure that a screw collar will fit tightly to the shaft, the cap must not be overtightened.
Screws can be cylindrical or conical and vary in length and diameter. They feature a thread that mates with a complementary helix in the material being screwed into. A self-tapping screw will create a complementary helix during driving, creating a complementary helix that allows the screw to work with the material. A screw head is also an essential part of a screw, providing gripping power and compression to the screw.
A screw’s pitch and lead are also important parameters to consider. The pitch of the screw is the distance between the crests of the threads, which increases mechanical advantage. If the pitch is too small, vibrations will occur. If the pitch is too small, the screw may cause excessive wear and tear on the machine and void its intended purpose. The screw will be useless if it can’t be adjusted. And if it can’t fit a shaft with the required diameter, then it isn’t a good choice.
Despite being the most common type, there are various types of screws that differ in their functions. For example, a machine screw has a round head, while a truss head has a lower-profile dome. An oval-its point screw is a good choice for situations where the screw needs to be adjusted frequently. Another type is a soft nylon tip, which looks like a Half-dog point. It is used to grip textured or curved surfaces.

Product Description

CNC Precision Machined Parts with Investment Castings

 
 
 Lost Wax Silica Sol Investment Stainless Steel Casting

Features:

1. Application: Auto part, Flange.

2. Material: 5140(40Cr), SAE1045, SAE1055, Stainless Steel or other material.

3. Main process:1> Investment casting;2> Deburring;3> Sandblasting;4> Machining;

Why HangZhou Evergreen?

 
1. 25 years of experience in casting and forging for European and U.S. markets.
2. OEM & ODM products range: Auto parts, Truck Parts, Engine parts, Agriculture equipment parts, Train parts, Hardware, etc.

3. Lost Wax Casting (Investment Casting) Material: 5140(40Cr), SAE1045(45# Steel), SAE1055(55# Steel), Staniless steel, Carbon Steel or other materials as you request.

4. Material Standard: ISO, GB, ASTM , AISI , DIN , BS, JIS.

5. Product weight: From 0.05~200kg;

6. Machining equipment: CNC, Lathe machine, Milling machine, Drilling machine, and so on;

7. Test equipment: Optical Spectrum Analyzer, CMM, Hardness test equipment, Tensile test machine;

8. Surface treatment: Blacking, Polishing, Anodize, Chrome plating, Zinc plating,Nickel plating, Tinting, Power coating, E-coating etc

9. Heat Treatment:  annealing , discharge, carbonization, tempering, normalization and surface tempering

Precision Machining Workshops and Equipments:  

 

Lost Wax Silica Sol Investment Stainless Steel Casting

HangZhou CZPT Machinery Co., Ltd started business since 1995, it has 2 subsidiary plants, and the headquarter located in HangZhou, a very famous CZPT city in China.

Our main business in metal products, and our product range mainly covers Metal work, Aluminum Casting, Investment/Precision casting steel, Sand casting, Forging, and so on. These products used in Wind power, Turbine, heavy duty Truck, Train, Engine, Agriculture equipment, Lighting, Marine and Mining machinery, Hardware, CZPT breeding, etc.

Capability & Capacity:

Our capability and production capacity as below:
1.  Capacity: 1> Al die casting: 3000~4000 ton per year; 2> Sand casting: 10000 ton per year; 3> Investment casting: 2000 ton per year; 4> Forging: 8000 ton per year.
2. Our metal work factory pass EN15085 & ISO3834 welding certificate
3.  Machining equipment: CNC, Lathe machine, Milling machine, Drilling machine, Grinding machine, and so on.
4.  Test equipment: Optical Spectrum Analyzer, CMM, Hardness test equipment, Tensile test machine.
5.  Surface treatment: Powder coating, Anodization, Chrome plating, Painting, Sand blasting, Galvanization.

Quality & Service:

Our quality philosophy is ” No Compromise“.

We have a diverse customer range CZPT over 30 countries and regions, including Germany, USA, Australia and Japan. We’re committed to serve our customer by providing quality products and services. For our original customers, we offer products and services that meet or exceed their expectations whenever needed. For our emerging market customers, we provide value-added, affordable products whenever possible.

 

 

PROCESS TYPE		MATERIAL	STHangZhouRD
Sand Casting	Green Sand	Grey Iron, Ductile Iron, Malleable Iron, Brass, Bronze	ISO         GB       ASTM        SAE                BS         JIS         DIN
	Furan Resin Sand
	Cold Harden Resin Sand
Investment casting	Sodium Silicone (Water galss)	Stainless Steel, Carbon Steel, Special Alloy Steel Bronze, Brass, Aluminum
	Lost wax casting
Forging	Hot Forging	Stainless Steel, Carbon Steel, Alloy Streel, Brass, Aluminum
	Warm Forging
	Cold Forging
Machining and other further processiong	Stamping, cutting, welding, polishing,sand blasting……	All metal material

Applications of Our OEM Metal Parts:

 

The Different Types of Splines in a Splined Shaft

A splined shaft is a machine component with internal and external splines. The splines are formed in 4 different ways: Involute, Parallel, Serrated, and Ball. You can learn more about each type of spline in this article. When choosing a splined shaft, be sure to choose the right 1 for your application. Read on to learn about the different types of splines and how they affect the shaft’s performance.

Involute splines

Involute splines in a splined shaft are used to secure and extend mechanical assemblies. They are smooth, inwardly curving grooves that resist separation during operation. A shaft with involute splines is often longer than the shaft itself. This feature allows for more axial movement. This is beneficial for many applications, especially in a gearbox.
The involute spline is a shaped spline, similar to a parallel spline. It is angled and consists of teeth that create a spiral pattern that enables linear and rotatory motion. It is distinguished from other splines by the serrations on its flanks. It also has a flat top. It is a good option for couplers and other applications where angular movement is necessary.
Involute splines are also called involute teeth because of their shape. They are flat on the top and curved on the sides. These teeth can be either internal or external. As a result, involute splines provide greater surface contact, which helps reduce stress and fatigue. Regardless of the shape, involute splines are generally easy to machine and fit.
Involute splines are a type of splines that are used in splined shafts. These splines have different names, depending on their diameters. An example set of designations is for a 32-tooth male spline, a 2,500-tooth module, and a 30 degree pressure angle. An example of a female spline, a fillet root spline, is used to describe the diameter of the splined shaft.
The effective tooth thickness of splines is dependent on the number of keyways and the type of spline. Involute splines in splined shafts should be designed to engage 25 to 50 percent of the spline teeth during the coupling. Involute splines should be able to withstand the load without cracking.

Parallel splines

Parallel splines are formed on a splined shaft by putting 1 or more teeth into another. The male spline is positioned at the center of the female spline. The teeth of the male spline are also parallel to the shaft axis, but a common misalignment causes the splines to roll and tilt. This is common in many industrial applications, and there are a number of ways to improve the performance of splines.
Typically, parallel splines are used to reduce friction in a rotating part. The splines on a splined shaft are narrower on the end face than the interior, which makes them more prone to wear. This type of spline is used in a variety of industries, such as machinery, and it also allows for greater efficiency when transmitting torque.
Involute splines on a splined shaft are the most common. They have equally spaced teeth, and are therefore less likely to crack due to fatigue. They also tend to be easy to cut and fit. However, they are not the best type of spline. It is important to understand the difference between parallel and involute splines before deciding on which spline to use.
The difference between splined and involute splines is the size of the grooves. Involute splines are generally larger than parallel splines. These types of splines provide more torque to the gear teeth and reduce stress during operation. They are also more durable and have a longer life span. And because they are used on farm machinery, they are essential in this type of application.

Serrated splines

A Serrated Splined Shaft has several advantages. This type of shaft is highly adjustable. Its large number of teeth allows large torques, and its shorter tooth width allows for greater adjustment. These features make this type of shaft an ideal choice for applications where accuracy is critical. Listed below are some of the benefits of this type of shaft. These benefits are just a few of the advantages. Learn more about this type of shaft.
The process of hobbing is inexpensive and highly accurate. It is useful for external spline shafts, but is not suitable for internal splines. This type of process forms synchronized shapes on the shaft, reducing the manufacturing cycle and stabilizing the relative phase between spline and thread. It uses a grinding wheel to shape the shaft. CZPT Manufacturing has a large inventory of Serrated Splined Shafts.
The teeth of a Serrated Splined Shaft are designed to engage with the hub over the entire circumference of the shaft. The teeth of the shaft are spaced uniformly around the spline, creating a multiple-tooth point of contact over the entire length of the shaft. The results of these analyses are usually satisfactory. But there are some limitations. To begin with, the splines of the Serrated Splined Shaft should be chosen carefully. If the application requires large-scale analysis, it may be necessary to modify the design.
The splines of the Serrated Splined Shaft are also used for other purposes. They can be used to transmit torque to another device. They also act as an anti-rotational device and function as a linear guide. Both the design and the type of splines determine the function of the Splined Shaft. In the automobile industry, they are used in vehicles, aerospace, earth-moving machinery, and many other industries.

Ball splines

The invention relates to a ball-spinned shaft. The shaft comprises a plurality of balls that are arranged in a series and are operatively coupled to a load path section. The balls are capable of rolling endlessly along the path. This invention also relates to a ball bearing. Here, a ball bearing is 1 of the many types of gears. The following discussion describes the features of a ball bearing.
A ball-splined shaft assembly comprises a shaft with at least 1 ball-spline groove and a plurality of circumferential step grooves. The shaft is held in a first holding means that extends longitudinally and is rotatably held by a second holding means. Both the shaft and the first holding means are driven relative to 1 another by a first driving means. It is possible to manufacture a ball-splined shaft in a variety of ways.
A ball-splined shaft features a nut with recirculating balls. The ball-splined nut rides in these grooves to provide linear motion while preventing rotation. A splined shaft with a nut that has recirculating balls can also provide rotary motion. A ball splined shaft also has higher load capacities than a ball bushing. For these reasons, ball splines are an excellent choice for many applications.
In this invention, a pair of ball-spinned shafts are housed in a box under a carrier device 40. Each of the 2 shafts extends along a longitudinal line of arm 50. One end of each shaft is supported rotatably by a slide block 56. The slide block also has a support arm 58 that supports the center arm 50 in a cantilever fashion.

Sector no-go gage

A no-go gauge is a tool that checks the splined shaft for oversize. It is an effective way to determine the oversize condition of a splined shaft without removing the shaft. It measures external splines and serrations. The no-go gage is available in sizes ranging from 19mm to 130mm with a 25mm profile length.
The sector no-go gage has 2 groups of diametrally opposed teeth. The space between them is manufactured to a maximum space width and the tooth thickness must be within a predetermined tolerance. This gage would be out of tolerance if the splines were measured with a pin. The dimensions of this splined shaft can be found in the respective ANSI or DIN standards.
The go-no-go gage is useful for final inspection of thread pitch diameter. It is also useful for splined shafts and threaded nuts. The thread of a screw must match the contour of the go-no-go gage head to avoid a no-go condition. There is no substitute for a quality machine. It is an essential tool for any splined shaft and fastener manufacturer.
The NO-GO gage can detect changes in tooth thickness. It can be calibrated under ISO17025 standards and has many advantages over a non-go gage. It also gives a visual reference of the thickness of a splined shaft. When the teeth match, the shaft is considered ready for installation. It is a critical process. In some cases, it is impossible to determine the precise length of the shaft spline.
The 45-degree pressure angle is most commonly used for axles and torque-delivering members. This pressure angle is the most economical in terms of tool life, but the splines will not roll neatly like a 30 degree angle. The 45-degree spline is more likely to fall off larger than the other two. Oftentimes, it will also have a crowned look. The 37.5 degree pressure angle is a compromise between the other 2 pressure angles. It is often used when the splined shaft material is harder than usual.

Product Description

Evergreen Machinery’s Features:

–  Application:   Auto part, Flange.

–  Material:  5140(40Cr), SAE1045, SAE1055, Stainless Steel or other material.

–  Main process:  1> Investment casting;2> Deburring;3> Sandblasting;4> Machining;

(Evergreen Machinery’s workshop)

(cnc machine workshop)

Why HangZhou Evergreen? You are our next partner!

–  Rich Experience:  25 years of experience in casting and forging for European and U.S. markets.

–  OEM & ODM products range: Auto parts, Truck Parts, Engine parts, Agriculture equipment parts, Train parts, Hardware, etc.

–  Lost Wax Casting (Investment Casting) Material: 5140(40Cr), SAE1045(45# Steel), SAE1055(55# Steel), Staniless steel, Carbon Steel or other materials as you request.

–  Material Standard: ISO, GB, ASTM , AISI , DIN , BS, JIS.

–  Product weight: From 0.05~200kg;

–  Machining equipment: CNC, Lathe machine, Milling machine, Drilling machine, and so on;

–  Test equipment: Optical Spectrum Analyzer, CMM, Hardness test equipment, Tensile test machine;

–  Surface treatment: Blacking, Polishing, Anodize, Chrome plating, Zinc plating,Nickel plating, Tinting, Power coating, E-coating etc

–  Heat Treatment:  Annealing , Discharge, Carbonization, Tempering, Normalization and Surface tempering

History of CZPT Machinery:

HangZhou CZPT Machinery Co., Ltd started business since 1995, it has 2 subsidiary plants, and the headquarter located in HangZhou, a very famous CZPT city in China.

Our main business in metal products, and our product range mainly covers Metal work, Aluminum Casting, Investment/Precision casting steel, Sand casting, Forging, and so on. These products used in Wind power, Turbine, heavy duty Truck, Train, Engine, Agriculture equipment, Lighting, Marine and Mining machinery, Hardware, CZPT breeding, etc.

Evergreen Machinery’s Capability & Capacity:

–  Capacity: 1> Al die casting: 3000~4000 ton per year;
                  2> Sand casting: 10000 ton per year;
                  3> Investment casting: 2000 ton per year;
                  4> Forging: 8000 ton per year.

–  Our metal work factory pass EN15085 & ISO3834 welding certificate

–  Machining equipment: CNC, Lathe machine, Milling machine, Drilling machine, Grinding machine, and so on.

–  Test equipment: Optical Spectrum Analyzer, CMM, Hardness test equipment, Tensile test machine.

–  Surface treatment: Powder coating, Anodization, Chrome plating, Painting, Sand blasting, Galvanization.

Evergreen Machinery’s Quality & Service:

Our quality philosophy is “ No Compromise“.

We have a diverse customer range CZPT over 30 countries and regions, including Germany, USA, Australia and Japan. We’re committed to serve our customer by providing quality products and services. For our original customers, we offer products and services that meet or exceed their expectations whenever needed. For our emerging market customers, we provide value-added, affordable products whenever possible.

(Original Design)

 Evergreen Machinery’s Commercial Terms:

–  Services: OEM & ODM both accepted. Products can be designed and produced as per customer’s requirements in forms of Samples, Drawings or even just a draft idea. 

–  Rich Experience: Over 25 years of experience in casting, welding, forging and precision machining for US, European and other overseas markets.

–  Leadtime (Negotiable) : 

    1> For toolings: around 15-35 days.
    2> For samples: 7- 15 days. 
    3> For batch production: 25 days.

–  Payment terms (Negotiable): 

    1> For toolings: 100% pre-payment before development.
    2> For samples: For free unless the sample(s) value is too big. 
    3> For mass production: 30% down payment before production (and after samples approval), balance 70% before delivery. 

–  Package: Carton Box, PlyWood Box, Standard Export Pallets or as per customers’ requirements.

–  Shipping terms: EXW, FOB, CFR, CIF, DDP, DDU…all could be accepted. 

Evergreen Machinery is Growing With Great Partners!

(Great cooperation with Belgium Partner!)

(Great cooperation with Canadian Partner!)

(Great cooperation with American Partner!)

(Great cooperation with Russian Partner!)

Other Metalforming Capabilities CZPT Machinery Has: 
 

PROCESS		MATERIAL
Lost Foam Casting		Ductile iron GGG 40 to GGG 80 / Grey Iron ASTM 60-40-18 / 65-45-12 / 80-55-06 / 100-70-03 Carbon steel, Hi-Mn steel, Hi-Cr steel Austempering ductile iron Heat resistant steel / Wear resistant steel
Sand Casting	Green Sand	Grey Iron, Ductile Iron, Malleable Iron, Stainless Steel, Carbon Steel, Aluminum Alloy, Brass, etc
	Furan Resin Sand
	Cold Harden Resin Sand
Investment Casting	Sodium Silicone (Water glass)	Stainless Steel, Carbon Steel, Special Alloy Steel, Brass
	Silica Sol
Forging	Hammer Forging	Stainless Steel, Carbon Steel, Alloy Steel, Brass, Aluminum
	Die Forging
	Roll Forging
Die Casting	High Pressure Die Casting	Aluminum, Zinc, Brass
	Low Pressure Die Casting
	Gravity Pressure Die Casting
Surface Finish		Powder coating, Anodization, Chrome plating, Painting, Sand blasting, Nickel Plating, Zinc Plating, Blacking, Polishing, Bluing, etc.
Machining		Lathe, planer, drilling, boring, tapping, line cutting, milling, CNC
Inspection		Test equipment: Spectrum Analyzer, CMM, Hardness test equipment, Tension test machine.

What is the purpose of the bushing?

If you notice the truck making noises when cornering, the bushings may be worn. You may need to replace the ball joint or stabilizer bar, but a simple inspection will reveal that the noise is coming from the bushing. The noise from a worn bushing on a metal joint can mimic the sound of other problems in the suspension, such as a loose stabilizer bar or a failed ball joint.

Function

What is the purpose of the bushing? They play an important role in the operation of various mechanical parts. Their main functions include reducing the clearance between the shaft and the bearing and reducing the leakage of the valve. Bushings are used in different ways to ensure smooth operation and longevity. However, some new designers don’t appreciate the functionality of the case. So let’s discuss these features. Some of their most common applications are listed below.
First, the shell does a lot of things. They reduce noise, control vibration, and provide amazing protection for all kinds of industrial equipment. Large industrial equipment faces more wear, vibration and noise, which can render it completely inoperable. Bushings help prevent this by reducing noise and vibration. Bushing sets also extend equipment life and improve its performance. Therefore, you should not underestimate the importance of the casing in your device.
Another common function of bushings is to support components during assembly. In other words, the bushing reduces the risk of machine wear. In addition to this, they are superior to bearings, which are notoriously expensive to maintain. However, they are still useful, and their versatility cannot be overemphasized. If you’re considering installing one, you’ll be glad you did! These products have become a necessity in the modern industrial world. If you’re wondering how to choose one, here are some of the most common bushing uses.
Electrical bushings are an important part of many electrical equipment. They carry high voltage currents through the enclosure and provide an insulating barrier between live conductors and metal bodies at ground potential. They are made of a central conductive rod (usually copper or aluminum) and surrounding insulators made of composite resin silicone rubber. Additionally, the bushings are made of various materials. Whether copper, aluminum or plastic, they are an important part of many types of electrical equipment.

type

There are several different types of bushings on the market today. They may be cheap but they are of good quality. These products can be used in telephones, cable television, computer data lines and alarm systems. The key to buying these products online is finding the right appliance store and choosing a high-quality product. An online appliance store should have comprehensive information and ease of use. For the right electrical bushing, you should look for reliable online stores with the best prices and high quality products.
Capacitive grading bushings use conductive foils inserted into paper to stabilize the electric field and balance the internal energy of the bushing. The conductive foil acts as a capacitive element, connecting the high voltage conductor to ground. These types of bushings are sometimes referred to as capacitor grade bushings. Capacitive grading bushings are usually made of paper impregnated with epoxy resin or mineral oil.
When buying enclosures, you should know how they are used. Unlike ball bearings, bushings should be stored upright so that they are in the correct working position. This is because horizontal placement can cause air bubbles to form in the fill insulation. It is also important to store the bushing properly to prevent damage. The wrong way to store these components can result in costly repairs.
In addition to the physical structure, the bushing insulation must also be effective over the long term. It must resist partial discharge and working electric field stress. The material and design of the bushing can vary widely. Early on, porcelain-based materials were popular in bushing designs. Porcelain was chosen because of its low cost of production and very low linear expansion. Ceramic bushings, on the other hand, require a lot of metal fittings and flexible seals.

Durability

The RIG 3 Bushing Durability Test Standard simulates real-world service conditions for automotive bushings. This three-channel test standard varies casing loads and stresses by applying a range of different load conditions and various control factors. This test is critical to the durability of the case, as it accurately reproduces the dynamic loads that occur during normal use. This test is a key component of the automotive industry and is widely used in many industries.
The Advanced Casing Model has 5 modules to address asymmetry, nonlinearity, and hysteresis. This model also represents the CZPT lag model. The model can be parameterized in the time domain using MATLAB, and the results can be exported to other simulation software. The developed bushing model is a key component in the durability and performance of vehicle suspension components.
A conductive material is coated on the inner surface of the sleeve. The coating is chosen to conduct a certain amount of current. The conductive path extends from the blade spacer 126 to the sleeve projecting edge 204 and then through the housing 62 to the ground. The coating is made of a low friction material and acts as a wear surface against the bushing sidewall 212 and the housing 62 .
Another important factor in a bushing’s durability is its ability to friction. The higher the operating speed, the greater the load on the bushing. Since bushings are designed for lighter loads and slower speeds, they cannot handle large loads at high speeds. The P-max or V-max value of a bushing is its maximum load or speed at 0 rpm. The PV value must be lower than the manufacturer’s PV value.

price

If you need to replace the bushing on the control arm, you should understand the cost involved. This repair can be expensive, depending on the make and model of your car. Generally, you should pay between $105 and $180 for a replacement. However, you can choose to have it done by a mechanic at a lower cost. The labor cost for this job can be around $160, depending on your automaker.
The cost of replacing the control arm bushings can range from $200 on the low end to $500 on a luxury car. While parts are cheap, labor costs are the highest. Mechanics had to remove suspension and wheel assemblies to replace bushings. If you have some mechanical knowledge, you can replace the bushing yourself. Control arm bushings on the wheel side are usually about $20 each. Still, if you’re not a mechanic, you can save money by doing it yourself.

Install

Press-fit bushings are installed using a retaining ring with a diameter 0.3/0.4 mm larger than the inner diameter of the bushing. To ensure accurate installation, use a mechanically driven, pneumatic or hydraulic drill and insert the bushing into the appropriate hole. This process is best done using mounting holes with drilled holes for the clamps. Make sure the mounting hole is in the center of the bushing and free of debris.
Once the bushing is positioned, use a vise to install its nut. A cold bushing will compress and fit the shell better. Place the sleeve in the refrigerator for at least 24 hours to aid installation. After removing the bushing from the refrigerator, make sure it has enough diameter to fit into the enclosure. Next, place the opposite socket into the enclosure and use it as a stand. After a few minutes, the bushing should be fully seated in the housing.
Install the new bushing into the housing hole. If the previous 1 had a metal case, insert the new 1 through the taper. Always lubricate the inner and outer surfaces of the bushing. Then, apply pressure to the inner metal sleeve of the new bushing. You may notice that the new bushing does not exactly match the housing hole. However, that’s okay because the outer diameter of the bushing is larger than the outer diameter of the hub drive.
The installation of the bushing requires the use of the hydraulic unit 16 . Hydraulic unit 16 is located near the #1 journal of the camshaft and extends from #2 to #7. Hydraulic fluid forces piston 22 away from the outer end of cylinder 20 and pushes shaft 14 forward. The shaft is then moved forward, pushing the bushing 17 onto the piston. Multiple bushings can be installed in a single engine.