Product Description

Zinc Alloy Forged Part by Factory

Features:

1. ISO9001 & TS 16949 Certified.
2. Products Material Standard: ISO, GB, ASTM, SAE, ISO, EN, DIN, JIS, BS
3. Product weight range: From 0.05 kg to 500 kg;
4. Main process:
  – Manuacture Process: Hot forging, Cold forging, Die forging…etc,
  – Further Production Process: Deburring, Sandblasting, Machining, Heat Treatment, Surface treatment, etc.
5. Available software: Pro/E, Auto CAD, Solidwork.
6. 2D & 3D Drawings (Igs, PDF, JPEG, DWG, CAXA, UG, Stp, etc.) could be made and provided based on the samples.
7. Material Available:
  – Carbon Steel: 10#, 15#, 20#, 25#, 30#, 35#, 40#, 45#, 50#, 55#…etc.  
  – Alloy Steel: 15Mn, 16Mn, 40Cr, 42CrMo…and other alloy steel.
  – Stainless Steel: SUS304, SUS316, SUS316L, etc
  – Aluminum: 6061 T6, 6063 T6, 2A17

Further Production Process: 
 
1. Precision Machining equipment: CNC, Lathe machine, Milling machine, Drilling machine, Grinding machine, and so on;
2. Heat Treatment:  annealing, carbonization, tempering, quench, normalization and surface tempering
3. Surface treatment: Powder coating, Anodization, Chrome plating, Painting, Sand blasting, Nickel Plating, Zinc Plating, Blacking, Polishing, Bluing, etc.

Tooling and Molds: 
1. CZPT material: Cr12, 4Cr5MoSiV1, 4Cr5MoSiV…etc.
1. CZPT life: usually 50,000 shots.  
2. Tooling Leadtime: 15-25 days, depending on the structure and size.
3. Tooling & CZPT maintenance: Be responsible by CZPT Machinery.

1. ISO9001 Certificated and over 25 years of experience in casting and forging.

2. OEM and ODM both are available.

3. Application: Auto Parts, Truck Parts and Agriculture equipment part, etc.

4. Material: 40Cr, 45#(SAE 1045) or other materials as your requirement.

5. Main process: 1> Forging; 2> Normalizing3> Sandblasting; 4> Machining; 5> Further Processing if needed.

Why HangZhou Evergreen?

1.25 years of experience in casting and forging for European and US markets.

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

3. Material: 40Cr, 45# (SAE1045) or other materials as you request.

4. Product weight range: From 0.05~500kg;

5. Machining equipment: CNC, Lathe machine, Milling machine, Drilling machine, Grinding Machine and so on;

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

7. Heat Treatment: Annealing, Discharge, Carbonization, Tempering, Normalization, etc…

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

9. Materials Standards: ISO, GB, ASTM, SAE, ISO, EN, DIN, JIS, BS

Quality Control: 
1. Quality control: The defective products rate is less 0.1%.
2. Sample and pilot run will be given 100% inspection during production and before shipment, Sample check for mass production according to ISO standard or customer requirements
3. Test equipment: Spectrum Analyzer, CMM, Hardness test equipment, Tension test machine;
4. After-sales services are available all time.
5. Quality situation can be traceable.

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 and Who We Serve: 
1. Engine parts,
2. Auto parts,
3. Machinery Parts,
4. Rail Train parts,
5. Truck Parts,
6. Tractor Parts
7. Construction Equipment  
8. Agriculture Equipment,
9. Other industrial fields.

FAQ:

Q: Do you make customized products or finished parts?
A: We make OEM  or ODM products, all parts are not in stock, custom made according to customer’s drawings or samples! If you have any parts to be made, please feel free to send your drawings/samples to us. 

Q: Will my drawing be safe after you get it?
A: Yes, we will not release your design to third party unless with your permission. And we can sign the NDA before you send the drawing. 

Q: What is the MOQ?
A: Usually we don’t set MOQ, but the more, the cheaper. Besides, we are happy to make prototype part or sample for clients to ensure quality standard.

Q: Whether some samples can be provided?
A: Yes, sample cost is needed, but we will return it back when proceed into mass production. If a tooling is needed, we will charge the mold fee before starting. 

Q: What’s your products range?
A: OEM & ODM products range: Auto parts, Truck Parts, Engine parts, Agriculture equipment parts, Train parts, Hardware, etc.

Q: What’s machining machines do you have ?
A: CNC, Lathe machine, Milling machine, Drilling machine, etc..

Q: Do you have any test equipment?
A: Yes, we have Optical Spectrum Analyzer, CMM, Hardness test equipment, Tensile test machine.

Q: How to deal it when they are found to be in poor quality?
A:  Please rest assured that all of our products are QC inspected and accepted with inspection report before delivery and generally there will be no non-conformance; in case of non-conformance, please contact us immediately, sending us some pictures or videos or send the defective products to us for replacement. 

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How to use the pulley system

Using a pulley system is a great way to move things around your home, but how do you use a pulley system? Let’s look at the basic equations that describe a pulley system, the types of pulleys, and some safety considerations when using pulleys. Here are some examples. Don’t worry, you’ll find all the information you need in 1 place!

Basic equations of pulley systems

The pulley system consists of pulleys and chords. When the weight of the load is pulled through the rope, it slides through the groove and ends up on the other side. When the weight moves, the applied force must travel nx distance. The distance is in meters. If there are 4 pulleys, the distance the rope will travel will be 2×24. If there are n pulleys, the distance traveled by the weight will be 2n – 1.
The mechanical advantage of the pulley system increases with distance. The greater the distance over which the force is applied, the greater the leverage of the system. For example, if a set of pulleys is used to lift the load, 1 should be attached to the load and the other to the stand. The load itself does not move. Therefore, the distance between the blocks must be shortened, and the length of the line circulating between the pulleys must be shortened.
Another way to think about the acceleration of a pulley system is to think of ropes and ropes as massless and frictionless. Assuming the rope and pulley are massless, they should have the same magnitude and direction of motion. However, in this case the quality of the string is a variable that is not overdone. Therefore, the tension vector on the block is labeled with the same variable name as the pulley.
The calculation of the pulley system is relatively simple. Five mechanical advantages of the pulley system can be found. This is because the number of ropes supporting the load is equal to the force exerted on the ropes. When the ropes all move in the same direction, they have 2 mechanical advantages. Alternatively, you can use a combination of movable and fixed pulleys to reduce the force.
When calculating forces in a pulley system, you can use Newton’s laws of motion. Newton’s second law deals with acceleration and force. The fourth law tells us that tension and gravity are in equilibrium. This is useful if you need to lift heavy objects. The laws of motion help with calculations and can help you better understand pulley systems.

Types of pulleys

Different types of pulleys are commonly used for various purposes, including lifting. Some pulleys are flexible, which means they can move freely around a central axis and can change the direction of force. Some are fixed, such as hinges, and are usually used for heavier loads. Others are movable, such as coiled ropes. Whatever the purpose, pulleys are very useful in raising and lowering objects.
Pulleys are common in many different applications, from elevators and cargo lift systems to lights and curtains. They are also used in sewing machine motors and sliding doors. Garage and patio doors are often equipped with pulleys. Rock climbers use a pulley system to climb rocks safely. These pulley systems have different types of pinions that allow them to balance weight and force direction.
The most common type of pulley is the pulley pulley system. The pulley system utilizes mechanical advantages to lift weight. Archimedes is thought to have discovered the pulley around 250 BC. in ancient Sicily. Mesopotamians also used pulleys, they used ropes to lift water and windmills. Pulley systems can even be found at Stonehenge.
Another type of pulley is called a compound pulley. It consists of a set of parallel pulleys that increase the force required to move large objects. This type is most commonly used in rock climbing and sailing, while composite pulleys can also be found in theater curtains. If you’re wondering the difference between these 2 types of pulleys, here’s a quick overview:

Mechanical Advantages of Pulley Systems

Pulley systems offer significant mechanical advantages. The ability of the system to reduce the effort required to lift weights increases with the number of rope loops. This advantage is proportional to the number of loops in the system. If the rope had only 1 loop, then a single weight would require the same amount of force to pull. But by adding extra cycles, the force required will be reduced.
The pulley system has the advantage of changing the direction of the force. This makes it easier to move heavy objects. They come in both fixed and mobile. Pulleys are used in many engineering applications because they can be combined with other mechanisms. If you want to know what a pulley can do, read on! Here are some examples. Therefore, you will understand how they are used in engineering.
Single-acting pulleys do not change direction, but compound pulleys do. Their mechanical advantage is six. The compound pulley system consists of a movable pulley and a fixed pulley. The mechanical advantage of the pulley system increases as the number of movable wheels decreases. So if you have 2 wheels, you need twice as much force to lift the same weight because you need a movable pulley.
The mechanical advantage of a pulley system can be maximized by adding more pulleys or rope lengths. For example, if you have a single pulley system, the mechanical advantage is 1 of the smallest. By using 2 or 3 pulleys, up to 5 times the mechanical advantage can be achieved. You can also gain up to 10 times the mechanical advantage by using multiple pulley systems.
The use of a single movable pulley system also adds to the mechanical advantage of the pulley system. In this case, you don’t have to change the direction of the force to lift the weight. In contrast, a movable pulley system requires you to move the rope farther to generate the same force. Using a compound pulley system allows you to lift heavy loads with ease.

Safety Issues When Using Pulley Systems

Pulleys have an incredibly unique structure, consisting of a disc with a groove in the middle and a shaft running through it. A rope or cord is attached to 1 end of a pulley that turns when force is applied. The other end of the rope is attached to the load. This mechanical advantage means that it is much easier to pull an object using the pulley system than to lift the same object by hand.
Although pulley systems are a common part of many manufacturing processes, some employers do not train their workers to use them properly or install protection to prevent injury. It is important to wear proper PPE and follow standard laboratory safety practices during pulley system activities. Make sure any support structures are strong enough to handle the weight and weight of the rope or rope. If you do fall, be sure to contact your employer immediately.