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. | |
Pulley Type
There are several types of pulleys. These include fixed pulleys, load multipliers and movable pulleys. Below is a description of each pulley type. A load multiplier is a special type of pulley with multiple wheels for increased lifting capacity. It is used in a wide range of applications including power transmission and construction. Some common uses of pulleys are listed below.
moving pulley
Movable pulleys work by transferring the weight of a load to another object of the same mass. Since a live pulley is inherently frictionless and weightless, the force required to lift a load with it is the same as the weight of the load. This principle applies to tall buildings and residences. It is an excellent choice for lifting heavy objects such as furniture and washing machines.
A pulley is a mechanical device with a wheel that rotates on a shaft. The axle is attached to the wheel and is usually fixed. The movable pulley can be fixed or movable, both of which can change the direction of the force on the rope. Some pulleys can also change the magnitude and direction of the force. They are ideal for a variety of applications, from lifting heavy objects to transporting objects.
Another type of movable pulley works by transmitting force to another object. It has a free axis and the total force provided by the rope tension is balanced. Since the tension on the rope is constant in each segment, pulling 1 end of the rope will double the force on the shaft, resulting in 2 mechanical advantages. This mechanical advantage is the main reason why movable pulleys are so versatile.
Another form of moving pulley is called a KWL diagram. The KWL diagram summarizes the basic concepts of the drive wheel. KWL diagrams are an excellent way to assess a student’s understanding of the concepts discussed in the course. Word questions are a great way to check whether students understand concepts. When students answer the word questions correctly, the answer is yes!
Fixed wheel pulley
If you need to move heavy objects, a single fixed wheel pulley is not a good choice. Using a single fixed pulley might be similar to using a handbag, but it’s not very convenient. This type of pulley system relies on friction to transmit motion. As a result, it can slip and isn’t always reliable. Fortunately, you can find other options that work just as well.
Fixed pulleys are the most basic type of pulley. They consist of grooved wheels and ropes attached to objects. These pulleys make lifting easier. Because the rope or cable only moves in 1 direction, the movement of the object feels lighter. And they are also easy to install. However, before you buy a fixed wheel pulley, make sure it is strong enough to support the weight of the load.
The disadvantages of fixed pulleys are obvious. One of them is the lack of mechanical advantage. A fixed pulley pulls up with the same force as a single moving pulley, and a single fixed pulley is not particularly effective as a force multiplier. However, the effect is more pronounced when you combine multiple fixed-wheel pulleys. You will get double the power! So what do fixed wheel pulleys have to offer?
Fixed wheel pulleys can be as small as a ring. A single ring pulley requires twice as much force as the weight being pulled. Adding more loops to the rope will reduce the effort required to pull the weight. The mechanical advantage of a fixed pulley is proportional to the number of strands running to the free pulley. A 100-pound pull on the free end will lift a 300-pound load.
composite pulley
Compound pulleys are pulleys that can be used to change the direction of a control wire. It can also be used to modify the mechanical force of the wire by moving the item it is connected to. In galleons, compound pulleys are more common. They are often combined with other ropes for mechanical advantage. Here are some common uses for composite pulleys.
The ideal mechanical advantage of a pulley is equal to the number of rope segments that pull up the load. This means that the more rope segments, the less force is required. A compound pulley will have the ideal mechanical advantage of 2, which means it will generate more force than a simple pulley. Composite pulleys are also more efficient at transmitting force because their number of rope segments is usually equal to the unit weight.
Composite pulley systems use more than 2 pulleys and ropes. More pulleys will reduce the force required to move heavier objects. They are usually used in large sailboats. The system is also used on construction sites. It can be used for a variety of applications, including lifting large objects or transmitting electricity. You can imagine how it would change your life if you had to move a large sailboat, but the result would be the same: a composite pulley system would make it easier to lift a large sailboat.
Composite pulleys are also known as fixed pulleys. The fixed pulley is stationary, and the movable pulley moves back and forth. The latter is more effective when used with a detachable cord or strap. On the other hand, a moving pulley is a moving pulley and it gives you a mechanical advantage. You can imagine this pulley on a flagpole.
load multiplier
The multiplication system has 3 basic parts: the rope grab, the connector, and the pulley. While some basic multipliers may combine the 3 parts, the concept remains the same. The multiplication system can make pulling the rope easier by reducing the amount of friction that occurs. Below are some examples of multiplication systems. A compact rope grab is a great option for resetting the multiplier.
The load reduction that a pulley system can achieve is proportional to the number of ropes used to support it. Although most utility pulley systems use only 4 ropes, the theoretical maximum load reduction is a quarter of the actual load. In other words, the four-wheel system only reduces the weight of a 1,000-pound load by a quarter. That would require 167 pounds of force, a far cry from the 500-pound load a single pulley system can achieve.
The mechanical advantage of a pulley system can be calculated by calculating the ratio between the forces exerted on each wire. For example, a 90-kilogram load is supported by 3 ropes, each weighing about 30-5 pounds. The ropes on pulleys A and B each carry a load of 60 kg. Using this formula, a single pulley system will yield a mechanical advantage over 2 tractors.
To calculate the force required to pull the rope over the pulley, measure the angle and deflection between the ropes. The deflection angle when added to the included angle should equal 180 degrees. A 75 degree angle requires 159% of the load force. This means a total load multiplier of four. This formula is an important tool for calculating the force multiple of the pulley.
Disadvantages of fixed pulleys
There are 2 basic types of pulleys: movable and fixed. Active pulleys are more advanced, allowing the pulley to move according to the load. They reduce the force required to lift the load. Active roller pulleys are more compact and therefore take up less space. Both types are good for lifting heavier objects, but they each have their pros and cons.
Fixed wheel pulleys can be used to lift heavy objects. This type of pulley consists of a wheel with a fixed shaft that has grooves on its edges for guiding ropes or cables. This is a simple machine as no motor or engine is required to lift objects. When 2 or more wheels are used together, the ropes around the wheels form a powerful hoist.
Single wheel pulleys are not suitable for lifting. They tend to push things down. Also, they are unreliable because they rely on friction and can slip. Also, a single wheel pulley would require a lot of space. Another disadvantage of fixed-wheel pulleys is that they make it difficult to move heavy objects easily. Single fixed-wheel pulleys also tend to slip easily, making them a poor choice for many applications.
Fixed wheel pulleys are also easier to install and maintain than manually operated ones. It requires less space and lubrication than manual pulleys. Manual pulleys can cause injury because the operator will be lifting the full weight of the heavy object. Additionally, rope slippage can lead to muscle strains and rope burns. And the system requires frequent maintenance.
