Product Description

 

Product Description

Product Description

Item Sheaves/Pulleys
Design Can be at the customer’ request, tailor-made, at customer’s design
Application Cranes, lifting hooks, lifting grabs, lifting beams
Material SAE4140, SAE4150, SAE4160, 42CrMo, 42CrMo4,SAE1045,45#, stainless steel 410,stainless steel 304
Standard UIC 811-1, EN13261, GOST 31334, IRIS 16/95, KSR 9220, BS 5892, JIS E4502, TB/T 2945
Size From diameter 250mm to 1250mm.
Minimum order 1 pc

Manufacturing Process

1.Free forged or module forged
2.Rough machining process, to remove the surface forged oxidized black leather.
3.100% Ultrasonic Test ASTMA388
4.Heat Treatment according to request, Normalized, Quenched, Tempered….
5.Hardness test
6.Finishing Process to the dimensional state required by the drawing.
7.100% Magnetic Test ASTM E709 and 100% dimensional test
8.Painting or oil protecting TECTYL 506 or similar
9.Packing with boxes

Data Needed for Quotation

– Your own drawing
– Your requirement on material and necessary dimensional data
– Ask for recommend
 

Company Profile

  ZheJiang CZPT Machinery Co., Ltd., established in the year of 2012, is a professional supplier of material handling equipment, OEM machinery parts, various forging parts and casting parts.

  Ebon’s products scope: cranes, hoists, magnets, grabs, hooks, wheels, drums, axles, lifting beams,bearing box, bearings, couplings,flanges etc. They are applied in wide range of field: Machinery, Mining, Hydro power Transportation, Construction…..

  CZPT has 5 reliable manufacturing factories to make sure stable supply and fast delivery for your business.  

  Our products are also exported to USA, Britain, Japan, South Korea, Russia, Indonesia, Thailand, India, Vietnam, Canada, Argentina, Paraguay etc more than 50 countries.

  CZPT team is loyal and committed to your success, and firmly believes that our products and services will increase the value and effectiveness of your business with following characters:
  -Professional sales team, market promotion team and logistics team with more then 10 years experience .
  -Loyal and Responsible Characters
  -Efficient Work, Fast Response
  -Responsible Quality Control Team
  -Video the manufacturing process, the testing, and packing before delivery  
1.Q: How about your delivery time?
   A: Generally, it will take 7-30 days after receiving your advance payment. The specific delivery time depends on the items, transportation ways and the quantity of your order.

2.Q: Can you produce according to the samples?
   A: Yes, we can produce by your samples or technical drawings.

3.Q: Do you test all your goods before delivery?
   A: Yes, we have 100% Ultrasonic test, Magnetic test or Liquid Penetration test before delivery

4.Q: How do you make our business long-term and good relationship?
   A: (1) We keep good quality and competitive price to ensure our customers benefit ;
        (2) We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

5.Q: I can’t see the goods or touch the goods, how can I deal with the risk involved? 
   A: Our quality management system conforms to the requirement of ISO 9001:2015 verified by DNV. We are absolutely worth your trust. We can accept trial order to enhance mutual trust.

 

Processing Object: Metal
Molding Style: Forging
Molding Technics: Pressure Casting
Application: Machinery Parts
Material: Steel
Heat Treatment: Quenching
Customization:
Available

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Customized Request

pulley

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 two 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 two 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 one 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 two or more wheels to transmit force. Compound pulleys have two or more wheels and can lift heavier objects. Dim is POLE2.
pulley

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 four 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 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 two 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 four times reduces the force required to lift one foot. Likewise, if the pulley system had four 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 three times the length of the rope, it will be more than three times the required length.

China Good quality High Precision Lifting Grabs Sheave Stainless Steel Sheave Pulley   pulley puller		China Good quality High Precision Lifting Grabs Sheave Stainless Steel Sheave Pulley   pulley puller
editor by CX

2023-04-21