Product Description

Conveyor Belt Steel Head/Bend/Take up/Snub/Rubber Lagging Drum Pulley

1.Driving pulley is the main part for transmiting the power,as per the diferent carying capacities,the drivingpulley can be divided into 3 categones:Light duty,meium duty and heavy duty,and for the same diameter ofthe pulley,there are many different axle diameters and central spans.
The surface teatrment of the drving puley can be smooth steel,hering bone or rhombic rubber lagging,thesmooth steel pulley is available for the place which environment is small power,smal belt width and dry,theherring bone rubber lagging has a big friction facto,beter anti-slippery and drainage ability,but it has its owndirection,the rhombic rubber lagging is available for twoway operating conveyors,the vuicanized rubber laggedpulley are mesty used for important applicatons.
2.The tail pulley is used for changing the direction of the belt running or increasing the wrap angle between theconveyor belt and the driving pulley As per different carrying capacities,the bend pulley can be divided into 3 calegories:light duty,medium duty and heaw cluty.The pulley which is used for extending the contact surface,is usualy used for belowor equal to 45 degree bending.The sutace treatment of the bend puley can be smooth stel and fat rubber lagging.

Type Belt width(mm) Standard Diameter(mm) Length(mm)
Drive pulley 500 500 Length of the pulley depends on the belt width of the conveyor
650 500~630
800 630~1000
1000 800~1150
1200 800~1150
1400 1000~1350
1600 1150~1600
1800 1150~1800
2000 1350~2000
2200 1600~2200
2400 1800~2400
Bend pulley 500 250~500
650 250~630
800 250~1000
1000 250~1600
1200 250~1600
1400 315~1600
1600 400~1600
1800 400~1600
2000 500~1600
2200 630~1600
2400 800~1600

 Advantages:

1. Dust-proof & Water-proof
The contact-sealing is adopted, which enjoys more superior dustproof and waterproof
2. Low Vibration and Noise
Static balance test to ensure G40 accuracy level.
3. Strong Force of Friction
The material for shaft is forged shaft of 40Cr instead of #45 round steel,which improves mechanical property
4. Easy Installation & Simple Maintenance
The bearing block and taper-lock are ground, which ensure the installation precision
5. Min 50000 hours service life

 

1.Raw material control:
Suppliers are on continuous supervision and guidance,subcontracted parts should be 100%tested before implementation.
2.The inner product:
Strict implementation of processing route.Improving process guidance,refining on innerproduct.
3. Assermbly and completion of inspection:
In strict accordance with the assembling work instruction,strict inspection process for accuracyand performance of production.
4.Product acceptance:
Strict compliance with the acceptance criteria,a comprehensive review of the product to ensureproduct qualified.

1.)Pipe: seamless steel : it was precisely cut by using the flame cutting machine.

2.)The sleeve & disc :it was cut by using the laser cutter machine precisely.

 

3.)Shaft: We chose 45# round steel & sleeve and process the whole shaft so that it ensures shaft concentricity and reduction for the eccentric shaft force. It make sure the pulley move more stable

4.)Bearing set & bearing: high-quality bearing which is hot charging and bearing block are equipped inner bearing enlargement device, so the bearing can be easily pushed to the bearing position  and it avoids the bearing damage from the beating.

Testing for the pulley

We have the professional testing machine for the pulley.    We need make the eliminating inner stress treatments when the pulley’s withstand forces exceed 80KN and we will make the static  balance inspection when the belt speed exceeds 2.5m/s.  
And we laso make the Drum dynamic balance test for the pulley to confirm the good quality before sent to the customer.

Packing:
After all the goods tested then make the packing, then the goods put into the warehouse to wait to send to the customer
Our projects:
Exhitbition and the customer visiting~
We also attend many kinds of related exhibitations to know more our products for the customer. Such as Canton fair, buma fair andother minging fairs.
Our company and products get the customer approve and many customer vist us and make the orders for us.

Company certificate &honor
We have the ISO 9001 certification The products have gained various patents. For example: Trademarks, patents,ects.

After sale service
We provide the customer best after sale services, and we solve the problems any time.
 

1)Installation guide;

2)Provide drawings and instructions;

3)On-site guidance of dispatched engineers;

4)Product after sales:

The machine has a long warranty of 2 years ;

Roller warranty 50,000 hours.

The company introduction:
 HangZhou CZPT conveying Machinery Co.,Ltd was founded in 2005.      
It’s registered capital is 11.68million CNY and It is private joint-stock enterprise. Our main products are cnoveyor roller,idler,frame, pulley,belt and belt conveyor system for TD75 ,DTII,DTIIA,CEMA ects.
we has large lathes, numerical control, double pressing machine, double welding machine, double boring lathe, milling machine, sawing machine and so on. The products have gained various patents. We can produce more than 1 thousand rollers and 10 pulleys per day.
We have the professionalQC dept. to keep the good quality before the goods sent out. The products are sold to Middle East,Africa ,Australia,Europe,Southeast Asia,Russia and some other countries and regions. We will Strengthen the inner management and improve our products’ quality constantly.We will offer the best products for customers from the beginning to the end.


FAQ

1.Q: Your bearing type and brand usually use? 
 A:Large ball bearing type deep ball bearing withSRB, and according to customer’s requirements. 

2.Q: How is your Payment Term? 
A: T/T or L/C. Another payment term we can also discuss. 

3.Q: Can you customize it? 
A: We support customization according to your request. 

4.Q: What’s the MOQ? 
A: 3 piece. 

5.Q: What’s the production capacity of your conveyor pulley? 
20 pcs/day.

6.Q: What’s your roller’s lifetime?
Our pulley have a long lifetime with good performance and usually
make sure 30000 to 50000 hours under the normal site and operation.

Contact us: 
Contact person: Sunny Li
 

 

Calculate the ideal mechanical advantage of pulleys

The basic equations for pulleys can be found in this article. It will also cover the different types of pulleys, the ideal mechanical advantages of pulleys, and some common uses of pulley systems. Read on to learn more! After all, a pulley is a simple mechanical device that changes the direction of a force. Learn more about pulleys and their common uses in engineering.
pulley

pulley basic equation

Pulleys work the same way as gravity, so they should withstand similar forces. Newton’s laws of motion can be used to calculate the forces in a pulley system. The second law of motion applies to forces and accelerations. Similar to this is Newton’s third law, which states that the directions of forces are equal and opposite. The fourth law dictates the direction of force. The Fifth Law states that tension is in equilibrium with gravity.
A pulley is a simple mechanism that transmits force by changing direction. They are generally considered to have negligible mass and friction, but this is only an approximation. Pulleys have different uses, from sailboats to farms and large construction cranes. In fact, they are the most versatile mechanisms in any system. Some of their most common applications and equations are listed below.
For example, consider 2 masses m. Those of mass m will be connected by pulleys. The static friction coefficient of the left stop is ms1, and the static friction coefficient of the right stop is ms2. A no-slip equation will contain multiple inequalities. If the 2 blocks are considered to be connected by a pulley, the coefficient of kinetic friction is mk. In other words, the weight of each block carries the same mass, but in the opposite direction.

Types of pulleys

A pulley is a device used to pull and push objects. Pulley systems are ropes, cables, belts or chains. The “drive pulley” is attached to the shaft and moves the driven pulley. They are available in a variety of sizes, and the larger they are, the higher the speed of power transmission. Alternatively, use small pulleys for smaller applications.
Two-wheel pulleys have 2 mechanical advantages. The greater the mechanical advantage, the less force is required to move the object. More wheels lift more weight, but smaller pulleys require less force. In a two-wheel pulley system, the rope is wound around 2 axles and a fixed surface. As you pull on the rope, the shafts above slowly come together.
Compound pulleys have 2 or more rope segments that are pulled up on the load. The mechanical advantage of compound pulleys depends on the number of rope segments and how they are arranged. This type of pulley can increase the force by changing the direction of the rope segment. There are 2 main types of pulleys. Composite pulleys are most commonly used in construction. The ideal mechanical advantage of pulleys is 2 or more.
Construction pulleys are a basic type. They are usually attached to wheel rails and can be lifted to great heights. Combinations of axes are also common. Construction pulleys can be raised to great heights to access materials or equipment. When used in construction, these pulleys are usually made of heavy materials such as wood or metal. They are secured with ropes or chains.

The ideal mechanical advantage of pulleys

The pulley system is a highly complex system with high mechanical advantages. Use a single pulley system to reduce the force required to lift an object by cutting it in half. The mechanical advantage increases as you add more pulleys, such as 6 or seven. To calculate the mechanical advantage of a pulley system, you need to count the number of rope segments between the pulleys. If the free end of the rope is facing down, don’t count it. If it’s facing up, count. Once you have your number, add it up.
The required mechanical advantage of a pulley is the number of rope segments it has to pull the load. The more rope segments, the lower the force. Therefore, the more rope segments the pulley has, the lower the force. If the rope segments are four, then the ideal mechanical advantage is four. In this case, the composite pulley quadrupled the load force.
The ideal mechanical advantage of a pulley system is the sum of the mechanical force and the force required to lift the load at its output. Typically, a single pulley system uses 2 ropes, and the mechanical force required to lift the load is multiplied by the 2 ropes. For a multi-pulley system, the number of ropes will vary, but the total energy requirement will remain the same. The friction between the rope and pulley increases the force and energy required to lift the load, so the mechanical advantage diminishes over time.
pulley

Common uses of pulley systems

A pulley system is a simple mechanical device typically used to lift heavy objects. It consists of a rotating wheel attached to a fixed shaft and a rope attached to it. When the wheel moves, the force applied by the operator is multiplied by the speed of the pulley, and the force is multiplied by the weight of the object being lifted. Common uses for pulley systems include pulling, lifting, and moving heavy objects.
The oil and petroleum industries use pulley systems in a variety of applications. Most commonly, pulleys are used in drilling operations and they are installed on top of the rig to guide the cable. The cable itself is attached to 2 pulleys suspended in the derrick, where they provide mechanical energy to the cable. Using a pulley system in this application provides the force needed to move the cable safely and smoothly.
The main advantage of the pulley system is that it minimizes the force required to lift an object. The force used to lift the object is multiplied by the desired mechanical advantage. The more rope segments, the lower the force required. On the other hand, a compound pulley system can have many segments. Therefore, a compound pulley system can increase the force a worker can exert on an object.
Safety Precautions to Take When Working on Pulley Systems

There are many safety precautions that should be observed when working on a pulley system. The first is to wear proper protective gear. This includes hard hats that protect you from falling objects. Also, gloves may be required. You should limit the amount of movement in the penalty area, and you should also keep the area free of unnecessary people and objects. Also, remember to wear a hard hat when working on the pulley system.
Another important safety precaution when working on a pulley system is to check the Safe Working Load (SWL) of the pulley before attaching anything. This will help you understand the maximum weight the pulley can hold. Also, consider the angle and height of the pulley system. Always use safety anchors and always remember to wear a hat when working on a pulley system.
Safe use of chain hoists requires training and experience. It is important to read the manufacturer’s manual and follow all safety precautions. If you’re not sure, you can actually inspect the hoist and look for signs of damage or tampering. Look for certifications for sprocket sets and other lifting accessories. Look for the Safe Working Load (SWL) marking on the chain hoist.
pulley

Example of a pulley system

Pulley systems are often used to lift items. It allows you to reduce the effort to lift and move the load by applying force in 1 direction. Pulley systems can be built and modeled to fit any type of project. This resource focuses on pulley systems and is designed to support the new GCSEs in Engineering, Design and Technology. There are also many examples of pulley systems suitable for various applications.
In the study, participants who read easy text took longer to manipulate the pulley system than those who read challenging text. In general, this suggests that participants with prior scientific experience used their cognitive abilities more effectively. Additionally, students who read simple texts spent less time planning the pulley system and more time on other tasks. However, the study did show that the time required to plan the pulley system was similar between the 2 groups.
In everyday life, pulley systems are used to lift various objects. Flagpoles are 1 of many pulley systems used to raise and lower flagpoles. They can also be used to raise and lower garage doors. Likewise, rock climbers use pulleys to help them ascend and descend. The pulley system can also be used to extend the ladder.

China Good quality Conveyor Belt Head/Bend/Take up/Snub/Rubber Lagging Drum Pulley   with Good qualityChina Good quality Conveyor Belt Head/Bend/Take up/Snub/Rubber Lagging Drum Pulley   with Good quality

Conveyor Pulley

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