Product Description
High Precision Customized Coal Mining Belt Conveyor Roller/pulley for mining
Conveyor rollers(idlers) are important parts on Belt Conveyor, it endure over 70% resistance of 1 belt conveyor. The conveyor roller(idler) used for supporting conveyor belt and the material. There are kinds roller we supplied, like steel, nylon, ceramic or rubber. With years designing and manufacturing experience CZPT becomes a high quality roller(idler) server in conveyor spares industry.
It is common transportation equipment used in coal mines to connect downhole operations and on-ground production systems. In the course of use, it has many advantages, such as strong Transportation capacity, low power consumption, low work resistance, long service life, etc. Conveyor systems are quick and efficient transportation for a wide Variety of materials, which make them very popular in the material handling and packaging industries.
1.Conveyor range
Our conveyor roller can widely applied for mining, coal, metallurgy, electric power, sea port, grain, chemical and almost any industry which have conveying system. And we can produce any kinds roller, such as iron roller, impact roller, rubber lagging roller, and disc roller.
What more, we have technical design team to design the new type products and best after-sale services.
| Name: | Conveyor rollers/idlers |
| Material: | Normal material is iron, we can also do stanless steel, UHMWPE and so on |
| Size | length and diameter can be customized |
| Bearing | as customer requests |
| roller type | carrier rollers, heavy duty roller, return roller,UHMWPE roller, centering roller, spiral roller and so on |
| Pipe thickness | can be customized, 2.5mm, 2.75mm, 3mm, 3.25mm, 3.5mm, 3.75mm and so on |
| color | produce base on your request |
specifcaitons:
| Technology Specification | |||||||||||||||
| D | d |
Bearing Model |
L | b | h | f |
Weight (kg) |
D | d |
Bearing Model |
L | b | h | f |
Weight (kg) |
| 89 | 20 | 4G204 | 200 | 14 | 6 | 14 | 2.79 | 133 | 25 | 4G205 | 380 | 18 | 8 | 17 | 7.84 |
| 250 | 2.98 | 465 | 9.24 | ||||||||||||
| 315 | 3.58 | 600 | 11.48 | ||||||||||||
| 465 | 5.24 | 700 | 13.44 | ||||||||||||
| 600 | 6.48 | 1150 | 20.6 | ||||||||||||
| 750 | 7.87 | 1400 | 24.61 | ||||||||||||
| 950 | 9.72 | 4G305 | 380 | 8.21 | |||||||||||
| 25 | 4G205 | 8 | 18 | 17 | 11.21 | 465 | 9.62 | ||||||||
| 108 | 20 | 4G204 | 315 | 14 | 6 | 14 | 4.46 | 530 | 10.7 | ||||||
| 465 | 6.07 | 600 | 11.86 | ||||||||||||
| 950 | 11.27 | 700 | 13.51 | ||||||||||||
| 25 | 4G205 | 315 | 18 | 8 | 17 | 5.07 | 800 | 15.17 | |||||||
| 380 | 5.86 | 1150 | 20.97 | ||||||||||||
| 465 | 6.89 | 1400 | 24.99 | ||||||||||||
| 600 | 8.53 | 1600 | 28.44 | ||||||||||||
| 700 | 9.74 | 30 | 4G306 | 465 | 11.34 | ||||||||||
| 950 | 12.77 | 530 | 12.54 | ||||||||||||
| 1150 | 13.99 | 800 | 17.48 | ||||||||||||
| 1400 | 15.62 | 1400 | 26.75 | ||||||||||||
| 4G305 | 380 | 6.23 | 1600 | 31.38 | |||||||||||
| 465 | 7.26 | 159 | 25 | 4G205 | 465 | 11.58 | |||||||||
| 530 | 8.05 | 700 | 16.52 | ||||||||||||
| 600 | 8.9 | 1400 | 31.09 | ||||||||||||
| 700 | 10.11 | 4G305 | 465 | 12.02 | |||||||||||
| 800 | 11.32 | 530 | 13.84 | ||||||||||||
| 950 | 13.14 | 700 | 16.95 | ||||||||||||
| 1150 | 15.57 | 800 | 19.06 | ||||||||||||
| 1400 | 18.47 | 1400 | 31.52 | ||||||||||||
| 1600 | 21.02 | 1600 | 35.85 | ||||||||||||
| 30 | 4G306 | 465 | 22 | 8.57 | 30 | 4G306 | 465 | 22 | 13.76 | ||||||
| 530 | 9.47 | 530 | 15.23 | ||||||||||||
| 800 | 13.2 | 800 | 21.36 | ||||||||||||
| 1400 | 21.49 | 1400 | 34.98 | ||||||||||||
| 1600 | 24.26 | 1600 | 39.51 | ||||||||||||
2.Brife introduction for CZPT Conveyor roller
1.Material: Steel,rubber
2.Bearing:6204,6205,6305,6306,6307,6308,6309,6310
3.Daimeter: Ø50-Ø219
4.Lenght:120mm-2200mm
5.Seal: double labyrinth seal
5.Workign life:30000-50000hours
6.Standards:GB,CEMA,JIS,DIN,AUSTRALIA
7.Color: mulit-color for choice
3.Advantages
The pipe we choose is the high quality welding pipe,the roundness is The shaft we choose is high-precsion rond cold steel,the roundness is
lower 0.6mm,the straightnesss is 0.15%, the wall thickness tolerance 0.8, and the tolerance is only ±0.0065mm, make sure the bearing and
is ±0.1mm, the thickness from 2.5~6.0mm, diaeter is from 50~219mm. shaft match closely, the bearing move safely.
0.8,±0.1mm, the thickness from 2.5~6.0mm, diaeter is from 50~219mm.
The pipe is rust removal to increase paint adhesion.
Bearing housing is punched by the superipr steel sheet(SPHC), This bearing is the joint ventures, it is the roller special double
After that, we will use the housing circle machine to cut the outside seal, the bearing inner race have V-groove, grease is also the
of the housing, to make sure the high Concentricity of the roller and imported grease (Inject the grease into the both sides of the ball
the small runout. bearing).
This seal is the national standard double labyrinth seal, 4 pieces We can print the brand for the customer requests, but need the
pom and 3 pieces stell seal.Injected the high quality No.2 lithium customer give us the authorization.
grease. it is water proof and dustproof,anti-corrosion,wear-resisting,ect…
4.Technical quality team
4.Packing & Shipping
we can provide different kinds of packing for the customer.
Wooden box and wooden pallet packing for your choice.
5.Certificate
6.Customer visiting and the exhibitions
6.After sale service
We provide the customer best after sale services, and we solve the problems any time.
7.Company introduction
1.)HangZhou CZPT conveying Machinery Co.,Ltd was founded in 2005.
2.)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.
3.)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.
4.)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.
8.FAQ
Q: What information do we need to provide to you in order to confirm our conveyor carrying rollers order?
A: We work with technical drawings for any non-standard products. If the order is for standard parts, you only have to provide us with the part number so we may define the parts of the order.
Q: Do you have the products in stock?
A: No. All rollers are produced according to your order.
Q: Can you produce the hose with my own brand?
A: Yes, we have been offering OEM services to famous manufacturer for several years. Please send email to talk about details.
Q: How does your factory do regarding to quality control?
A: Quality is priority. ZheJiang Juming always attach great importance to quality control from beginning to the end of the production. Every batch rollers will be carefully inspected before it’s packed for shipment.
Q: Can I order a sample?
A: Of course. We can offer regular model roller sample for free, but the freight cost shall be borne by your side. If you want customized model sample, we’d like you to bear the charge for sample and freight.
Q: What’s benefit will you bring?
A: Your client satisfied on the quality.
Your client continued orders.
Your can get good reputation from your market and obtain more orders.
If you do not see the question you are having, please email us for further assistance.
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 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.
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.
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.
