Product Description

Company  Profile

Established in 2009, HangZhou CZPT Trading Co., Ltd is a professional supplier for conveyor parts, located in ZHangZhoug province. We focus on supplying a variety of conveyor parts, including conveyor tubes, conveyor frames, conveyor rollers, bearing housings and so forth.

With our professional technology R&D team, and experienced quality control department, our products have been awarded the ISO9001 Quality Management System Standard and our main markets are in America, Europe, Asia and Australia.

Factory advantage	Professional and experienced technology team
	All products inspected before shipping with reasonable prices
	Low MOQ and free sample
	We are audited by SGS and passed the ISO9001:2008 certification
Industries service	Industrial machine
	Electronic and communication
	Oil, gas,mining and petroleum
	Construction industry
Equipment	CNC Machining Center, CNC Lathes, CNC Milling Machines, Punching and drilling machines,  Stamping machines
Precision Processing	CNC machining, CNC turning and milling, laser cutting, drilling, grinding, bending, stamping, welding

 

 

Roller size

No.	Standard Diameter		Length Range (mm)	Bearing Type Min-Max	Shell Thickness of Roller
	mm	Inch
1	63.5	2 1/2	150-3500	203 204	3.0mm-4.0mm
2	76	3	150-3500	204	3.0mm-4.5mm
3	89	3 1/3	150-3500	204 205	3.0mm-4.5mm
4	102	4	150-3500		3.2mm-4.5mm
5	108	4 1/4	150-3500	306	3.5mm-4.5mm
6	114	4 1/2	150-3500	306	3.5mm-4.5mm
7	127	5	150-3500	306	3.5mm-5.0mm
8	133	5 1/4	150-3500	305 306	3.5mm-5.0mm
9	140	5 1/2	150-3500	306 307	3.5mm-5.0mm
10	152	6	150-3500		4.0mm-5.0mm
11	159	6 1/4	150-3500		4.0mm-5.0mm
12	165	6 1/2	150-3500	307 308	4.5mm-6.0mm
13	177.8	7	150-3500	309	4.5mm-6.0mm
14	190.7	7 1/2	150-3500	309 310	4.5mm-7.0mm
15	194	7 5/8	150-3500	309 310	4.5mm-8.0mm
16	219	8 5/8	150-3500		4.5mm-8.0mm

Advantage:
1.The life time: More than 50000 hours
2. TIR (Total Indicator Runout)
0.5mm (0.0197″) for Roll Length 0-600mm
0.8mm (0.571″) for Roll Length 601-1350mm
1.0mm (0. 0571 “) for Roll Length over 1350mm
3.Shaft Float≤0.8mm
4..Samples for testing are available.
5. Lower resistance
6. Small maintain work
7. High load capability
8. Dust proof & water proof

 

CONVRYOR ROLLER SHAFTS

We can produce roller shafts and We do customeized

Product Size:φ10mm – 70mm

Max Length: 3000mm

Surface Tolerance: g6

Surface Roughness:0.8mm

 

Specification	ASTM A108   AS1443
Steel Grade	Q235B,C1571,C1045(we can also do other steel grade per your requirments)
Size	Φ18mm-φ62mm
Diameter Tolerance	ISO286-2,H7/H8
Straightness	2000:1

O.D	63.5-219.1mm
W .T	0.45-20mm
Length	6–12m
Standard	SANS 657/3,ASTM 513,AS 1163,BS6323,EN10305
Material	Q235B, S355,S230,C350,E235 etc.
Technique	Welded,Seamless
Surface	oiled ,galvanized or painted with all kinds of colors according to client’s request.
Ends	1.Plain ends,
	2.Threading at both side with plastice caps
	3.Threading at both side with socket/coupling.
	4.Beveled ends, and so on
Packing	1.Water-proof plastic cloth,
	2.Woven bags,
	3.PVC package,
	4.Steel strips in bundles
	5.As your requirment
Usage	1.For low pressure liquid delivery such as water,gas and oil.
	2.For construction
	3.Mechanical equipment
	4.For Furniture
Payment&Trade Terms	1.Payment : T/T,L/C, D/P, Western union
	2.Trade Terms:FOB/CFR/CIF
	3.Minimum quantity of order : 10 MT (10,000KGS)
Delivery Time	1.Usually,within10-20days after receiving your down payment.
	2.According to the order quantity

 

Conveyor Roller Tube

Conveyor Roller Tube	Specification	SANS657/3,ASTM513,AS1163,BS6323,EN10305 or equivalent international standard.
	Steel grade	S355/S230,C350,E235,Q235B
	Sizes	63.5mm-219.1mm ect
	Ovality tolerance of body	≤0.4mm(60.3mm-152.4mm)
		≤0.5mm(159MM-168.3mm)
		≤0.6mm(178mm-219mm)
	Straightness	2000:1

 

 

 

if you are interesting in our products or want any further information, please feel free to contact us!

I am looking forward to your reply.

Best regards
Ruth
Website: hengchuanwin . 
HangZhou CZPT TRADING CO., LTD 
1801 CZPT Building, No.268 Xierhuan Road, HangZhou City, ZHangZhoug Province, China

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.