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

Mechanical advantages of pulleys

A pulley is a mechanical device used to transmit motion. The device has a variety of uses, including lifting heavy objects. In this article, we will discuss the mechanical advantages, types, common uses and safety considerations of pulleys. We’ll also discuss how to identify pulleys and their components, and what to look out for when using pulleys. Read on to learn more about pulleys.

Mechanical advantages of pulleys

The mechanical advantage of pulleys is that they change the direction of force from 1 direction to another. In this way, the person lifting the heavy object can change its position with minimal effort. The pulleys are also easy to install and require no lubrication after installation. They are also relatively cheap. Combinations of pulleys and cables can be used to change the direction of the load.
The mechanical advantage of a pulley system increases with the number of ropes used in the system. The more cycles a system has, the more efficient it is. If the system had only 1 rope, the force required to pull the weight would be equal. By adding a second rope, the effort required to pull the weight is reduced. This increase in efficiency is known as the mechanical advantage of the pulley.
Pulleys have many uses. For example, ziplines are 1 application. This is a good example of pulleys in use today. Pulley systems can be complex and require a lot of space. Using ziplines as an example, advanced students can calculate the mechanical advantage of multiple pulleys by dividing the work done by each pulley by the remainder or fraction. Regents at the University of Colorado created a zipline with K-12 input.
Another use for pulleys is weight lifting. This technique is very effective when using multiple strands of rope. A single rope going from 1 pulley to the other with just 2 hands is not enough to lift heavy objects. Using a pulley system will greatly increase the force you receive. This power is multiplied over a larger area. So your lifting force will be much greater than the force exerted by a single rope.
The pulley is a great invention with many uses. For example, when lifting heavy objects, pulleys are a great way to get the job done, and it’s easier to do than 1 person. The pulley is fixed on a hinge and rotates on a shaft or shaft. Then pull the rope down to lift the object. A pulley assembly will make the task easier. In addition, it will also allow power to be transferred from 1 rotary shaft to another.

Types of pulleys

If you are an engineer, you must have come across different types of pulleys. Some pulleys come in multiple types, but a typical pulley has only 1 type. These types of pulleys are used in various industrial processes. Here are some common types of pulleys that engineers encounter on the job. In addition to the above, there are many more. If you haven’t seen them in practice, you can check out a list of the different types below.
Fixed pulleys: Fixed pulleys have a roller attached to a fixed point. The force required to pull the load through the fixed pulley is the same as the force required to lift the object. Movable pulleys allow you to change the direction of the force, for example, by moving it laterally. Likewise, movable pulleys can be used to move heavy objects up and down. Commonly used in multi-purpose elevators, cranes and weight lifters.
Composite pulleys combine fixed and movable pulleys. This combination adds to the mechanical advantage of both systems. It can also change the direction of the force, making it easier to handle large loads. This article discusses the different types of pulleys used for lifting and moving. Braided pulleys are an example of these pulleys. They combine the advantages of both types.
A simple pulley consists of 1 or more wheels, which allow it to reverse the direction of the force used to lift the load. On the other hand, dual-wheel pulleys can help lift twice the weight. By combining multiple materials into 1 pulley, a higher ME will be required. Regardless of the type of pulley, understanding the principles behind it is critical.
Pulleys are an important part of construction and mechanical engineering, and their use dates back to Archimedes. They are a common feature of oil derricks and escalators. The main use of pulleys is to move heavy objects such as boats. In addition to this, they are used in other applications such as extending ladders and lifting heavy objects. The pulley also controls the aircraft rudder, which is important in many different applications.

Commonly used

Common uses for pulleys are varied. Pulley systems are found throughout most areas of the house, from adjustable clotheslines to motor pulleys in different machines. Commercially, 1 of the most common uses is for cranes. Cranes are equipped with pulleys to lift heavy objects. It is also common to use pulley systems in tall buildings, which allow tall buildings to move with relative ease.
Pulleys are commonly used in interception and zipline systems, where a continuous rope around the pulley transmits force. Depending on the application, the rope is either light or strong. Pulleys are formed by wrapping a rope around a set of wheels. The rope pulls the object in the direction of the applied force. Some elevators use this system. Pull a cable on 1 end and attach a counterweight on the other end.
Another common use for pulleys is to move heavy objects. Pulleys mounted on walls, ceilings or other objects can lift heavy objects like heavy toolboxes or 2×4 planks. The device can also be used to transfer power from 1 rotating shaft to another. When used to lift heavy objects, pulleys can be used to help you achieve your goals of a good workout.
Pulley systems have a variety of uses, from the most basic to the most advanced. Its popularity is indisputable and it is used in different industries. A good example is timing belts. These pulleys transmit power to other components in the same direction. They can also be static or dynamic depending on the needs of the machine. In most cases, the pulley system is custom made for the job.
Pulley systems can be simple or complex, but all 3 systems transfer energy efficiently. In most cases, the mechanical advantage of a single pulley is 1 and the mechanical advantage of a single active pulley is 2. On the other hand, a single live pulley only doubles the force. This means you can trade effort for distance. Pulleys are the perfect solution for many common applications.

Safety Notice

If you use pulleys, you need to take some safety precautions. First, make sure you’re wearing the correct protective gear. A hard hat is a must to avoid being hit by falling objects. You may also want to wear gloves for added protection. You should also maintain a good distance from the pulley so that nearby people can walk around it safely.
Another important safety measure to take before using a chain hoist is to barricade the area to be lifted. Use marker lines to prevent the load from sliding when moving horizontally. Finally, use only the sprocket set for vertical lift. Always install shackle pins before lifting. You should also wear personal protective equipment such as earplugs and safety glasses when using the chain hoist.
In addition to these safety measures, you should also use cables made from aerospace-grade nylon. They will last many cycles and are made of high quality materials. Also, make sure the cables are lubricated. These measures reduce friction and corrosion. No matter what industry you are in, be sure to follow these precautions to ensure a long service life for your cables. Consult the cable manufacturer if you are unsure of the appropriate material. A company with 60 years of experience in the cable industry can recommend the right material for your system.