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Size parameters and classification of unpowered rollers

by:YiFan Conveyor     2022-09-12

The unpowered roller is a cylindrical component that manually drives the loading conveyor belt or changes its running direction. It is one of the rollers and the main accessory of the conveying equipment. The main function of the unpowered roller is to convey the goods by manually pushing the goods.


As the name suggests, the unpowered roller needs to be driven manually. Both the unpowered roller loading conveyor and the powered rolling roller conveyor can Used together, it is an important part of conveying equipment.

1. Cylinder: generally made of round tubes. Commonly used steel pipes and plastic pipes, high precision and high strength can be made of round steel;

2. Inner shaft: generally made of round steel. Cold-drawn round steel can be used for small diameters, and lathes with large diameters and high precision can be machined;

3. End caps: generally made of carbon steel. Those with small diameter and small load can be processed by punching, and those with larger diameter or large load can be processed by lathe;

4. Bearings: choose the appropriate one according to the cylinder and end cover Standard bearings are sufficient.


Classification of unpowered rollers

Unpowered rollers can be divided into two types: unpowered inner tooth shaft type and unpowered spring press-in type .


Unpowered inner tooth shaft type


Drum diameter outer tube material Pipe Diameter Shaft Diameter Shaft Material Wall Thickness Size Calculation Method Unpowered Internal Thread Shaft Type (Yellow PP End Cover PVC
Carbon Steel Galvanized
Stainless Steel 38/50/6012 Carbon Steel/Stainless Steel 1.5/2.0/ 3.RL+10mmu003dEL/AGL unpowered inner tooth shaft type (metal end cap) PVC
carbon steel galvanized
stainless steel 38/50/6012 carbon steel/stainless steel 1.5/2.0/3.RL+ 10mmu003dEL/AGL



Unpowered spring press-in type

Drum diameter outer tube material Pipe Diameter Shaft Diameter Shaft Material Wall Thickness Size Calculation Method Unpowered Spring Press-In Type (Yellow PP End Cover) PVC
Carbon Steel Galvanized
Stainless Steel 38/50/6012 Carbon Steel/Stainless Steel 1.5/2.0/ 3.RL+10mmu003dEL
EL+30mmu003dAGL unpowered spring press-fit (metal end cap) PVC
carbon steel galvanized
stainless steel 38/50/6012 carbon steel/stainless steel 1.5/2.0 /3.RL+10mmu003dEL
EL+30mmu003dAGL



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