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Glam Journal

How many types of idler are there?

Author

Matthew Shields

Updated on March 14, 2026

How many types of idler are there?

It has been stated above that there are basically two types of idlers namely, carrying and return idlers.

What is an idler on a conveyor?

Idlers are cylindrical rods that extend under and along the conveyor belt. It is the most important component/assembly of the trough belt conveyor. The idler is usually located in the trough-shaped metal support frame under the support side to support the conveyor belt and materials.

What does the company superior do?

Superior is one of the world’s leading aluminum wheel suppliers. Our global teams collaborate and partner with customers to design, engineer and manufacture a wide variety of innovative and high-quality products utilizing the latest lightweighting and finishing technologies.

What is a troughing idler?

A troughing idler is comprised of a central idler roll, which has a fixed width, and two or more wing idlers located on each side of the central idler roll. The wing idlers can be adjusted up or down to change the toughing angle, which affects the depth of the trough created by the conveyor belt as it moves.

What is angle of surcharge?

The Angle of Surcharge (As) is the angle the material makes with the horizontal when the material is bumped or moving, such as on a moving conveyor belt . It is often the maximum incline of the conveyor . The Angle of Surcharge is normally 5° to 15° less than the Angle of Repose .

What is head pulley?

Head pulleys The head pulley is located at the discharge point of the conveyor. It usually drives the conveyor and often has a larger diameter than other pulleys. For better traction, the head pulley is usually lagged (with either rubber or ceramic lagging material).

How does an idler work?

An idler gear is a gear wheel that is inserted between two or more other gear wheels. Firstly, the idler gear will change the direction of rotation of the output shaft. Secondly, an idler gear can assist to reduce the size of the input/output gears whilst maintaining the spacing of the shafts.

What is the function of idler pulley?

The idler pulley is a common part that’s found on the majority of the vehicles on the road. Its primary function is to provide tension and guide the engine drive belt. These belts wrap around the various parts of the engine such as the power steering pump, alternator, water pump etc…

What does Superior Industries make?

From Rock Face to Load Out®, Superior Industries designs and manufactures crushing, screening, washing and conveying solutions to support the world’s dry bulk producers.

How many employees does Superior Industries have?

1,600
Superior Industries

Key peopleBob Domnick (CEO) Jarrod Felton (SVP) Jason Adams (SVP)
ProductsCrushing Equipment Screening Equipment Washing Equipment Conveying Equipment
Number of employees1,600
SubsidiariesWestmor Industries
Websitesuperior-Ind.com

What is a snub pulley?

Definition of snub pulley : a pulley placed to support an empty conveyor belt in its return.

What is return roller?

The Martin® Return Roller is a pivoting track-mounted return idler that allows for safe, quick and simple one-sided serviceability and roll replacement. The track-mounted design reduces the risk of injury and allows quick replacement of the roll.