Conveyor Solution Series 2

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Good Evening Everyone....!!!

Today we are back with earlier blog Series 2 '' Conveyor Belt Common Problems & Solutions". We have covered 7 points so now let us move on to next.

8. Belt slips while running:- 

A. Insufficient traction between belt and drive pulley. Make sure drive pulley is free of build up. Lag Drive pulley. Increase belt wrap on drive pulley. Increase belt tension. 

B. Inadequate belt tension. Increase weight on gravity take up. Increase tension at screw take-up.

C. Pulley lagging is worn or not adequate to produce sufficient traction. Replace with new or correct pulley lagging.

D. Forzen Idlers. Replace or repair frozen idlers. Improve maintenance of Idlers.

E. Material build-up on the pulley face or conveyor structure. Clean System, improve material containment, install cleaners, check skirting, install material ploughs and scrapers.

F. One or more of the system pulleys are below the acceptable diameter. Replace pulleys with diameters acceptable to belt requirements.

9.The covers are hardening or cracking:-

A. Heat or chemical daamage to the belt. Make sure to use the correct belt carcass and compounds for the application.

B. Compound degradation due to ozone and ultraviolet light during long term storage. Store inside out of direct sunlight and weather. Utilize spare belt sooner.

C. It is a natural tendency forr rubber to get harder as it ages. This is due to the drying out of the plasticizers in the compound. As belts age and the rubber dries out , the cover wear will be accelerated. This is similar to what is commonly referred to as dry rot in tires.

10. The covers are swelling or getting softs in certain areas:- 

A. The belt is contaminated with spiled oil or grease. Improve house keeping, avoid spilling of hydrocarbon based lubricants on the belt. Don't over grease beraings. Check grease seals on bearings.

11. A certain section of the belt runs to one side regardless of the locatiion on the conveyor:-

A. Belt is cambered. Follow Legg Co. procedures for measuring camber. If camber is less than 1/2%, the belt needs to be replace.

B. If the section is at splice then the belt splice is crooked. Remove splice and rejoin belt ends insuring belt ends are square in accordance with belt/ fastner manufacturer.

12. The belt runs to one side only in a certain section or portion of the conveyor:-

A. Frozen idlers. Replace or repair frozen idlers. Improve maintenance of idlers.

B. The pulleys and or the idlers are out of square with the belt centreline. Readjust pulleys and or idlers.

C. Build up of material on idler rollers. Clean and maintenance. Install scrapers, brushes, and other other cleaning devices.

D. Make sure the conveyor structures is level from side to side. Level structure.


To Be Continued.....

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