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CASE STUDIES
Adhesive Mounting of Transmitter
Agitator Repair
Airport Runway Repair
Anti-skid Loading Dock / Floor
Auger Repair
Bag House Tube Sheet Repair
Ball Mill Infeed Shell / Head Repair
Bearing Race Repair
Bearing Race Repair
Chute Lining Repair
Coal Crusher Repair
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Coal Pulverizer Repair
Concrete Pump Pad Repair
Concrete Repair
Cone Valve Repair
Conveyor Belt / Pulley Lagging Repair
Conveyor Belt Repair
Conveyor Belt Repair
Coupling Bolt Repair
Devcon® R-Flex® Belt Repair
Devcon® R-Flex® Repair of 5ft Long Belt Tear
Expansion Joint Repair
Expansion Joint Repair
Exterior Pipe Repair
Fan Housing Repair
Feed Bowl Repair
Filter Plate Repair
Floatation Cell Repair
Floatation Cell Repair
Floor Coating
Floor Coating
Floor Coating
Floor Coating
Floor Coating
Floor Coating
Floor Repair
Floor Repair
Floor Repair
Floor Repair
Floor Repair Acid Environment
Hydraulic Hose Repair
Hydraulic Hose Repair
Paddle Wheel Shaft / Hub Repair
Paper Machine Component Repair
Power Pole Repair
Pump Impeller Repair
Pump Repair
Pump Repair
Pump Repair
Pump Repair
Rebuilding Motor Pad
Rebuilding Pump Pads
Rebuilding Wood Block Flooring
Rubber Roll Repair
Stainless Steel Turbine Runner Repair
Stamping Press Alignment Repair
Steel Conveyor Roll Repair
Transformer Oil Leak Repair
Transformer Oil Leak Repair
Transformer Oil Leak Repair
Urethane Wear Ring Repair
Valve Repair
Valve Repair
Water Box Channel Repair
Water Box Channel Repair
Devcon® R-Flex® Belt Repair
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Application Date: 
 
08/2014
Customer:
 
A large rock quarry in Massachusetts
Industry:
 
Aggregate
Associated Products:
R-Flex® Belt Repair Kit

 
Problem:
A large rock quarry has vulcanized their longest belt that mines rock minus 6”. The vulcanized splice has torn at the bottom flap and has been catching on the wiper system causing the SBR belt to tear even further. This belt run 6 days a week, 11 hours a day moving sized rock to their main feed pile. When the top skin of the SBR belt begins to peel back further, down to the piles, it substantially weakens the belt. Every rotation through the wiper system cause the SBR flap to tear longer. The maintenance crew has not tried any other repairs on the belt since the vulcanized splice. Their option would be to re-splice the belt again which would be a 24hr downtime and cost more than the Devcon® R-Flex® for $454.
 
Solution:
We recommended using Devcon® R-Flex® to repair the large tear near the vulcanized splice. We cut away the SBR belt flap back to ensure good adhesion to pile. Then we abraded with a wire brush, 2-4 inches around the area where we cut the belt and inside on the pile to remove any contaminants from the surface. We applied Devcon Surface Conditioner to all the areas: around the top edge of the torn area (2-4 inches) and inside the recessed area on the piles. The piles will soak up the surface conditioner so we had to be certain we applied everywhere. We poured the Devcon® R-Flex® onto the belt and allowed it to fill the recess (about 1/4”) and then poured some onto the overlap 2-4 inches to ensure adhesion to the SBR belt. We then smoothed out the leading edge so it wouldn’t get caught on the wiper system. After 8 months the belt is still up and running. Customer is very happy.
 



Conveyor Belt Tear

Conveyor Belt Repair using R-Flex