The real reasons for the cracking of rubber soft joint spheres:

The real reasons for the cracking of rubber soft joint spheres:
 
In the production process of rubber soft joints, the strength of the belt joint is lower than that of the ordinary belt body. When we make a mechanical connection, the strength of the rubber soft joint can only reach 40% to 50% of the strength of the belt body. When the cold rubber method is of good quality, the strength of the joint can reach 60% to 50%. 70%, while the strength of the hot rubber soft joint can reach 80% to 90%. It is necessary to ensure that the joint method is correct and free from quality defects. Because the strength of rubber soft joints is relatively low, if the bonding method is incorrect, the strength of rubber soft joints will be even lower, such as cutting, damaging the next layer of cloth when grinding, excessive grinding, insufficient lap length, insufficient number of steps, poor performance of rubber used in rubber soft joints or their own vulcanization failure, excessive grinding of steel wire rope, rusting of steel wire rope, etc., will make the strength of rubber soft joints greatly reduced and the joints will be easy to The joint will be easy to break off during use. The reason for the cracking of rubber soft joint is that the conveyor belt does not use sealant or the rubber joint is in the wrong direction, and it is normal for the joint to crack.
The strength of the joint can reach 60% to 70% when the quality of the cold rubber method is good, while the strength of the hot rubber joint can reach 80% to 90%. The jointing method is correct and there are no quality defects.