1. The method of joint
Conveyor belt joint methods are: mechanical joints, cold bonding joints, hot vulcanization joints and other commonly used methods. Mechanical joints generally refer to the use of belt buckle joints. This joint method is convenient, quick and economical, but the efficiency of the joint is low and it is easy to damage, which has a certain impact on the service life of the conveyor belt product. In PVC and PVG whole-core flame-retardant antistatic conveyor belt joints, generally products below grade 8 belts use this joint method.
Cold bonding joints, that is, using cold bonding adhesives for joints. This joint method is more efficient and economical than mechanical joints. It should have a better joint effect. However, from a practical point of view, because the process conditions are more difficult to master, and the quality of the adhesive has a great influence on the joint. So it is not very stable.
Thermal vulcanization joints have proved to be the most ideal joint method in practice, which can ensure high joint efficiency, but is also very stable, and the joint life is also very long and easy to master. However, there are disadvantages such as troublesome process, high cost, and long joint operation time.
2. The joint of the layered conveyor belt
Mechanical joints, cold bonded joints, hot vulcanized joints and other joint methods can be used as needed. Generally, cold-bonded joints and hot-vulcanized joints adopt stepped structure joints.
3. Joints of PVC and PVG whole-core flame-retardant conveyor belts
Due to the special structure of the whole core belt, the joint is not easy, so most of the mechanical joint method is adopted, that is, the belt buckle joint. However, in order to ensure the joint effect of belts above grade 8, thermal vulcanization joints are generally used. The structure of the joints are all finger joints. The thermal vulcanization joint process of PVC and PVG whole-core flame-retardant conveyor belts is relatively complicated, and the requirements for equipment are relatively high.
4. Joint of steel cord conveyor belt
The joint of the steel cord conveyor belt is the most complicated of all conveyor belt joint technologies. Not only is the process more complicated, but the joint size parameters are also the most designed. Different types of products have different joint structures. For specific structures, please refer to the GB9770 standard.
