In the belt conveyor during operation, flexibility idlers is very important , if not idlers flexibility , rotational resistance coefficient , the entire belt conveyor system would have to pay a higher power , consume more electricity, sometimes resulting in tear tape , the motor burned more serious when you can cause a fire , so choose low rotational resistance coefficient ( preferably less than 0.020 ) of a belt conveyor idler design, selection of important content.

Is an important component of belt conveyor idlers , types and large quantities , which accounted for a total cost of 35% of the belt conveyor , bear more than 70% of the resistance , and therefore the quality of the roller is particularly important.

  Role is to support the conveyor idlers and material weight. Roller operation must be flexible and reliable. Reduce friction conveyor with roller , conveyor for accounting for more than 25% of the total cost of the conveyor belt of life plays a key role , although care roll is a smaller part in the belt conveyor , the structure is not complicated, but the manufacturing of high quality idlers and idler is not easy to judge the quality standards were the following : roller radial runout ; care . axial movement ; roll flexibility.