The role of supporting rollers is to support the weight of conveyor belts and materials. The operation of idler must be flexible and reliable. Reducing the friction between conveyor belt and idler plays a key role in shuiniguan.37ix.com.cntaoci.37ix.com.cnchongdian.89ix.comkongzhifa.89ix.compeidiand.89ix.com shiyand.89ix.comthe service life of conveyor belt which accounts for more than 25% of the total cost of conveyor. Although the idler is a small part of belt conveyor and its structure is not complicated, it is not easy to produce high quality idlers.
The criteria for judging the quality of idlers are as follows: radial runout of idlers; flexibility of idlers; and axial runout.