新型滚轮通过轮毂上的机械结构与弹性体固定的免粘胶设计 , 可 以防止弹性体脱落，提高了滚轮的 使用寿命，减少工作人员对该电梯 用滚轮的拆解和组装工作，节省人工成本，也减少维保人员在电梯井 道内停留时间，降低安全风险。 

New roller can prevent elastomer fall off by means of the mechanical structure and elastomer fixed wheel surface viscose design,improve the lifetime of roller,reduce operator disassembly and assembly to save labor cost,also reduce the staying time inside of the elevator shaft and reduce the risk.