The deficiency of present beltdrives design criteria is pointed out to get a start in sliding failure and fatigue fracture failure.
从防止带传动打滑失效和疲劳断裂失效出发，指出现有带传动设计准则之不足。
2
The paper analogizes the features of metal beltdrives and discusses the techniques to carry out an accurate transmission in long distance.
比较了几种长距离传动方式的特点与适用场合，重点探讨了实现长距离精密传动的技术要点。
3
Based on analysis of failure form about the conventional synchronous beltdrives, several important problems in application of the synchronous beltdrives are pointed out.