In this paper, tbe reasons for the fracture of an infinitely variablespeed twist shaft which is used in spining wheel are analyzed.
对纺织机械用无级变速扭轴断裂原因进行了失效分析。
2
The pumping unit supplying the tested models consists in one horizontal shaft centrifugal pump driven by a variablespeed D. C. motor itself controlled by a thyristor speed drive.