![4.4.3 Torsion](https://imgs.zsbeike.com/imgs/K/K09534/k09534.0074.2[3f675e3c6071].jpg)
 Excessivetorsionmaygivelock-upofthewirescausingbird-cagingorexcessiveyielding.Thisisnotaverylikelyfailuremodeundernormaloperationalconditionswherethetorqueloadsaresmall.However,therehavebeencasesofexcessivetorsionduringpipeinstallation,whichhavecausedfail (共 2418 字) [閱讀本文] >>