直径为d的等截面轴的传递功率如图所示,已知轴的转速为n=10r/s,若材料[τ]=80MPa,则轴的直径应不小于( )http://edu-image.nosdn.127.net/BD12293FA99519C4739CAF1B7B5AA72D.JPG?imageView&thumbnail=890x0&quality=100
举一反三
- 直径为d的等截面轴的传递功率如图所示,已知轴的转速为n=10r/s,若材料[τ]=80MPa,则轴的直径应不小于()[img=369x138]17e0b2d9e2edc5e.jpg[/img] A: 39.3mm B: 26.2mm C: 31.5mm D: 13.1mm
- 直径为75mm的等截面轴上装有四个皮带轮,作用在皮带轮上的外力偶矩如图所示。已知:http://edu-image.nosdn.127.net/160A5AC2B9FAF2145F113B36342550AB.PNG?imageView&thumbnail=890x0&quality=100,则轴的总扭转角等于( )。http://edu-image.nosdn.127.net/A0CCD971E398998CE7CF5521DCDDB2D5.png?imageView&thumbnail=890x0&quality=100
- 等截面圆轴直径d=50mm,转速n=120r/min, 已知该轴的最大剪应力为60MPa,则该轴所传递的功率为
- 中国大学MOOC: 实腹式轴压杆绕x,y轴的长细比分别为http://edu-image.nosdn.127.net/CEDDCE7A3BB52B52DC56A37DE9DF8675.png?imageView&thumbnail=890x0&quality=100,http://edu-image.nosdn.127.net/2715192C2D5C066B84F9EEC130D1DD78.png?imageView&thumbnail=890x0&quality=100,对应的稳定系数分别为http://edu-image.nosdn.127.net/051E7EF77A20CC8EE7AE73090D7D0B9F.png?imageView&thumbnail=890x0&quality=100,http://edu-image.nosdn.127.net/CDC96ACA4577E26B3DE9DBF3AFBCEC46.png?imageView&thumbnail=890x0&quality=100,若http://edu-image.nosdn.127.net/991E5D4B35F3193105567CAF1B1CB1EC.png?imageView&thumbnail=890x0&quality=100,则( ) 。
- 15如图所示等截面实心圆轴的转速为n=80r/min。已知轴材料的许用切应力[img=192x88]17d60d194e8fcf4.png[/img]MPa。圆轴的直径d=75mm时满足强度条件。( )