对于闭式软齿面齿轮传动,在传动尺寸不变并满足弯曲疲劳强度要求的前提下,齿数宜适当取多些。其目的是()A、提高轮齿的抗弯强度B、提高齿面的接触强度C、提高传动平稳性...
Thursday, February 16, 2023
Sunday, September 11, 2022
角接触轴承承受轴向载荷的能力,随接触角α的增大而()。...
Saturday, September 17, 2022
在链传动、齿轮传动、带传动组成的多级传动中,带传动和链传动分别宜...
Sunday, September 11, 2022
Wednesday, September 14, 2022
Saturday, September 17, 2022
Sunday, September 11, 2022
齿轮常见的失效形式有哪些?在设计和维护中应该怎样防止这些失效?...
Sunday, September 11, 2022
Thursday, January 19, 2023
Wednesday, September 14, 2022
根据工作条件选择滚动轴承类型时,若转速高,载荷小应选择()轴承,...
Saturday, September 10, 2022
带传动的特点有()A、不需要张紧B、可以缓和冲击及振动,传动平稳C、过载时打滑,起到保护作用D、弹性滑动使传动比不稳定E、可用于两轮中心距较大的场合...
Thursday, December 8, 2022
已知单头圆柱蜗杆传动的蜗轮齿数为100,蜗杆的转动速度是360r...
Sunday, September 11, 2022
Sunday, September 11, 2022
滚动轴承中,主要承受径向力,还能承受较小的轴向力的是()...
Saturday, September 17, 2022
与直齿圆柱齿轮相比,斜齿圆柱齿轮重合度增大的原因是()...
Saturday, September 10, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
机械零件的刚度是指机械零件在载荷作用下防止断裂和塑性变形的能力。...
Sunday, September 11, 2022
Sunday, September 11, 2022