单向和双向推力角接触球轴承(图1.50和1.51)都用机床主轴轴向刚性作为指导。
Single-direction and double-direction angular contact thrust ball bearings (Figures 1.50 and 1.51) are used for machine tool spindles requiring rigid axial guidance.
结果表明,在一定工作空间范围内,主动冗余支链可以显著提高并联机床的刚性。
The results show that in certain range of the workspace, active redundant leg can increase stiffness of PKM significantly.
铸件经过严格的人工时效和振动时效,确保了机床的刚性、稳定性。
Casting pass by strict artificial aging and vibration aging so as to make sure the rigidity and stability of lathe.
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