The lin ear positioning errors are compensated by the compensation of the thread pitch a nd threadclearance in the machine tools.
通过补偿机床螺距和丝杠间隙误差,实现了机床线性定位误差的补偿。
2
The upgraded drum locking device has integral drum locking blocks and a float screw rod, with the antivibration performance improved and the threadclearance eliminated.
改进的穿孔机转鼓器结构,采用整体压鼓块和浮动丝杆,消除了螺纹间隙,提高了抗振性能。
3
There exists a spiral clearance space in the API round thread casing joint which is effected by the thread tolerance ranges.