具有紧密公差的尺寸表示该零件必须恰当地与某些其它零件配合。
Dimensions given close tolerances mean that the part must fit properly with some other part.
会正确注写和识别表面粗糙度代号，尺寸公差与配合代号，形位公差代号。
Be able to label and read surface roughness codes, codes of size tolerance and fitting, and geometrical tolerance codes.
并能正确标注尺寸及加工表面符号，公差与配合。
Learning to mark dimensions, manufacturing surface symbols tolerance and fittings correctly.
内环与轴用键联接，外环尺寸公差为h 7与公差为h7的机壁配合，外环两侧端面键用于固定外环与机壁以传递扭矩。
The inner race is keyed to the shaft. The outer race has h7 tolerance and should be fitted in housing with a k7 tolerance. Additional side notches provide for positive torque transmission.
内环与轴用键联接，外环尺寸公差为h 7与公差为h7的机壁配合，外环两侧端面键用于固定外环与机壁以传递扭矩。
The inner race is keyed to the shaft. The outer race has h7 tolerance and should be fitted in housing with a k7 tolerance. Additional side notches provide for positive torque transmission.
应用推荐