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精密機(jī)械加工的工藝效果是：
The effect of precision machining is:
?、倭慵膸缀涡螤詈拖嗷ノ恢镁冗_(dá)到微米或角秒級;
(1) the accuracy of parts geometry and position is up to micron or sec.
?、诹慵慕缦藁蛱卣鞒叽绻钤谖⒚滓韵?
2. The tolerance of parts or dimensions is below microns.
③零件表面微觀不平度(表面不平度平均高度差)小于0.1 微米;
(3) the surface roughness (the average height difference of surface roughness) is less than 0.1 microns.
?、芑ヅ浼軡M足配合力的要求;
4. Mutual accessories can meet the requirements of combining ability.
?、莶糠至慵€能滿足準(zhǔn)確的力學(xué)或其他物理特性要求;
Some parts can also meet the requirements of precise mechanics or other physical properties.