機械加(jia)(jia)工以(yi)后的(de)零部件(jian)放(fang)在含有(you)磨(mo)塊或者是磨(mo)劑的(de)滾筒當中，在里面(mian)(mian)會(hui)進行(xing)復雜的(de)運動，而運動的(de)過程(cheng)當中會(hui)產生壓力，產生壓力會(hui)出(chu)現碰撞和滾壓，這(zhe)樣就會(hui)讓(rang)零部件(jian)的(de)表面(mian)(mian)起到輕微磨(mo)削的(de)效果(guo)，自然也就能夠實現讓(rang)它的(de)表面(mian)(mian)慢(man)慢(man)被(bei)細(xi)化(hua)，表面(mian)(mian)也會(hui)因此變得光整(zheng)很多。零件(jian)在加(jia)(jia)工和裝(zhuang)配過程(cheng)中所使用的(de)基(ji)(ji)(ji)準(zhun)(zhun)，稱為(wei)工藝(yi)基(ji)(ji)(ji)準(zhun)(zhun)。工藝(yi)基(ji)(ji)(ji)準(zhun)(zhun)按用途不同，又(you)分為(wei)定位(wei)(wei)(wei)(wei)基(ji)(ji)(ji)準(zhun)(zhun)、測量基(ji)(ji)(ji)準(zhun)(zhun)和裝(zhuang)配基(ji)(ji)(ji)準(zhun)(zhun)。定位(wei)(wei)(wei)(wei)基(ji)(ji)(ji)準(zhun)(zhun)：天津機械加(jia)(jia)工時使工件(jian)在機床或夾具中占據正確位(wei)(wei)(wei)(wei)置(zhi)(zhi)所用的(de)基(ji)(ji)(ji)準(zhun)(zhun)，稱為(wei)定位(wei)(wei)(wei)(wei)基(ji)(ji)(ji)準(zhun)(zhun)。機械零件(jian)加(jia)(jia)工上的(de)點、線、面(mian)(mian)的(de)實際位(wei)(wei)(wei)(wei)置(zhi)(zhi)與理想(xiang)位(wei)(wei)(wei)(wei)置(zhi)(zhi)的(de)符合程(cheng)度。評定位(wei)(wei)(wei)(wei)置(zhi)(zhi)精度的(de)項(xiang)目按GB/T1182—1996規定，有(you)平行(xing)度、垂直度、傾斜度、同軸度、對稱度、位(wei)(wei)(wei)(wei)置(zhi)(zhi)度、圓跳動和全跳動等8項(xiang)。位(wei)(wei)(wei)(wei)置(zhi)(zhi)精度是用位(wei)(wei)(wei)(wei)置(zhi)(zhi)誤(wu)差來控制的(de)，各項(xiang)目的(de)位(wei)(wei)(wei)(wei)置(zhi)(zhi)公(gong)差分為(wei)12個精度等級。

機械(xie)(xie)加(jia)(jia)工(gong)(gong)(gong)(gong)的(de)處理(li)辦法有熱處理(li)。熱處理(li)工(gong)(gong)(gong)(gong)序的(de)安排是為了提(ti)高金屬的(de)切(qie)削(xue)性(xing)能(neng)，通常(chang)在(zai)機械(xie)(xie)加(jia)(jia)工(gong)(gong)(gong)(gong)前進行(xing)。為了消除(chu)內應力，一(yi)般在(zai)粗加(jia)(jia)工(gong)(gong)(gong)(gong)之后，精加(jia)(jia)工(gong)(gong)(gong)(gong)之前進行(xing)。為了提(ti)高零(ling)件(jian)的(de)機械(xie)(xie)性(xing)能(neng)，大(da)型機械(xie)(xie)加(jia)(jia)工(gong)(gong)(gong)(gong)廠家，滲(shen)碳、淬火(huo)、回火(huo)等，滁州(zhou)機械(xie)(xie)加(jia)(jia)工(gong)(gong)(gong)(gong)，一(yi)般經過機械(xie)(xie)加(jia)(jia)工(gong)(gong)(gong)(gong)后才進行(xing)。采用(yong)數(shu)控操作，可減少生產工(gong)(gong)(gong)(gong)人，cnc精密機械(xie)(xie)加(jia)(jia)工(gong)(gong)(gong)(gong)，節約生產成本；采用(yong)自動(dong)檢測(ce)及監控裝(zhuang)置(zhi)，有利于提(ti)高工(gong)(gong)(gong)(gong)件(jian)的(de)穩定(ding)(ding)性(xing)。零(ling)件(jian)在(zai)加(jia)(jia)工(gong)(gong)(gong)(gong)和(he)(he)裝(zhuang)配過程中所使用(yong)的(de)基(ji)準(zhun)，稱為工(gong)(gong)(gong)(gong)藝基(ji)準(zhun)。工(gong)(gong)(gong)(gong)藝基(ji)準(zhun)按用(yong)途不(bu)同，大(da)型機械(xie)(xie)加(jia)(jia)工(gong)(gong)(gong)(gong)廠，又(you)分為定(ding)(ding)位(wei)基(ji)準(zhun)、測(ce)量基(ji)準(zhun)和(he)(he)裝(zhuang)配基(ji)準(zhun)。定(ding)(ding)位(wei)基(ji)準(zhun)：天津機械(xie)(xie)加(jia)(jia)工(gong)(gong)(gong)(gong)時使工(gong)(gong)(gong)(gong)件(jian)在(zai)機床或夾具中占據正確位(wei)置(zhi)所用(yong)的(de)基(ji)準(zhun)，稱為定(ding)(ding)位(wei)基(ji)準(zhun)。

機(ji)(ji)械加工(gong)的(de)(de)(de)精(jing)度(du)(du)(du)(du)(du)，主要是體(ti)現在以下這幾(ji)個(ge)方面(mian)，為尺(chi)寸精(jing)度(du)(du)(du)(du)(du)、幾(ji)何形狀精(jing)度(du)(du)(du)(du)(du)和相(xiang)互(hu)位置(zhi)精(jing)度(du)(du)(du)(du)(du)，其中幾(ji)何形狀精(jing)度(du)(du)(du)(du)(du)包(bao)(bao)括(kuo)圓度(du)(du)(du)(du)(du)、直線度(du)(du)(du)(du)(du)以及平(ping)面(mian)度(du)(du)(du)(du)(du)等，相(xiang)互(hu)位置(zhi)精(jing)度(du)(du)(du)(du)(du)包(bao)(bao)括(kuo)平(ping)行度(du)(du)(du)(du)(du)、垂直度(du)(du)(du)(du)(du)以及同軸度(du)(du)(du)(du)(du)等。機(ji)(ji)械加工(gong)的(de)(de)(de)優勢：機(ji)(ji)械加工(gong)不需要開(kai)模，且(qie)自由度(du)(du)(du)(du)(du)高；機(ji)(ji)械加工(gong)的(de)(de)(de)精(jing)度(du)(du)(du)(du)(du)非(fei)常高，有利于提(ti)(ti)高工(gong)件質(zhi)量(liang)(liang)；機(ji)(ji)械加工(gong)的(de)(de)(de)，有利于提(ti)(ti)高產量(liang)(liang)。機(ji)(ji)械加工(gong)性能不僅和企(qi)業的(de)(de)(de)利益相(xiang)關，還和安(an)全(quan)性相(xiang)關，在給企(qi)業帶(dai)來經濟效益的(de)(de)(de)同時，還可以有效降低安(an)全(quan)事故發生的(de)(de)(de)概率。