機(ji)械加(jia)(jia)工(gong)(gong)是通(tong)過(guo)機(ji)械設備對工(gong)(gong)件的(de)外(wai)形尺寸或(huo)性能進行(xing)改變的(de)加(jia)(jia)工(gong)(gong)過(guo)程(cheng)，機(ji)械加(jia)(jia)工(gong)(gong)對現(xian)代工(gong)(gong)業生(sheng)(sheng)產起到(dao)了非常重(zhong)(zhong)要的(de)作用(yong)。通(tong)過(guo)刀(dao)具的(de)轉(zhuan)動(dong)和(he)(he)工(gong)(gong)件的(de)軸向(xiang)運動(dong)，銑(xian)床完成了金屬材料的(de)成形。顯然(ran)，銑(xian)床在(zai)機(ji)械加(jia)(jia)工(gong)(gong)中的(de)定(ding)位非常重(zhong)(zhong)要。機(ji)械加(jia)(jia)工(gong)(gong)以后的(de)零部件放在(zai)含有磨(mo)(mo)塊或(huo)者(zhe)是磨(mo)(mo)劑的(de)滾(gun)筒當(dang)中，在(zai)里(li)面(mian)(mian)(mian)會(hui)(hui)進行(xing)復雜的(de)運動(dong)，而(er)運動(dong)的(de)過(guo)程(cheng)當(dang)中會(hui)(hui)產生(sheng)(sheng)壓(ya)(ya)力(li)，產生(sheng)(sheng)壓(ya)(ya)力(li)會(hui)(hui)出現(xian)碰撞(zhuang)和(he)(he)滾(gun)壓(ya)(ya)，這樣(yang)就(jiu)(jiu)會(hui)(hui)讓零部件的(de)表(biao)面(mian)(mian)(mian)起到(dao)輕微(wei)磨(mo)(mo)削(xue)的(de)效果，自然(ran)也(ye)就(jiu)(jiu)能夠實(shi)現(xian)讓它的(de)表(biao)面(mian)(mian)(mian)慢(man)慢(man)被細化，表(biao)面(mian)(mian)(mian)也(ye)會(hui)(hui)因此變得光整很(hen)多。

機(ji)械(xie)加(jia)工(gong)(gong)(gong)(gong)的(de)(de)精(jing)(jing)度(du)，主要是(shi)體現在(zai)以下(xia)這幾(ji)個(ge)方面，為(wei)尺寸精(jing)(jing)度(du)、幾(ji)何形狀(zhuang)精(jing)(jing)度(du)和相(xiang)互(hu)位置精(jing)(jing)度(du)，其中幾(ji)何形狀(zhuang)精(jing)(jing)度(du)包括(kuo)圓(yuan)度(du)、直線度(du)以及(ji)平面度(du)等(deng)(deng)，相(xiang)互(hu)位置精(jing)(jing)度(du)包括(kuo)平行度(du)、垂直度(du)以及(ji)同軸度(du)等(deng)(deng)。零(ling)(ling)部件(jian)(jian)上面有(you)多個(ge)型腔(qiang)，加(jia)工(gong)(gong)(gong)(gong)的(de)(de)時(shi)候，精(jing)(jing)密機(ji)械(xie)加(jia)工(gong)(gong)(gong)(gong)廠家，不宜采用一個(ge)型腔(qiang)一個(ge)型腔(qiang)的(de)(de)加(jia)工(gong)(gong)(gong)(gong)方式進(jin)行加(jia)工(gong)(gong)(gong)(gong)排列，這樣很容易造成(cheng)零(ling)(ling)部件(jian)(jian)受力(li)不均(jun)勻而產生(sheng)(sheng)變形，cnc機(ji)械(xie)加(jia)工(gong)(gong)(gong)(gong)，采用分層多次加(jia)工(gong)(gong)(gong)(gong)，每一層盡量同時(shi)加(jia)工(gong)(gong)(gong)(gong)到所有(you)的(de)(de)型腔(qiang)，然后在(zai)加(jia)工(gong)(gong)(gong)(gong)上下(xia)一個(ge)層次，精(jing)(jing)密機(ji)械(xie)加(jia)工(gong)(gong)(gong)(gong)價格，讓零(ling)(ling)件(jian)(jian)均(jun)勻受力(li)減小發(fa)(fa)生(sheng)(sheng)形變的(de)(de)概(gai)率。精(jing)(jing)密零(ling)(ling)件(jian)(jian)加(jia)工(gong)(gong)(gong)(gong)其實是(shi)機(ji)械(xie)加(jia)工(gong)(gong)(gong)(gong)的(de)(de)一種，安徽機(ji)械(xie)加(jia)工(gong)(gong)(gong)(gong)，但是(shi)因為(wei)對(dui)零(ling)(ling)件(jian)(jian)的(de)(de)加(jia)工(gong)(gong)(gong)(gong)精(jing)(jing)密度(du)較高，對(dui)生(sheng)(sheng)產機(ji)械(xie)及(ji)流程(cheng)要求也(ye)比較高。隨著工(gong)(gong)(gong)(gong)業化發(fa)(fa)展，精(jing)(jing)密機(ji)械(xie)加(jia)工(gong)(gong)(gong)(gong)分類越來越多，方向越來越細，越來越化。

機(ji)(ji)械(xie)(xie)加工主(zhu)要有精(jing)(jing)(jing)車、精(jing)(jing)(jing)鏜、精(jing)(jing)(jing)銑、精(jing)(jing)(jing)磨和研磨等工藝。精(jing)(jing)(jing)銑：用于加工形(xing)狀(zhuang)復雜的(de)鋁或鈹合(he)金(jin)(jin)結(jie)構件(jian)(jian)。依靠(kao)機(ji)(ji)床(chuang)的(de)導軌和主(zhu)軸(zhou)的(de)精(jing)(jing)(jing)度(du)來獲得(de)(de)(de)較(jiao)高的(de)相互位置精(jing)(jing)(jing)度(du)。使(shi)用經仔(zi)細研磨的(de)金(jin)(jin)剛石刀(dao)頭進(jin)行高速銑切可獲得(de)(de)(de)準確的(de)鏡面。在進(jin)行機(ji)(ji)械(xie)(xie)加工的(de)時候，學會對零部件(jian)(jian)的(de)精(jing)(jing)(jing)度(du)進(jin)行控制(zhi)是很有必要的(de)一件(jian)(jian)事情，因(yin)為只(zhi)有精(jing)(jing)(jing)度(du)得(de)(de)(de)到控制(zhi)以后，才能(neng)夠讓加工出來的(de)零部件(jian)(jian)更能(neng)夠滿(man)足精(jing)(jing)(jing)密需(xu)求。