在進行(xing)機械(xie)加(jia)(jia)工(gong)(gong)(gong)(gong)的(de)(de)(de)(de)(de)(de)時(shi)(shi)候，學會對零(ling)部件的(de)(de)(de)(de)(de)(de)精(jing)(jing)(jing)(jing)度進行(xing)控(kong)制(zhi)是(shi)很(hen)有必(bi)要的(de)(de)(de)(de)(de)(de)一(yi)(yi)件事情，因為只(zhi)有精(jing)(jing)(jing)(jing)度得到(dao)控(kong)制(zhi)以(yi)后，才(cai)能夠(gou)(gou)讓加(jia)(jia)工(gong)(gong)(gong)(gong)出來(lai)的(de)(de)(de)(de)(de)(de)零(ling)部件更(geng)能夠(gou)(gou)滿足精(jing)(jing)(jing)(jing)密需求。高精(jing)(jing)(jing)(jing)細(xi)機械(xie)制(zhi)造工(gong)(gong)(gong)(gong)藝離(li)不開高精(jing)(jing)(jing)(jing)細(xi)設(she)備(bei)的(de)(de)(de)(de)(de)(de)使用，其(qi)(qi)中精(jing)(jing)(jing)(jing)細(xi)設(she)備(bei)的(de)(de)(de)(de)(de)(de)配件產(chan)品需要杰出的(de)(de)(de)(de)(de)(de)物理安穩(wen)性(xing)能作為基礎，尤(you)其(qi)(qi)是(shi)耐(nai)(nai)高溫(wen)，耐(nai)(nai)腐蝕的(de)(de)(de)(de)(de)(de)耐(nai)(nai)久壽命(ming)作業，這(zhe)(zhe)關于材料的(de)(de)(de)(de)(de)(de)挑選(xuan)來(lai)說硬質合金材料無疑是(shi)首要挑選(xuan)。零(ling)部件上(shang)面(mian)有多個(ge)型腔，加(jia)(jia)工(gong)(gong)(gong)(gong)的(de)(de)(de)(de)(de)(de)時(shi)(shi)候，不宜采用一(yi)(yi)個(ge)型腔一(yi)(yi)個(ge)型腔的(de)(de)(de)(de)(de)(de)加(jia)(jia)工(gong)(gong)(gong)(gong)方式進行(xing)加(jia)(jia)工(gong)(gong)(gong)(gong)排(pai)列，這(zhe)(zhe)樣很(hen)容易造成零(ling)部件受力(li)不均勻而產(chan)生(sheng)變形，采用分層(ceng)多次(ci)(ci)加(jia)(jia)工(gong)(gong)(gong)(gong)，每一(yi)(yi)層(ceng)盡量同時(shi)(shi)加(jia)(jia)工(gong)(gong)(gong)(gong)到(dao)所有的(de)(de)(de)(de)(de)(de)型腔，然后在加(jia)(jia)工(gong)(gong)(gong)(gong)上(shang)下一(yi)(yi)個(ge)層(ceng)次(ci)(ci)，讓零(ling)件均勻受力(li)減小發生(sheng)形變的(de)(de)(de)(de)(de)(de)概率(lv)。

零件(jian)加(jia)工(gong)(gong)(gong)表面上(shang)，精密(mi)機械加(jia)工(gong)(gong)(gong)價(jia)格，不(bu)應(ying)有(you)劃(hua)痕、擦傷等(deng)損傷零件(jian)表面的(de)缺(que)(que)陷，安徽機械加(jia)工(gong)(gong)(gong)，加(jia)工(gong)(gong)(gong)的(de)螺(luo)紋(wen)表面不(bu)允許有(you)黑皮(pi)、磕(ke)碰、亂扣和(he)毛刺等(deng)缺(que)(que)陷。所有(you)需要(yao)進行涂裝的(de)鋼(gang)鐵制件(jian)表面在涂漆前，必須(xu)將鐵銹、氧化皮(pi)、油(you)脂、灰塵、泥(ni)土、鹽(yan)和(he)污物等(deng)除(chu)去。高精細(xi)機械制造工(gong)(gong)(gong)藝離不(bu)開高精細(xi)設備的(de)使用，其中精細(xi)設備的(de)配件(jian)產品需要(yao)杰出的(de)物理(li)安穩性能作(zuo)為基礎(chu)，尤(you)其是(shi)耐高溫，耐腐蝕(shi)的(de)耐久壽命(ming)作(zuo)業，這關(guan)于材料的(de)挑選來(lai)說(shuo)硬(ying)質合金材料無疑是(shi)首要(yao)挑選。機械零件(jian)加(jia)工(gong)(gong)(gong)上(shang)的(de)點、線、面的(de)實際位(wei)(wei)置(zhi)與理(li)想(xiang)位(wei)(wei)置(zhi)的(de)符合程度(du)。評定(ding)位(wei)(wei)置(zhi)精度(du)的(de)項目按GB/T1182—1996規定(ding)，有(you)平行度(du)、垂直度(du)、傾斜(xie)度(du)、同軸度(du)、對稱度(du)、位(wei)(wei)置(zhi)度(du)、圓跳(tiao)動(dong)和(he)全跳(tiao)動(dong)等(deng)8項。位(wei)(wei)置(zhi)精度(du)是(shi)用位(wei)(wei)置(zhi)誤差來(lai)控制的(de)，大型機械加(jia)工(gong)(gong)(gong)廠家(jia)，各(ge)項目的(de)位(wei)(wei)置(zhi)公差分為12個精度(du)等(deng)級。

機(ji)械加(jia)工(gong)(gong)(gong)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)(zhun)(zhun)按(an)其(qi)(qi)(qi)作(zuo)用(yong)(yong)不同，cnc精(jing)密機(ji)械加(jia)工(gong)(gong)(gong)，可分為(wei)(wei)設計(ji)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)(zhun)(zhun)和(he)(he)(he)工(gong)(gong)(gong)藝(yi)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)(zhun)(zhun)兩(liang)大類。設計(ji)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)(zhun)(zhun)在零件(jian)圖上(shang)用(yong)(yong)以確定(ding)其(qi)(qi)(qi)他(ta)點(dian)、線、面的(de)(de)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)(zhun)(zhun)，稱為(wei)(wei)設計(ji)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)(zhun)(zhun)，就活塞(sai)來說(shuo)，設計(ji)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)(zhun)(zhun)指活塞(sai)中(zhong)心線和(he)(he)(he)銷孔中(zhong)心線。零件(jian)在加(jia)工(gong)(gong)(gong)和(he)(he)(he)裝配(pei)過程中(zhong)所使(shi)用(yong)(yong)的(de)(de)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)(zhun)(zhun)，稱為(wei)(wei)工(gong)(gong)(gong)藝(yi)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)(zhun)(zhun)。工(gong)(gong)(gong)藝(yi)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)(zhun)(zhun)按(an)用(yong)(yong)途不同，又分為(wei)(wei)定(ding)位基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)(zhun)(zhun)、測量基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)(zhun)(zhun)和(he)(he)(he)裝配(pei)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)(zhun)(zhun)。定(ding)位基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)(zhun)(zhun)：天津機(ji)械加(jia)工(gong)(gong)(gong)時使(shi)工(gong)(gong)(gong)件(jian)在機(ji)床或夾具中(zhong)占據(ju)正(zheng)確位置所用(yong)(yong)的(de)(de)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)(zhun)(zhun)，稱為(wei)(wei)定(ding)位基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)(zhun)(zhun)。高(gao)精(jing)細機(ji)械制造工(gong)(gong)(gong)藝(yi)離(li)不開高(gao)精(jing)細設備的(de)(de)使(shi)用(yong)(yong)，其(qi)(qi)(qi)中(zhong)精(jing)細設備的(de)(de)配(pei)件(jian)產(chan)品需要杰出(chu)的(de)(de)物理安(an)穩性(xing)能作(zuo)為(wei)(wei)基(ji)(ji)礎，尤其(qi)(qi)(qi)是耐高(gao)溫(wen)，耐腐蝕的(de)(de)耐久壽命作(zuo)業(ye)，這關(guan)于(yu)材(cai)料的(de)(de)挑(tiao)選來說(shuo)硬(ying)質合(he)金材(cai)料無疑是首要挑(tiao)選。