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 如何進(jin)行機(ji)械加工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)序的(de)(de)設計？東莞(guan)機(ji)械加工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)序的(de)(de)定義是(shi)什么(me)？很(hen)多(duo)機(ji)械加工(gong)(gong)(gong)(gong)(gong)廠(chang)廠(chang)家都會有(you)這樣(yang)一(yi)個問題，對機(ji)械加工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)序有(you)自己的(de)(de)理解。所(suo)謂機(ji)械加工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)序是(shi)指完(wan)成(cheng)(cheng)一(yi)個工(gong)(gong)(gong)(gong)(gong)件，所(suo)需要的(de)(de)步驟(zou)。這個步驟(zou)可(ke)(ke)以(yi)(yi)是(shi)由(you)單獨一(yi)個人完(wan)成(cheng)(cheng)的(de)(de)，也可(ke)(ke)以(yi)(yi)是(shi)有(you)很(hen)多(duo)人共同完(wan)成(cheng)(cheng)的(de)(de)；工(gong)(gong)(gong)(gong)(gong)件可(ke)(ke)以(yi)(yi)是(shi)一(yi)個，也可(ke)(ke)以(yi)(yi)的(de)(de)多(duo)個。
如(ru)何設計(ji)機械(xie)加工(gong)工(gong)序，這是每(mei)個廠(chang)家必(bi)須面(mian)臨的(de)問題。不同(tong)的(de)生產(chan)設備(bei)(bei)，不同(tong)的(de)生產(chan)規模，不同(tong)的(de)生產(chan)條件，不同(tong)的(de)人員配備(bei)(bei)，所(suo)設計(ji)的(de)工(gong)藝(yi)也不盡相(xiang)同(tong)。但(dan)是原理是相(xiang)通(tong)的(de)，
    一(yi)般，單件(jian)(jian)產(chan)品，可交由(you)師傅，自己全權(quan)處理；大(da)批量(liang)零(ling)件(jian)(jian)，必須由(you)專人(ren)下(xia)料，開粗(cu)，粗(cu)加(jia)(jia)工(gong)(gong)(gong)(gong)和精(jing)加(jia)(jia)工(gong)(gong)(gong)(gong)才可以快速(su)有效的(de)生產(chan)。為(wei)了(le)保證加(jia)(jia)工(gong)(gong)(gong)(gong)精(jing)度(du)，粗(cu)、精(jing)加(jia)(jia)工(gong)(gong)(gong)(gong)最好分開進(jin)行(xing)(xing)。因為(wei)粗(cu)加(jia)(jia)工(gong)(gong)(gong)(gong)時，切削量(liang)大(da)，工(gong)(gong)(gong)(gong)件(jian)(jian)所受切削力(li)、夾緊力(li)大(da)，發熱量(liang)多(duo)，以及加(jia)(jia)工(gong)(gong)(gong)(gong)表面有較顯著的(de)加(jia)(jia)工(gong)(gong)(gong)(gong)硬(ying)化現象，工(gong)(gong)(gong)(gong)件(jian)(jian)內(nei)(nei)部存(cun)在著較大(da)的(de)內(nei)(nei)應力(li)，如果粗(cu)、粗(cu)加(jia)(jia)工(gong)(gong)(gong)(gong)連(lian)續進(jin)行(xing)(xing)，則(ze)精(jing)加(jia)(jia)工(gong)(gong)(gong)(gong)后(hou)的(de)零(ling)件(jian)(jian)精(jing)度(du)會因為(wei)應力(li)的(de)重新分布(bu)而(er)很(hen)快喪失(shi)。對于某些加(jia)(jia)工(gong)(gong)(gong)(gong)精(jing)度(du)要(yao)求(qiu)高(gao)的(de)零(ling)件(jian)(jian)。在粗(cu)加(jia)(jia)工(gong)(gong)(gong)(gong)之(zhi)后(hou)和精(jing)加(jia)(jia)工(gong)(gong)(gong)(gong)之(zhi)前，還應安排低溫退火或時效處理工(gong)(gong)(gong)(gong)序來消除內(nei)(nei)應力(li)。