機械加工是(shi)指通過一種機械設備對工件(jian)的外形尺寸(cun)或性能進行改變的過程。按加(jia)(jia)工方(fang)式上的差別可分為切削加(jia)(jia)工和壓力加(jia)(jia)工。

工(gong)(gong)(gong)(gong)序(xu)是組成機械加工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝過程的(de)基本單(dan)元。所謂工(gong)(gong)(gong)(gong)序(xu)是指一(yi)個(ge)（或一(yi)組）工(gong)(gong)(gong)(gong)人，在一(yi)臺機床上，對同一(yi)工(gong)(gong)(gong)(gong)件(jian)所連續完成的(de)那一(yi)部分工(gong)(gong)(gong)(gong)藝過程。構成一(yi)個(ge)工(gong)(gong)(gong)(gong)序(xu)的(de)主要特點是不改(gai)變加工(gong)(gong)(gong)(gong)對象、設備和操(cao)作者，而且工(gong)(gong)(gong)(gong)序(xu)的(de)內容(rong)是連續完成的(de)

工(gong)(gong)(gong)步是在(zai)(zai)加工(gong)(gong)(gong)表面不(bu)(bu)變(bian)、加工(gong)(gong)(gong)工(gong)(gong)(gong)具不(bu)(bu)變(bian)、切(qie)削用(yong)量不(bu)(bu)變(bian)的條件下走刀(dao)又叫工(gong)(gong)(gong)作行(xing)程，是加工(gong)(gong)(gong)工(gong)(gong)(gong)具在(zai)(zai)加工(gong)(gong)(gong)表面上(shang)加工(gong)(gong)(gong)一次(ci)所(suo)完成的工(gong)(gong)(gong)步。

制定機械加(jia)(jia)工(gong)工(gong)藝(yi)過程，確定該(gai)工(gong)件要經過幾(ji)道工(gong)序(xu)(xu)(xu)以(yi)及工(gong)序(xu)(xu)(xu)進行(xing)的(de)先后(hou)順(shun)序(xu)(xu)(xu)，僅列出主要工(gong)序(xu)(xu)(xu)名稱及其加(jia)(jia)工(gong)順(shun)序(xu)(xu)(xu)的(de)簡略工(gong)藝(yi)過程，稱為工(gong)藝(yi)路(lu)線。

生產類型

生產類(lei)型(xing)通常分(fen)為(wei)三類(lei)：

1．單件(jian)生(sheng)產：單個地生(sheng)產不(bu)同結(jie)構和不(bu)同尺寸(cun)的產品，并且很少重復。

2．批量(liang)生產：一年中(zhong)分(fen)批地(di)制(zhi)造相(xiang)同的(de)產品，制(zhi)造過程有重復性(xing)。

3．大(da)(da)批量生產(chan)：產(chan)品的制造數量很大(da)(da)，大(da)(da)多數工作(zuo)地點經常是重復進行某一個零件(jian)的某一道工序(xu)的加工。

keyword：江西機械加工

文章來源：//kystone.cn/