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天津机器加工工艺进程的构成是如何的

文章(zhang)来历(li):http://jmwuliu.com/news132126.html 颁发时候:2019/9/11 15:58:00

天津机器加工工艺进程的构成是如何的


      工(gong)(gong)(gong)(gong)序(xu)(xu)(xu):工(gong)(gong)(gong)(gong)序(xu)(xu)(xu)是(shi)(shi)指一(yi)(yi)个(ge)(ge)(或(huo)(huo)一(yi)(yi)组)工(gong)(gong)(gong)(gong)人(ren),在(zai)(zai)一(yi)(yi)个(ge)(ge)任(ren)务地(di)点(dian)(或(huo)(huo)一(yi)(yi)台机(ji)床)上,对一(yi)(yi)个(ge)(ge)(或(huo)(huo)同时(shi)对几个(ge)(ge))工(gong)(gong)(gong)(gong)件所持(chi)(chi)(chi)续实(shi)现(xian)(xian)的(de)(de)那一(yi)(yi)局(ju)(ju)部(bu)工(gong)(gong)(gong)(gong)艺(yi)进程。工(gong)(gong)(gong)(gong)序(xu)(xu)(xu)是(shi)(shi)工(gong)(gong)(gong)(gong)艺(yi)线(xian)路的(de)(de)根基(ji)构成局(ju)(ju)部(bu),也是(shi)(shi)支(zhi)配出产打(da)算的(de)(de)根基(ji)单位。因为是(shi)(shi)一(yi)(yi)个(ge)(ge)工(gong)(gong)(gong)(gong)人(ren)在(zai)(zai)一(yi)(yi)台机(ji)床上先持(chi)(chi)(chi)续实(shi)现(xian)(xian)车两(liang)头面,钻两(liang)孔后,便改换第二(er)(er)个(ge)(ge)工(gong)(gong)(gong)(gong)件,反(fan)复(fu)(fu)这(zhei)些(xie)内容,则这(zhei)局(ju)(ju)部(bu)工(gong)(gong)(gong)(gong)艺(yi)进程为一(yi)(yi)个(ge)(ge)工(gong)(gong)(gong)(gong)序(xu)(xu)(xu)。而后在(zai)(zai)统(tong)一(yi)(yi)台车床上,再持(chi)(chi)(chi)续实(shi)现(xian)(xian)粗车各外(wai)圆、半精车各外(wai)圆、倒角后,便改换第二(er)(er)个(ge)(ge)工(gong)(gong)(gong)(gong)件,反(fan)复(fu)(fu)这(zhei)些(xie)内容,则这(zhei)局(ju)(ju)部(bu)工(gong)(gong)(gong)(gong)艺(yi)进程又为一(yi)(yi)个(ge)(ge)工(gong)(gong)(gong)(gong)序(xu)(xu)(xu)。若由一(yi)(yi)个(ge)(ge)工(gong)(gong)(gong)(gong)人(ren)在(zai)(zai)一(yi)(yi)台车床上,持(chi)(chi)(chi)续实(shi)现(xian)(xian)车端面、钻孔、粗车各外(wai)圆、半精车各外(wai)圆、倒角等任(ren)务后,再换第二(er)(er)个(ge)(ge)工(gong)(gong)(gong)(gong)件反(fan)复(fu)(fu)这(zhei)些(xie)内容,则这(zhei)局(ju)(ju)部(bu)工(gong)(gong)(gong)(gong)艺(yi)进程是(shi)(shi)一(yi)(yi)个(ge)(ge)工(gong)(gong)(gong)(gong)序(xu)(xu)(xu),而不是(shi)(shi)两(liang)个(ge)(ge)工(gong)(gong)(gong)(gong)序(xu)(xu)(xu)。

      装置(zhi):工(gong)件(jian)(或拆卸(xie)单位)经一(yi)(yi)次装夹后(hou)所实现的(de)那一(yi)(yi)局(ju)部工(gong)序(xu),称(cheng)为(wei)装置(zhi)。在(zai)统一(yi)(yi)工(gong)序(xu)中,工(gong)件(jian)能(neng)(neng)够要颠末几回装置(zhi)。如图16.1所示,在(zai)工(gong)序(xu)1中,普通需有2次装置(zhi):夹住φ65外(wai)(wai)圆,车(che)一(yi)(yi)端面(mian)并钻(zuan)孔(kong)(kong);调(diao)头,夹住φ65外(wai)(wai)圆,车(che)另外(wai)(wai)一(yi)(yi)端面(mian)并钻(zuan)孔(kong)(kong)。加工(gong)中应(ying)尽可能(neng)(neng)削(xue)(xue)减(jian)装置(zhi)次数(shu),以削(xue)(xue)减(jian)装置(zhi)偏差和节(jie)流帮助时候(hou)。

      工(gong)(gong)步:在加(jia)工(gong)(gong)外表(biao)(或拆卸时的(de)毗连(lian)外表(biao))、加(jia)工(gong)(gong)(或拆卸)东西、转速和进给量都稳定的(de)环境下所持续实现(xian)的(de)那一局部工(gong)(gong)序(xu),称为工(gong)(gong)步。工(gong)(gong)步是构(gou)成工(gong)(gong)序(xu)的(de)根(gen)基单位。

      工位(wei)(wei)(wei):为(wei)实现必然(ran)的工序局(ju)部,一次装夹(jia)后,工件(或拆卸单位(wei)(wei)(wei))与夹(jia)具或装备的可动局(ju)部一路绝对刀具和装备的牢固局(ju)部所(suo)占有的每个(ge)地位(wei)(wei)(wei)。比方,用分度头(tou)铣六方,每转位(wei)(wei)(wei)一次即为(wei)一个(ge)工位(wei)(wei)(wei)。

      走刀(dao)(dao):统(tong)一(yi)(yi)工(gong)步中,若加工(gong)余量大,需用统(tong)一(yi)(yi)刀(dao)(dao)具(ju),在不异(yi)转速和进(jin)给量下,对统(tong)一(yi)(yi)加工(gong)面(mian)停止(zhi)屡次(ci)切(qie)削,则(ze)每(mei)切(qie)削一(yi)(yi)次(ci),便(bian)是一(yi)(yi)次(ci)走刀(dao)(dao)。

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