枕式包裝機的生產步驟
2024-01-18(4013)次瀏覽
枕式包裝機的生產研究零件(jian)表(biao)面間的相對位(wei)(wei)置關系離不開基(ji)(ji)(ji)準(zhun),不明確基(ji)(ji)(ji)準(zhun)就無法(fa)確定零件(jian)表(biao)面的位(wei)(wei)置。基(ji)(ji)(ji)準(zhun)就其(qi)一般意義來講,就是(shi)零件(jian)上用(yong)以確定其(qi)他點(dian)、線(xian)、面的位(wei)(wei)置所依據(ju)的點(dian)、線(xian)、面。基(ji)(ji)(ji)準(zhun)按其(qi)作用(yong)不同,可分為設計基(ji)(ji)(ji)準(zhun)和(he)工藝基(ji)(ji)(ji)準(zhun)兩大類。
枕式包裝機的生產步驟:
1、設計基準
在零件(jian)圖上用以確定其他點、線(xian)、面的基(ji)準,稱為(wei)設(she)計(ji)基(ji)準,就活(huo)塞來說,設(she)計(ji)基(ji)準指(zhi)活(huo)塞中心(xin)(xin)線(xian)和(he)銷孔中心(xin)(xin)線(xian)。
2、工藝基準
零件在(zai)加工(gong)和(he)裝(zhuang)配過程中所使用的基準,稱為(wei)工(gong)藝(yi)基準。工(gong)藝(yi)基準按(an)用途不同,又分為(wei)定(ding)位基準、測量基準和(he)裝(zhuang)配基準。
3.工件的安裝方式
為(wei)了在(zai)工(gong)(gong)件(jian)的(de)(de)(de)某一(yi)部位(wei)上(shang)加(jia)(jia)工(gong)(gong)出符合規定(ding)技術要(yao)求的(de)(de)(de)表(biao)面,在(zai)機(ji)械加(jia)(jia)工(gong)(gong)前(qian),需使(shi)工(gong)(gong)件(jian)在(zai)機(ji)床上(shang)相對于(yu)工(gong)(gong)具占據某一(yi)正確的(de)(de)(de)位(wei)置(zhi)(zhi)。通常(chang)把這(zhe)個過程(cheng)稱為(wei)工(gong)(gong)件(jian)的(de)(de)(de)“定(ding)位(wei)”。工(gong)(gong)件(jian)定(ding)位(wei)后,由于(yu)在(zai)加(jia)(jia)工(gong)(gong)中(zhong)受到切削(xue)力、重力等的(de)(de)(de)作用,還應采用一(yi)定(ding)的(de)(de)(de)機(ji)構(gou)將(jiang)工(gong)(gong)件(jian)“夾(jia)緊(jin)”,使(shi)其確定(ding)的(de)(de)(de)位(wei)置(zhi)(zhi)保(bao)持不(bu)變。使(shi)工(gong)(gong)件(jian)在(zai)機(ji)床上(shang)占有正確的(de)(de)(de)位(wei)置(zhi)(zhi)并將(jiang)工(gong)(gong)件(jian)夾(jia)緊(jin)的(de)(de)(de)過程(cheng)稱為(wei)“安(an)裝”。
工(gong)(gong)(gong)件(jian)安(an)(an)裝(zhuang)的(de)(de)(de)好壞是機(ji)(ji)械(xie)加(jia)(jia)工(gong)(gong)(gong)中的(de)(de)(de)重(zhong)要問題,不僅直接影響(xiang)加(jia)(jia)工(gong)(gong)(gong)精度、工(gong)(gong)(gong)件(jian)安(an)(an)裝(zhuang)的(de)(de)(de)快(kuai)慢、穩定性,還(huan)影響(xiang)生產率(lv)的(de)(de)(de)高低。為了保(bao)證(zheng)(zheng)加(jia)(jia)工(gong)(gong)(gong)表(biao)(biao)面與其設計基(ji)準間(jian)的(de)(de)(de)相(xiang)(xiang)對位置精度,工(gong)(gong)(gong)件(jian)安(an)(an)裝(zhuang)時(shi)應使加(jia)(jia)工(gong)(gong)(gong)表(biao)(biao)面的(de)(de)(de)設計基(ji)準相(xiang)(xiang)對機(ji)(ji)床占據一(yi)正(zheng)確的(de)(de)(de)位置。如精車(che)環(huan)槽(cao)工(gong)(gong)(gong)序(xu),為了保(bao)證(zheng)(zheng)環(huan)槽(cao)底徑與裙部(bu)軸線的(de)(de)(de)圓(yuan)跳動的(de)(de)(de)要求,工(gong)(gong)(gong)件(jian)安(an)(an)裝(zhuang)時(shi)需使其設計基(ji)準與機(ji)(ji)床主軸的(de)(de)(de)軸心(xin)線重(zhong)合。
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