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什么叫工裝(zhuang)夾(jia)具?工裝(zhuang)夾(jia)具的設計原理與作用
工(gong)(gong)裝,即工(gong)(gong)藝裝備:指制(zhi)造過程中所用(yong)的(de)各種工(gong)(gong)具的(de)總稱。包括刀具/夾(jia)具/模具/量具/檢(jian)具/輔具/鉗工(gong)(gong)工(gong)(gong)具/工(gong)(gong)位器(qi)具等。工(gong)(gong)裝為其通用(yong)簡(jian)稱。
工裝(zhuang)分(fen)為專用工裝(zhuang)/通用工裝(zhuang)/標準工裝(zhuang)(類(lei)似于標準件(jian))。
夾具:顧名思義(yi),用以(yi)裝(zhuang)夾工件(或引導刀具)的裝(zhuang)置。
治(zhi)具(ju):制造用器具(ju),這個詞對應fixture,有時與(yu)工裝同義,有時也指(zhi)夾具(ju),一(yi)般臺資(zi)/韓資(zi)/日資(zi)等(deng)電(dian)子企(qi)業多用。
夾具(ju)(ju)是(shi)(shi)加(jia)工(gong)(gong)時用來(lai)迅速(su)緊固工(gong)(gong)件,使(shi)機(ji)床、刀具(ju)(ju)、工(gong)(gong)件保(bao)持正確相對位置的(de)(de)工(gong)(gong)藝(yi)(yi)裝(zhuang)(zhuang)置。也就是(shi)(shi)說(shuo)Workholding工(gong)(gong)裝(zhuang)(zhuang)夾具(ju)(ju)是(shi)(shi)機(ji)械加(jia)工(gong)(gong)不(bu)可(ke)缺少的(de)(de)部件,夾具(ju)(ju)又稱卡具(ju)(ju)。從廣義上說(shuo),在工(gong)(gong)藝(yi)(yi)過程中的(de)(de)任何工(gong)(gong)序(xu),用來(lai)迅速(su)、方便、安全地安裝(zhuang)(zhuang)工(gong)(gong)件的(de)(de)裝(zhuang)(zhuang)置,都(dou)可(ke)稱為夾具(ju)(ju)。例如焊接夾具(ju)(ju)、檢驗夾具(ju)(ju)、裝(zhuang)(zhuang)配(pei)夾具(ju)(ju)、機(ji)床夾具(ju)(ju)等。其中機(ji)床夾具(ju)(ju),常簡稱為夾具(ju)(ju)。
在機(ji)床上加(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)件時,為使工(gong)(gong)(gong)件的表面能達到圖紙規定的尺寸、幾何形狀以及與其他(ta)表面的相互位置精度(du)等技術(shu)要求,加(jia)工(gong)(gong)(gong)前必須將(jiang)工(gong)(gong)(gong)件裝好(定位)、夾牢(lao)(夾緊)。應用機(ji)床夾具(ju),有利于保(bao)證(zheng)工(gong)(gong)(gong)件的加(jia)工(gong)(gong)(gong)精度(du)、穩(wen)定產(chan)品(pin)質量;有利于提高勞動生(sheng)(sheng)產(chan)率和降低成(cheng)本;有利于改善工(gong)(gong)(gong)人勞動條件,保(bao)證(zheng)安全生(sheng)(sheng)產(chan);有利于擴大機(ji)床工(gong)(gong)(gong)藝(yi)范圍(wei),實現“一機(ji)多用”。
夾具(ju)通常由(you)定位(wei)(wei)元件(jian)(確定工(gong)(gong)件(jian)在夾具(ju)中的正(zheng)確位(wei)(wei)置(zhi))、夾緊(jin)裝(zhuang)置(zhi)、對(dui)刀引導元件(jian)(確定刀具(ju)與工(gong)(gong)件(jian)的相對(dui)位(wei)(wei)置(zhi)或導引刀具(ju)方(fang)向)、分度裝(zhuang)置(zhi)(使工(gong)(gong)件(jian)在一次安裝(zhuang)中能完成數個(ge)工(gong)(gong)位(wei)(wei)的加工(gong)(gong),有回轉分度裝(zhuang)置(zhi)和直線移(yi)動分度裝(zhuang)置(zhi)兩類(lei))、連接元件(jian)以(yi)及夾具(ju)體(ti)(夾具(ju)底座)等組成。
夾(jia)具(ju)(ju)在(zai)(zai)電(dian)子(zi)廠商(shang)使(shi)用(yong)(yong)也是(shi)非常(chang)高(gao)的(de),在(zai)(zai)生(sheng)產中為(wei)了(le)提高(gao)生(sheng)產效率和(he)(he)產品質量,在(zai)(zai)生(sheng)產的(de)中段(duan)(duan)和(he)(he)后段(duan)(duan)就常(chang)用(yong)(yong)工(gong)(gong)裝夾(jia)具(ju)(ju)來進(jin)行功能測試或者輔(fu)助(zhu)裝配(能裝配出固(gu)定的(de)外形及高(gao)度等)。實際在(zai)(zai)電(dian)子(zi)生(sheng)產制造廠中的(de)用(yong)(yong)途是(shi)非常(chang)廣,因為(wei)是(shi)非標定制的(de),所(suo)以只有(you)想(xiang)不(bu)到而沒有(you)做不(bu)到的(de)。夾(jia)具(ju)(ju)屬于工(gong)(gong)裝,工(gong)(gong)裝包含(han)夾(jia)具(ju)(ju),屬于從(cong)屬關系。