第二個(ge)問題是拉(la)(la)(la)裂，這個(ge)是拉(la)(la)(la)伸(shen)過(guo)程中經常(chang)碰到的(de)(de)(de)問題。當筒壁(bi)處(chu)所受的(de)(de)(de)拉(la)(la)(la)應(ying)力超過(guo)了材料(liao)的(de)(de)(de)強度(du)(du)極(ji)限時，產品(pin)會(hui)拉(la)(la)(la)裂，裂口(kou)一般出(chu)現在(zai)(zai)凸(tu)模(mo)(mo)(mo)圓(yuan)(yuan)角(jiao)(jiao)(jiao)稍(shao)上一點(dian)的(de)(de)(de)筒壁(bi)處(chu)。影(ying)響產品(pin)拉(la)(la)(la)裂的(de)(de)(de)因(yin)素有：材料(liao)的(de)(de)(de)拉(la)(la)(la)伸(shen)性能，材料(liao)的(de)(de)(de)直徑和(he)厚(hou)度(du)(du)，拉(la)(la)(la)深系(xi)數(shu)，凹(ao)(ao)凸(tu)模(mo)(mo)(mo)的(de)(de)(de)圓(yuan)(yuan)角(jiao)(jiao)(jiao)半徑，壓邊力，摩擦系(xi)數(shu)等。凹(ao)(ao)凸(tu)模(mo)(mo)(mo)的(de)(de)(de)圓(yuan)(yuan)角(jiao)(jiao)(jiao)半徑太(tai)小(xiao)，太(tai)尖(jian)，就(jiu)容易(yi)把產品(pin)拉(la)(la)(la)裂，一般用的(de)(de)(de)修模(mo)(mo)(mo)方法就(jiu)是想辦法把圓(yuan)(yuan)角(jiao)(jiao)(jiao)加(jia)大(da)(da)，把圓(yuan)(yuan)角(jiao)(jiao)(jiao)處(chu)搞光滑(hua)一點(dian)，拋亮(liang)一點(dian)，實(shi)在(zai)(zai)不(bu)(bu)行了在(zai)(zai)生產的(de)(de)(de)時候加(jia)油(you)打(da)也(ye)可以，特別是拉(la)(la)(la)伸(shen)油(you)，非常(chang)有效果。設(she)計(ji)沖壓模(mo)(mo)(mo)具的(de)(de)(de)時候，可以在(zai)(zai)客(ke)戶產品(pin)要求允許的(de)(de)(de)情況下，盡量把圓(yuan)(yuan)角(jiao)(jiao)(jiao)加(jia)大(da)(da)，不(bu)(bu)要搞得太(tai)尖(jian)了。沖裁(cai)(cai)模(mo)(mo)(mo):沖裁(cai)(cai)所使用的(de)(de)(de)模(mo)(mo)(mo)具叫沖裁(cai)(cai)模(mo)(mo)(mo)，它是沖裁(cai)(cai)過(guo)程必不(bu)(bu)可少的(de)(de)(de)工藝(yi)裝備。其(qi)特點(dian)是凸(tu)、凹(ao)(ao)模(mo)(mo)(mo)刃口(kou)鋒利，間(jian)隙小(xiao)。海寧本(ben)地(di)沖壓模(mo)(mo)(mo)具供應(ying)商

提高(gao)(gao)了材(cai)料的成形極限(xian),同時利(li)用反復成形技(ji)(ji)術(shu)可消(xiao)除(chu)材(cai)料內殘余應(ying)力(li),實(shi)現無(wu)回彈(dan)成形。無(wu)模(mo)(mo)(mo)(mo)(mo)多(duo)點成形系統(tong)以(yi)CAD/CAM/CAE技(ji)(ji)術(shu)為主(zhu)要(yao)手段(duan),能(neng)快速經濟地實(shi)現三(san)維曲面(mian)的自動化(hua)成形。精(jing)(jing)密(mi)、高(gao)(gao)效的多(duo)工(gong)位(wei)及(ji)(ji)多(duo)功能(neng)級(ji)(ji)進(jin)模(mo)(mo)(mo)(mo)(mo)和(he)大型復雜(za)的汽車(che)覆(fu)蓋(gai)件沖模(mo)(mo)(mo)(mo)(mo)了現代沖模(mo)(mo)(mo)(mo)(mo)的技(ji)(ji)術(shu)水(shui)平(ping)(ping)。目(mu)前。50個(ge)工(gong)位(wei)以(yi)上(shang)的級(ji)(ji)進(jin)模(mo)(mo)(mo)(mo)(mo)進(jin)距精(jing)(jing)度可達(da)(da)(da)到(dao)2微(wei)米(mi),多(duo)功能(neng)級(ji)(ji)進(jin)模(mo)(mo)(mo)(mo)(mo)不僅可以(yi)完成沖壓全過程,還可完成焊接、裝配等(deng)工(gong)序。我國已能(neng)自行設計(ji)(ji)制(zhi)(zhi)(zhi)造(zao)(zao)(zao)(zao)(zao)出(chu)達(da)(da)(da)到(dao)國際(ji)水(shui)平(ping)(ping)的精(jing)(jing)度達(da)(da)(da)2~5微(wei)米(mi),進(jin)距精(jing)(jing)度2~3微(wei)米(mi),總壽(shou)命達(da)(da)(da)1億次。我國主(zhu)要(yao)汽車(che)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)企業,已能(neng)生產(chan)成套轎車(che)覆(fu)蓋(gai)件模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju),在(zai)(zai)(zai)(zai)設計(ji)(ji)制(zhi)(zhi)(zhi)造(zao)(zao)(zao)(zao)(zao)方法(fa)、手段(duan)方面(mian)已基(ji)本(ben)達(da)(da)(da)到(dao)了國際(ji)水(shui)平(ping)(ping),但在(zai)(zai)(zai)(zai)制(zhi)(zhi)(zhi)造(zao)(zao)(zao)(zao)(zao)方法(fa)手段(duan)方面(mian)已基(ji)本(ben)達(da)(da)(da)到(dao)了國際(ji)水(shui)平(ping)(ping),模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)結構、功能(neng)方面(mian)也接近國際(ji)水(shui)平(ping)(ping),但在(zai)(zai)(zai)(zai)制(zhi)(zhi)(zhi)造(zao)(zao)(zao)(zao)(zao)質(zhi)量(liang)、精(jing)(jing)度、制(zhi)(zhi)(zhi)造(zao)(zao)(zao)(zao)(zao)周(zhou)期和(he)成本(ben)方面(mian)與國外(wai)相比還存在(zai)(zai)(zai)(zai)一定差距。沖模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)的發展.在(zai)(zai)(zai)(zai)沖模(mo)(mo)(mo)(mo)(mo)的設計(ji)(ji)制(zhi)(zhi)(zhi)造(zao)(zao)(zao)(zao)(zao)上(shang),目(mu)前正朝著以(yi)下兩方面(mian)發展:一方面(mian),為了適應(ying)高(gao)(gao)速、自動、精(jing)(jing)密(mi)、安(an)全等(deng)大批量(liang)現產(chan)的需(xu)要(yao),沖模(mo)(mo)(mo)(mo)(mo)正向高(gao)(gao)效率、高(gao)(gao)精(jing)(jing)度、高(gao)(gao)壽(shou)命及(ji)(ji)多(duo)工(gong)位(wei)、多(duo)功能(neng)方向發展,與此相比適應(ying)的新型模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)材(cai)料及(ji)(ji)其熱處(chu)理技(ji)(ji)術(shu),各種高(gao)(gao)效、精(jing)(jing)密(mi)、數控自動化(hua)的模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)加工(gong)機床和(he)檢測設備以(yi)及(ji)(ji)模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)CAD/CAM技(ji)(ji)術(shu)也在(zai)(zai)(zai)(zai)迅速發展。海(hai)寧耐(nai)用沖壓模(mo)(mo)(mo)(mo)(mo)具(ju)(ju)(ju)廠家連續模(mo)(mo)(mo)(mo)(mo)結構復雜(za)、制(zhi)(zhi)(zhi)造(zao)(zao)(zao)(zao)(zao)精(jing)(jing)度高(gao)(gao)、周(zhou)期長(chang)、成本(ben)高(gao)(gao)、維護(hu)困難。

可(ke)實現(xian)復(fu)雜精(jing)密零部(bu)件(jian)的(de)(de)(de)(de)(de)(de)(de)一(yi)次沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)成(cheng)型(xing)。熱(re)沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)成(cheng)型(xing)技(ji)(ji)術(shu)具(ju)有(you)以(yi)下(xia)特點：一(yi)是(shi)熱(re)沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)成(cheng)型(xing)技(ji)(ji)術(shu)所(suo)需(xu)壓(ya)(ya)(ya)(ya)力機(ji)的(de)(de)(de)(de)(de)(de)(de)噸位較小，相(xiang)比冷沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)所(suo)需(xu)的(de)(de)(de)(de)(de)(de)(de)2500T壓(ya)(ya)(ya)(ya)力機(ji)，800T壓(ya)(ya)(ya)(ya)力機(ji)已(yi)可(ke)滿足大(da)多數熱(re)沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)成(cheng)型(xing)結(jie)(jie)構(gou)件(jian)的(de)(de)(de)(de)(de)(de)(de)生產(chan)需(xu)要(yao)；二是(shi)熱(re)沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)成(cheng)型(xing)零部(bu)件(jian)的(de)(de)(de)(de)(de)(de)(de)表面硬度(du)較高(gao)，由試驗(yan)得出(chu)(chu)熱(re)沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)結(jie)(jie)構(gou)件(jian)的(de)(de)(de)(de)(de)(de)(de)表面硬度(du)可(ke)達(da)到50HRC以(yi)上，抗(kang)拉強(qiang)(qiang)度(du)1,500MPa以(yi)上；三是(shi)熱(re)沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)成(cheng)型(xing)部(bu)件(jian)減(jian)重(zhong)(zhong)效(xiao)果明(ming)顯，在(zai)同等(deng)強(qiang)(qiang)度(du)條件(jian)下(xia)，使用(yong)(yong)超鋼(gang)板(ban)熱(re)沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)結(jie)(jie)構(gou)件(jian)可(ke)使板(ban)材的(de)(de)(de)(de)(de)(de)(de)厚度(du)減(jian)少30%以(yi)上。②熱(re)沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)結(jie)(jie)構(gou)件(jian)在(zai)車(che)(che)身上的(de)(de)(de)(de)(de)(de)(de)應(ying)(ying)用(yong)(yong)熱(re)沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)成(cheng)型(xing)技(ji)(ji)術(shu)作(zuo)為(wei)零件(jian)沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)化的(de)(de)(de)(de)(de)(de)(de)有(you)效(xiao)途徑，在(zai)汽車(che)(che)上有(you)很大(da)的(de)(de)(de)(de)(de)(de)(de)應(ying)(ying)用(yong)(yong)前景，可(ke)應(ying)(ying)用(yong)(yong)到B柱、A柱、防撞(zhuang)梁、保險杠、頂蓋(gai)縱梁、門梁及車(che)(che)頂側(ce)梁等(deng)重(zhong)(zhong)要(yao)結(jie)(jie)構(gou)件(jian)。使用(yong)(yong)超鋼(gang)板(ban)熱(re)沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)結(jie)(jie)構(gou)件(jian)，可(ke)在(zai)保證安全(quan)的(de)(de)(de)(de)(de)(de)(de)同時，為(wei)減(jian)重(zhong)(zhong)作(zuo)出(chu)(chu)貢獻(xian)。熱(re)沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)結(jie)(jie)構(gou)件(jian)在(zai)不少車(che)(che)型(xing)上都有(you)使用(yong)(yong)，①汽車(che)(che)熱(re)沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)結(jie)(jie)構(gou)件(jian)滲透率(lv)的(de)(de)(de)(de)(de)(de)(de)逐步(bu)提升將帶動熱(re)沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)模具(ju)需(xu)求的(de)(de)(de)(de)(de)(de)(de)持續(xu)增長隨著國(guo)內居民環保意識的(de)(de)(de)(de)(de)(de)(de)增強(qiang)(qiang)，以(yi)及國(guo)家(jia)關于汽車(che)(che)安全(quan)和(he)(he)節能減(jian)排等(deng)強(qiang)(qiang)制法規(gui)的(de)(de)(de)(de)(de)(de)(de)推出(chu)(chu)和(he)(he)執行，節能、環保和(he)(he)安全(quan)已(yi)成(cheng)為(wei)汽車(che)(che)設(she)計和(he)(he)生產(chan)過程中必須考慮(lv)的(de)(de)(de)(de)(de)(de)(de)因素(su)；熱(re)沖(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)超度(du)鋼(gang)板(ban)可(ke)在(zai)保證汽車(che)(che)安全(quan)性(xing)能的(de)(de)(de)(de)(de)(de)(de)基礎上，減(jian)低油(you)耗、提高(gao)乘車(che)(che)舒適性(xing)。

它(ta)利用有帶齒壓(ya)(ya)(ya)料(liao)(liao)板的(de)(de)(de)(de)(de)(de)精(jing)沖(chong)(chong)(chong)(chong)(chong)(chong)模(mo)使(shi)沖(chong)(chong)(chong)(chong)(chong)(chong)件(jian)(jian)整個斷面(mian)(mian)(mian)(mian)全(quan)(quan)部或(huo)基本全(quan)(quan)部光潔(jie)。連續(xu)模(mo)是(shi)(shi)具(ju)有兩個或(huo)更多(duo)工(gong)(gong)(gong)位的(de)(de)(de)(de)(de)(de)沖(chong)(chong)(chong)(chong)(chong)(chong)模(mo)，材(cai)(cai)料(liao)(liao)隨壓(ya)(ya)(ya)力機(ji)行(xing)程(cheng)逐次送進(jin)一(yi)工(gong)(gong)(gong)位，從而(er)(er)使(shi)沖(chong)(chong)(chong)(chong)(chong)(chong)件(jian)(jian)逐步(bu)成(cheng)形(xing)(xing)(xing)(xing)(xing)。單工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)模(mo)單工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)模(mo)是(shi)(shi)在(zai)壓(ya)(ya)(ya)力機(ji)一(yi)次行(xing)程(cheng)中只完成(cheng)一(yi)道工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)的(de)(de)(de)(de)(de)(de)沖(chong)(chong)(chong)(chong)(chong)(chong)模(mo)。組合(he)沖(chong)(chong)(chong)(chong)(chong)(chong)模(mo)是(shi)(shi)按幾何要素（直(zhi)線(xian)、角(jiao)度、圓(yuan)(yuan)(yuan)弧、孔）逐副逐步(bu)形(xing)(xing)(xing)(xing)(xing)成(cheng)各種沖(chong)(chong)(chong)(chong)(chong)(chong)件(jian)(jian)的(de)(de)(de)(de)(de)(de)通用、可調(diao)式成(cheng)套沖(chong)(chong)(chong)(chong)(chong)(chong)模(mo)。平面(mian)(mian)(mian)(mian)狀(zhuang)沖(chong)(chong)(chong)(chong)(chong)(chong)件(jian)(jian)的(de)(de)(de)(de)(de)(de)外形(xing)(xing)(xing)(xing)(xing)輪廓一(yi)般(ban)需要幾副組合(he)沖(chong)(chong)(chong)(chong)(chong)(chong)模(mo)分(fen)次沖(chong)(chong)(chong)(chong)(chong)(chong)成(cheng)。壓(ya)(ya)(ya)凸(tu)是(shi)(shi)用凸(tu)模(mo)擠入工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)件(jian)(jian)一(yi)面(mian)(mian)(mian)(mian)，迫使(shi)材(cai)(cai)料(liao)(liao)流入對(dui)面(mian)(mian)(mian)(mian)凹坑以(yi)形(xing)(xing)(xing)(xing)(xing)成(cheng)凸(tu)起的(de)(de)(de)(de)(de)(de)一(yi)種沖(chong)(chong)(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)。壓(ya)(ya)(ya)花(hua)是(shi)(shi)強行(xing)局部排擠材(cai)(cai)料(liao)(liao)，在(zai)工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)件(jian)(jian)表面(mian)(mian)(mian)(mian)形(xing)(xing)(xing)(xing)(xing)成(cheng)淺凹花(hua)紋，圖(tu)案、文字或(huo)符號的(de)(de)(de)(de)(de)(de)一(yi)種沖(chong)(chong)(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)。被(bei)壓(ya)(ya)(ya)花(hua)表面(mian)(mian)(mian)(mian)的(de)(de)(de)(de)(de)(de)背(bei)面(mian)(mian)(mian)(mian)并無(wu)對(dui)應于(yu)淺凹的(de)(de)(de)(de)(de)(de)凸(tu)起。成(cheng)形(xing)(xing)(xing)(xing)(xing)是(shi)(shi)依靠(kao)材(cai)(cai)料(liao)(liao)流動而(er)(er)不依靠(kao)材(cai)(cai)料(liao)(liao)分(fen)離使(shi)工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)件(jian)(jian)改(gai)變(bian)形(xing)(xing)(xing)(xing)(xing)狀(zhuang)和尺寸的(de)(de)(de)(de)(de)(de)沖(chong)(chong)(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)的(de)(de)(de)(de)(de)(de)統(tong)稱(cheng)。光潔(jie)沖(chong)(chong)(chong)(chong)(chong)(chong)裁(cai)是(shi)(shi)不經(jing)整修直(zhi)接獲得整個斷面(mian)(mian)(mian)(mian)全(quan)(quan)部或(huo)基本全(quan)(quan)部光潔(jie)的(de)(de)(de)(de)(de)(de)沖(chong)(chong)(chong)(chong)(chong)(chong)裁(cai)工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)。扭(niu)彎是(shi)(shi)將平直(zhi)或(huo)局部平直(zhi)工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)件(jian)(jian)的(de)(de)(de)(de)(de)(de)一(yi)部分(fen)相對(dui)另一(yi)部分(fen)扭(niu)轉一(yi)定角(jiao)度的(de)(de)(de)(de)(de)(de)沖(chong)(chong)(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)。卷(juan)邊(bian)是(shi)(shi)將工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)件(jian)(jian)邊(bian)緣(yuan)(yuan)卷(juan)成(cheng)接近封閉圓(yuan)(yuan)(yuan)形(xing)(xing)(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)一(yi)種沖(chong)(chong)(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)。卷(juan)邊(bian)圓(yuan)(yuan)(yuan)形(xing)(xing)(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)軸線(xian)呈直(zhi)線(xian)形(xing)(xing)(xing)(xing)(xing)。卷(juan)緣(yuan)(yuan)是(shi)(shi)將空心件(jian)(jian)上口(kou)邊(bian)緣(yuan)(yuan)卷(juan)成(cheng)接近封閉圓(yuan)(yuan)(yuan)形(xing)(xing)(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)一(yi)種沖(chong)(chong)(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)。拉延(yan)是(shi)(shi)把平直(zhi)毛料(liao)(liao)或(huo)工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)件(jian)(jian)變(bian)為(wei)曲面(mian)(mian)(mian)(mian)形(xing)(xing)(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)一(yi)種沖(chong)(chong)(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)工(gong)(gong)(gong)序(xu)(xu)(xu)(xu)(xu)(xu)。曲面(mian)(mian)(mian)(mian)主(zhu)要依靠(kao)位于(yu)凸(tu)模(mo)底(di)部材(cai)(cai)料(liao)(liao)的(de)(de)(de)(de)(de)(de)延(yan)伸形(xing)(xing)(xing)(xing)(xing)成(cheng)。沖(chong)(chong)(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)模(mo)具(ju)材(cai)(cai)料(liao)(liao)表面(mian)(mian)(mian)(mian)應光潔(jie)平整，無(wu)缺陷損傷。表面(mian)(mian)(mian)(mian)質量好的(de)(de)(de)(de)(de)(de)材(cai)(cai)料(liao)(liao)，成(cheng)型時不易破裂(lie)。

沖壓(ya)(ya)主要(yao)是(shi)(shi)(shi)按工(gong)(gong)藝分(fen)(fen)(fen)類，可(ke)分(fen)(fen)(fen)為(wei)分(fen)(fen)(fen)離(li)工(gong)(gong)序和(he)成(cheng)(cheng)(cheng)(cheng)形(xing)(xing)工(gong)(gong)序兩大類。分(fen)(fen)(fen)離(li)工(gong)(gong)序也稱(cheng)沖裁，其目的(de)(de)(de)(de)是(shi)(shi)(shi)使(shi)沖壓(ya)(ya)件(jian)沿一定輪廓線從(cong)板(ban)料(liao)上分(fen)(fen)(fen)離(li)，同(tong)時保證分(fen)(fen)(fen)離(li)斷面的(de)(de)(de)(de)質量(liang)要(yao)求。成(cheng)(cheng)(cheng)(cheng)形(xing)(xing)工(gong)(gong)序的(de)(de)(de)(de)目的(de)(de)(de)(de)是(shi)(shi)(shi)使(shi)板(ban)料(liao)在(zai)不破(po)坯的(de)(de)(de)(de)條件(jian)下發(fa)生塑性(xing)變形(xing)(xing)，制成(cheng)(cheng)(cheng)(cheng)所需形(xing)(xing)狀和(he)尺寸的(de)(de)(de)(de)工(gong)(gong)件(jian)。在(zai)實際(ji)生產中(zhong)(zhong)，常常是(shi)(shi)(shi)多(duo)種工(gong)(gong)序綜合應(ying)用(yong)于一個工(gong)(gong)件(jian)。沖裁、彎曲(qu)、剪切(qie)、拉(la)(la)伸、脹形(xing)(xing)、旋壓(ya)(ya)、矯正是(shi)(shi)(shi)幾(ji)種主要(yao)的(de)(de)(de)(de)沖壓(ya)(ya)工(gong)(gong)藝沖是(shi)(shi)(shi)使(shi)用(yong)模(mo)(mo)具(ju)分(fen)(fen)(fen)離(li)材料(liao)的(de)(de)(de)(de)一種基(ji)本沖壓(ya)(ya)工(gong)(gong)序，它可(ke)以直接(jie)制成(cheng)(cheng)(cheng)(cheng)平板(ban)零件(jian)或為(wei)其他沖壓(ya)(ya)工(gong)(gong)序如彎曲(qu)、拉(la)(la)深、成(cheng)(cheng)(cheng)(cheng)形(xing)(xing)等準備毛(mao)坯，也可(ke)以在(zai)已成(cheng)(cheng)(cheng)(cheng)形(xing)(xing)的(de)(de)(de)(de)沖壓(ya)(ya)件(jian)上進(jin)行(xing)切(qie)口、修邊等。連續模(mo)(mo)（又稱(cheng)級進(jin)模(mo)(mo)、跳步模(mo)(mo)）是(shi)(shi)(shi)指(zhi)壓(ya)(ya)力機在(zai)一次(ci)(ci)行(xing)程(cheng)中(zhong)(zhong)，依次(ci)(ci)在(zai)幾(ji)個不同(tong)的(de)(de)(de)(de)位(wei)置上，同(tong)時完成(cheng)(cheng)(cheng)(cheng)多(duo)道工(gong)(gong)序的(de)(de)(de)(de)沖模(mo)(mo)。海寧耐(nai)用(yong)沖壓(ya)(ya)模(mo)(mo)具(ju)廠家(jia)

沖壓靠(kao)壓力(li)機和模(mo)具完成加工過程,操(cao)作簡便,生產效率高(gao)。海寧本地沖壓模(mo)具供應商

術語“橫(heng)向(xiang)(xiang)”、“縱向(xiang)(xiang)”、“上(shang)”、“下”、“前”、“后”、“左(zuo)”、“右”、“豎直(zhi)”、“水平”、“頂”、“底”、“內(nei)”、“外(wai)”等指示(shi)的(de)(de)方(fang)位(wei)或位(wei)置關(guan)系(xi)為(wei)(wei)(wei)基于(yu)附圖所(suo)(suo)(suo)示(shi)的(de)(de)方(fang)位(wei)或位(wei)置關(guan)系(xi)，是為(wei)(wei)(wei)了便于(yu)描述(shu)(shu)(shu)本實(shi)(shi)用(yong)(yong)新(xin)型(xing)(xing)和簡化描述(shu)(shu)(shu)，并(bing)不(bu)是指示(shi)或暗示(shi)所(suo)(suo)(suo)指的(de)(de)裝置或元件必須(xu)具(ju)(ju)(ju)(ju)有特定(ding)的(de)(de)方(fang)位(wei)、以(yi)特定(ding)的(de)(de)方(fang)位(wei)構造和操(cao)作，因(yin)此不(bu)能理(li)解(jie)為(wei)(wei)(wei)對(dui)(dui)本實(shi)(shi)用(yong)(yong)新(xin)型(xing)(xing)的(de)(de)限(xian)制。如圖1-2所(suo)(suo)(suo)示(shi)，為(wei)(wei)(wei)了實(shi)(shi)現根據(ju)本實(shi)(shi)用(yong)(yong)新(xin)型(xing)(xing)的(de)(de)這些目的(de)(de)和其它優點，提(ti)供(gong)了沖(chong)(chong)(chong)(chong)壓(ya)(ya)模(mo)(mo)具(ju)(ju)(ju)(ju)連(lian)接(jie)(jie)裝置，包(bao)括沖(chong)(chong)(chong)(chong)壓(ya)(ya)臺1以(yi)及間(jian)隔設(she)(she)置在(zai)(zai)沖(chong)(chong)(chong)(chong)壓(ya)(ya)臺1內(nei)的(de)(de)若干(gan)(gan)(gan)沖(chong)(chong)(chong)(chong)壓(ya)(ya)槽2，每(mei)個沖(chong)(chong)(chong)(chong)壓(ya)(ya)槽2內(nei)都設(she)(she)置有可(ke)拆卸(xie)的(de)(de)沖(chong)(chong)(chong)(chong)壓(ya)(ya)模(mo)(mo)具(ju)(ju)(ju)(ju)3，還包(bao)括用(yong)(yong)于(yu)連(lian)接(jie)(jie)固定(ding)每(mei)個所(suo)(suo)(suo)述(shu)(shu)(shu)沖(chong)(chong)(chong)(chong)壓(ya)(ya)模(mo)(mo)具(ju)(ju)(ju)(ju)3的(de)(de)若干(gan)(gan)(gan)連(lian)接(jie)(jie)件；所(suo)(suo)(suo)述(shu)(shu)(shu)若干(gan)(gan)(gan)連(lian)接(jie)(jie)件均(jun)(jun)(jun)包(bao)括，十字形連(lian)接(jie)(jie)主(zhu)(zhu)桿(gan)5，其位(wei)于(yu)相(xiang)(xiang)鄰兩沖(chong)(chong)(chong)(chong)壓(ya)(ya)模(mo)(mo)具(ju)(ju)(ju)(ju)3之間(jian)的(de)(de)中部，所(suo)(suo)(suo)述(shu)(shu)(shu)十字形連(lian)接(jie)(jie)主(zhu)(zhu)桿(gan)5包(bao)括沿橫(heng)向(xiang)(xiang)、縱向(xiang)(xiang)設(she)(she)置的(de)(de)互相(xiang)(xiang)垂(chui)直(zhi)的(de)(de)橫(heng)桿(gan)6和豎桿(gan)7，所(suo)(suo)(suo)述(shu)(shu)(shu)橫(heng)桿(gan)6的(de)(de)兩端分別相(xiang)(xiang)抵于(yu)對(dui)(dui)應(ying)側(ce)(ce)所(suo)(suo)(suo)述(shu)(shu)(shu)沖(chong)(chong)(chong)(chong)壓(ya)(ya)模(mo)(mo)具(ju)(ju)(ju)(ju)3的(de)(de)外(wai)側(ce)(ce)壁(bi)中段(duan)位(wei)置，所(suo)(suo)(suo)述(shu)(shu)(shu)豎桿(gan)7的(de)(de)頂端固定(ding)連(lian)接(jie)(jie)在(zai)(zai)所(suo)(suo)(suo)述(shu)(shu)(shu)沖(chong)(chong)(chong)(chong)壓(ya)(ya)臺1的(de)(de)內(nei)側(ce)(ce)頂壁(bi)上(shang)，所(suo)(suo)(suo)述(shu)(shu)(shu)豎桿(gan)7的(de)(de)下段(duan)位(wei)于(yu)一對(dui)(dui)相(xiang)(xiang)鄰兩沖(chong)(chong)(chong)(chong)壓(ya)(ya)模(mo)(mo)具(ju)(ju)(ju)(ju)3的(de)(de)外(wai)側(ce)(ce)面(mian)水平設(she)(she)置一對(dui)(dui)連(lian)接(jie)(jie)分桿(gan)8，所(suo)(suo)(suo)述(shu)(shu)(shu)連(lian)接(jie)(jie)分桿(gan)8遠離豎桿(gan)7的(de)(de)一端均(jun)(jun)(jun)設(she)(she)置一l型(xing)(xing)支撐(cheng)件9；所(suo)(suo)(suo)述(shu)(shu)(shu)l型(xing)(xing)支撐(cheng)件9均(jun)(jun)(jun)為(wei)(wei)(wei)一橫(heng)板和一豎板的(de)(de)側(ce)(ce)邊互相(xiang)(xiang)垂(chui)直(zhi)焊接(jie)(jie)。海寧本地沖(chong)(chong)(chong)(chong)壓(ya)(ya)模(mo)(mo)具(ju)(ju)(ju)(ju)供(gong)應(ying)商

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