沖(chong)壓(ya)(ya)件(jian)(jian)(jian)(jian)具有(you)(you)較(jiao)高的(de)(de)(de)(de)(de)尺寸精度，同模(mo)(mo)件(jian)(jian)(jian)(jian)尺寸均勻一(yi)致，有(you)(you)較(jiao)好的(de)(de)(de)(de)(de)互換性(xing)。不(bu)需要(yao)進(jin)一(yi)步機械加(jia)工(gong)(gong)(gong)即可滿足一(yi)般(ban)的(de)(de)(de)(de)(de)裝配和(he)使用要(yao)求(qiu)。③沖(chong)壓(ya)(ya)件(jian)(jian)(jian)(jian)在沖(chong)壓(ya)(ya)過(guo)程中，由于材料(liao)(liao)的(de)(de)(de)(de)(de)表面不(bu)受破(po)壞，故有(you)(you)較(jiao)好的(de)(de)(de)(de)(de)表面質量，外觀光滑(hua)美觀，這為(wei)表面噴漆、電(dian)鍍、磷化及其(qi)他表面處理提供了方(fang)(fang)便條件(jian)(jian)(jian)(jian)。沖(chong)壓(ya)(ya)件(jian)(jian)(jian)(jian)是(shi)借助于常規或沖(chong)壓(ya)(ya)設(she)備(bei)(bei)的(de)(de)(de)(de)(de)動(dong)力(li)(li)(li)，使板料(liao)(liao)在模(mo)(mo)具里(li)直接受到(dao)變(bian)形力(li)(li)(li)并進(jin)行變(bian)形，從而獲得一(yi)定形狀,尺寸和(he)性(xing)能的(de)(de)(de)(de)(de)產(chan)品零件(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)生產(chan)技術。板料(liao)(liao)，模(mo)(mo)具和(he)設(she)備(bei)(bei)是(shi)沖(chong)壓(ya)(ya)加(jia)工(gong)(gong)(gong)的(de)(de)(de)(de)(de)三要(yao)素(su)。沖(chong)壓(ya)(ya)加(jia)工(gong)(gong)(gong)是(shi)一(yi)種金(jin)屬(shu)(shu)冷變(bian)形加(jia)工(gong)(gong)(gong)方(fang)(fang)法。所(suo)以，被稱(cheng)之(zhi)為(wei)冷沖(chong)壓(ya)(ya)或板料(liao)(liao)沖(chong)壓(ya)(ya)，簡稱(cheng)沖(chong)壓(ya)(ya)。它是(shi)金(jin)屬(shu)(shu)塑性(xing)加(jia)工(gong)(gong)(gong)（或壓(ya)(ya)力(li)(li)(li)加(jia)工(gong)(gong)(gong)）的(de)(de)(de)(de)(de)主(zhu)要(yao)方(fang)(fang)法之(zhi)一(yi)，也隸(li)屬(shu)(shu)于材料(liao)(liao)成(cheng)(cheng)(cheng)型工(gong)(gong)(gong)程技術。環球的(de)(de)(de)(de)(de)鋼材中，有(you)(you)50～60%是(shi)板材制成(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)，此(ci)中大(da)(da)部分(fen)是(shi)經過(guo)沖(chong)壓(ya)(ya)榨成(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)成(cheng)(cheng)(cheng)品。汽車的(de)(de)(de)(de)(de)車身、散熱器(qi)片，汽鍋的(de)(de)(de)(de)(de)汽包(bao)、容器(qi)的(de)(de)(de)(de)(de)殼體(ti)、電(dian)機、電(dian)器(qi)的(de)(de)(de)(de)(de)鐵芯(xin)硅鋼片等但凡沖(chong)壓(ya)(ya)加(jia)工(gong)(gong)(gong)的(de)(de)(de)(de)(de)。儀(yi)器(qi)儀(yi)表、家用電(dian)器(qi)、辦(ban)公呆板、保管器(qi)皿等產(chan)品中，也有(you)(you)大(da)(da)量沖(chong)壓(ya)(ya)件(jian)(jian)(jian)(jian)。沖(chong)壓(ya)(ya)是(shi)高效的(de)(de)(de)(de)(de)舉措，采取復合模(mo)(mo)，異常是(shi)多(duo)工(gong)(gong)(gong)位級進(jin)模(mo)(mo)，可在一(yi)臺壓(ya)(ya)力(li)(li)(li)機上完(wan)成(cheng)(cheng)(cheng)多(duo)道沖(chong)壓(ya)(ya)技術操作，完(wan)成(cheng)(cheng)(cheng)材料(liao)(liao)的(de)(de)(de)(de)(de)自動(dong)生成(cheng)(cheng)(cheng)。生成(cheng)(cheng)(cheng)速度快(kuai)，休息時(shi)間長(chang)，臨蓐(ru)成(cheng)(cheng)(cheng)本低(di)，集(ji)體(ti)每分(fen)鐘可臨蓐(ru)數百件(jian)(jian)(jian)(jian)，受到(dao)許多(duo)加(jia)工(gong)(gong)(gong)廠的(de)(de)(de)(de)(de)喜愛。拉深(shen)件(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)結構形狀應(ying)盡量簡單(dan)、對稱(cheng)，由于軸對稱(cheng)拉深(shen)件(jian)(jian)(jian)(jian)在圓(yuan)角方(fang)(fang)向上變(bian)形均勻，模(mo)(mo)具加(jia)工(gong)(gong)(gong)容易，因此(ci)工(gong)(gong)(gong)藝(yi)性(xing)好。海寧精密五金(jin)沖(chong)壓(ya)(ya)件(jian)(jian)(jian)(jian)電(dian)話

分(fen)(fen)離(li)工(gong)(gong)序利(li)用模(mo)(mo)具(ju)使材料(liao)(liao)產生(sheng)分(fen)(fen)離(li)的(de)(de)(de)工(gong)(gong)序,通(tong)常包(bao)括落(luo)料(liao)(liao),沖(chong)孔,切(qie)邊(bian)(bian),切(qie)斷等(deng)(deng)(deng)(deng),變(bian)(bian)(bian)形(xing)(xing)(xing)過程(cheng):彈性(xing)(xing)變(bian)(bian)(bian)形(xing)(xing)(xing)→塑性(xing)(xing)變(bian)(bian)(bian)形(xing)(xing)(xing)→斷裂(lie)分(fen)(fen)離(li)沖(chong)裁模(mo)(mo)的(de)(de)(de)刃口鋒利(li),凸凹(ao)模(mo)(mo)的(de)(de)(de)間(jian)隙(xi)小(xiao)沖(chong)裁模(mo)(mo)間(jian)隙(xi)是一(yi)個重要(yao)(yao)(yao)(yao)的(de)(de)(de)參(can)數小(xiao):沖(chong)裁,脫料(liao)(liao)力增大(da)(da)(da),模(mo)(mo)具(ju)磨損加(jia)劇(ju),降(jiang)低模(mo)(mo)具(ju)壽(shou)命,但有(you)(you)(you)(you)利(li)于減(jian)小(xiao)批鋒，翹曲(qu)等(deng)(deng)(deng)(deng)缺陷大(da)(da)(da):易產生(sheng)批鋒,翹曲(qu)等(deng)(deng)(deng)(deng)缺陷,尺寸不(bu)穩定通(tong)常根據(ju)零件(jian)的(de)(de)(de)斷面質量(liang),模(mo)(mo)具(ju)壽(shou)命,沖(chong)壓(ya)(ya)力等(deng)(deng)(deng)(deng)來選擇(例如(ru):中碳鋼(gang)I級(ji)10~18t%，II級(ji)18~25t%)。覆蓋(gai)件(jian)的(de)(de)(de)含義(yi):覆蓋(gai)件(jian)主要(yao)(yao)(yao)(yao)指(zhi)覆蓋(gai)汽車(che)(che)發(fa)動機(ji)和(he)底盤(pan)、構成(cheng)駕駛室和(he)車(che)(che)身的(de)(de)(de)一(yi)些(xie)零件(jian)，如(ru)轎(jiao)車(che)(che)的(de)(de)(de)擋泥板、頂蓋(gai)、車(che)(che)門外板、發(fa)動機(ji)蓋(gai)、水箱蓋(gai)、行李箱蓋(gai)等(deng)(deng)(deng)(deng)。由于覆蓋(gai)件(jian)的(de)(de)(de)結構尺寸較(jiao)大(da)(da)(da)，所以也稱為大(da)(da)(da)型覆蓋(gai)件(jian)。覆蓋(gai)件(jian)成(cheng)形(xing)(xing)(xing)工(gong)(gong)序:覆蓋(gai)件(jian)的(de)(de)(de)主要(yao)(yao)(yao)(yao)沖(chong)壓(ya)(ya)工(gong)(gong)序有(you)(you)(you)(you):落(luo)料(liao)(liao)、拉(la)深、校形(xing)(xing)(xing)、修邊(bian)(bian)、切(qie)斷、翻邊(bian)(bian)、沖(chong)孔等(deng)(deng)(deng)(deng)。覆蓋(gai)件(jian)的(de)(de)(de)結構特(te)征(zheng)和(he)一(yi)般沖(chong)壓(ya)(ya)件(jian)相比，覆蓋(gai)件(jian)具(ju)有(you)(you)(you)(you)材料(liao)(liao)薄、形(xing)(xing)(xing)狀復雜、多(duo)為空(kong)間(jian)曲(qu)面且曲(qu)面間(jian)有(you)(you)(you)(you)較(jiao)高的(de)(de)(de)連(lian)接要(yao)(yao)(yao)(yao)求、結構尺寸較(jiao)大(da)(da)(da)、表面質量(liang)要(yao)(yao)(yao)(yao)求高、剛性(xing)(xing)好等(deng)(deng)(deng)(deng)特(te)點。南湖區定制加(jia)工(gong)(gong)沖(chong)壓(ya)(ya)件(jian)選擇變(bian)(bian)(bian)形(xing)(xing)(xing)工(gong)(gong)序:使坯料(liao)(liao)的(de)(de)(de)一(yi)部分(fen)(fen)相對于另一(yi)部分(fen)(fen)產生(sheng)位移而不(bu)破裂(lie)的(de)(de)(de)工(gong)(gong)序。

根據每個零(ling)(ling)(ling)部(bu)(bu)件(jian)(jian)(jian)(jian)的(de)(de)作用(yong)、要求(qiu)，沖壓(ya)模(mo)(mo)主要由工藝性零(ling)(ling)(ling)件(jian)(jian)(jian)(jian)與(yu)結構性零(ling)(ling)(ling)件(jian)(jian)(jian)(jian)兩大類(lei)組成。一(yi)、工藝性零(ling)(ling)(ling)件(jian)(jian)(jian)(jian)直(zhi)接完(wan)成沖壓(ya)工序，即(ji)與(yu)材料(liao)或(huo)沖壓(ya)件(jian)(jian)(jian)(jian)發(fa)生直(zhi)接接觸的(de)(de)零(ling)(ling)(ling)件(jian)(jian)(jian)(jian)。如成形零(ling)(ling)(ling)件(jian)(jian)(jian)(jian)（凸模(mo)(mo)、凹模(mo)(mo)）、定位(wei)(wei)零(ling)(ling)(ling)件(jian)(jian)(jian)(jian)（定向(xiang)板(ban)、定位(wei)(wei)銷(xiao)）、壓(ya)料(liao)零(ling)(ling)(ling)件(jian)(jian)(jian)(jian)（壓(ya)料(liao)圈(quan)）等(deng)。二、結構性零(ling)(ling)(ling)件(jian)(jian)(jian)(jian)在模(mo)(mo)具中(zhong)起安裝(zhuang)、組合、導向(xiang)作用(yong)的(de)(de)零(ling)(ling)(ling)件(jian)(jian)(jian)(jian)。如支撐零(ling)(ling)(ling)件(jian)(jian)(jian)(jian)（上(shang)、下模(mo)(mo)座(zuo)、凸、凹模(mo)(mo)固定板(ban)）、導向(xiang)零(ling)(ling)(ling)件(jian)(jian)(jian)(jian)（導柱、導套）及緊固零(ling)(ling)(ling)件(jian)(jian)(jian)(jian)等(deng)。一(yi)般來(lai)說(shuo)，汽車(che)模(mo)(mo)具結構主要包括以下幾部(bu)(bu)分(fen)(fen)：上(shang)模(mo)(mo)座(zuo)、下模(mo)(mo)座(zuo)、壓(ya)料(liao)圈(quan)、凸模(mo)(mo)部(bu)(bu)分(fen)(fen)、凹模(mo)(mo)部(bu)(bu)分(fen)(fen)、各類(lei)鑲塊、各類(lei)斜契吊契、定向(xiang)板(ban)、定位(wei)(wei)銷(xiao)、定向(xiang)導柱導套、限位(wei)(wei)裝(zhuang)置、安全裝(zhuang)置、擋(dang)料(liao)板(ban)、廢料(liao)槽(cao)以及各種標(biao)準件(jian)(jian)(jian)(jian)等(deng)。

汽車(che)(che)制(zhi)造中60%—70%的(de)(de)(de)(de)金(jin)(jin)屬(shu)零(ling)部(bu)件(jian)(jian)(jian)需(xu)沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)加工(gong)(gong)成形，據統(tong)計(ji)(ji)，制(zhi)造一輛(liang)普通(tong)(tong)轎車(che)(che)平(ping)均(jun)需(xu)要(yao)(yao)約1500個沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)件(jian)(jian)(jian)。沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)是(shi)基本(ben)、傳統(tong)、重要(yao)(yao)的(de)(de)(de)(de)金(jin)(jin)屬(shu)加工(gong)(gong)方(fang)法之一，車(che)(che)身上(shang)各種覆蓋件(jian)(jian)(jian)，車(che)(che)內支撐件(jian)(jian)(jian)，結(jie)構加強件(jian)(jian)(jian)，還有大量的(de)(de)(de)(de)汽車(che)(che)零(ling)部(bu)件(jian)(jian)(jian)，如發動機(ji)(ji)(ji)的(de)(de)(de)(de)排氣彎(wan)管(guan)及消聲器，空心凸輪軸，油底(di)殼，發動機(ji)(ji)(ji)支架(jia)(jia)，框架(jia)(jia)結(jie)構件(jian)(jian)(jian)，橫縱梁等(deng)都屬(shu)于(yu)沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)件(jian)(jian)(jian)。沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)為(wei)關鍵的(de)(de)(de)(de)兩個東西就(jiu)是(shi)沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)模具(ju)與(yu)沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)設(she)(she)備(bei)(bei)(bei)，，我們就(jiu)來說說沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)模具(ju)。沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)模具(ju)用通(tong)(tong)俗的(de)(de)(de)(de)五金(jin)(jin)沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)件(jian)(jian)(jian)模具(ju)設(she)(she)計(ji)(ji)知識【銳(rui)碩】五金(jin)(jin)沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)件(jian)(jian)(jian)，在定(ding)制(zhi)之前(qian)，需(xu)要(yao)(yao)先定(ding)制(zhi)沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)模具(ju)，而沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)模具(ju)在加工(gong)(gong)之前(qian)，就(jiu)需(xu)要(yao)(yao)設(she)(she)計(ji)(ji)師們，先針(zhen)對(dui)沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)件(jian)(jian)(jian)的(de)(de)(de)(de)各種要(yao)(yao)求(qiu)進(jin)行模具(ju)的(de)(de)(de)(de)設(she)(she)計(ji)(ji)。了(le)解關于(yu)設(she)(she)計(ji)(ji)的(de)(de)(de)(de)知識：1、設(she)(she)計(ji)(ji)的(de)(de)(de)(de)沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)件(jian)(jian)(jian)，應有利于(yu)盡(jin)(jin)可(ke)(ke)能(neng)地使(shi)(shi)用現有設(she)(she)備(bei)(bei)(bei)、工(gong)(gong)藝裝備(bei)(bei)(bei)以及工(gong)(gong)藝流程對(dui)它(ta)進(jin)行加工(gong)(gong)，并有利于(yu)沖(chong)(chong)(chong)(chong)模使(shi)(shi)用壽命(ming)延長。2、設(she)(she)計(ji)(ji)的(de)(de)(de)(de)沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)件(jian)(jian)(jian)要(yao)(yao)滿足產(chan)(chan)品使(shi)(shi)用和技術性能(neng)，并能(neng)便于(yu)組裝和修(xiu)配。3、設(she)(she)計(ji)(ji)的(de)(de)(de)(de)沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)件(jian)(jian)(jian)要(yao)(yao)有利于(yu)提(ti)升金(jin)(jin)屬(shu)材(cai)料的(de)(de)(de)(de)利用率，減少材(cai)料品種、規格，盡(jin)(jin)可(ke)(ke)能(neng)地降低高(gao)速(su)(su)精密(mi)沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)件(jian)(jian)(jian)自(zi)動化(hua)生產(chan)(chan)的(de)(de)(de)(de)現狀及趨勢高(gao)速(su)(su)精密(mi)沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)件(jian)(jian)(jian)設(she)(she)備(bei)(bei)(bei)是(shi)包括高(gao)速(su)(su)壓(ya)(ya)(ya)(ya)力(li)(li)機(ji)(ji)(ji)與(yu)高(gao)速(su)(su)壓(ya)(ya)(ya)(ya)力(li)(li)機(ji)(ji)(ji)配套的(de)(de)(de)(de)自(zi)動化(hua)周邊(bian)設(she)(she)備(bei)(bei)(bei)及檢測設(she)(she)備(bei)(bei)(bei)的(de)(de)(de)(de)統(tong)稱。高(gao)速(su)(su)壓(ya)(ya)(ya)(ya)力(li)(li)機(ji)(ji)(ji)用于(yu)精密(mi)零(ling)件(jian)(jian)(jian)的(de)(de)(de)(de)高(gao)速(su)(su)沖(chong)(chong)(chong)(chong)壓(ya)(ya)(ya)(ya)。對(dui)于(yu)精度要(yao)(yao)求(qiu)較高(gao)的(de)(de)(de)(de)彎(wan)曲件(jian)(jian)(jian)必須(xu)嚴格控制(zhi)材(cai)料的(de)(de)(de)(de)厚度公差。

隨著生(sheng)(sheng)活(huo)品質(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)提高(gao)，五(wu)金(jin)(jin)沖(chong)壓(ya)(ya)(ya)件(jian)已(yi)(yi)經(jing)深入(ru)各(ge)個領域，不(bu)論是工(gong)(gong)業生(sheng)(sheng)產(chan)還(huan)(huan)是日常(chang)生(sheng)(sheng)活(huo)，很多(duo)地方都會用到(dao)各(ge)種五(wu)金(jin)(jin)沖(chong)壓(ya)(ya)(ya)件(jian)，它(ta)已(yi)(yi)經(jing)跟我們的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)生(sheng)(sheng)活(huo)息息相關，不(bu)可(ke)分(fen)(fen)離。五(wu)金(jin)(jin)加(jia)(jia)工(gong)(gong)廠(chang)在生(sheng)(sheng)產(chan)五(wu)金(jin)(jin)沖(chong)壓(ya)(ya)(ya)件(jian)時(shi)需(xu)要(yao)(yao)(yao)哪(na)些工(gong)(gong)藝(yi)要(yao)(yao)(yao)求及(ji)技(ji)術(shu)要(yao)(yao)(yao)求才能(neng)(neng)(neng)制造出能(neng)(neng)(neng)夠(gou)滿足消費者生(sheng)(sheng)產(chan)生(sheng)(sheng)活(huo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)五(wu)金(jin)(jin)產(chan)品呢？五(wu)金(jin)(jin)沖(chong)壓(ya)(ya)(ya)件(jian)五(wu)金(jin)(jin)沖(chong)壓(ya)(ya)(ya)件(jian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)藝(yi)要(yao)(yao)(yao)求：1、五(wu)金(jin)(jin)沖(chong)壓(ya)(ya)(ya)件(jian)所(suo)用的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)材(cai)(cai)(cai)料(liao)，不(bu)僅(jin)要(yao)(yao)(yao)滿足產(chan)品設(she)計(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)技(ji)術(shu)要(yao)(yao)(yao)求，還(huan)(huan)應當滿足沖(chong)壓(ya)(ya)(ya)工(gong)(gong)藝(yi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)要(yao)(yao)(yao)求和沖(chong)壓(ya)(ya)(ya)后的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)加(jia)(jia)工(gong)(gong)要(yao)(yao)(yao)求(如(ru)切削加(jia)(jia)工(gong)(gong)、電(dian)鍍、焊接(jie)(jie)等)。2、五(wu)金(jin)(jin)沖(chong)壓(ya)(ya)(ya)件(jian)在設(she)計(ji)(ji)零(ling)件(jian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)結構形狀時(shi)，好采用結構簡單合(he)(he)理的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)表(biao)面(mian)(如(ru)平面(mian)、圓柱面(mian)、螺旋面(mian))及(ji)其組(zu)合(he)(he)，同時(shi)還(huan)(huan)應當盡量(liang)使加(jia)(jia)工(gong)(gong)表(biao)面(mian)數(shu)(shu)目少和加(jia)(jia)工(gong)(gong)面(mian)積小(xiao)。3、選(xuan)擇(ze)合(he)(he)理機械制造中毛坯制備(bei)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方法，可(ke)直接(jie)(jie)利(li)用型材(cai)(cai)(cai)、鑄(zhu)造、鍛造、沖(chong)壓(ya)(ya)(ya)和焊接(jie)(jie)等。毛坯的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)選(xuan)擇(ze)與具體的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)生(sheng)(sheng)產(chan)技(ji)術(shu)條件(jian)有(you)(you)(you)關，一般取決于(yu)(yu)(yu)生(sheng)(sheng)產(chan)批量(liang)、材(cai)(cai)(cai)料(liao)性(xing)(xing)能(neng)(neng)(neng)和加(jia)(jia)工(gong)(gong)可(ke)能(neng)(neng)(neng)性(xing)(xing)等。4、五(wu)金(jin)(jin)沖(chong)壓(ya)(ya)(ya)成形性(xing)(xing)能(neng)(neng)(neng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)要(yao)(yao)(yao)求，對(dui)于(yu)(yu)(yu)成形工(gong)(gong)序(xu)，為(wei)了有(you)(you)(you)利(li)于(yu)(yu)(yu)沖(chong)壓(ya)(ya)(ya)變形和制件(jian)質(zhi)量(liang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)提高(gao)，材(cai)(cai)(cai)料(liao)應具有(you)(you)(you)良好的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)塑性(xing)(xing)、屈強(qiang)比小(xiao)、板(ban)厚方向性(xing)(xing)系(xi)數(shu)(shu)大、板(ban)平面(mian)方向性(xing)(xing)系(xi)數(shu)(shu)小(xiao)、材(cai)(cai)(cai)料(liao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)屈服(fu)強(qiang)度與彈性(xing)(xing)模量(liang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)比值小(xiao)。對(dui)于(yu)(yu)(yu)分(fen)(fen)離工(gong)(gong)序(xu)，并(bing)不(bu)需(xu)要(yao)(yao)(yao)材(cai)(cai)(cai)料(liao)有(you)(you)(you)很好的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)塑性(xing)(xing)，但應具有(you)(you)(you)一定的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)塑性(xing)(xing)，塑性(xing)(xing)越(yue)好的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)材(cai)(cai)(cai)料(liao)，越(yue)不(bu)易分(fen)(fen)離。折彎(wan)邊上(shang)盡量(liang)不(bu)要(yao)(yao)(yao)放置(zhi)位(wei)置(zhi)精度高(gao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)沖(chong)孔，如(ru)對(dui)稱折彎(wan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)折彎(wan)邊上(shang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)孔也(ye)是對(dui)稱的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)話。嘉善沖(chong)壓(ya)(ya)(ya)件(jian)價(jia)錢

沖(chong)(chong)壓工藝可分為沖(chong)(chong)裁、彎曲、引伸、成形、冷擠壓五(wu)類。海寧精密五(wu)金沖(chong)(chong)壓件電話

覆(fu)(fu)(fu)蓋(gai)(gai)(gai)件(jian)的(de)(de)(de)成(cheng)(cheng)(cheng)形(xing)(xing)特點1.成(cheng)(cheng)(cheng)形(xing)(xing)工(gong)序多:拉(la)深(shen)(shen)(shen)(shen)(shen)為(wei)(wei)關鍵工(gong)序;2.拉(la)深(shen)(shen)(shen)(shen)(shen)是復合成(cheng)(cheng)(cheng)形(xing)(xing):常采(cai)用(yong)一次拉(la)深(shen)(shen)(shen)(shen)(shen);3.拉(la)深(shen)(shen)(shen)(shen)(shen)時(shi)變(bian)形(xing)(xing)不均勻:工(gong)藝(yi)(yi)補充、拉(la)深(shen)(shen)(shen)(shen)(shen)筋;4.大(da)(da)而(er)穩定(ding)(ding)的(de)(de)(de)壓(ya)邊(bian)力(li)(li):雙動壓(ya)機、多連(lian)桿機械(xie)壓(ya)力(li)(li)機;5.質量(liang)鋼(gang)材(cai)(cai):度(du)、高(gao)質量(liang)、抗腐(fu)蝕(shi)的(de)(de)(de)鋼(gang)板(ban)(ban);覆(fu)(fu)(fu)蓋(gai)(gai)(gai)件(jian)的(de)(de)(de)成(cheng)(cheng)(cheng)形(xing)(xing)分類汽車覆(fu)(fu)(fu)蓋(gai)(gai)(gai)件(jian)的(de)(de)(de)沖(chong)壓(ya)成(cheng)(cheng)(cheng)形(xing)(xing)分類以零件(jian)上(shang)易破裂或(huo)起(qi)皺(zhou)(zhou)部(bu)位材(cai)(cai)料(liao)的(de)(de)(de)主要變(bian)形(xing)(xing)方式(shi)為(wei)(wei)依據,并(bing)根(gen)據成(cheng)(cheng)(cheng)形(xing)(xing)零件(jian)的(de)(de)(de)外形(xing)(xing)特征、變(bian)形(xing)(xing)量(liang)大(da)(da)小(xiao)、變(bian)形(xing)(xing)特點以及對材(cai)(cai)料(liao)性能的(de)(de)(de)不同要求，可將汽車覆(fu)(fu)(fu)蓋(gai)(gai)(gai)件(jian)沖(chong)壓(ya)成(cheng)(cheng)(cheng)形(xing)(xing)分為(wei)(wei)五(wu)類:深(shen)(shen)(shen)(shen)(shen)拉(la)深(shen)(shen)(shen)(shen)(shen)成(cheng)(cheng)(cheng)形(xing)(xing)類、脹(zhang)形(xing)(xing)拉(la)深(shen)(shen)(shen)(shen)(shen)成(cheng)(cheng)(cheng)形(xing)(xing)類、淺拉(la)深(shen)(shen)(shen)(shen)(shen)成(cheng)(cheng)(cheng)形(xing)(xing)類、彎(wan)曲(qu)成(cheng)(cheng)(cheng)形(xing)(xing)類和翻邊(bian)成(cheng)(cheng)(cheng)形(xing)(xing)類。覆(fu)(fu)(fu)蓋(gai)(gai)(gai)件(jian)的(de)(de)(de)主要成(cheng)(cheng)(cheng)形(xing)(xing)障礙及其防(fang)止措施(shi)由于覆(fu)(fu)(fu)蓋(gai)(gai)(gai)件(jian)形(xing)(xing)狀(zhuang)復雜，多為(wei)(wei)非(fei)軸對稱、非(fei)回轉體的(de)(de)(de)復雜曲(qu)面形(xing)(xing)狀(zhuang)零件(jian)，因(yin)而(er)決定(ding)(ding)了拉(la)深(shen)(shen)(shen)(shen)(shen)時(shi)的(de)(de)(de)變(bian)形(xing)(xing)不均勻，所以拉(la)深(shen)(shen)(shen)(shen)(shen)時(shi)的(de)(de)(de)起(qi)皺(zhou)(zhou)和開裂是主要成(cheng)(cheng)(cheng)形(xing)(xing)障礙。1.起(qi)皺(zhou)(zhou)及防(fang)皺(zhou)(zhou)措施(shi)原因(yin):覆(fu)(fu)(fu)蓋(gai)(gai)(gai)件(jian)的(de)(de)(de)拉(la)深(shen)(shen)(shen)(shen)(shen)過程中，當板(ban)(ban)料(liao)與凸模剛開始接觸(chu)，板(ban)(ban)面內就會(hui)(hui)產(chan)生(sheng)壓(ya)應力(li)(li)，隨(sui)著拉(la)深(shen)(shen)(shen)(shen)(shen)的(de)(de)(de)進(jin)行，當壓(ya)應力(li)(li)超過允許值時(shi)，板(ban)(ban)料(liao)就會(hui)(hui)失穩起(qi)皺(zhou)(zhou)(如圖1)。防(fang)皺(zhou)(zhou)措施(shi):解決的(de)(de)(de)辦(ban)法是增加(jia)工(gong)藝(yi)(yi)補充材(cai)(cai)料(liao)或(huo)設(she)置拉(la)深(shen)(shen)(shen)(shen)(shen)筋。海(hai)寧精密五(wu)金沖(chong)壓(ya)件(jian)電話(hua)

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