高速精密沖壓件的技術特點和生產模式
2020-05-19 17:49:51 人氣：1028
1.高(gao)(gao)速(su)(su)(su)(su)精(jing)(jing)(jing)(jing)密(mi)沖(chong)(chong)(chong)壓(ya)(ya)(ya)件(jian)的(de)(de)(de)技(ji)(ji)術(shu)(shu)(shu)特點：高(gao)(gao)速(su)(su)(su)(su)精(jing)(jing)(jing)(jing)密(mi)沖(chong)(chong)(chong)壓(ya)(ya)(ya)件(jian)種類(lei)繁多(duo)、生(sheng)(sheng)產(chan)(chan)量(liang)(liang)(liang)大、精(jing)(jing)(jing)(jing)度(du)(du)高(gao)(gao)、形(xing)狀復雜，使(shi)用(yong)(yong)(yong)(yong)薄板(ban)材料(liao)且材料(liao)多(duo)樣。主(zhu)要(yao)(yao)類(lei)型的(de)(de)(de)高(gao)(gao)速(su)(su)(su)(su)精(jing)(jing)(jing)(jing)密(mi)沖(chong)(chong)(chong)壓(ya)(ya)(ya)件(jian)具(ju)有(you)(you)如下技(ji)(ji)術(shu)(shu)(shu)特點。定(ding)、轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)鐵(tie)(tie)心(xin)是(shi)電(dian)(dian)(dian)機(ji)(ji)的(de)(de)(de)重要(yao)(yao)部(bu)件(jian)，它的(de)(de)(de)質量(liang)(liang)(liang)好壞(huai)直(zhi)接(jie)影(ying)響到電(dian)(dian)(dian)機(ji)(ji)的(de)(de)(de)技(ji)(ji)術(shu)(shu)(shu)性(xing)能(neng)。傳(chuan)(chuan)(chuan)統(tong)電(dian)(dian)(dian)機(ji)(ji)定(ding)、轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)鐵(tie)(tie)心(xin)制造(zao)工(gong)藝(yi)，是(shi)用(yong)(yong)(yong)(yong)一般(ban)沖(chong)(chong)(chong)模(mo)沖(chong)(chong)(chong)壓(ya)(ya)(ya)出定(ding)、轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)沖(chong)(chong)(chong)片(pian)(pian)（散(san)片(pian)(pian)），經過齊片(pian)(pian)，再用(yong)(yong)(yong)(yong)鉚釘鉚接(jie)、扣片(pian)(pian)、氬孤焊(han)等(deng)方(fang)法制成鐵(tie)(tie)心(xin)。對(dui)于交流電(dian)(dian)(dian)機(ji)(ji)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)鐵(tie)(tie)心(xin)還需用(yong)(yong)(yong)(yong)手工(gong)扭轉(zhuan)(zhuan)(zhuan)(zhuan)出斜(xie)槽(cao)。步進(jin)(jin)電(dian)(dian)(dian)動機(ji)(ji)要(yao)(yao)求(qiu)(qiu)定(ding)、轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)鐵(tie)(tie)心(xin)磁性(xing)能(neng)和(he)厚(hou)度(du)(du)方(fang)向均(jun)(jun)勻(yun)(yun)，定(ding)子(zi)(zi)(zi)鐵(tie)(tie)心(xin)和(he)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)鐵(tie)(tie)心(xin)沖(chong)(chong)(chong)片(pian)(pian)之(zhi)(zhi)間(jian)分(fen)別要(yao)(yao)求(qiu)(qiu)旋轉(zhuan)(zhuan)(zhuan)(zhuan)一定(ding)的(de)(de)(de)角(jiao)度(du)(du)，如用(yong)(yong)(yong)(yong)傳(chuan)(chuan)(chuan)統(tong)方(fang)法制作，效(xiao)率(lv)低，精(jing)(jing)(jing)(jing)度(du)(du)很(hen)難達到技(ji)(ji)術(shu)(shu)(shu)要(yao)(yao)求(qiu)(qiu)。隨著工(gong)業(ye)生(sheng)(sheng)產(chan)(chan)技(ji)(ji)術(shu)(shu)(shu)的(de)(de)(de)不(bu)斷(duan)發展，在電(dian)(dian)(dian)機(ji)(ji)、電(dian)(dian)(dian)器(qi)(qi)(qi)等(deng)技(ji)(ji)術(shu)(shu)(shu)領域，已(yi)廣泛采(cai)(cai)用(yong)(yong)(yong)(yong)高(gao)(gao)速(su)(su)(su)(su)沖(chong)(chong)(chong)壓(ya)(ya)(ya)多(duo)工(gong)位級進(jin)(jin)模(mo)制造(zao)自動疊(die)片(pian)(pian)式結構鐵(tie)(tie)心(xin)，如各種微電(dian)(dian)(dian)機(ji)(ji)的(de)(de)(de)定(ding)、轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)鐵(tie)(tie)心(xin)，及山(shan)字形(xing)、U字形(xing)、小型變壓(ya)(ya)(ya)器(qi)(qi)(qi)鐵(tie)(tie)心(xin)等(deng)。其(qi)中定(ding)、轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)鐵(tie)(tie)心(xin)還可(ke)帶扭轉(zhuan)(zhuan)(zhuan)(zhuan)疊(die)斜(xie)槽(cao)，沖(chong)(chong)(chong)片(pian)(pian)之(zhi)(zhi)間(jian)帶大角(jiao)度(du)(du)回轉(zhuan)(zhuan)(zhuan)(zhuan)疊(die)鉚結構等(deng)。與普通(tong)沖(chong)(chong)(chong)模(mo)相比，多(duo)工(gong)位級進(jin)(jin)模(mo)具(ju)有(you)(you)沖(chong)(chong)(chong)壓(ya)(ya)(ya)精(jing)(jing)(jing)(jing)度(du)(du)高(gao)(gao)、生(sheng)(sheng)產(chan)(chan)效(xiao)率(lv)高(gao)(gao)、使(shi)用(yong)(yong)(yong)(yong)壽命(ming)長、所(suo)沖(chong)(chong)(chong)壓(ya)(ya)(ya)鐵(tie)(tie)心(xin)尺寸精(jing)(jing)(jing)(jing)度(du)(du)一致性(xing)好、容易(yi)實現(xian)自動化、適合大批量(liang)(liang)(liang)生(sheng)(sheng)產(chan)(chan)等(deng)優點，是(shi)微電(dian)(dian)(dian)機(ji)(ji)行(xing)(xing)業(ye)精(jing)(jing)(jing)(jing)密(mi)模(mo)具(ju)發展的(de)(de)(de)方(fang)向。電(dian)(dian)(dian)子(zi)(zi)(zi)沖(chong)(chong)(chong)壓(ya)(ya)(ya)件(jian)種類(lei)多(duo)，結構也為(wei)復雜。電(dian)(dian)(dian)子(zi)(zi)(zi)類(lei)沖(chong)(chong)(chong)壓(ya)(ya)(ya)件(jian)一般(ban)精(jing)(jing)(jing)(jing)度(du)(du)要(yao)(yao)求(qiu)(qiu)都比較高(gao)(gao)，同時還要(yao)(yao)求(qiu)(qiu)沖(chong)(chong)(chong)壓(ya)(ya)(ya)材料(liao)厚(hou)度(du)(du)精(jing)(jing)(jing)(jing)確、均(jun)(jun)勻(yun)(yun)，表(biao)面(mian)光潔，無(wu)(wu)斑(ban)、無(wu)(wu)疤、無(wu)(wu)擦傷(shang)、無(wu)(wu)表(biao)面(mian)裂紋(wen)等(deng)，材料(liao)的(de)(de)(de)屈服強度(du)(du)均(jun)(jun)勻(yun)(yun)、無(wu)(wu)明顯(xian)方(fang)向性(xing)、均(jun)(jun)勻(yun)(yun)伸長率(lv)高(gao)(gao)、加工(gong)硬化性(xing)低。換熱(re)器(qi)(qi)(qi)翅片(pian)(pian)是(shi)指換熱(re)裝置中進(jin)(jin)行(xing)(xing)熱(re)傳(chuan)(chuan)(chuan)遞的(de)(de)(de)金屬片(pian)(pian)，增大換熱(re)裝置的(de)(de)(de)換熱(re)表(biao)面(mian)積，可(ke)提高(gao)(gao)換熱(re)效(xiao)率(lv)。換熱(re)器(qi)(qi)(qi)翅片(pian)(pian)年產(chan)(chan)量(liang)(liang)(liang)達數億件(jian)，其(qi)材料(liao)通(tong)常(chang)為(wei)0.08~0.20mm厚(hou)的(de)(de)(de)鋁箔，因此必須采(cai)(cai)用(yong)(yong)(yong)(yong)高(gao)(gao)速(su)(su)(su)(su)級進(jin)(jin)模(mo)生(sheng)(sheng)產(chan)(chan)。半(ban)導體(ti)引線框架(jia)是(shi)半(ban)導體(ti)芯(xin)片(pian)(pian)的(de)(de)(de)載體(ti)，扮演(yan)半(ban)導體(ti)器(qi)(qi)(qi)件(jian)與印制電(dian)(dian)(dian)路板(ban)（PCB）之(zhi)(zhi)間(jian)的(de)(de)(de)接(jie)口角(jiao)色(se)。其(qi)顯(xian)著的(de)(de)(de)特點是(shi)：表(biao)面(mian)質量(liang)(liang)(liang)、形(xing)狀精(jing)(jing)(jing)(jing)度(du)(du)、形(xing)位精(jing)(jing)(jing)(jing)度(du)(du)、積累誤差、外觀特性(xing)等(deng)要(yao)(yao)求(qiu)(qiu)，是(shi)所(suo)有(you)(you)沖(chong)(chong)(chong)壓(ya)(ya)(ya)件(jian)中高(gao)(gao)的(de)(de)(de)。尤其(qi)是(shi)其(qi)內引線的(de)(de)(de)形(xing)狀，基本上都像是(shi)螃蟹腳狀細(xi)而(er)長的(de)(de)(de)懸臂，有(you)(you)別于常(chang)規的(de)(de)(de)沖(chong)(chong)(chong)壓(ya)(ya)(ya)工(gong)藝(yi)性(xing)。
