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：866
1.高(gao)(gao)速(su)(su)(su)精(jing)(jing)密沖(chong)壓(ya)(ya)件(jian)的(de)(de)(de)(de)技(ji)(ji)(ji)術(shu)特點(dian)：高(gao)(gao)速(su)(su)(su)精(jing)(jing)密沖(chong)壓(ya)(ya)件(jian)種(zhong)(zhong)類(lei)繁多(duo)、生產(chan)量大、精(jing)(jing)度(du)(du)(du)高(gao)(gao)、形(xing)狀復(fu)雜，使(shi)用(yong)薄(bo)板材料(liao)且材料(liao)多(duo)樣。主要(yao)(yao)(yao)類(lei)型(xing)的(de)(de)(de)(de)高(gao)(gao)速(su)(su)(su)精(jing)(jing)密沖(chong)壓(ya)(ya)件(jian)具(ju)有(you)如下技(ji)(ji)(ji)術(shu)特點(dian)。定(ding)、轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)子(zi)鐵(tie)(tie)(tie)心(xin)(xin)是(shi)電(dian)(dian)(dian)(dian)機的(de)(de)(de)(de)重要(yao)(yao)(yao)部件(jian)，它的(de)(de)(de)(de)質量好壞直接(jie)影響(xiang)到電(dian)(dian)(dian)(dian)機的(de)(de)(de)(de)技(ji)(ji)(ji)術(shu)性(xing)能。傳統電(dian)(dian)(dian)(dian)機定(ding)、轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)子(zi)鐵(tie)(tie)(tie)心(xin)(xin)制(zhi)(zhi)造工(gong)(gong)藝，是(shi)用(yong)一(yi)(yi)般(ban)沖(chong)模(mo)(mo)沖(chong)壓(ya)(ya)出(chu)定(ding)、轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)子(zi)沖(chong)片(pian)(pian)(pian)（散片(pian)(pian)(pian)），經過齊片(pian)(pian)(pian)，再用(yong)鉚(liu)釘(ding)鉚(liu)接(jie)、扣片(pian)(pian)(pian)、氬孤焊(han)等(deng)(deng)方法制(zhi)(zhi)成鐵(tie)(tie)(tie)心(xin)(xin)。對(dui)于交流電(dian)(dian)(dian)(dian)機轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)子(zi)鐵(tie)(tie)(tie)心(xin)(xin)還(huan)需用(yong)手工(gong)(gong)扭(niu)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)出(chu)斜槽(cao)。步(bu)進(jin)電(dian)(dian)(dian)(dian)動機要(yao)(yao)(yao)求(qiu)(qiu)定(ding)、轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)子(zi)鐵(tie)(tie)(tie)心(xin)(xin)磁(ci)性(xing)能和厚(hou)(hou)度(du)(du)(du)方向均(jun)勻，定(ding)子(zi)鐵(tie)(tie)(tie)心(xin)(xin)和轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)子(zi)鐵(tie)(tie)(tie)心(xin)(xin)沖(chong)片(pian)(pian)(pian)之間(jian)分別(bie)要(yao)(yao)(yao)求(qiu)(qiu)旋轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)一(yi)(yi)定(ding)的(de)(de)(de)(de)角(jiao)度(du)(du)(du)，如用(yong)傳統方法制(zhi)(zhi)作，效率(lv)低，精(jing)(jing)度(du)(du)(du)很難達到技(ji)(ji)(ji)術(shu)要(yao)(yao)(yao)求(qiu)(qiu)。隨著(zhu)工(gong)(gong)業生產(chan)技(ji)(ji)(ji)術(shu)的(de)(de)(de)(de)不斷發展，在電(dian)(dian)(dian)(dian)機、電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)等(deng)(deng)技(ji)(ji)(ji)術(shu)領域，已廣泛采用(yong)高(gao)(gao)速(su)(su)(su)沖(chong)壓(ya)(ya)多(duo)工(gong)(gong)位級(ji)(ji)進(jin)模(mo)(mo)制(zhi)(zhi)造自動疊(die)片(pian)(pian)(pian)式(shi)結(jie)構鐵(tie)(tie)(tie)心(xin)(xin)，如各(ge)種(zhong)(zhong)微(wei)電(dian)(dian)(dian)(dian)機的(de)(de)(de)(de)定(ding)、轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)子(zi)鐵(tie)(tie)(tie)心(xin)(xin)，及(ji)山(shan)字形(xing)、U字形(xing)、小(xiao)型(xing)變壓(ya)(ya)器(qi)(qi)(qi)鐵(tie)(tie)(tie)心(xin)(xin)等(deng)(deng)。其中定(ding)、轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)子(zi)鐵(tie)(tie)(tie)心(xin)(xin)還(huan)可帶扭(niu)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)疊(die)斜槽(cao)，沖(chong)片(pian)(pian)(pian)之間(jian)帶大角(jiao)度(du)(du)(du)回轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)疊(die)鉚(liu)結(jie)構等(deng)(deng)。與(yu)普通沖(chong)模(mo)(mo)相比，多(duo)工(gong)(gong)位級(ji)(ji)進(jin)模(mo)(mo)具(ju)有(you)沖(chong)壓(ya)(ya)精(jing)(jing)度(du)(du)(du)高(gao)(gao)、生產(chan)效率(lv)高(gao)(gao)、使(shi)用(yong)壽命長、所沖(chong)壓(ya)(ya)鐵(tie)(tie)(tie)心(xin)(xin)尺寸精(jing)(jing)度(du)(du)(du)一(yi)(yi)致性(xing)好、容易實現自動化、適合大批量生產(chan)等(deng)(deng)優(you)點(dian)，是(shi)微(wei)電(dian)(dian)(dian)(dian)機行(xing)業精(jing)(jing)密模(mo)(mo)具(ju)發展的(de)(de)(de)(de)方向。電(dian)(dian)(dian)(dian)子(zi)沖(chong)壓(ya)(ya)件(jian)種(zhong)(zhong)類(lei)多(duo)，結(jie)構也(ye)為復(fu)雜。電(dian)(dian)(dian)(dian)子(zi)類(lei)沖(chong)壓(ya)(ya)件(jian)一(yi)(yi)般(ban)精(jing)(jing)度(du)(du)(du)要(yao)(yao)(yao)求(qiu)(qiu)都(dou)(dou)比較高(gao)(gao)，同時還(huan)要(yao)(yao)(yao)求(qiu)(qiu)沖(chong)壓(ya)(ya)材料(liao)厚(hou)(hou)度(du)(du)(du)精(jing)(jing)確、均(jun)勻，表(biao)面(mian)(mian)光潔，無(wu)斑、無(wu)疤、無(wu)擦傷、無(wu)表(biao)面(mian)(mian)裂紋等(deng)(deng)，材料(liao)的(de)(de)(de)(de)屈服強(qiang)度(du)(du)(du)均(jun)勻、無(wu)明顯方向性(xing)、均(jun)勻伸長率(lv)高(gao)(gao)、加工(gong)(gong)硬化性(xing)低。換熱器(qi)(qi)(qi)翅(chi)片(pian)(pian)(pian)是(shi)指換熱裝(zhuang)置中進(jin)行(xing)熱傳遞(di)的(de)(de)(de)(de)金(jin)屬片(pian)(pian)(pian)，增大換熱裝(zhuang)置的(de)(de)(de)(de)換熱表(biao)面(mian)(mian)積(ji)，可提高(gao)(gao)換熱效率(lv)。換熱器(qi)(qi)(qi)翅(chi)片(pian)(pian)(pian)年產(chan)量達數億(yi)件(jian)，其材料(liao)通常(chang)為0.08~0.20mm厚(hou)(hou)的(de)(de)(de)(de)鋁箔，因此必須采用(yong)高(gao)(gao)速(su)(su)(su)級(ji)(ji)進(jin)模(mo)(mo)生產(chan)。半(ban)(ban)(ban)導體(ti)引(yin)線(xian)框架是(shi)半(ban)(ban)(ban)導體(ti)芯片(pian)(pian)(pian)的(de)(de)(de)(de)載體(ti)，扮演半(ban)(ban)(ban)導體(ti)器(qi)(qi)(qi)件(jian)與(yu)印(yin)制(zhi)(zhi)電(dian)(dian)(dian)(dian)路板（PCB）之間(jian)的(de)(de)(de)(de)接(jie)口角(jiao)色(se)。其顯著(zhu)的(de)(de)(de)(de)特點(dian)是(shi)：表(biao)面(mian)(mian)質量、形(xing)狀精(jing)(jing)度(du)(du)(du)、形(xing)位精(jing)(jing)度(du)(du)(du)、積(ji)累誤差、外(wai)觀特性(xing)等(deng)(deng)要(yao)(yao)(yao)求(qiu)(qiu)，是(shi)所有(you)沖(chong)壓(ya)(ya)件(jian)中高(gao)(gao)的(de)(de)(de)(de)。尤其是(shi)其內(nei)引(yin)線(xian)的(de)(de)(de)(de)形(xing)狀，基(ji)本(ben)上(shang)都(dou)(dou)像是(shi)螃蟹腳(jiao)狀細而長的(de)(de)(de)(de)懸臂，有(you)別(bie)于常(chang)規的(de)(de)(de)(de)沖(chong)壓(ya)(ya)工(gong)(gong)藝性(xing)。
