模(mo)(mo)(mo)具(ju)(ju)(ju)是工(gong)(gong)業(ye)生產(chan)上用(yong)(yong)(yong)以注(zhu)塑、吹塑、擠(ji)出(chu)(chu)、壓(ya)鑄或(huo)鍛壓(ya)成(cheng)型(xing)、冶煉、沖壓(ya)等方法得到所需產(chan)品(pin)的(de)(de)(de)(de)(de)各(ge)種模(mo)(mo)(mo)子和(he)(he)工(gong)(gong)具(ju)(ju)(ju)。簡而言之，模(mo)(mo)(mo)具(ju)(ju)(ju)是用(yong)(yong)(yong)來(lai)制作(zuo)成(cheng)型(xing)物品(pin)的(de)(de)(de)(de)(de)工(gong)(gong)具(ju)(ju)(ju)，這種工(gong)(gong)具(ju)(ju)(ju)由各(ge)種零件構成(cheng)，不同(tong)的(de)(de)(de)(de)(de)模(mo)(mo)(mo)具(ju)(ju)(ju)由不同(tong)的(de)(de)(de)(de)(de)零件構成(cheng)。它主(zhu)要(yao)通過(guo)所成(cheng)型(xing)材料(liao)(liao)物理狀(zhuang)態的(de)(de)(de)(de)(de)改變來(lai)實現物品(pin)外形(xing)(xing)(xing)(xing)(xing)(xing)的(de)(de)(de)(de)(de)加工(gong)(gong)。素有“工(gong)(gong)業(ye)之母”的(de)(de)(de)(de)(de)稱(cheng)號。在外力(li)作(zuo)用(yong)(yong)(yong)下使(shi)(shi)(shi)坯(pi)料(liao)(liao)成(cheng)為有特定(ding)形(xing)(xing)(xing)(xing)(xing)(xing)狀(zhuang)和(he)(he)尺寸(cun)的(de)(de)(de)(de)(de)制件的(de)(de)(de)(de)(de)工(gong)(gong)具(ju)(ju)(ju)。廣泛用(yong)(yong)(yong)于沖裁、模(mo)(mo)(mo)鍛、冷鐓、擠(ji)壓(ya)、粉末冶金(jin)件壓(ya)制、壓(ya)力(li)鑄造，以及工(gong)(gong)程塑料(liao)(liao)、橡(xiang)膠(jiao)、陶瓷(ci)等制品(pin)的(de)(de)(de)(de)(de)壓(ya)塑或(huo)注(zhu)塑的(de)(de)(de)(de)(de)成(cheng)形(xing)(xing)(xing)(xing)(xing)(xing)加工(gong)(gong)中。模(mo)(mo)(mo)具(ju)(ju)(ju)具(ju)(ju)(ju)有特定(ding)的(de)(de)(de)(de)(de)輪(lun)廓或(huo)內(nei)(nei)腔(qiang)形(xing)(xing)(xing)(xing)(xing)(xing)狀(zhuang)，應用(yong)(yong)(yong)具(ju)(ju)(ju)有刃口的(de)(de)(de)(de)(de)輪(lun)廓形(xing)(xing)(xing)(xing)(xing)(xing)狀(zhuang)可以使(shi)(shi)(shi)坯(pi)料(liao)(liao)按輪(lun)廓線形(xing)(xing)(xing)(xing)(xing)(xing)狀(zhuang)發(fa)生分(fen)(fen)(fen)離（沖裁）。應用(yong)(yong)(yong)內(nei)(nei)腔(qiang)形(xing)(xing)(xing)(xing)(xing)(xing)狀(zhuang)可使(shi)(shi)(shi)坯(pi)料(liao)(liao)獲得相(xiang)應的(de)(de)(de)(de)(de)立體形(xing)(xing)(xing)(xing)(xing)(xing)狀(zhuang)。模(mo)(mo)(mo)具(ju)(ju)(ju)一般包括動(dong)模(mo)(mo)(mo)和(he)(he)定(ding)模(mo)(mo)(mo)（或(huo)凸模(mo)(mo)(mo)和(he)(he)凹(ao)模(mo)(mo)(mo)）兩個部分(fen)(fen)(fen)，二者可分(fen)(fen)(fen)可合。分(fen)(fen)(fen)開(kai)時取出(chu)(chu)制件，合攏時使(shi)(shi)(shi)坯(pi)料(liao)(liao)注(zhu)入模(mo)(mo)(mo)具(ju)(ju)(ju)型(xing)腔(qiang)成(cheng)形(xing)(xing)(xing)(xing)(xing)(xing)。模(mo)(mo)(mo)具(ju)(ju)(ju)是工(gong)(gong)具(ju)(ju)(ju)，形(xing)(xing)(xing)(xing)(xing)(xing)狀(zhuang)復雜，承受坯(pi)料(liao)(liao)的(de)(de)(de)(de)(de)脹力(li)，對(dui)結構強度(du)、剛度(du)、表面硬度(du)、表面粗糙度(du)和(he)(he)加工(gong)(gong)精度(du)都有較高要(yao)求，模(mo)(mo)(mo)具(ju)(ju)(ju)生產(chan)的(de)(de)(de)(de)(de)發(fa)展水(shui)平是機械制造水(shui)平的(de)(de)(de)(de)(de)重(zhong)要(yao)標志之一。

摩托車塑件模具