模(mo)(mo)具(ju)(ju)(ju)是(shi)工(gong)(gong)(gong)(gong)業生(sheng)(sheng)產上用(yong)(yong)以注(zhu)塑(su)、吹塑(su)、擠出、壓鑄(zhu)或鍛(duan)壓成型(xing)(xing)、冶(ye)煉、沖壓等方法(fa)得(de)到所需(xu)產品(pin)的(de)(de)(de)各(ge)種模(mo)(mo)子和(he)(he)工(gong)(gong)(gong)(gong)具(ju)(ju)(ju)。簡而(er)言之，模(mo)(mo)具(ju)(ju)(ju)是(shi)用(yong)(yong)來制(zhi)(zhi)作成型(xing)(xing)物品(pin)的(de)(de)(de)工(gong)(gong)(gong)(gong)具(ju)(ju)(ju)，這種工(gong)(gong)(gong)(gong)具(ju)(ju)(ju)由各(ge)種零件構成，不(bu)(bu)同的(de)(de)(de)模(mo)(mo)具(ju)(ju)(ju)由不(bu)(bu)同的(de)(de)(de)零件構成。它主要(yao)(yao)通過所成型(xing)(xing)材料(liao)(liao)物理(li)狀態(tai)的(de)(de)(de)改(gai)變來實現物品(pin)外形(xing)(xing)的(de)(de)(de)加(jia)工(gong)(gong)(gong)(gong)。素有(you)“工(gong)(gong)(gong)(gong)業之母”的(de)(de)(de)稱號。在外力作用(yong)(yong)下使(shi)(shi)坯(pi)料(liao)(liao)成為有(you)特定(ding)形(xing)(xing)狀和(he)(he)尺寸(cun)的(de)(de)(de)制(zhi)(zhi)件的(de)(de)(de)工(gong)(gong)(gong)(gong)具(ju)(ju)(ju)。廣泛用(yong)(yong)于沖裁、模(mo)(mo)鍛(duan)、冷鐓(dui)、擠壓、粉末冶(ye)金件壓制(zhi)(zhi)、壓力鑄(zhu)造，以及工(gong)(gong)(gong)(gong)程塑(su)料(liao)(liao)、橡膠、陶瓷等制(zhi)(zhi)品(pin)的(de)(de)(de)壓塑(su)或注(zhu)塑(su)的(de)(de)(de)成形(xing)(xing)加(jia)工(gong)(gong)(gong)(gong)中(zhong)。模(mo)(mo)具(ju)(ju)(ju)具(ju)(ju)(ju)有(you)特定(ding)的(de)(de)(de)輪廓或內(nei)腔(qiang)形(xing)(xing)狀，應用(yong)(yong)具(ju)(ju)(ju)有(you)刃口的(de)(de)(de)輪廓形(xing)(xing)狀可以使(shi)(shi)坯(pi)料(liao)(liao)按輪廓線(xian)形(xing)(xing)狀發(fa)生(sheng)(sheng)分(fen)離(li)（沖裁）。應用(yong)(yong)內(nei)腔(qiang)形(xing)(xing)狀可使(shi)(shi)坯(pi)料(liao)(liao)獲得(de)相應的(de)(de)(de)立體形(xing)(xing)狀。模(mo)(mo)具(ju)(ju)(ju)一般包括動模(mo)(mo)和(he)(he)定(ding)模(mo)(mo)（或凸模(mo)(mo)和(he)(he)凹模(mo)(mo)）兩個部分(fen)，二(er)者可分(fen)可合(he)。分(fen)開(kai)時取(qu)出制(zhi)(zhi)件，合(he)攏時使(shi)(shi)坯(pi)料(liao)(liao)注(zhu)入模(mo)(mo)具(ju)(ju)(ju)型(xing)(xing)腔(qiang)成形(xing)(xing)。模(mo)(mo)具(ju)(ju)(ju)是(shi)工(gong)(gong)(gong)(gong)具(ju)(ju)(ju)，形(xing)(xing)狀復(fu)雜，承受坯(pi)料(liao)(liao)的(de)(de)(de)脹力，對結構強度、剛度、表(biao)面硬度、表(biao)面粗糙(cao)度和(he)(he)加(jia)工(gong)(gong)(gong)(gong)精度都有(you)較高(gao)要(yao)(yao)求，模(mo)(mo)具(ju)(ju)(ju)生(sheng)(sheng)產的(de)(de)(de)發(fa)展水(shui)平是(shi)機械制(zhi)(zhi)造水(shui)平的(de)(de)(de)重要(yao)(yao)標(biao)志之一。

摩托車塑件模具