模(mo)(mo)(mo)(mo)具(ju)(ju)是工(gong)(gong)(gong)(gong)業生產上用(yong)(yong)(yong)以(yi)注(zhu)塑(su)(su)、吹塑(su)(su)、擠出、壓(ya)鑄(zhu)或鍛壓(ya)成(cheng)(cheng)(cheng)(cheng)型(xing)、冶煉、沖(chong)壓(ya)等方法得到所需產品(pin)的(de)(de)各種(zhong)模(mo)(mo)(mo)(mo)子和工(gong)(gong)(gong)(gong)具(ju)(ju)。簡而言之(zhi)，模(mo)(mo)(mo)(mo)具(ju)(ju)是用(yong)(yong)(yong)來制(zhi)作成(cheng)(cheng)(cheng)(cheng)型(xing)物品(pin)的(de)(de)工(gong)(gong)(gong)(gong)具(ju)(ju)，這(zhe)種(zhong)工(gong)(gong)(gong)(gong)具(ju)(ju)由各種(zhong)零(ling)件構成(cheng)(cheng)(cheng)(cheng)，不同的(de)(de)模(mo)(mo)(mo)(mo)具(ju)(ju)由不同的(de)(de)零(ling)件構成(cheng)(cheng)(cheng)(cheng)。它主要通(tong)過所成(cheng)(cheng)(cheng)(cheng)型(xing)材料(liao)(liao)物理(li)狀(zhuang)(zhuang)態的(de)(de)改變來實現物品(pin)外(wai)形(xing)的(de)(de)加(jia)工(gong)(gong)(gong)(gong)。素有(you)(you)“工(gong)(gong)(gong)(gong)業之(zhi)母”的(de)(de)稱號。在外(wai)力(li)作用(yong)(yong)(yong)下使坯(pi)(pi)(pi)料(liao)(liao)成(cheng)(cheng)(cheng)(cheng)為有(you)(you)特(te)定形(xing)狀(zhuang)(zhuang)和尺寸的(de)(de)制(zhi)件的(de)(de)工(gong)(gong)(gong)(gong)具(ju)(ju)。廣(guang)泛用(yong)(yong)(yong)于(yu)沖(chong)裁(cai)、模(mo)(mo)(mo)(mo)鍛、冷鐓、擠壓(ya)、粉(fen)末冶金(jin)件壓(ya)制(zhi)、壓(ya)力(li)鑄(zhu)造，以(yi)及工(gong)(gong)(gong)(gong)程塑(su)(su)料(liao)(liao)、橡(xiang)膠、陶(tao)瓷等制(zhi)品(pin)的(de)(de)壓(ya)塑(su)(su)或注(zhu)塑(su)(su)的(de)(de)成(cheng)(cheng)(cheng)(cheng)形(xing)加(jia)工(gong)(gong)(gong)(gong)中(zhong)。模(mo)(mo)(mo)(mo)具(ju)(ju)具(ju)(ju)有(you)(you)特(te)定的(de)(de)輪廓(kuo)或內腔形(xing)狀(zhuang)(zhuang)，應(ying)用(yong)(yong)(yong)具(ju)(ju)有(you)(you)刃(ren)口的(de)(de)輪廓(kuo)形(xing)狀(zhuang)(zhuang)可(ke)以(yi)使坯(pi)(pi)(pi)料(liao)(liao)按輪廓(kuo)線形(xing)狀(zhuang)(zhuang)發生分(fen)離（沖(chong)裁(cai)）。應(ying)用(yong)(yong)(yong)內腔形(xing)狀(zhuang)(zhuang)可(ke)使坯(pi)(pi)(pi)料(liao)(liao)獲得相(xiang)應(ying)的(de)(de)立體形(xing)狀(zhuang)(zhuang)。模(mo)(mo)(mo)(mo)具(ju)(ju)一般包括(kuo)動模(mo)(mo)(mo)(mo)和定模(mo)(mo)(mo)(mo)（或凸(tu)模(mo)(mo)(mo)(mo)和凹模(mo)(mo)(mo)(mo)）兩(liang)個部分(fen)，二者(zhe)可(ke)分(fen)可(ke)合。分(fen)開時(shi)取出制(zhi)件，合攏時(shi)使坯(pi)(pi)(pi)料(liao)(liao)注(zhu)入模(mo)(mo)(mo)(mo)具(ju)(ju)型(xing)腔成(cheng)(cheng)(cheng)(cheng)形(xing)。模(mo)(mo)(mo)(mo)具(ju)(ju)是工(gong)(gong)(gong)(gong)具(ju)(ju)，形(xing)狀(zhuang)(zhuang)復雜，承(cheng)受(shou)坯(pi)(pi)(pi)料(liao)(liao)的(de)(de)脹力(li)，對結構強(qiang)度(du)、剛度(du)、表(biao)面(mian)硬(ying)度(du)、表(biao)面(mian)粗糙度(du)和加(jia)工(gong)(gong)(gong)(gong)精度(du)都有(you)(you)較(jiao)高要求，模(mo)(mo)(mo)(mo)具(ju)(ju)生產的(de)(de)發展水平是機械(xie)制(zhi)造水平的(de)(de)重要標志(zhi)之(zhi)一。

摩托車塑件模具