模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)是工(gong)(gong)(gong)(gong)業(ye)生(sheng)產上用(yong)(yong)以注塑(su)(su)(su)、吹塑(su)(su)(su)、擠出(chu)(chu)、壓(ya)(ya)(ya)鑄(zhu)或(huo)鍛壓(ya)(ya)(ya)成(cheng)(cheng)型(xing)、冶煉、沖壓(ya)(ya)(ya)等方法得(de)(de)到所(suo)需產品(pin)的(de)(de)(de)各(ge)(ge)種(zhong)模(mo)(mo)(mo)(mo)子和工(gong)(gong)(gong)(gong)具(ju)(ju)(ju)。簡而言之(zhi)(zhi)，模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)是用(yong)(yong)來制作(zuo)成(cheng)(cheng)型(xing)物品(pin)的(de)(de)(de)工(gong)(gong)(gong)(gong)具(ju)(ju)(ju)，這種(zhong)工(gong)(gong)(gong)(gong)具(ju)(ju)(ju)由各(ge)(ge)種(zhong)零件構成(cheng)(cheng)，不同的(de)(de)(de)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)由不同的(de)(de)(de)零件構成(cheng)(cheng)。它主要(yao)通過所(suo)成(cheng)(cheng)型(xing)材料(liao)(liao)物理狀(zhuang)態的(de)(de)(de)改(gai)變來實現物品(pin)外形(xing)(xing)(xing)的(de)(de)(de)加工(gong)(gong)(gong)(gong)。素有(you)“工(gong)(gong)(gong)(gong)業(ye)之(zhi)(zhi)母”的(de)(de)(de)稱號。在外力(li)作(zuo)用(yong)(yong)下使(shi)坯料(liao)(liao)成(cheng)(cheng)為有(you)特定形(xing)(xing)(xing)狀(zhuang)和尺寸的(de)(de)(de)制件的(de)(de)(de)工(gong)(gong)(gong)(gong)具(ju)(ju)(ju)。廣泛(fan)用(yong)(yong)于(yu)沖裁(cai)、模(mo)(mo)(mo)(mo)鍛、冷鐓、擠壓(ya)(ya)(ya)、粉(fen)末冶金件壓(ya)(ya)(ya)制、壓(ya)(ya)(ya)力(li)鑄(zhu)造(zao)，以及(ji)工(gong)(gong)(gong)(gong)程(cheng)塑(su)(su)(su)料(liao)(liao)、橡(xiang)膠、陶瓷等制品(pin)的(de)(de)(de)壓(ya)(ya)(ya)塑(su)(su)(su)或(huo)注塑(su)(su)(su)的(de)(de)(de)成(cheng)(cheng)形(xing)(xing)(xing)加工(gong)(gong)(gong)(gong)中。模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)具(ju)(ju)(ju)有(you)特定的(de)(de)(de)輪(lun)(lun)廓或(huo)內腔(qiang)形(xing)(xing)(xing)狀(zhuang)，應用(yong)(yong)具(ju)(ju)(ju)有(you)刃口的(de)(de)(de)輪(lun)(lun)廓形(xing)(xing)(xing)狀(zhuang)可(ke)以使(shi)坯料(liao)(liao)按輪(lun)(lun)廓線形(xing)(xing)(xing)狀(zhuang)發(fa)生(sheng)分離(li)（沖裁(cai)）。應用(yong)(yong)內腔(qiang)形(xing)(xing)(xing)狀(zhuang)可(ke)使(shi)坯料(liao)(liao)獲得(de)(de)相應的(de)(de)(de)立體形(xing)(xing)(xing)狀(zhuang)。模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)一(yi)般包括動模(mo)(mo)(mo)(mo)和定模(mo)(mo)(mo)(mo)（或(huo)凸(tu)模(mo)(mo)(mo)(mo)和凹模(mo)(mo)(mo)(mo)）兩個(ge)部分，二者可(ke)分可(ke)合。分開時(shi)取(qu)出(chu)(chu)制件，合攏時(shi)使(shi)坯料(liao)(liao)注入模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)型(xing)腔(qiang)成(cheng)(cheng)形(xing)(xing)(xing)。模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)是工(gong)(gong)(gong)(gong)具(ju)(ju)(ju)，形(xing)(xing)(xing)狀(zhuang)復(fu)雜，承受坯料(liao)(liao)的(de)(de)(de)脹力(li)，對結構強度(du)、剛度(du)、表面硬度(du)、表面粗糙(cao)度(du)和加工(gong)(gong)(gong)(gong)精度(du)都有(you)較高(gao)要(yao)求，模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)生(sheng)產的(de)(de)(de)發(fa)展水平是機械制造(zao)水平的(de)(de)(de)重要(yao)標志之(zhi)(zhi)一(yi)。

格柵模具