節(jie)水(shui)灌溉模具(ju)(ju)在外力(li)作用(yong)(yong)(yong)下使(shi)坯料(liao)(liao)(liao)成(cheng)為(wei)有特(te)定形(xing)(xing)(xing)(xing)狀(zhuang)(zhuang)和(he)(he)尺寸的(de)制件(jian)的(de)工(gong)(gong)具(ju)(ju)。節(jie)水(shui)灌溉模具(ju)(ju)廣(guang)泛用(yong)(yong)(yong)于沖(chong)裁、模鍛、冷(leng)鐓、擠壓、粉末冶金件(jian)壓制、壓力(li)鑄造(zao),以及工(gong)(gong)程塑(su)料(liao)(liao)(liao)、橡(xiang)膠、陶(tao)瓷等制品(pin)的(de)壓塑(su)或注塑(su)的(de)成(cheng)形(xing)(xing)(xing)(xing)加工(gong)(gong)中。模具(ju)(ju)具(ju)(ju)有特(te)定的(de)輪廓或內腔形(xing)(xing)(xing)(xing)狀(zhuang)(zhuang),應(ying)用(yong)(yong)(yong)具(ju)(ju)有刃口的(de)輪廓形(xing)(xing)(xing)(xing)狀(zhuang)(zhuang)可(ke)以使(shi)坯料(liao)(liao)(liao)按輪廓線形(xing)(xing)(xing)(xing)狀(zhuang)(zhuang)發(fa)生(sheng)分離(li)(沖(chong)裁)。應(ying)用(yong)(yong)(yong)內腔形(xing)(xing)(xing)(xing)狀(zhuang)(zhuang)可(ke)使(shi)坯料(liao)(liao)(liao)獲得(de)相應(ying)的(de)立體形(xing)(xing)(xing)(xing)狀(zhuang)(zhuang)。節(jie)水(shui)灌溉模具(ju)(ju)一般包括(kuo)動(dong)模和(he)(he)定模(或凸模和(he)(he)凹模)兩(liang)個部(bu)分,二者可(ke)分可(ke)合。分開(kai)時(shi)取出制件(jian),合攏時(shi)使(shi)坯料(liao)(liao)(liao)注入模具(ju)(ju)型腔成(cheng)形(xing)(xing)(xing)(xing)。模具(ju)(ju)是精密(mi)工(gong)(gong)具(ju)(ju),形(xing)(xing)(xing)(xing)狀(zhuang)(zhuang)復(fu)雜,承受坯料(liao)(liao)(liao)的(de)脹力(li),對結構強度、剛度、表面(mian)硬度、表面(mian)粗(cu)糙度和(he)(he)加工(gong)(gong)精度都有較高要求,節(jie)水(shui)灌溉模具(ju)(ju)生(sheng)產的(de)發(fa)展(zhan)水(shui)平是機械制造(zao)水(shui)平的(de)重要標志之(zhi)一。