在注塑製品成本構成中，電費占了相當比例。依據注塑機設備工藝情況，注塑機油泵馬達耗占整個設備耗電量的比例高達50%～65%
，因而也極具節能潛力。旨在降低能量損耗的各種先進節能控製技術
，正在逐漸成為注塑機電液係統的研究重點。

   目mu前qian
，國guo產chan注zhu塑su機ji電dian液ye控kong製zhi技ji術shu幾ji乎hu全quan部bu應ying用yong電dian液ye比bi例li技ji術shu，其qi技ji術shu特te征zheng是shi用yong三san通tong型xing比bi例li調tiao速su閥fa控kong製zhi速su度du。該gai電dian液ye比bi例li技ji術shu雖sui可ke大da大da減jian少shao元yuan件jian數shu量liang
，但dan因yin采cai用yong定ding量liang泵beng供gong油you，工gong作zuo過guo程cheng中zhong始shi終zhong存cun在zai與yu流liu量liang有you關guan的de能neng量liang損sun失shi

，國guo外wai已yi很hen少shao采cai用yong。

   注塑機工藝過程一般分為鎖模、注射
、塑化、保壓、冷卻
、kaimodengjigejieduan，gegejieduanxuyaobutongdeyaliheliuliang。duiyoubengmadaeryan
，zhusuguochengchuyubianhuadefuzaizhuangtai，zaidingliangbengdeyeyaxitongzhong，youbengmadayihengdingzhuansutigonghengdingliuliang，duoyudeyeyayoutongguoyiliufahuiliu，ciguochengchengweigaoyajieliu。jutongji，yougaoyajieliuzaochengdenengliangsunshigaoda36%～68%。

    zhenduiyishangfakongdianyexitongyoujiaodanengliangsunshidebuzu，weijinyibujiangdinenghao，jianshaozaoyin
，jinnianlaisuliaojixiezhizaoshangweimanzukehutongguojienengjiangdishengchanchengbendeyaoqiu，duigezhongjienengkongzhijishujinxingleshenruguangfandeyanjiuheshijian，rudeguo、日ri本ben等deng國guo發fa展zhan了le應ying用yong變bian量liang泵beng和he電dian液ye比bi例li閥fa結jie合he的de負fu載zai感gan應ying型xing注zhu塑su機ji電dian液ye控kong製zhi係xi統tong
，作zuo為wei電dian液ye控kong製zhi中zhong最zui基ji本ben的de節jie能neng方fang法fa，已yi在zai國guo外wai被bei廣guang泛fan應ying用yong。目mu前qian在zai各ge種zhong注zhu塑su機ji節jie能neng控kong製zhi技ji術shu中zhong，比bi例li變bian量liang泵beng與yu變bian頻pin定ding量liang泵beng兩liang種zhong節jie能neng控kong製zhi係xi統tong，節jie能neng效xiao果guo明ming顯xian。

   比例變量泵控製係統可以使用戶根據注塑成型工藝要求設定各種動作壓力、速(su)度(du)，並(bing)轉(zhuan)換(huan)成(cheng)相(xiang)應(ying)的(de)模(mo)擬(ni)信(xin)號(hao)，輸(shu)給(gei)比(bi)例(li)變(bian)量(liang)泵(beng)的(de)比(bi)例(li)壓(ya)力(li)閥(fa)及(ji)比(bi)例(li)流(liu)量(liang)閥(fa)，按(an)設(she)定(ding)值(zhi)向(xiang)係(xi)統(tong)輸(shu)出(chu)壓(ya)力(li)和(he)流(liu)量(liang)，使(shi)液(ye)壓(ya)係(xi)統(tong)能(neng)量(liang)輸(shu)出(chu)跟(gen)隨(sui)注(zhu)塑(su)過(guo)程(cheng)負(fu)載(zai)狀(zhuang)況(kuang)而(er)變(bian)化(hua)，最(zui)大(da)限(xian)度(du)避(bi)免(mian)能(neng)量(liang)損(sun)失(shi)。變(bian)頻(pin)定(ding)量(liang)泵(beng)控(kong)製(zhi)係(xi)統(tong)可(ke)以(yi)使(shi)液(ye)壓(ya)係(xi)統(tong)的(de)能(neng)量(liang)輸(shu)出(chu)跟(gen)隨(sui)注(zhu)塑(su)過(guo)程(cheng)整(zheng)機(ji)變(bian)化(hua)的(de)負(fu)載(zai)狀(zhuang)況(kuang)而(er)變(bian)化(hua)，在(zai)保(bao)壓(ya)、冷(leng)卻(que)及(ji)空(kong)轉(zhuan)狀(zhuang)況(kuang)保(bao)持(chi)很(hen)低(di)轉(zhuan)速(su)


，從(cong)而(er)達(da)到(dao)節(jie)能(neng)目(mu)的(de)。同(tong)時(shi)，利(li)用(yong)注(zhu)塑(su)機(ji)同(tong)步(bu)信(xin)號(hao)及(ji)電(dian)氣(qi)控(kong)製(zhi)係(xi)統(tong)
，將(jiang)電(dian)液(ye)比(bi)例(li)控(kong)製(zhi)係(xi)統(tong)模(mo)擬(ni)成(cheng)負(fu)載(zai)跟(gen)蹤(zong)控(kong)製(zhi)係(xi)統(tong)
，將(jiang)傳(chuan)統(tong)定(ding)量(liang)泵(beng)改(gai)造(zao)成(cheng)變(bian)頻(pin)變(bian)量(liang)泵(beng)，從(cong)而(er)使(shi)溢(yi)流(liu)閥(fa)的(de)回(hui)油(you)流(liu)量(liang)降(jiang)到(dao)最(zui)小(xiao)
，無(wu)高(gao)壓(ya)節(jie)流(liu)能(neng)量(liang)損(sun)失(shi)，從(cong)而(er)將(jiang)傳(chuan)統(tong)有(you)高(gao)壓(ya)節(jie)流(liu)的(de)注(zhu)塑(su)機(ji)由(you)耗(hao)能(neng)型(xing)升(sheng)級(ji)為(wei)節(jie)能(neng)型(xing)。

   liangzhongkongzhixitongjienengxingnenggeyoutedian。youyubilibianliangbengjienengkongzhijishuxiangduichengshu，muqianzhusujizhizaochangpubiancaiyongbilibianliangbengjienengkongzhijishu，tongguobilibianliangbengjienengjuzhudaodiwei
；而(er)在(zai)塑(su)機(ji)控(kong)製(zhi)係(xi)統(tong)應(ying)用(yong)變(bian)頻(pin)器(qi)調(tiao)速(su)控(kong)製(zhi)技(ji)術(shu)以(yi)實(shi)現(xian)節(jie)能(neng)，無(wu)疑(yi)也(ye)是(shi)有(you)益(yi)嚐(chang)試(shi)，國(guo)內(nei)也(ye)有(you)塑(su)機(ji)製(zhi)造(zao)商(shang)生(sheng)產(chan)並(bing)投(tou)放(fang)市(shi)場(chang)。由(you)於(yu)變(bian)頻(pin)控(kong)製(zhi)技(ji)術(shu)尚(shang)有(you)其(qi)固(gu)有(you)的(de)技(ji)術(shu)問(wen)題(ti)還(hai)有(you)待(dai)優(you)化(hua)解(jie)決(jue)
，目(mu)前(qian)更(geng)多(duo)的(de)是(shi)用(yong)於(yu)舊(jiu)機(ji)節(jie)能(neng)技(ji)術(shu)改(gai)造(zao)。

   依據控製技術節能工作原理
，采用注塑機上述控製技術還具有其它諸多優點：可減輕開、鎖模衝擊，延長機械和模具使用壽命
；延長油路係統使用壽命，減少維修次數
，節省維護費用；降低噪音
、改善工作環境；係統油溫大幅降低，可節省冷卻用水量30%以上
；保持注塑機變頻節能原有的控製方式及油路不變等。

   caiyongkongzhijishugaizaoshengjiweijienengxingzhusujihou，qitouziyibanzaiyinianneiketongguojieyuededianfeihuoyoufeishouhui。zhuanjiarenwei，kaifajienengxingzhusujililunkexing，touzixiao，xiaoyimingxian。caiyongxianjinkongzhijishuduizhusujijinxingjienenggaizao
，yichengweimuqianzhusujizhizaoyetishengchanpinjingzhenglideyouxiaojishushouduanzhiyi
，guoneiqiyeyingjijituiguangyingyong。