2019/8/20
工(gong)程(cheng)機(ji)械(xie)(xie)關鍵(jian)零(ling)部件(jian)是行業(ye)發(fa)(fa)展(zhan)的(de)(de)基礎、支(zhi)撐(cheng)和(he)(he)制約瓶頸(jing)(bottleneck),當(dang)工(gong)程(cheng)機(ji)械(xie)(xie)發(fa)(fa)展(zhan)到一定階(jie)段(duan)后,行業(ye)高技(ji)術的(de)(de)研究將(jiang)主要(yao)聚集(ji)在發(fa)(fa)動(dong)(dong)(dong)機(ji)、液壓、傳動(dong)(dong)(dong)和(he)(he)控(kong)制系(xi)(xi)統等(deng)關鍵(jian)零(ling)部件(jian)上(shang)。工(gong)程(cheng)機(ji)械(xie)(xie)動(dong)(dong)(dong)力性(xing)(xing)能(neng)是衡量產品技(ji)術水平最重要(yao)的(de)(de)指標之一,它包(bao)括柴(chai)(chai)油(you)發(fa)(fa)動(dong)(dong)(dong)機(ji)本(ben)身的(de)(de)動(dong)(dong)(dong)力性(xing)(xing)能(neng)和(he)(he)整機(ji)動(dong)(dong)(dong)力傳遞的(de)(de)系(xi)(xi)統綜合性(xing)(xing)能(neng)兩部分。工(gong)程(cheng)機(ji)械(xie)(xie)發(fa)(fa)動(dong)(dong)(dong)機(ji)除了不斷改進燃油(you)噴射(she)系(xi)(xi)統和(he)(he)降低油(you)耗及(ji)低碳(C)排放等(deng)共性(xing)(xing)技(ji)術以外,對低速狀態下的(de)(de)扭矩儲備(bei)(bei)和(he)(he)動(dong)(dong)(dong)力輸出方式、性(xing)(xing)能(neng)匹配(pei)、振動(dong)(dong)(dong)與噪(zao)聲都有特定要(yao)求(qiu)。目(mu)前,我國工(gong)程(cheng)機(ji)械(xie)(xie)產品配(pei)套的(de)(de)發(fa)(fa)動(dong)(dong)(dong)機(ji)有濰(wei)柴(chai)(chai)、上(shang)柴(chai)(chai)、康明斯、道(dao)依茨、鉑金斯、五十鈴、洋(yang)馬(ma)等(deng)。高端產品、出口設備(bei)(bei)、大(da)噸位設備(bei)(bei)以及(ji)挖(wa)掘(jue)機(ji)等(deng)幾乎全部依賴國外品牌。