工(gong)字型平尺(chi)(chi)按/T7977－99制造(zao)，材料為HT250，工(gong)作(zuo)面采用刮研或jingmi磨削工(gong)藝，工(gong)字型平尺(chi)(chi)用于機床檢(jian)驗(yan)中檢(jian)驗(yan)不(bu)平度(du)(du)和(he)不(bu)直(zhi)(zhi)度(du)(du)兩個是配(pei)(pei)合塊(kuai)規、千分尺(chi)(chi)、水(shui)平儀等儀器檢(jian)測不(bu)同高(gao)度(du)(du)兩導軌的平行和(he)不(bu)連接導軌的水(shui)平，并可以配(pei)(pei)合直(zhi)(zhi)角(jiao)尺(chi)(chi)，檢(jian)驗(yan)只用直(zhi)(zhi)角(jiao)尺(chi)(chi)無法(fa)檢(jian)驗(yan)的兩機件的垂直(zhi)(zhi)度(du)(du)的量(liang)具。

色爽黃1000部(bu)免費軟件下載: