直(zhi)角平(ping)尺易于(yu)保管，懸掛平(ping)放均可，不(bu)會因(yin)長期平(ping)放而(er)影(ying)響其直(zhi)線度(du)、平(ping)行度(du)。直(zhi)角平(ping)尺保存不(bu)易生銹，使用期間不(bu)用涂油，長期不(bu)使用，存放時(shi)涂上薄薄一層一般(ban)工業(ye)用油，以防(fang)止生銹而(er)影(ying)響精(jing)度(du)。

行業動態 為(wei)了(le)降(jiang)低直(zhi)(zhi)角(jiao)(jiao)(jiao)平(ping)尺(chi)(chi)的(de)(de)(de)(de)生產(chan)成本(ben)，使橋的(de)(de)(de)(de)售價可以(yi)在競(jing)爭中市場，88.8%的(de)(de)(de)(de)直(zhi)(zhi)角(jiao)(jiao)(jiao)平(ping)尺(chi)(chi)生產(chan)企(qi)業都是(shi)(shi)采用(yong)(yong)(yong)了(le)人工(gong)(gong)(gong)(gong)刮研(yan)(yan)的(de)(de)(de)(de)工(gong)(gong)(gong)(gong)序。雖然人工(gong)(gong)(gong)(gong)刮研(yan)(yan)比較(jiao)落后，但(dan)是(shi)(shi)對于直(zhi)(zhi)角(jiao)(jiao)(jiao)平(ping)尺(chi)(chi)來說，在精(jing)(jing)度(du)(du)要求比較(jiao)高的(de)(de)(de)(de)情況下，是(shi)(shi)任(ren)何機(ji)械加(jia)(jia)工(gong)(gong)(gong)(gong)都不可以(yi)取(qu)代的(de)(de)(de)(de)一種加(jia)(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝。為(wei)了(le)提高直(zhi)(zhi)角(jiao)(jiao)(jiao)平(ping)尺(chi)(chi)的(de)(de)(de)(de)使用(yong)(yong)(yong)壽命(ming)，其(qi)工(gong)(gong)(gong)(gong)作(zuo)精(jing)(jing)度(du)(du)，建議對刮研(yan)(yan)控(kong)制在0.02mm以(yi)上，這樣可直(zhi)(zhi)角(jiao)(jiao)(jiao)平(ping)尺(chi)(chi)有(you)較(jiao)長(chang)的(de)(de)(de)(de)使用(yong)(yong)(yong)壽命(ming)和檢定周期。根據有(you)關(guan)資料對刮研(yan)(yan)紹以(yi)及刮研(yan)(yan)測(ce)得數據，此工(gong)(gong)(gong)(gong)藝加(jia)(jia)工(gong)(gong)(gong)(gong)要求是(shi)(shi)可以(yi)達(da)到的(de)(de)(de)(de)。直(zhi)(zhi)角(jiao)(jiao)(jiao)平(ping)尺(chi)(chi)的(de)(de)(de)(de)外(wai)觀(guan)(guan)上出現震紋(wen)，產(chan)品(pin)表(biao)面(mian)粗糙程(cheng)度(du)(du)加(jia)(jia)大，影響(xiang)精(jing)(jing)度(du)(du)，更(geng)影響(xiang)美觀(guan)(guan)。而有(you)了(le)刮研(yan)(yan)這道工(gong)(gong)(gong)(gong)序后，就很少出現以(yi)上問題。防(fang)止直(zhi)(zhi)角(jiao)(jiao)(jiao)平(ping)尺(chi)(chi)工(gong)(gong)(gong)(gong)作(zuo)表(biao)面(mian)有(you)小范圍的(de)(de)(de)(de)局部畸變，來直(zhi)(zhi)角(jiao)(jiao)(jiao)平(ping)尺(chi)(chi)的(de)(de)(de)(de)使用(yong)(yong)(yong)精(jing)(jing)度(du)(du)。檢查(cha)直(zhi)(zhi)角(jiao)(jiao)(jiao)平(ping)尺(chi)(chi)工(gong)(gong)(gong)(gong)作(zuo)表(biao)面(mian)的(de)(de)(de)(de)微(wei)觀(guan)(guan)質量即微(wei)小峰谷的(de)(de)(de)(de)平(ping)面(mian)度(du)(du)，表(biao)面(mian)微(wei)觀(guan)(guan)，才能直(zhi)(zhi)角(jiao)(jiao)(jiao)平(ping)尺(chi)(chi)的(de)(de)(de)(de)使用(yong)(yong)(yong)壽命(ming)。