花崗(gang)石(shi)機(ji)(ji)械構件(jian)實用(yong)於現(xian)場的工(gong)(gong)作(zuo)環(huan)境, 并高(gao)(gao)度(du)(du)經久保有(you)制(zhi)造(zao)品(pin)本身(shen)精度(du)(du)的個(ge)性,更能必然工(gong)(gong)作(zuo)環(huan)境中加(jia)工(gong)(gong)與檢(jian)測的精度(du)(du)與工(gong)(gong)作(zuo)制(zhi)造(zao)品(pin)品(pin)質.格外是用(yong)於高(gao)(gao)精度(du)(du)的丈量方面.花崗(gang)石(shi)機(ji)(ji)械構件(jian)的工(gong)(gong)作(zuo)表面在使用(yong)中調養維護精練,材(cai)質倔強,大約_經久頑固形,線膨(peng)脹系(xi)數小,機(ji)(ji)械精度(du)(du)高(gao)(gao),防銹、防磁、絕緣(yuan).頑固形,硬度(du)(du)高(gao)(gao),耐磨性強.

　　花崗石(shi)平板(ban)機械(xie)的本(ben)性:抗磨蝕(shi),維護(hu). 物理(li)性倔強(qiang),結構縝密,受撞擊(ji)晶(jing)粒零(ling)落,表面不(bu)起毛邊,不(bu)影響其立體精度花崗石(shi)粗拙丈量平板(ban).

　　一、不(bu)(bu)磁化,丈量(liang)時能(neng)膩滑圓滑挪動,無滯澀感,不(bu)(bu)受潮濕影響,立體稱(cheng)定好.

　　二(er)、剛(gang)性(xing)好,硬度(du)高,耐磨性(xing)強,溫度(du)變形小.

　　三(san)、不(bu)(bu)怕(pa)酸,鹼液物(wu)氧化,不(bu)(bu)會生(sheng)銹,不(bu)(bu)必(bi)涂(tu)油,不(bu)(bu)易(yi)粘微塵,維護,調養方(fang)便簡單,使用壽(shou)命長.

　　四、不會呈現劃(hua)痕,不受恒(heng)溫(wen)(wen)條件阻止,在常溫(wen)(wen)下(xia)也能保持測(ce)溫(wen)(wen)量精度.

　　五、鑄鐵平(ping)板(ban)巖石經(jing)經(jing)久時效,結(jie)構布(bu)局(ju)勻稱,線脹系數小,內應力純粹失(shi)蹤,頑固形.