研磨(mo)器(qi) 研磨(mo)器(qi)用于卡尺，千(qian)分尺的修理研磨(mo)，選用球默鑄鐵材(cai)料加(jia)工(gong)，千(qian)分尺研磨(mo)有實芯和空(kong)心結(jie)構。

，機(ji)械加工中(zhong)的機(ji)床部件，有固定和(he)(he)(he)活動(dong)兩種。固定可對端面復雜的零件和(he)(he)(he)不允許(xu)打孔的零件進(jin)行支(zhi)承。主要由頂針、夾緊裝(zhuang)置(zhi)、殼體、固定銷、軸(zhou)承和(he)(he)(he)芯軸(zhou)組成。

刮(gua)刀(dao)工(gong)(gong)作原理：刮(gua)刀(dao)有一個(ge)把手(shou)和鋒(feng)利刀(dao)片,用(yong)來迅速刮(gua)掉(diao)字跡(ji)的工(gong)(gong)具,鉗(qian)工(gong)(gong)用(yong)來刮(gua)削金屬(shu)的工(gong)(gong)具,一般為三棱(leng)型,硬度(du)較高.