檢(jian)驗(yan)彎板(ban)用(yong)(yong)途：主要用(yong)(yong)于(yu)高度(du)(du)(du)機械和儀器(qi)檢(jian)驗(yan)和機床之間不垂直度(du)(du)(du)的(de)檢(jian)查. 檢(jian)驗(yan)工(gong)(gong)件(jian)的(de)90°角，維修設備(bei)時檢(jian)驗(yan)零部(bu)件(jian)相(xiang)關表面的(de)相(xiang)互垂直度(du)(du)(du)，還(huan)經常用(yong)(yong)于(yu)鉗工(gong)(gong)劃線(xian)。檢(jian)驗(yan)彎板(ban)材質：高強度(du)(du)(du)鑄鐵HT200-300工(gong)(gong)作面硬度(du)(du)(du)為(wei)(wei)HB170-240，經過兩次人(ren)工(gong)(gong)處理（人(ren)工(gong)(gong)退(tui)火600度(du)(du)(du)-700度(du)(du)(du)和自然時效2-3年）使(shi)用(yong)(yong)該產品 的(de)度(du)(du)(du)穩定(ding)，耐磨性(xing)能(neng)好。檢(jian)驗(yan)彎板(ban)一般(ban)度(du)(du)(du)：可以(yi)分(fen)為(wei)(wei)000級(ji)(ji)、00級(ji)(ji)、0級(ji)(ji)、1級(ji)(ji)、2級(ji)(ji)、3級(ji)(ji)。選(xuan)用(yong)(yong)度(du)(du)(du)標準時一般(ban)根據使(shi)用(yong)(yong)情況酌(zhuo)情而(er)定(ding)。3級(ji)(ji)度(du)(du)(du)以(yi)上的(de)彎板(ban)用(yong)(yong)做(zuo)檢(jian)驗(yan)、劃線(xian)、裝配等(deng)使(shi)用(yong)(yong)，4級(ji)(ji)度(du)(du)(du)以(yi)下(xia)的(de)彎板(ban)一般(ban)用(yong)(yong)做(zuo)鉚焊等(deng)使(shi)用(yong)(yong)