檢(jian)驗(yan)彎(wan)板(ban)用(yong)途：主要(yao)用(yong)于高度(du)(du)機械和儀器檢(jian)驗(yan)和機床之(zhi)間不(bu)垂直(zhi)度(du)(du)的(de)(de)(de)檢(jian)查. 檢(jian)驗(yan)工(gong)(gong)(gong)件的(de)(de)(de)90°角，維修設備時檢(jian)驗(yan)零部件相(xiang)關(guan)表(biao)面的(de)(de)(de)相(xiang)互垂直(zhi)度(du)(du)，還經常用(yong)于鉗工(gong)(gong)(gong)劃線。檢(jian)驗(yan)彎(wan)板(ban)材質：高強度(du)(du)鑄鐵HT200-300工(gong)(gong)(gong)作面硬(ying)度(du)(du)為(wei)HB170-240，經過兩次人工(gong)(gong)(gong)處理（人工(gong)(gong)(gong)退(tui)火600度(du)(du)-700度(du)(du)和自然(ran)時效(xiao)2-3年）使用(yong)該產品 的(de)(de)(de)度(du)(du)穩(wen)定，耐磨性能好(hao)。檢(jian)驗(yan)彎(wan)板(ban)一般(ban)度(du)(du)：可以分為(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)。選用(yong)度(du)(du)標準時一般(ban)根據使用(yong)情(qing)(qing)況酌情(qing)(qing)而定。3級(ji)(ji)度(du)(du)以上的(de)(de)(de)彎(wan)板(ban)用(yong)做(zuo)檢(jian)驗(yan)、劃線、裝配等(deng)使用(yong)，4級(ji)(ji)度(du)(du)以下的(de)(de)(de)彎(wan)板(ban)一般(ban)用(yong)做(zuo)鉚焊等(deng)使用(yong)