檢(jian)(jian)驗(yan)(yan)(yan)彎(wan)板(ban)(ban)用(yong)(yong)(yong)途：主要用(yong)(yong)(yong)于(yu)高度(du)(du)機械(xie)和(he)儀器檢(jian)(jian)驗(yan)(yan)(yan)和(he)機床之間不垂直度(du)(du)的(de)(de)檢(jian)(jian)查. 檢(jian)(jian)驗(yan)(yan)(yan)工(gong)(gong)件的(de)(de)90°角，維修設備時檢(jian)(jian)驗(yan)(yan)(yan)零部件相關表(biao)面的(de)(de)相互(hu)垂直度(du)(du)，還經常用(yong)(yong)(yong)于(yu)鉗(qian)工(gong)(gong)劃線。檢(jian)(jian)驗(yan)(yan)(yan)彎(wan)板(ban)(ban)材(cai)質(zhi)：高強(qiang)度(du)(du)鑄鐵HT200-300工(gong)(gong)作面硬度(du)(du)為HB170-240，經過兩次人工(gong)(gong)處理（人工(gong)(gong)退火600度(du)(du)-700度(du)(du)和(he)自然(ran)時效2-3年）使(shi)用(yong)(yong)(yong)該產(chan)品 的(de)(de)度(du)(du)穩定，耐磨性能好。檢(jian)(jian)驗(yan)(yan)(yan)彎(wan)板(ban)(ban)一般(ban)度(du)(du)：可以(yi)分(fen)為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)(yong)度(du)(du)標準時一般(ban)根據使(shi)用(yong)(yong)(yong)情(qing)況酌情(qing)而(er)定。3級(ji)(ji)度(du)(du)以(yi)上的(de)(de)彎(wan)板(ban)(ban)用(yong)(yong)(yong)做(zuo)檢(jian)(jian)驗(yan)(yan)(yan)、劃線、裝配等使(shi)用(yong)(yong)(yong)，4級(ji)(ji)度(du)(du)以(yi)下的(de)(de)彎(wan)板(ban)(ban)一般(ban)用(yong)(yong)(yong)做(zuo)鉚焊等使(shi)用(yong)(yong)(yong)