檢(jian)驗(yan)(yan)(yan)彎板用(yong)(yong)(yong)途：主要(yao)用(yong)(yong)(yong)于高度(du)(du)機械和(he)儀器檢(jian)驗(yan)(yan)(yan)和(he)機床之間不垂直(zhi)度(du)(du)的檢(jian)查. 檢(jian)驗(yan)(yan)(yan)工(gong)(gong)(gong)件(jian)的90°角，維修設備時檢(jian)驗(yan)(yan)(yan)零部件(jian)相關表面(mian)的相互垂直(zhi)度(du)(du)，還經(jing)常用(yong)(yong)(yong)于鉗工(gong)(gong)(gong)劃線。檢(jian)驗(yan)(yan)(yan)彎板材質(zhi)：高強(qiang)度(du)(du)鑄鐵HT200-300工(gong)(gong)(gong)作面(mian)硬度(du)(du)為(wei)HB170-240，經(jing)過兩次人工(gong)(gong)(gong)處(chu)理(li)（人工(gong)(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)該產品 的度(du)(du)穩定，耐磨性能好(hao)。檢(jian)驗(yan)(yan)(yan)彎板一般度(du)(du)：可以(yi)(yi)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)(yong)(yong)度(du)(du)標準時一般根(gen)據使(shi)用(yong)(yong)(yong)情況酌情而定。3級(ji)(ji)度(du)(du)以(yi)(yi)上的彎板用(yong)(yong)(yong)做檢(jian)驗(yan)(yan)(yan)、劃線、裝(zhuang)配等(deng)使(shi)用(yong)(yong)(yong)，4級(ji)(ji)度(du)(du)以(yi)(yi)下的彎板一般用(yong)(yong)(yong)做鉚(liu)焊等(deng)使(shi)用(yong)(yong)(yong)