檢(jian)驗(yan)(yan)彎(wan)板(ban)用(yong)(yong)(yong)途：主(zhu)要用(yong)(yong)(yong)于(yu)高(gao)度(du)(du)(du)機(ji)械和儀器檢(jian)驗(yan)(yan)和機(ji)床之(zhi)間不垂直度(du)(du)(du)的(de)檢(jian)查. 檢(jian)驗(yan)(yan)工(gong)件(jian)的(de)90°角(jiao)，維修設備(bei)時(shi)檢(jian)驗(yan)(yan)零部件(jian)相(xiang)關表面的(de)相(xiang)互垂直度(du)(du)(du)，還經(jing)常用(yong)(yong)(yong)于(yu)鉗工(gong)劃(hua)線。檢(jian)驗(yan)(yan)彎(wan)板(ban)材質(zhi)：高(gao)強度(du)(du)(du)鑄(zhu)鐵HT200-300工(gong)作面硬度(du)(du)(du)為HB170-240，經(jing)過兩次人工(gong)處理（人工(gong)退火600度(du)(du)(du)-700度(du)(du)(du)和自然時(shi)效2-3年(nian)）使(shi)用(yong)(yong)(yong)該產品 的(de)度(du)(du)(du)穩定(ding)，耐磨性能(neng)好(hao)。檢(jian)驗(yan)(yan)彎(wan)板(ban)一(yi)般度(du)(du)(du)：可以(yi)(yi)分為000級(ji)(ji)、00級(ji)(ji)、0級(ji)(ji)、1級(ji)(ji)、2級(ji)(ji)、3級(ji)(ji)。選用(yong)(yong)(yong)度(du)(du)(du)標準(zhun)時(shi)一(yi)般根(gen)據(ju)使(shi)用(yong)(yong)(yong)情況酌情而定(ding)。3級(ji)(ji)度(du)(du)(du)以(yi)(yi)上的(de)彎(wan)板(ban)用(yong)(yong)(yong)做檢(jian)驗(yan)(yan)、劃(hua)線、裝配等(deng)(deng)使(shi)用(yong)(yong)(yong)，4級(ji)(ji)度(du)(du)(du)以(yi)(yi)下的(de)彎(wan)板(ban)一(yi)般用(yong)(yong)(yong)做鉚焊等(deng)(deng)使(shi)用(yong)(yong)(yong)