檢(jian)驗(yan)彎(wan)板(ban)(ban)用(yong)(yong)途(tu)：主要用(yong)(yong)于高(gao)度(du)(du)(du)(du)機械和(he)儀(yi)器檢(jian)驗(yan)和(he)機床之(zhi)間不垂直度(du)(du)(du)(du)的檢(jian)查. 檢(jian)驗(yan)工(gong)件的90°角，維修(xiu)設備(bei)時檢(jian)驗(yan)零(ling)部件相關表面的相互垂直度(du)(du)(du)(du)，還經常用(yong)(yong)于鉗(qian)工(gong)劃(hua)線。檢(jian)驗(yan)彎(wan)板(ban)(ban)材質：高(gao)強度(du)(du)(du)(du)鑄鐵HT200-300工(gong)作面硬度(du)(du)(du)(du)為HB170-240，經過兩次人工(gong)處(chu)理(li)（人工(gong)退火600度(du)(du)(du)(du)-700度(du)(du)(du)(du)和(he)自然(ran)時效2-3年）使(shi)(shi)用(yong)(yong)該產品 的度(du)(du)(du)(du)穩定(ding)，耐磨性(xing)能好。檢(jian)驗(yan)彎(wan)板(ban)(ban)一(yi)(yi)般(ban)度(du)(du)(du)(du)：可以(yi)分為000級(ji)、00級(ji)、0級(ji)、1級(ji)、2級(ji)、3級(ji)。選用(yong)(yong)度(du)(du)(du)(du)標準時一(yi)(yi)般(ban)根據(ju)使(shi)(shi)用(yong)(yong)情況酌情而(er)定(ding)。3級(ji)度(du)(du)(du)(du)以(yi)上的彎(wan)板(ban)(ban)用(yong)(yong)做檢(jian)驗(yan)、劃(hua)線、裝配等使(shi)(shi)用(yong)(yong)，4級(ji)度(du)(du)(du)(du)以(yi)下(xia)的彎(wan)板(ban)(ban)一(yi)(yi)般(ban)用(yong)(yong)做鉚焊(han)等使(shi)(shi)用(yong)(yong)