檢驗(yan)彎(wan)(wan)板(ban)(ban)用(yong)(yong)途：主(zhu)要用(yong)(yong)于高度(du)(du)機(ji)械和(he)儀(yi)器檢驗(yan)和(he)機(ji)床之(zhi)間不(bu)垂直度(du)(du)的(de)檢查(cha). 檢驗(yan)工(gong)件(jian)的(de)90°角，維修設備(bei)時(shi)檢驗(yan)零部件(jian)相(xiang)(xiang)關表(biao)面(mian)的(de)相(xiang)(xiang)互(hu)垂直度(du)(du)，還(huan)經常用(yong)(yong)于鉗工(gong)劃線(xian)。檢驗(yan)彎(wan)(wan)板(ban)(ban)材質：高強度(du)(du)鑄鐵HT200-300工(gong)作面(mian)硬度(du)(du)為(wei)HB170-240，經過兩次人工(gong)處理（人工(gong)退(tui)火(huo)600度(du)(du)-700度(du)(du)和(he)自然(ran)時(shi)效2-3年）使用(yong)(yong)該(gai)產品(pin) 的(de)度(du)(du)穩定，耐磨性能好。檢驗(yan)彎(wan)(wan)板(ban)(ban)一般(ban)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(xuan)用(yong)(yong)度(du)(du)標準時(shi)一般(ban)根據(ju)使用(yong)(yong)情況酌(zhuo)情而定。3級(ji)(ji)度(du)(du)以(yi)(yi)上的(de)彎(wan)(wan)板(ban)(ban)用(yong)(yong)做檢驗(yan)、劃線(xian)、裝配等(deng)使用(yong)(yong)，4級(ji)(ji)度(du)(du)以(yi)(yi)下的(de)彎(wan)(wan)板(ban)(ban)一般(ban)用(yong)(yong)做鉚焊等(deng)使用(yong)(yong)