檢(jian)(jian)(jian)驗(yan)(yan)彎板用(yong)途：主(zhu)要用(yong)于高(gao)度(du)(du)機械和(he)(he)儀器檢(jian)(jian)(jian)驗(yan)(yan)和(he)(he)機床(chuang)之間不垂直度(du)(du)的檢(jian)(jian)(jian)查. 檢(jian)(jian)(jian)驗(yan)(yan)工件(jian)的90°角，維修設(she)備時檢(jian)(jian)(jian)驗(yan)(yan)零部件(jian)相(xiang)關表面的相(xiang)互垂直度(du)(du)，還經常用(yong)于鉗工劃線。檢(jian)(jian)(jian)驗(yan)(yan)彎板材質：高(gao)強度(du)(du)鑄鐵(tie)HT200-300工作面硬度(du)(du)為(wei)HB170-240，經過兩次(ci)人工處理（人工退火600度(du)(du)-700度(du)(du)和(he)(he)自(zi)然(ran)時效2-3年）使用(yong)該產品 的度(du)(du)穩(wen)定，耐磨性(xing)能好。檢(jian)(jian)(jian)驗(yan)(yan)彎板一(yi)般(ban)度(du)(du)：可以分為(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)度(du)(du)標準時一(yi)般(ban)根據使用(yong)情況(kuang)酌(zhuo)情而(er)定。3級(ji)(ji)度(du)(du)以上(shang)的彎板用(yong)做檢(jian)(jian)(jian)驗(yan)(yan)、劃線、裝配等(deng)(deng)使用(yong)，4級(ji)(ji)度(du)(du)以下的彎板一(yi)般(ban)用(yong)做鉚焊等(deng)(deng)使用(yong)