检验平台适(shi)用(yong)于(yu)各种检验工(gong)作(zuo)，测量(liang)用(yong)的基(ji)准平面;用(yong)于(yu)机(ji)床(chuang)机(ji)械检验测量(liang)基(ji)准;检查零件的尺寸精度或形(xing)为偏差，并作(zuo)紧密(mi)划线，在机(ji)械制造中也是(shi)不可缺少(shao)的基(ji)本工(gong)具。

        检验平(ping)(ping)(ping)板(ban)(ban)(ban)工(gong)(gong)作(zuo)(zuo)(zuo)面(mian)(mian)(mian)的(de)(de)(de)(de)平(ping)(ping)(ping)面(mian)(mian)(mian)度(du)(du)(du)编(bian)辑检验平(ping)(ping)(ping)板(ban)(ban)(ban)工(gong)(gong)作(zuo)(zuo)(zuo)面(mian)(mian)(mian)的(de)(de)(de)(de)平(ping)(ping)(ping)面(mian)(mian)(mian)度(du)(du)(du)是指包(bao)容平(ping)(ping)(ping)板(ban)(ban)(ban)实际工(gong)(gong)作(zuo)(zuo)(zuo)面(mian)(mian)(mian)且距离为小的(de)(de)(de)(de)两平(ping)(ping)(ping)行平(ping)(ping)(ping)面(mian)(mian)(mian)间的(de)(de)(de)(de)距离，其值(zhi)可按(an)对角线法、环线法的(de)(de)(de)(de)检定(ding)(ding)结果(guo)进行“基面(mian)(mian)(mian)变换(huan)”求得。平(ping)(ping)(ping)板(ban)(ban)(ban)工(gong)(gong)作(zuo)(zuo)(zuo)面(mian)(mian)(mian)的(de)(de)(de)(de)平(ping)(ping)(ping)面(mian)(mian)(mian)度(du)(du)(du)是衡(heng)量(liang)平(ping)(ping)(ping)板(ban)(ban)(ban)质量(liang)的(de)(de)(de)(de)主要(yao)精度(du)(du)(du)指标(biao)。按(an)平(ping)(ping)(ping)板(ban)(ban)(ban)工(gong)(gong)作(zuo)(zuo)(zuo)面(mian)(mian)(mian)平(ping)(ping)(ping)面(mian)(mian)(mian)度(du)(du)(du)的(de)(de)(de)(de)公差允许值(zhi)确定(ding)(ding)出(chu)平(ping)(ping)(ping)板(ban)(ban)(ban)准确级别，因此(ci)要(yao)重视(shi)平(ping)(ping)(ping)板(ban)(ban)(ban)工(gong)(gong)作(zuo)(zuo)(zuo)面(mian)(mian)(mian)平(ping)(ping)(ping)面(mian)(mian)(mian)度(du)(du)(du)的(de)(de)(de)(de)检定(ding)(ding)。平(ping)(ping)(ping)板(ban)(ban)(ban)平(ping)(ping)(ping)面(mian)(mian)(mian)度(du)(du)(du)检定(ding)(ding)的(de)(de)(de)(de)准确度(du)(du)(du)是平(ping)(ping)(ping)板(ban)(ban)(ban)使用质量(liang)的(de)(de)(de)(de)保证。线点布置(zhi)、重合度(du)(du)(du)、检定(ding)(ding)工(gong)(gong)具(ju)检定(ding)(ding)的(de)(de)(de)(de)不确定(ding)(ding)度(du)(du)(du)、检定(ding)(ding)方法、评定(ding)(ding)原(yuan)则、数据(ju)处理(li)是平(ping)(ping)(ping)板(ban)(ban)(ban)平(ping)(ping)(ping)面(mian)(mian)(mian)度(du)(du)(du)检定(ding)(ding)准确度(du)(du)(du)的(de)(de)(de)(de)关键(jian)。平(ping)(ping)(ping)板(ban)(ban)(ban)工(gong)(gong)作(zuo)(zuo)(zuo)面(mian)(mian)(mian)平(ping)(ping)(ping)面(mian)(mian)(mian)度(du)(du)(du)检定(ding)(ding)时注意这些问题(ti)，有助于检定(ding)(ding)质量(liang)的(de)(de)(de)(de)提高。