彎板LPlate按JB/T6092-85標準制造，材料HT200，工作面采用刮研工藝，用于零部件的檢測和機械加工中的裝夾。MadeaccordingtoStandardJB/T6092-85,MaterialHt200,usedtotesttheperpendicularityandparallelism,andcanbeusedasverificationstandardof90 .規格Type(mm)測量面對基面垂直度Perpendicularitybetweenadjacentmeasuringsurfaces測量面平面度或直線度Flatness straightnessofmeasuningsuface基面平面度或直線度Flatness straightnessofdatumsuface精度等級Precisiongrade( m)1級2級3級1級2級3級1級2級3級200 20081630481661224300 2001020405102081630300 3001020405102081630400 30012244561224102040400 40012244561224102040500 400 2850 1428 2448