>> P.452
Mounting■ProcessingaccuracyofmountingsurfaceAccuracyandperformanceofPrecisionpositioningtableareaffectedbyaccuracyofmatingmountingsurface.Therefore,processingaccuracyofthemountingsurfacemustbeconsideredaccordingtousageconditionssuchasrequiredmotionperformanceandpositioningaccuracy.ReferenceflatnessofthematingmountingsurfaceundergeneralusageconditionsisindicatedinTable6.Inaddition,thebaseonwhichatableismountedreceivesalargereactiveforce,sotakeenoughcareabouttherigidityofthebase.Table6Accuracyofmountingsurfaceunit:μmModelNT…HTXTMTS/CTNT…VNT…XZNT…XZHSA…DESK…WTSLH…MTE…BTUTSL…MTC…EBLTAMTSLBFlatnessofthemountingsurface5810153050■TighteningtorqueforfixingscrewTypicaltighteningtorquetofixthePrecisionpositioningtableisindicatedinTable7.Ifsuddenacceleration/decelerationoccursfrequentlyormomentisapplied,itisrecommendedtotightenthemto1.3timeshighertorquethanthatindicatedinthetable.Inaddition,whenhighaccuracyisrequiredwithnovibrationandshock,itisrecommendedtotightenthescrewstotorquesmallerthanthatindicatedinthetableanduseadhesiveagenttopreventloosenessofscrews.Table7Screwtighteningtorqueunit:N・mBoltsizeM2×0.4M3×0.5M4×0.7M5×0.8M6×1M8×1.25M10×1.25Steel0.311.7(1)4.07.913.332.062.7FemalethreadcomponentAluminumalloyScrewinsertAbout60%ofsteelvalueAbout80%ofsteelvalueNote(1)AstighteningtorqueforNT…V,1.1N・misrecommended.(Whenusingasteelbase)Ⅲ36
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