>> P.124
PrecautionforUseⅡ-741N=0.102kgf=0.2248lbs.1mm=0.03937inch❶ountingsurface,referencemountingsurface,andtypicalmountingstructureWhenmountingtheMEandLWE(…Q)series,properlyalignthereferencemountingsurfaceBandDofthetrackrailandslideunitwiththereferencemountingsurfaceofthetableandbedandfixthem.(SeeFig.2)ThereferencemountingsurfacesBandDandmountingsurfacesAandCarepreciselyground.Machiningthemountingsurfaceofthetableandbed,suchasmachineordevice,tohighaccuracyandmountingthemproperlywillensurestablelinearmotionwithhighaccuracy.Referencemountingsurfaceoftheslideunitistheoppositesideofthemark.Thetrackrailreferencemountingsurfaceisidentifiedbylocatingthemarkonthetopsurfaceofthetrackrail.Itisthesidesurfaceabovethemark(inthedirectionofthearrow).(SeeFig.3.)Fig.2ReferencemountingsurfaceandtypicalmountingstructureFig.3ReferencemountingsurfaceBADCTrackRailSlideunitReferencemountingsurfaceMarkBDMark❷houlderheightandcornerradiusofthereferencemountingsurfaceFortheoppositecornerofthematingreferencemounting,itisrecommendedtohaverelievedfilletasindicatedinFig.4.RecommendedvaluefortheshoulderheightonthematingsideisindicatedinTable17.Fig.4Cornerofthematingreferencemounting❸TighteningtorqueforfixingscrewTypicaltighteningtorqueformountingoftheMEandLWE(…Q)seriestothesteelmatingmembermaterialisindicatedinTable16.Whenvibrationandshockofthemachineordevicearelarge,fluctuatingloadislarge,ormomentloadisapplied,fixitbyusingthetorque1.2to1.5timeslargerthanthevalueindicatedinthetableasnecessary.Ifthematingmembermaterialiscastironoraluminumalloy,reducethetighteningtorquedependingonthestrengthcharacteristicsofthematingmembermaterial.Table16TighteningtorqueforfixingscrewBoltsizeTighteningtorqueN・mHighcarbonsteel-madescrewStainlesssteel-madescrewM3×0.51.81.1M4×0.74.12.5M5×0.88.05.0M6×113.68.5M8×1.2532.720.4M10×1.563.940M12×1.75110-Remark:hetighteningtorqueiscalculatedbasedonstrengthdivision12.9andpropertydivisionA2-70.Table17Shoulderheightandcornerradiusofthereferencemountingsurfaceunit:mmSizeMountingpartofslideunitMountingpartoftrackrailShoulderheightCornerradiusShoulderheightCornerradiush1R1(maximum)h2R2(maximum)1541(0.5)1)30.52051(0.5)1)30.52561413081513581614581.571.5Note(1)Thevaluesin()areappliedtoMESandLWES(…Q).R2R2h2R1R1h1MountingpartofslideunitMountingpartoftrackrail
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