>> P.70
❷MountingscrewsforslideunitTomountaslideunit,tightlyfastentheboltagainstfemalethreadofslideunit.Thefemalethreadiscreatedthroughholesoftheslideunitforsize1series,andalsothroughholesfortheslideunitandtrackrailforsize2,3,4and6series.Whenthefixingthreaddepthofthemountingscrewgoestoodeep,itcaninterferewiththetrackrailandimpacttherunningaccuracyorproductlifesothatthefixingthreaddepthshouldbewithinthescrewingdepthspecifiedinthedimensiontable.Alsopreparethesmallscrewsdedicatedtoprecisiondevices(headdiameter1.8mmorsmaller)forthemountingboltofslideunitofsize1andLWLF2.Table15TighteningtorqueforfixingscrewBoltsizeM1×0.25M1.4×0.3M1.6×0.35M2×0.4M2.5×0.45M3×0.5M4×0.7M5×0.8M6×1TighteningtorqueN・mStainlesssteel-Highcarbonsteel-madescrewmadescrew0.040.100.150.310.621.12.55.08.5-----1.32.95.7-Remarks1.Thetighteningtorqueiscalculatedbasedonstrength❸MountingscrewsfortrackrailInthesize2and3seriesandtappedrailspecifications,trackrailmountingboltsarenotappended.PreparemountingboltswhosefixingthreaddepthislessthanH4indimensiontable.❹ShoulderheightandcornerradiusofthereferencemountingsurfaceFortheoppositecornerofthematingreferencemounting,itisrecommendedtohaverelievedfilletasindicatedinFig.6RecommendedvaluefortheshoulderheightonthematingsideisindicatedinTable16.division8.8andpropertydivisionA2-70.2.Itisrecommendedthatthetighteningtorqueofslideunitmountingholesforseriessize1istobe70to80%ofthevaluesinthetable.3.Forthetighteningtorqueofcross-recessedpanheadscrewsforprecisionequipment,seeTable22onpageIII-38.6.giFCornerofthematingreferencemounting❺TighteningtorqueforfixingscrewTypicaltighteningtorqueformountingML(F)seriesandLWL(F)seriestothesteelmatingmembermaterialisindicatedinTable15.Whenvibrationandshockofthemachineordevicearelarge,fluctuatingloadislarge,ormomentloadisapplied,fixitbyusingthetorque1.2to1.5timestableasnecessary.Ifthematingmembermaterialiscastironoraluminumalloy,reducethetighteningtorquedependingonthestrengthcharacteristicsofthematingmembermaterial.thevalueindicatedinthelargerthan1N=0.102kgf=0.2248lbs.1mm=0.03937inchⅡ-20
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