>> P.70
Ⅱ-201N=0.102kgf=0.2248lbs.1mm=0.03937inch❷MountingscrewsforslideunitTomountaslideunit,tightlyfastentheboltagainstfemalethreadofslideunit.Thefemalethreadiscreatedthroughholesoftheslideunitforsize1series,andalsothroughholesfortheslideunitandtrackrailforsize2,3,4and6series.Whenthefixingthreaddepthofthemountingscrewgoestoodeep,itcaninterferewiththetrackrailandimpacttherunningaccuracyorproductlifesothatthefixingthreaddepthshouldbewithinthescrewingdepthspecifiedinthedimensiontable.Alsopreparethesmallscrewsdedicatedtoprecisiondevices(headdiameter1.8mmorsmaller)forthemountingboltofslideunitofsize1andLWLF2.❸MountingscrewsfortrackrailInthesize2and3seriesandtappedrailspecifications,trackrailmountingboltsarenotappended.PreparemountingboltswhosefixingthreaddepthislessthanH4indimensiontable.❹houlderheightandcornerradiusofthereferencemountingsurfaceFortheoppositecornerofthematingreferencemounting,itisrecommendedtohaverelievedfilletasindicatedinFig.6RecommendedvaluefortheshoulderheightonthematingsideisindicatedinTable16.Fig.6Cornerofthematingreferencemounting❺TighteningtorqueforfixingscrewTypicaltighteningtorqueformountingML(F)seriesandLWL(F)seriestothesteelmatingmembermaterialisindicatedinTable15.Whenvibrationandshockofthemachineordevicearelarge,fluctuatingloadislarge,ormomentloadisapplied,fixitbyusingthetorque1.2to1.5timeslargerthanthevalueindicatedinthetableasnecessary.Ifthematingmembermaterialiscastironoraluminumalloy,reducethetighteningtorquedependingonthestrengthcharacteristicsofthematingmembermaterial.Table15TighteningtorqueforfixingscrewBoltsizeTighteningtorqueN・mStainlesssteel-madescrewHighcarbonsteel-madescrewM1×0.250.04-M1.4×0.30.10-M1.6×0.350.15-M2×0.40.31-M2.5×0.450.62-M3×0.51.11.3M4×0.72.52.9M5×0.85.05.7M6×18.5-Remarks1.hetighteningtorqueiscalculatedbasedonstrengthdivision8.8andpropertydivisionA2-70.2.tisrecommendedthatthetighteningtorqueofslideunitmountingholesforseriessize1istobe70to80%ofthevaluesinthetable.
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