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Do you know the clearance adjustment skills for rack and pinion installation
Author:中大机械 Time:2023-02-11 16:36:18 Click:114
Method1:Whenthegearandrackareengaged,therequiredclearancethicknessofcopperfoil,suchas0.02mmthickcoperfoil,isusedtogivethegearacertainpre-pressuretocompressthegearandrack,andthenpushthegeartoturntothecopperfoil.Thefinaldepclearanceisabout.02mm
Method2,thegearandrackareengagedasshowninthefigureabove.Afterpreloadingthegear,thegearswingsbackandforthslightly.Theclearanceisshownontheswingtable.Theclearanceisadjustedupanddownthroughthegear
Reminder:Whenassemblinggearandrack,confirmthattheyareparallelandvertical,andtheconcentricityshouldbewithinthestandardrange,otherwiseitwillaffecttheassemblyanduse.Forthefixingscrewholeofthereducer,severalstrip(5~20mm)holesareusedtoadjusttheclearancebetweenthegearandrack
Inspectioninstructionsforstraightnessandparallelismofrackassembly:
1.Afterrackassembly,markandtesttherackbackandmountingsurface.Whenmarkingthetable,thestraightnesandpallelismoftherackwithsuitableacuracyshalelelesthan.02mm,andthemediumacuracyshalesthanorequalto0.03mm
2.thestraightnesandpallelismacuracyofmechanismuiderailandracksholdbelesthan.02mm,andtheacuracysholdbelsthan0.03mm
3,whentheaccuracyissuitableforgearandrackassembly,thesideleanceslesthan.02mm,theconventioncuracyisthan0.06mm,theconcentricityisthan.02mm,andtheneracuracyisthan.03mm
4,theworkingenvironmentisinagoodlubricatingenvironment.Iftheassemblyfailstomeettherequirementsoftheabovestandards,thefollowingconsequenceswillbecaused:theaccuracyfailstomeettherequirements;Highnoise;Itiseasytocauserackwearandreduceservicelife
Therefore,wemuststrictlyadjusttheinstallationclearanceofgearandrackduringinstallation.Ifitisunclear,wecanaskZhanpengtechniciansforhelp

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