多轴转向汽车前轮定位仪中英稿

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1、多轴转向汽车的前轮定位FrontWheelalignmentsforcarwithmulti-steeringaxis在我国整个汽车行业普遍存在一个问题，即前轮（转向轮）早期磨损问题，一直困扰着我们。而归根结蒂，又都是归结为前束不准的问题。通过多年的研究和探索。我们在“汽车前束的由来与调整”一文中详细论述了有关汽车前束的各方面问题。由于影响汽车前束的因素非常多，前束既不能通过计算得来，也不能通过类比的方法得来。文中提出解决前轮磨损的唯一办法就是采用“力传感式动态车轮定位仪”将每辆车的前束调到最佳前

2、束值，方可彻底解决车轮磨损问题。此仪器在多家汽车制造厂的多条总装线上使用，实践证明是行之有效的。汽车前束由来主要有四：1、车轮外倾，2地面和空气阻力，3前桥结构的合理性与制造的精度。4车轮的结构和品质。对于前三者一般教科书均有论述，而对于第四者也是最主要因素，国内资料和教科书却只字未提，国内汽车设计者也普遍忽略了此问题。一般汽车特别是货车，都采用静态车轮定位仪或前束尺调整前束，或者在桥厂调整前束，这样调整出来的汽车前束值没有考虑到汽车各相关部件，特别是轮胎的制造误差对前束的影响。Thereisav

3、erycommonproblemthathasbeenhauntingtheChinesedomesticautoindustryisthefastweardownsofthefrontwheelstires.Thisproblemiscausedbytheinaccuratefrontwheelalignments.Thearticle“Therationaleandadjustmentsofautomobiles’frontwheeltoe-in”hasdiscussedingreatdeta

4、ilsonthemanychallengestoresolvethisproblembasedonmanyyearsofresearchanddevelopment.Duetothemanycomplicatedfactorsthataffectthefrontwheelalignments,agoodtoe-invaluecannotbereachedthroughsimplemathematicalcalculationsorcomparisonswithothercars.Thearticl

5、esuggeststhattheonlywaytocompletelyresolvethefronttireweardownproblemisutilizingthe“dynamicwheelalignmentwithresistancesensingtechniques”.Thistechnology,testedandapprovedbymultipleassemblylinesofmanyautomanufacturers,ensuresthebestalignmentvalueforeac

6、hindividualvehicle.Therearefourreasonsforautomobilestohavefrontwheeltoe-in:PositiveChambervaluesFractionsfromairandgroundsurfaceThedesignandmanufacturingaccuracyofthestructureofthefrontaxlesStructureandqualityoftiresMostoftheautomobilebooksgivegreatex

7、planationsonthefirstthreereasons.However,thefourthreason,whichisequallyimportant,hasn’tbeenexploredatallinmostoftheeducationalmaterialsandreferencesavailabledomestically.Moreover,mostofthedomesticautodesignershavegenerallyoverlookedthisissuealso.Ingen

8、eral,cars,especiallytrucks,usestaticwheelalignmenttoolsorrulerstoadjustthefrontwheeltoe-invalueswhenthevehicleisnotinmotion.Thisalsoincludesadjustmentsdoneinaxlesmanufacturers(桥厂).Allofthesewheelalignmentmethodsdon’tputintoconsiderationsofthee