LNP-Guide_Plastic_Gearing——齿轮设计指导书

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1、AGEPlasticsCompanyAGuidetoPlasticGearingGearsGearsGearsPlasticgearshavepositionedthemselvesasseri-thermalbehaviorofthermoplasticshasfrustratedthoseousalternativestotraditionalmetalgearsinawidevarietywhowouldattempttointerpolatethesevaluesfrommoreofapplic

2、ations.Theuseofplasticgearshasexpandedreadilyavailableinformation.fromlowpower,precisionmotiontransmissionintomoredemandingpowertransmissionapplications.AsdesignersNonetheless,therearecertainguidelinesavailableforpushthelimitsofacceptableplasticgearappli

3、cations,estimatingthetechnicalfeasibilityofusingthermoplasticmoreislearnedaboutthebehaviorofplasticsingearingmaterialsingears.Mostofthesetechniqueshaveevolvedandhowtotakeadvantageoftheiruniquecharacteristics.fromequationsoriginallyworkedoutformetals,andP

4、lasticgearsprovideanumberofadvantagesovermetalgears.Theyhavelessweight,lowerinertia,andrunmuchquieterthantheirmetalcounterparts.PlasticgearsoftenrequirenolubricationorcanbecompoundedwithinternallubricantssuchasPTFEorsilicone.PlasticgearsusuallyFigurehave

5、alowerunitcostthanmetalgears,andcanbe1designedtoincorporateotherfeaturesneededintheassembly(partconsolidation).Thesegearsarealsoresistanttomanycorrosiveenvironments.Thefirstuseofthermoplasticgearsundoubtedlyconsistedofneatnylonandacetalgearscarryinglowlo

6、adsatlowspeeds.Astheadvantagesofusingthermoplasticgearsbecameclearerandnew,higherperformancematerialsbecameavailable,designersbeganusingplasticgearsinthereforedonottakeintoaccountsomeoftheuniquemoredemandingapplications.Theuseofreinforcementsbehaviorfoun

7、dinthermoplasticmaterials.andinternallubricantscompoundedintothesematerialshasexpandedtheiruseevenmore.ThisbrochurewillattempttorevealsomeoftheimportantpointsthatmustbeconsideredwhenusingtheseequationsTheuseofthermoplasticmaterialsforgearsishamperedandte

8、chniquestoevaluatethermoplasticgears.Thefocusbyalackofestablishedloadcarryingandwearperfor-willbeonspurgears;howeverthebasicpointscoveredmancedata,atleastwhencomparedtothereamsofcanbeextendedtoothertypesofgears.easilyacces