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ID:14912176
大小:440.50 KB
页数:6页
时间:2018-07-30
《3d打印中最小壁厚的设计指导说明》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、3D打印中最小壁厚的设计指导说明3D打印店http://my3dp.cn/2013-01-06ThisShapewaystutorialexplainshowtoavoid3dprintingerrorsthatoccurduetotheminimumwallthicknessrequirementsof3dprinters.Minimumwallthicknessisdefinedastheminimumthicknessthatyourmodelshouldhaveatanyonegivenpoint.Inthecaseoftheimageaboved=1istheminim
2、umthickness.Ifyouaredesigningacylinderforexamplethecylinderitselfshouldatalltimeshavealargerdiameterthan2mm.Ifyouwouldturnthatcylinderintoastrawtheedgeofthatstrawshouldatalltimesbeatleast2mmthick.Theminimumwallthicknessdependsonthematerialyouchoose.Checkthematerialscomparisonsheettofindthewal
3、lthicknessforthematerialyouwanttohaveyourprojectprintedin.HereyoucanseethewallthicknessofoneofourLightPoems.BettersafethansoundIfyoudonothaveexperiencewithdesigningfor3Dprinting,minimumwallthicknessisanoftenencounterederror.Inthevirtualworldofarenderingyourmodelcanhaveanydimensionorbeasthicko
4、rthinasyouwant.Ifyouwouldliketomakeamodelintherealworldthough,for3Dprinting,therearesomeconstraintsthough.ThinequalsdelicateEventhoughyoucoulduseaminimumwallthicknessof1mmwhenusingWhite,Strong&Flexiblewerecommendthatyoustickto2mm.Wewouldalsoneverrecommendmakinglargeportionsofyourmodelthisthin
5、becausethiswouldmakeitexcessivelydelicate.ForanexampleletuslookatthelovelyChameleonbyR3PO.ForscaleIputitbehindawhiteboardmarker.Hereyoucanseethatthemodelisquitedetailed.Actuallythemodelissodetailedthatsomeofthefinerdetailsuchasthepupilsintheeyesdonotshowupwithmylens.Thismodelshouldalwaysbeatl
6、east2mm.Indeedasweseeherethetinylookinglegsare2mmindiameter.Thetongueitselfisonemmindiameteratthethinnestpoint.Inthiscasea1mmwallthicknessworksbutwewouldneverrecommendthatyoumakelargeportionsofyourmodel1mmthick.Youmustalsorememberthatthetongueitselfisveryfragile.WhydoIneedtoworryaboutthisanyw
7、ay?Gettingyourmodeljustrightwillbecomemuchmorecomplicatedinitiallyifthewallsofthemodelareapproachingthelimitof1mm.Youmightinadvertentlycauseaholeinyourmeshforexample.Ormorecommonly,makeonepartjustatadbittoothinwhichcausesittonotbeabletobe3Dpr
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