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1、UnderstandingWoodMovementProvenmethodsfordealingwithexpansionandcontractionBYCHRISTIANBECKSVOORTorcenturies,granitehasbeenquar-Soforgetaboutpins,glue,screws,orfancyLast,thetypeoffinishyouapplytoariedalongtheMainecoast.Wayjoinery;woodwillmoveandbreakapartpie
2、ceaffectswoodmovement.BecauseFbackinthewoodsbehindmyshop,yourworkifyoudon’tfollowtherules.lightskinfinishessuchaswaxandoilal-onagraniteoutcropping,sitafewleftoverTheexactamountofwoodmovementlowgreatermoistureabsorption,woodslabs10in.thickby2ft.wideby12ft.lo
3、ng.dependsonanycombinationofseveralthathasbeencoatedwitheitherofthemThegranitefacesshowaseriesof1factors,includingtheenvironment(thede-movesmorethanwoodthathasbeenfin-2-in.holesdrilled12in.to18in.apart.Theold-greetowhichhumidityfluctuates)andhowishedwithdee
4、per-penetratingsealantstimerswouldhavedrivendriedwoodintothelumberhasbeensawn(seebelow).suchasurethaneandlacquer.theseholes,thenwalkeddowntherowTheamountofmovementalsovariesAsaprofessionalwoodworker,Ican’taf-pouringwaterontothewood.Eventually,amongwoodspeci
5、es,particularlyamongfordtocutcornerswhenitcomestowoodthegraniteslabswouldsplitapart.Whenthehardwoods.Forexample,beech,hick-movement.SoIdevotemyenergytobuild-woodcellsabsorbwater,theyswellandory,oak,andhardmaplemovesubstantial-ingfurniturerightthefirsttime—w
6、hetherexpand,andnotevengranitecanstopit.lymorethancherry,walnut,andbutternut.it’sachest,acase,abed,oratable.HowwoodmovesGRAINORIENTATIONDETERMINESTHEAMOUNTOFMOVEMENTYoucanpredicthowlumberwillbehavebylookingatthegrowthrings.Flatsawnboardsrevealinglongringsec
7、tionsthatareparalleltothepithofthelogwillmovethegreatestamount.SignificantFlatsawnboardFLATSAWNBOARDmovementMostseasonalmovementinaboardisalongtherings.Withannualringsnearlyparalleltothesurface,flatsawnboardsexhibitmoreseasonalmovementandarepronetocupping.Q
8、UARTERSAWNBOARDMinimalAquartersawnboardhasmovementannualringsrunningperpendiculartothesurface,sotheboardwillexperiencefarlessseasonalmovementandPithwillbelesslikelytocup.Quartersawnboard44FINEWOODWORKI
