>> P.80
ReferenceGagesBlackGraniteSurfacePlatesSERIES517interruptionofwork.•Freefromburrsorprotrusionsbecauseofthenegrainstructureandinsignicantstickiness;thisensuresahighdegreeofatnessoveralongservicelifeandcausesnodamagetootherpartsorinstruments.•Theplatesaremadeofnaturalgranitethat•Usetheseplatesinastabletemperatureisuniforminstructureandlargelyaversetodeterioration.(Naturalstonesmayhaveuniquepatternsontheirsurface.)•Granitesurfaceplatehasmanyadvantagesovercastironsurfaceplates:Twiceashardascastiron.•Freefromwringingeffects,sothereisnoenvironment.Sinceatnesserroroccurswhenthereisatemperaturedifferencebetweentheworkingsurfaceandtheunderside,avoidworkingindirectsunlight.Also,donotplaceaplateinthevicinityofanairconditionerorheater.(Recommendedenvironment:Temperature20±1°C,Humidity58±2%)1000×750mm600×600mmMachiningofoptionalthroughholes,screwbushings,etc.Throughholesandscrewholes(bushings)canbemachinedtoorderonsurfaceplates.Fordetailedinformation,contactthenearestMitutoyosalesofce.GraniteSurfacePlates01-53CastironsurfaceplateGranitesurfaceplate