SPI 模具表面抛光标准

PhilipsSPISPIDiscriptionRainµmstandard(old)(new)(DIN)0-UN-D2491A-1Diamondbuffgrade30-0.0251-UN-D249A-2Diamondbuffgrade60.025-0.052A-3Diamondbuffgrade150.05-0.076B-1600gritpaper0.05-0.0762-UN-D249B-2400gritpaper0.10-0.1273-UN-D2493B-3320gritpaper0.23-0.25C-1600stone0.25-0.30C-2400stone0.64-0.71C-3320stone0.97-1.074-UN-D2490.404D-1Dryblastglassbead11,200distanceat0.7Mpa;5sec0.25-0.305D-2Dryblast240oxyde,125distanceat0.7Mpa;5sec0.66-0.81D-3Dryblast240oxyde,150distanceat0.7Mpa;5sec4.83-5.84OverviewSPIstandardforpolishingCommentsTechnicalSmooth,polishingonlyneededforpropermouldingfunctionNomoreinuse.Removesalltoolandmachiningmarks.Providesgoodmouldrelease.Mutefinishonmouldedpart,nosheen.Fordecorativefinishes.Oftenusedfordiecastandthermosetcooling.Helpshideshrinkmarksandotherimperfections.Dull,nonreflectingfinishonmouldedorcastpart.OverviewSPIstandardforpolishingFormirrororopticalfinishes.Mosttimeconsuming.SteelgradeimportanttoresultsRemovesalltoolandmachiningmarks.Providesgoodmouldrelease.Lightreflectingfinishonmouldedpart,somesheen.