Thaum xaiv cov ntawv xuab zeb, qhov zoo ntawm qhov kawg grit cuam tshuam rau lub sijhawm polishing thiab qhov kawg tshwm sim. Feem ntau, cov ntawv xuab zeb zoo dua ua kom lub sijhawm polishing thiab txhim kho cov qauv zoo. Txawm li cas los xij, tus cwj pwm siv tus kheej thiab cov tswv yim sib txawv, yog li xaiv cov ntawv xuab zeb zoo yuav tsum muaj kev xyaum ntau thiab kev sim.
Rau 20 steel, muaj cov hlau ntshiab, thiab cov cam khwb cia hlau, qhov ntau thiab tsawg grit raug pom zoo: 180 (240) 320 (400) 600 800 1000 1200
Rau 20 steel, txawm hais tias theoretically 1500 thiab 2000 grit sandpaper tuaj yeem ua tiav cov txiaj ntsig zoo, 1200 grit sandpaper feem ntau txaus los tsim cov qauv zoo.
Muaj cov hlau ntshiab yog qhov nyuaj rau polish, thiab cov khawb zoo yog qhov nyuaj rau tshem tawm, yog li siv 1500 lossis 2000 grit sandpaper yog pom zoo.
Kev khawb ntawm cov hlau cam khwb cia feem ntau yooj yim tshem tawm, thiab lub sijhawm polishing yog luv dua. Yog li ntawd, kev xaiv ntawm cov ntawv xuab zeb tsis tshua muaj kev cuam tshuam rau qhov kawg tshwm sim; tsuas yog nrhiav cov ntawv xuab zeb uas ua haujlwm zoo tshaj rau koj.
Los ntawm kev xyaum tsis tu ncua thiab kev sim, koj tuaj yeem nrhiav cov ntawv xuab zeb uas tsim nyog tshaj plaws los txhim kho polishing efficiency thiab zoo.
