Puas yog quartz hauv cov ntawv xuab zeb?
Puas yog quartz hauv cov ntawv xuab zeb?

Video: Puas yog quartz hauv cov ntawv xuab zeb?

Video: Puas yog quartz hauv cov ntawv xuab zeb?
Video: Puas Yog Luag Dag Koj Xwb (tub Zeb Hu cover) 2024, Kaum ib hlis
Anonim

Sanding Abrasives

xuab zeb-nplua-grained quartz . Quartz xuab zeb yog qhov nyuaj txaus rau kev ua ntoo (Mohs hardness 7), tab sis nws tsis nyuaj heev lossis ntse. Qhov tsim txiaj ntawm cov xuab zeb ntawv xuab zeb yog nws cheapness. Cov neeg ua haujlwm ntoo zoo qee zaum siv cov nplais ntawv xuab zeb los yog iav ntawv.

Tom qab ntawd, vim li cas quartz siv hauv cov ntawv xuab zeb?

Crushed quartz yog siv raws li abrasive hauv ntawv xuab zeb , cov xuab zeb silica tau ua haujlwm hauv sandblasting, thiab cov xuab zeb tseem yog siv tag nrho los ua whetstones, zeb zeb, thiab grindstones. Silica iav (tseem hu ua fused quartz ) yog siv nyob rau hauv optics kom xa ultraviolet lub teeb.

Qhov thib ob, 2000 grit sandpaper siv rau dab tsi? 1, 500 zeb thiab 2,000,000 zaug yog siv mus xuab zeb lub tsho ntshiab. Ob leeg grits yog qhov zoo rau tshem tawm lub teeb pom kev zoo lub tsho khawb uas tsis tuaj yeem tshem tawm los ntawm kev txhuam cov khoom sib xyaw thiab ua kom tsis zoo. Siv 2, 000 grrit rau zaum kawg sanding kom tiav du nto.

Nyob rau hauv no, dab tsi minerals ua sandpaper?

almandine

Cov qib ntawv zoo tshaj plaws yog dab tsi?

Cov ntawv xuab zeb feem ntau muab qhab nia raws li ntxhib (40 txog 60 grit), Nruab Nrab (80 txog 120), Fine (150 txog 180), Zoo heev (220 txog 240), Ntxiv Fine (280 txog 320) thiab Super Fine (360 thiab siab dua). Sanding nrog cov txheej txheem ua kom zoo dua qub tshem tawm qhov khawb sab laug los ntawm daim ntawv dhau los thiab thaum kawg tawm qhov ua tiav.

Pom zoo: