Qhov sib txawv ntawm cov ntawv xuab zeb qhuav thiab dej xuab zeb

Dab tsi yog qhov sib txawv tseem ceeb ntawm cov ntawv xuab zeb thiab cov ntawv xuab zeb qhuav? Puas yog nws zoo li lub ntsiab lus tseeb? Vim li cas cov ntawv xuab zeb qhuav tsis siv dej, tab sis cov ntawv xuab zeb ua dej? Cov ntawv xuab zeb dej muaj qhov sib txawv me me ntawm nws cov xuab zeb thiab tsim cov khoom me me. Thaum siv nrog dej, cov khoom tawg yuav ntws tawm nrog dej, yog li nws yog qhov zoo tshaj plaws los siv nrog dej. Yog tias cov ntawv xuab zeb dej siv rau kev sib tsoo qhuav, cov khoom tawg yuav nyob hauv qhov khoob ntawm cov xuab zeb, ua rau lub ntsej muag ntawm cov ntawv xuab zeb ua ci thiab tsis tuaj yeem ua tiav nws cov txiaj ntsig qub. Cov ntawv xuab zeb qhuav yog yooj yim heev, vim tias muaj qhov sib txawv loj ntawm cov xuab zeb thiab cov khib nyiab uas tshwm sim kuj loj. Thaum lub sij hawm sib tsoo, cov khib nyiab yuav poob vim qhov sib txawv loj, yog li nws tsis tas yuav siv dej. Cov xuab zeb qhuav yog feem ntau hu ua cov xuab zeb liab thiab cov xuab zeb dawb, nrog rau qhov sib txawv yog tias yav tas los tsis muaj cov tshuaj tiv thaiv clogging txheej. Cov ntawv xuab zeb grinds qeeb qeeb tab sis ua kom tiav smoother (qhov zoo dua cov ntawv xuab zeb, qhov qeeb qeeb nws grinds, thiab nws kuj ci, feem ntau siv hauv cov roj sib tsoo rau cov khoom zoo siab); Cov ntawv xuab zeb qhuav sai dua tab sis tsim cov khoom siv coarser (qhov tuab ntawm cov ntawv xuab zeb qhuav, qhov nrawm dua thiab cov coarser nws dhau los. Feem ntau, 400 grit lossis tsawg dua yog feem ntau siv hauv kev sib tsoo ntoo dawb, thaum 400-800 grit feem ntau siv hauv roj sib tsoo).