Lub hardness ntawm cov xuab zeb txhais tau li cas? Yam khoom muaj feem cuam tshuam nrog nws?

Lub hardness ntawm cov suab paj nruag yog lub cev nqaij daim tawv uas qhia tau tias nws tuaj yeem xav txog nws ntau npaum li cas lub zog yuav ua rau lub zog hloov mus rau saum npoo av. Tshwj xeeb, thaum cov xuab zeb muaj lub siab tawv, nws tsis deform yooj yim thaum muaj kev sib tsoo, thiab nws tuaj yeem ua kom sib tsoo thiab muaj lub peev xwm sib tsoo zoo.

1. Hom ntawm abrasive
Cov hom abrasive muaj qhov cuam tshuam loj rau kev tawv ntawm cov xuab zeb. Hom nyias sib txawv muaj cov tawv tawv sib txawv thiab lawv tuaj yeem sawv li cas. Piv txwv li, qee qhov tshwj xeeb tau muaj cov abrasives nyuaj heev uas lawv ua rau cov xuab zeb nyob nyob twj ywm ua tau zoo thaum sib tsoo.

2. Qhov loj ntawm cov nplej
Qhov loj ntawm cov nplej kuj muaj kev cuam tshuam rau lub hardness ntawm cov xuab zeb. Nrog tib hom abrasive, cov nplej me me yog, qis dua qhov nyuaj ntawm cov xuab zeb yog. Uas txhais tau tias yog softer. Qhov no yog vim tias cov nplej me me yog cov yuav hloov pauv ntau dua thaum muaj lub zog sab nraud, thiab ua rau cov xuab zeb tag nrho ntawm cov xuab zeb mus. Ntawm qhov tsis sib xws, cov nplej loj dua, qhov siab dua lub hardness ntawm cov xuab zeb.

3. Kev nkag siab ntawm cov abrasive
Abrasive concentration txhais tau tias tus naj npawb ntawm cov abrasive hais hauv ib chav ntawm thaj chaw. Qhov siab dua ntawm cov kev xav tau yog, lub ntsiab lus tau cov khoom tsis muaj zog ntau dua muaj nyob hauv ib chav ntawm thaj chaw, qhov siab dua ntawm cov xuab zeb yog. Qhov no yog vim hais tias lub siab siab ntawm cov abrasive hais ua kom cov xuab zeb zoo dua ntawm kev tawm tsam cov kev hloov pauv ntawm thaum muaj lub zog sab nraud, thiab uas ua rau lub hardness siab.

4. Cov khoom siv rov qab
Lub thaub qab yog cov khoom uas txhawb nqa cov xuab zeb thiab nws muaj qee yam cuam tshuam ntawm kev tawv heev. Ntau hom kev rov qab cov ntaub ntawv muaj cov hardness sib txawv thiab tawv. Piv txwv li, xuab zeb nrog ib txoj phuam rov qab feem ntau tuaj yeem ncab thiab tawv, thaum daim ntawv rov qab yooj yim dua ntawm kev ua tiaj tus thiab muab cov xuab zeb zoo. Cov nta no tuaj yeem cuam tshuam rau cov xuab zeb nyuaj yog rau qee qib.

Lub hardness ntawm cov suab paj nruag yog lub cev nqaij daim tawv uas ua ke ntau yam. Thaum koj xaiv Sandpaper, koj yuav tsum tau xaiv txoj kev tawv tawv kom zoo raws li qhov koj xav tau los zom thiab cov khoom siv uas koj ua haujlwm ntawm yam koj ua haujlwm. Nyob rau tib lub sijhawm, koj kuj yuav tsum xav txog tej yam xws li cov khoom ntawm cov suab paj, qhov loj ntawm cov khoom siv abrasive, thiab cov khoom noj rov qab kom paub tseeb tias koj tau txais qhov kev sib tsoo zoo tshaj plaws.