Chifukwa chiyani sandpaper imagawidwa kukhala sandpaper yamadzi ndi sandpaper youma?

Moni nonse, nthawi zambiri timagwiritsa ntchito sandpaper pogwira ntchito, lero ndikuwuzani mitundu iwiri ya sandpaper yomwe ingagwiritsidwe ntchito pazinthu zosiyanasiyana.

Choyamba, sandpaper youma, yomwe imakhala ndi ntchito yamphamvu kwambiri yogaya komanso kukana kuvala kwambiri, koma n'zosavuta kuyambitsa kuipitsidwa kwa fumbi. Imafunika kuvala zodzitchinjiriza pogwira ntchito, zomwe nthawi zambiri zimakhala zoyenera pokonza matabwa komanso kupukuta pakhoma.

Amtundu winanso wa sandpaper ndi sandpaper yosalowa madzi, yomwe nthawi zambiri imapukutidwa pansi pamikhalidwe yokhala ndi madzi yokhala ndi fumbi lochepa komanso zida zosalimba. Choncho, amagwiritsidwa ntchito kwambiri pogaya miyala, kukonza hardware, kupukuta maonekedwe a galimoto, kuchotsa dzimbiri, kuchotsa utoto ndi mafakitale ena.

Kodi pali kusiyana kotani pakati pa sandpaper yamadzi ndi dry sandpaper? Izi zili choncho chifukwa danga pakati pa mchenga wa pepala abrasive madzi ndi laling'ono, ndipo nthaka ndi yaing'ono. Ngati pepala la abrasive la madzi likauma, nthaka idzakhalabe pamalo a mchenga, ndipo pamwamba pa pepala la mchenga lidzakhala lopepuka ndipo kenako lidzalephera kukwaniritsa zotsatira zake zoyambirira. Madzi akagwiritsidwa ntchito pamodzi, nthaka idzatuluka, choncho ndi bwino kugwiritsa ntchito madzi. Ndipo sandpaper youma ndi yabwino kwambiri, kusiyana pakati pa mchenga wake ndi waukulu ndipo nthaka ndi yaikulu. Idzagwa pansi pogaya chifukwa cha kusiyana, kotero sichiyenera kugwiritsidwa ntchito ndi madzi.