Qhov sib txawv ntawm SANDPAPER thiab EMERY khaub ncaws

 

Emery daim ntaub thiab ntawv xuab zeb yog cov piv txwv ntawm cov txiv neej ua abrasives uas suav nrog cov ntsiab lus thiab cov zaub mov los ntawm xwm. Cov khaubncaws sab nraud povtseg ua rau muaj kev sib txhuam ntawm qhov chaw, ua rau lub ntsej muag zoo nkauj lossis ci ntsa iab. Ob daim ntaub emery thiab ntawv xuab zeb yog siv los ntawm cov neeg tsim khoom thiab cov kws ua yeeb yam, txawm hais tias txhua tus muaj qhov sib txawv. Feem ntau, koj tsis tuaj yeem hloov lawv.

Emery ntaub thiab ntawv xuab zeb yog ob qho tib si zoo heev rau polishing ntoo thiab hlau. Emery ntawv yog hom ntawv xuab zeb nrov tshaj plaws, txawm tias muaj lwm yam kev xaiv. Sandpaper muaj li ntawm ntoo shavings yog ib qho zoo hloov.

 

SANDPAPER

Cov npoo ntxhib kuj tuaj yeem txhuam siv cov ntawv xuab zeb. Nws yog ib hom ntawv tuab nrog rau abrasive, ntxhib nto. Feem ntau cov kws tshaj lij xuab zeb ib phab ntsa ua ntej pleev xim rau nws. Sandpaper kuj tseem siv los ntawm cov neeg ua haujlwm ntoo kom du tawm ntawm cov ntoo. Nws kuj tseem siv tau los tshem tawm cov xim xoob, grit, lossis grime thaum pleev xim lossis kho dua ib yam dab tsi.

Grit, los yog kom muaj nuj nqis ntawm cov nplej abrasive ib square inch, yog siv los categorize ntau hom ntawv xuab zeb. Txhawm rau tshem tawm cov xim lossis cov khoom tsis tu ncua, siv cov xuab zeb ntxhib ntawm 40 mus rau 60. Qhov zoo tshaj plaws nruab nrab grit rau kev xuab zeb ua ntej ntawm cov ntoo ntxhib yog nyob nruab nrab ntawm 80 thiab 120. Softwoods xav tau ib qho zoo grit ntawm 150 mus rau 180 rau qhov kawg sanding, tab sis hardwoods yuav xav tau. zoo heev sandpaper nrog ib tug 220 mus rau 280 lis. Nyob nruab nrab ntawm cov txheej tiav, ntxiv-nplua 320-400 grit yog siv rau sanding, thaum super-nplua 500-600 grit yog siv rau polishing.

EMERY CLOTH

Emery ntaub yog ib hom ntaub woven uas muaj greyish-dub abrasive ua ke ntawm corundum thiab magnetite coated ntawm ib sab. Thaum lub sijhawm ua haujlwm ntawm tes, nws yog siv los ua cov hlau du. Emery daim ntaub ua haujlwm zoo rau kev ntxuav cov av, cov khib nyiab corrosion, thiab xim ntxiv los ntawm cov hlau nto.

Emery ntaub yog tsim los ntawm ob peb grits. Qhov loj me me ua rau nws hnyav dua li cov ntawv xuab zeb. Emery daim ntaub nrog grit 120 yog siv rau kev ua tiav zoo. Tus naj npawb ntawm abrasive hais ib nti yog hu ua tus lej grit. Qhov saum npoo yuav tsis sib npaug ntau dua qhov abrasive ntom.

 

SANDPAPER VS EMERY CLOTH: LUB SIJ HAWM

Emery ntaub yog ib hom tshwj xeeb ntawm corundum, ib lub pob zeb tawv uas yog siv los txiav hlau. Thaum cov ntawv xuab zeb yog ua los ntawm cov pob zeb softer xws li garnet, quartz, lossis flint. Lub hardness ntawm corundum yog me ntsis qis dua li ntawm pob zeb diamond.

Sandpaper yog siv los txhuam cov ntaub ntawv softer xws li ntoo thiab yas, whereas Emery ntaub yog siv los txhuam hlau. Hlau kab nyob rau hauv Emery tej zaum yuav paug ntoo nto.

Txawm hais tias Emery daim ntaub yog qhov ruaj khov dua li cov ntawv xuab zeb, cov ntawv xuab zeb tseem siv ntau dua hauv DIY thiab cov ntawv tshaj lij.

Emery daim ntaub raug nqi ntau dua thiab hloov tau ntau dua li cov ntawv xuab zeb.

TEEB MEEM

Sandpaper thiab Emery ntaub yog ob yam sib txawv ntawm abrasives. Ob leeg yog ua hauj lwm los ua kom tiav ntau hom khoom.

Lawv txawv ntawm lawv cov khoom. Lub zog ntawm ntau yam sib txawv. Txawm li cas los xij, lawv tsis tawm ntawm qhov chaw du heev. Cov ntawv xuab zeb siv hauv kev ua haujlwm ntoo yog kim dua li cov siv hlau, ntxiv rau qhov muaj zog dua.