Daim txhuam cev Sanding ntev npaum li cas?

Daim txhuam cev sandpaper yog ib qho cuab yeej siv rau saum npoo sanding thiab polishing, uas muaj cov xuab zeb nplej thiab cov khoom siv daim txhuam cev. Lub neej kev pab cuam ntawm daim txhuam cev sandpaper nyob ntawm ntau yam, suav nrog tus naj npawb ntawm kev siv, kev siv ntau, hardness thiab roughness ntawm cov khoom siv xuab zeb, thiab lwm yam.

 

 

Tus naj npawb ntawm kev siv: Lub neej ntawm daim txhuam cev daim txhuam cev feem ntau yog nyob ntawm tus naj npawb ntawm kev siv. Nrog rau kev siv ntau dhau, cov grit ntawm daim txhuam cev daim txhuam cev ua npub thiab tsis tuaj yeem ua kom zoo xuab zeb ntawm qhov chaw. Yog li ntawd, nws raug nquahu kom siv daim txhuam cev pov tseg kom tsis txhob siv ntau dhau thiab txo kev ua haujlwm.

 

 

 

Kev siv zog ntawm kev siv: Lub neej kev pab cuam ntawm daim txhuam cev sandpaper kuj cuam tshuam los ntawm kev siv zog. Yog hais tias qhov saum npoo yog sanded nrog lub zog ntau dhau los yog lub kaum sab xis, nws yuav ua rau cov xuab zeb ntawm daim txhuam cev daim txhuam cev ntog los yog cov ntaub txhuam hniav puas, uas yuav cuam tshuam rau lub neej kev pab cuam.

 

 

 

Hardness thiab roughness ntawm cov khoom sanding: Lub neej kev pab cuam ntawm daim txhuam cev sandpaper kuj cuam tshuam los ntawm hardness thiab roughness ntawm cov khoom sanding. Yog hais tias cov khoom raug sanded nyuaj los yog muaj ib tug rougher nto, lub grit ntawm daim txhuam cev sandpaper yuav hnav sai dua thiab cov kev pab cuam lub neej yuav luv luv raws li.

 

Feem ntau, kev pab cuam lub neej ntawm daim txhuam cev sandpaper tsis muaj lub sijhawm tshwj xeeb ntawm lub sijhawm, tab sis nyob ntawm qhov kev siv thiab txoj kev siv. Nws raug nquahu kom xaiv cov sponge sandpaper uas tsim nyog raws li qhov xwm txheej tshwj xeeb, ua tib zoo saib xyuas cov txheej txheem ntawm kev siv thiab cov sij hawm siv, thiab zam kev puas tsuaj los ntawm kev siv ntau dhau. Feem ntau hais lus, thaum cov xuab zeb nplej ntawm daim txhuam cev sandpaper ua blunt thiab cov nyhuv sanding txo, nws yuav tsum tau hloov raws sijhawm.