Cov khoom xaiv ntawm kev sib tsoo log
May 16, 2024| Abrasive particle loj
Feem ntau muaj feem xyuam rau kev ua qhov roughness thiab productivity. Thaum sib tsoo ntxhib, qhov nyiaj sib tsoo yog qhov loj thiab qhov yuav tsum tau muaj tus nqi roughness yog loj, yog li coarser abrasive nplej yuav tsum tau siv. Vim tias cov nplej abrasive thiab cov pores loj, qhov sib tsoo qhov tob tuaj yeem loj dua, thiab lub log sib tsoo tsis tshua muaj qhov txhaws thiab kub. Thaum kev sib tsoo zoo, cov npoo me me thiab qhov roughness tus nqi yuav tsum tau qis, yog li cov nplej nplua nuj tuaj yeem xaiv tau. Feem ntau hais lus, qhov zoo dua cov nplej abrasive, qhov zoo dua qhov sib tsoo nto roughness.
Hardness thiab nws xaiv
Lub hardness ntawm lub sib tsoo log yog hais txog yuav ua li cas khov kho cov nplej abrasive thiab adhesive adhere rau saum npoo ntawm lub sib tsoo log. Lub hardness ntawm lub sib tsoo log yog mos, uas txhais tau hais tias lub abrasive nplej ntawm lub sib tsoo log yog ib qho yooj yim mus poob; lub hardness ntawm lub sib tsoo log yog ib qho nyuaj, uas txhais tau hais tias cov nplej abrasive yog ib qho nyuaj rau poob. Lub hardness ntawm lub sib tsoo log thiab hardness ntawm abrasive yog ob lub ntsiab lus sib txawv. Tib lub abrasive tuaj yeem ua rau hauv kev sib tsoo log nrog qhov sib txawv hardnesses, uas feem ntau yog nyob ntawm qhov kev ua tau zoo thiab qhov ntau ntawm daim ntawv cog lus thiab kev tsim cov txheej txheem ntawm kev sib tsoo. Qhov sib txawv tseem ceeb ntawm kev sib tsoo thiab txiav yog qhov sib tsoo lub log muaj "tus kheej-sharpening zog". Xaiv lub hardness ntawm lub sib tsoo log yog tiag tiag xaiv tus kheej-sharpening cuab yeej ntawm lub sib tsoo log. Nws cia siab tias cov nplej ntse ntse yuav tsis poob sai sai, thiab lawv yuav tsis du. poob tawm. Lub hauv paus ntsiab lus dav dav rau kev xaiv qhov nyuaj ntawm kev sib tsoo lub log yog: thaum ua cov hlau mos, txhawm rau tiv thaiv cov abrasive poob tawm ntxov, siv lub log sib tsoo nyuaj. Thaum ua cov hlau tawv, lub log sib tsoo yog siv los ua kom nrawm nrawm nrawm thiab nthuav tawm cov nplej tshiab nrog cov npoo ntse thiab cov fab (piv txwv li, nws tus kheej-sharpening). Qhov qub yog vim tias thaum sib tsoo cov ntaub ntawv mos, cov khoom ua haujlwm abrasive ntawm lub log sib tsoo hnav qeeb heev, thiab tsis tas yuav tawg sai heev; qhov tom kawg yog vim tias thaum sib tsoo cov ntaub ntawv nyuaj, cov khoom ua haujlwm abrasive ntawm kev sib tsoo log hnav sai dua thiab yuav tsum tau tshem tawm sai dua. txuas dua tshiab. Thaum kev sib tsoo zoo, txhawm rau txhawm rau txhawm rau sib tsoo raug thiab roughness, yuav tsum siv lub log sib tsoo me ntsis. Thaum cov khoom siv ua haujlwm tsis zoo thermal conductivity thiab ua rau kub hnyiab thiab tawg (xws li kev sib tsoo carbide, thiab lwm yam), kev sib tsoo log xaiv yuav tsum softer.
npaj
Cov qauv ntawm lub log sib tsoo yog hais txog kev sib raug zoo ntawm qhov ntim ntawm peb qhov chaw sib tsoo: abrasive nplej, binder, thiab pores. Nws feem ntau yog cais los ntawm feem pua ntawm kev sib tsoo lub log ntim nyob ntawm cov nplej abrasive. Lub log sib tsoo muaj peb lub koom haum: nruj, nruab nrab, thiab xoob; nws tau muab faib ua No. 0-14, tag nrho ntawm 15 qib. Qhov me me ntawm cov ntaub so ntswg, qhov ntau dua qhov kev faib ua feem ntawm cov nplej abrasive, thiab lub zog sib tsoo; Piv txwv li, qhov loj ntawm cov ntaub so ntswg, qhov me dua qhov kev faib ua feem ntawm cov nplej abrasive, thiab lub looser lub sib tsoo log.