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Yuav ua li cas yog qhov tseeb hliav riam nyob hauv tsev?

Nyob rau hauv lub chav ua noj, kev yos hav zoov, los yog nyob rau hauv lwm yam ntaub ntawv yeej xav ntse riam. Nrog kev pab los ntawm cov cuab yeej tsis tau tsuas yog ib qho yooj yim thiab kev lom zem ua ib yam dab tsi, tab sis cov zoo nkauj heev. Niaj hnub no lub lag luam muaj ib tug ntau yam ntawm cov neeg kho tshuab thiab hluav taws xob pab kiag li lawm, uas cov hliav ntawm riam nyob rau hauv lub tsev tsis muaj ib yam teeb meem. Txawm li cas los, lawv yog es npaj rau cov poj niam. Qhov no tib tug txiv neej, tus tswv tsev yuav tsum tau coj kom zoo dua ntawm lub zoo qub tus qauv ntawm cov tes-hniav hloov. Qhov no tus txheej txheem yog laborious thiab txawm ntev, tab sis cov yuav txawv heev.

Hais txog steel

Cia li yuav ua li cas yuav zoo sharpening riam nrog lawv txhais tes, yuav nyob ntawm seb tsis tsuas yog nyob rau cov kev txawj, kev sib tsoo cov ntaub ntawv, tab sis kuj ntawm hlau. Nws zoo hardness yog hom twg los ntawm 45 mus rau 60 HRC. Thaum riam ntawm ib tug softer khoom, tej ntug yuav yooj yim wrinkle, thiab ntawm ib tug nyuaj - nti thiab loj hlob blunt. Txiav txim seb qhov zoo tshaj ntawm cov hlau, thiab yuav ua tau rau lawv tus kheej, tab sis nws yuav siv sij hawm ib tug tshiab koob cov ntaub ntawv. Yog hais tias koj ib nrab-xovxwm nws yuav swb raws tus ntug, thiab nrog ib tug muaj zog - nws me ntsis lo, ces tus hardness ntawm cov khoom "txoj cai".

Sharpening tiaj riam

Pib lub lag luam yog ua bar nrog loj nplej. Lawv raug kho nrog ob tog ntawm tej ntug ntawm cov hniav kom txog thaum lub Burr rau nws contour - ib tug nyias sawb ntawm "ntxiv" hlau uas yog bent nyob rau hauv ob qho tib si qhia. Ces riam sharpening ntau finegrained bar ncua nyob rau hauv tsev. Nrog nws tshem tawm tag nrho cov khoom siv ntawm tej yam ntawm yav tas los grindstone, uas raug nqi ntau cov Burr. Nws tshem tawm yuav tsum "ua li cas" bar nrog rau feem ntau zoo grain. Zom Burr rau ob sab thiaj li mus muab ib tug txiav ntug ntawm cov hniav kaum sab xis ntawm 23 - 45 °. Nws yog no txoj kev ntawm sharpening cov hniav tso cai rau ib tug ntev lub sij hawm tsis loj hlob blunt. Kawg finishing riam nqa slate thiab daim tawv nqaij.

Sharpening riam nyob rau hauv tsev: tswv yim

Universal riam, raws li peb paub, tsis muaj nyob. Raws li, qhov hliav kaum sab xis ntawm txhua hniav yuav yog nyob ntawm seb nws cov hom phiaj. Piv txwv li, yog tias ib chav ua noj riam yog yuav tsum tau tsuas yog siv rau tej cheese, khob cij, sausages, thiab ua hauj lwm - rau ib tug txaus mos ntaub ntawv (. Tawv, daim ntawv, etc.), cov ces kaum ntawm sharpening cov cuab yeej yuav tau ua qhov tsawg kawg nkaus. Yog hais tias riam yog siv rau tej bony nqaij, khov ntses los yog lwm yam khoom khoom, ces nws hliav lub yuav tsum txog 30-45 °. Nws yuav tsum tau muab sau tseg tias kom riam sharpening nyob rau hauv tsev rau nonprofessionals yuav tuaj ib co teeb meem, txawm li cas los, pib "li" yog pom zoo kom siv ib tug yooj yim ntaus ntawv rau txoj kev ntug kaum sab xis. Rau nws lawm yuav yuav tsum tau ib daim txiag ntoo, los ntawm uas nws yog tsim nyog los ua ib tug wedge. Nws ntev yuav tsum ntau tshaj 2.5 lub sij hawm hauv lub qhov siab. Cov uas ua npoo zoo li tus ntaus ntawv mounted rau cov whetstone, los ntawm sab saum toj mus rau nws yog pressed tiv thaiv cov riam, thiab ces nws yog tsim nyog rau koj tsiv lub npoo nrog ib tug riam nyob rau hauv lub whetstone hniav rau pem hauv ntej. Qhov no txoj kev txiav muab qhov yuav tsum tau ntug hliav kaum sab xis. Nyob rau hauv cov ntaub ntawv no, cov hniav nrog ib tug dav chamfer yuav tau txais tej ntug ntawm lub kaum sab xis ntawm 25-30 °, thiab nrog ib tug nqaim - 30-45 °.

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