Kev sau cov hniav

Kev sau ntawm tus hniav yog txoj kev kho mob rau cov kab mob . Txawm li cas los xij, nws tuaj yeem sib txawv hauv kev siv tshuab, nrog rau cov khoom siv.

Kev kho mob thiab kho cov hniav

Qhov zoo tshaj yog pib kho cov hniav thaum lub tsaam thawj ntawm qhov tsaus nti, thaum lub suab poom no tseem tsis tau nkag rau cov ntaub so ntswg. Tab sis feem ntau tus neeg mob tig mus rau ib tus kws kho mob tshwj xeeb thaum hnub tom qab, thaum sau daim ntawv no ntau dua.

Tag nrho cov txheej txheem ntawm cov tshuaj txhuam hniav tuaj yeem raug faib ua cov theem nram qab no:

1. Kev npaj los yog kev npaj ntawm tus hniav (nthuav dav ntawm kab noj hniav thiab tshem tawm ntawm cov nqaij ntshiv).
2. Sau cov kab noj hniav nrog cov khoom txau.
3. Sib tsoo.
4. Polishing los yog xov.

Nws muaj ntau hom khoom siv rau kev txhuam hniav:

• ib ntus;
• interlining;
• rau txhaws hniav raws;
• tas li.

Muab cov khoom ntus thiab interlining tso rau hauv lub sijhawm ntawm kev kho hniav, piv txwv li, nrog ib qho chaw sib sib zog nqus los yog tshem tawm cov kwj deg. Lawv yog cov nrab, thiab tseem ua si lub luag haujlwm ntawm kev tiv thaiv kab noj hniav ntawm tus hniav thaum lub sij hawm ntawm nws cov kev kho tiav. Raws li cov ntaub ntawv sau kev siv ntau hom cement, pastes, pins. Cov ruaj ruaj tib yam li nram no:

• xis mas;
• hlau;
• iav ionomer iav;
• compositional.

Cement rau cov hniav sib tsoo yog tseem siv, txawm tias nws tawg taus thiab qis zog. Qhov no yog vim hais tias cov khoom yog haum yooj yim mus siv thiab pheej yig. Txawm hais tias nws yog ib qho tseem ceeb teev hais tias hnub no nws zoo tau ua zoo dua.

Txhim kho ntawm cov hniav qub

Nws yog tsim nyog hais tias kev kho mob ntawm sab hauv cov hniav ntawm cov txheej txheem ntawm txhaws tau nws tus kheej cov yam ntxwv. Vim yog qhov tseeb tias cov khoom uas siv cov hniav no tsawg heev, qhov tseem ceeb yuav tau them rau nws qhov kev zoo nkauj. Nws tseem yog qhov tseem ceeb ntawm txoj kev kaw ntom nti qhov saum npoo ntawm tus hniav zoo kom txo tau cov thaj tsam pom, thiab nws tsis pom dhau.

Cov kws kho mob feem ntau muab cov khaub ncaws tshwj xeeb uas muaj teeb meem zoo. Lawv cia koj tig lub duab thiab xim ntawm tus hniav laus.

Cov tshiab thiab tau txais txoj kev kho mob yog kev siv lub tais roj hmab, uas yog tsis yooj yim sua kom paub qhov txawv ntawm tus hniav zoo. Nws muab tso rau hauv, thaum nws tsis tau txais kev tso npe thov siv lub teeb ntxig, los yog tus neeg mob tsis xav pom qhov kev cuam tshuam ntawm tus kws kho hniav.

Kev txhuam ntawm cov hniav hauv ntej yuav tsum tau tshwj xeeb diligence, dexterity thiab kev paub los ntawm tus kws kho mob tshwj xeeb, vim qhov no yog ib txoj hauv kev nyuab heev ntawm qhov pom ntawm kev ua kom pom zoo nkauj.