Qhov cuam tshuam ntawm qhov kub thiab txias siab lossis qis rau cov ntaub ntawv siv rau cov menyuam

Qhov cuam tshuam ntawm qhov kub thiab txias siab lossis qis rau cov ntaub ntawv siv rau cov menyuam
Hauv kev siv hauv kev lag luam, cov saw hlau, ua ib qho tseem ceeb ntawm kev sib kis, tau siv dav hauv ntau yam khoom siv kho tshuab thiab cov kab ntau lawm. Txawm li cas los xij, qhov chaw ua haujlwm sib txawv muaj cov kev cai sib txawv rau kev ua haujlwm ntawm cov saw hlau, tshwj xeeb tshaj yog nyob rau hauv qhov kub siab lossis qis, kev ua haujlwm ntawm cov khoom siv saw hlau yuav hloov pauv ntau heev, uas cuam tshuam ncaj qha rau lub neej ua haujlwm thiab kev ntseeg siab ntawm cov saw hlau. Tsab xov xwm no yuav tshawb nrhiav qhov cuam tshuam ntawm qhov kub siab lossis qis rau cov khoom siv saw hlau kom tob, thiab muab cov neeg yuav khoom lag luam thoob ntiaj teb nrog cov ntaub ntawv siv rau kev xaiv cov khoom siv saw hlau tsim nyog.

1. Txheej txheem cej luam ntawm cov ntaub ntawv siv rau cov menyuam
Cov saw hlau feem ntau yog ua los ntawm cov hlau carbon, hlau alloy, hlau stainless thiab lwm yam khoom siv. Cov hlau carbon muaj cov yam ntxwv ntawm tus nqi qis thiab lub zog siab, tab sis tsis zoo corrosion thiab oxidation tsis kam; alloy hlau txhim kho lub zog, toughness thiab corrosion tsis kam ntawm cov khoom los ntawm kev ntxiv cov khoom sib xyaw xws li chromium, nickel, molybdenum, thiab lwm yam.; stainless hlau muaj corrosion zoo heev, oxidation tsis kam thiab lub zog siab, thiab yog tsim rau cov chaw ua haujlwm hnyav.

2. Qhov cuam tshuam ntawm qhov kub thiab txias rau cov ntaub ntawv siv rau cov menyuam
(I) Kev hloov pauv ntawm lub zog ntawm cov khoom siv
Thaum qhov kub nce siab, lub zog ntawm cov khoom siv hlau dov yuav maj mam txo qis. Piv txwv li, lub zog ntawm cov hlau carbon dav dav pib txo qis thaum qhov kub tshaj 200 ° C. Thaum qhov kub nce mus txog 300 ° C, qhov kev txo qis ntawm qhov nyuaj thiab lub zog yuav tseem ceeb dua, ua rau lub neej ua haujlwm luv dua ntawm cov hlau. Qhov no yog vim qhov kub siab yuav hloov pauv cov qauv lattice ntawm cov khoom siv hlau, ua rau lub zog sib txuas ntawm cov atoms tsis muaj zog, thiab yog li txo cov khoom siv lub peev xwm thauj khoom.
(ii) Cov nyhuv ntawm kev tiv thaiv oxidation
Nyob rau hauv qhov chaw kub siab, cov ntaub ntawv saw hlau feem ntau yuav muaj kev cuam tshuam oxidation. Cov saw hlau carbon yooj yim cuam tshuam nrog oxygen los tsim cov hlau oxide ntawm qhov kub siab, uas tsis yog tsuas yog siv cov khoom nws tus kheej xwb, tab sis kuj tsim ib txheej oxide rau ntawm qhov chaw ntawm cov saw hlau, ua rau muaj kev sib txhuam ntawm cov saw hlau thiab ua rau hnav ntau ntxiv. Cov saw hlau stainless hlau, vim tias lawv muaj cov khoom sib xyaw xws li chromium, tuaj yeem tsim ib zaj duab xis chromium oxide ntom ntom rau ntawm qhov chaw, uas tuaj yeem tiv thaiv cov pa oxygen kom tsis txhob txuas ntxiv mus rau sab hauv ntawm cov khoom, yog li txhim kho cov saw hlau tiv thaiv oxidation.
(iii) Cov teeb meem roj nplua nyeem
Qhov kub siab tuaj yeem hloov pauv qhov ua tau zoo ntawm cov roj nplua nyeem lossis roj. Ntawm ib sab tes, qhov viscosity ntawm cov roj nplua nyeem yuav txo qis, qhov cuam tshuam ntawm lubrication yuav poob qis, thiab nws yuav tsis tuaj yeem tsim cov zaj duab xis zoo ntawm qhov sib txhuam ntawm cov saw hlau, ua rau muaj kev sib txhuam ntau ntxiv thiab hnav hnyav dua; ntawm qhov tod tes, cov roj tuaj yeem yaj, ua pa lossis txawm tias hlawv, poob nws cov nyhuv lubrication, thiab ua rau cov saw hlau hnav sai dua. Yog li ntawd, thaum siv cov saw hlau hauv qhov chaw kub siab, nws yog qhov tsim nyog los xaiv cov roj nplua nyeem uas haum rau qhov kub siab thiab nce qhov zaus ntawm lubrication.

III. Qhov cuam tshuam ntawm qhov kub thiab txias qis rau cov ntaub ntawv siv rau cov saw hlau

(I) Cov khoom siv brittleness nce ntxiv

Thaum qhov kub txo qis, qhov tawv ntawm cov khoom siv saw hlau yuav txo qis thiab qhov brittleness nce ntxiv. Tshwj xeeb tshaj yog nyob rau hauv qhov chaw kub qis, lub zog cuam tshuam ntawm cov khoom yuav raug txo qis heev, thiab brittle fracture yuav tshwm sim. Piv txwv li, qhov kev ua tau zoo ntawm qee cov saw hlau txheem yuav poob qis heev thaum qhov kub qis dua -20 ℃. Qhov no yog vim tias qhov kev txav ntawm atomic thermal ntawm cov khoom siv tsis muaj zog ntawm qhov kub qis, qhov kev txav mus los nyuaj, thiab cov khoom siv lub peev xwm los nqus cov kev cuam tshuam sab nraud txo qis.

(II) Kev khov ntawm cov roj nplua nyeem

Qhov kub qis yuav ua rau cov roj nplaum lossis roj nplaum ua rau cov roj nplaum nplaum ntau ntxiv, thiab ua rau nws khov. Qhov no yuav ua rau nws nyuaj rau cov saw hlau kom tau lubricated tag nrho thaum pib, ua rau kev sib txhuam thiab kev hnav ntau ntxiv. Ntxiv mus, cov roj nplaum khov yuav cuam tshuam kev ua haujlwm ib txwm ntawm cov saw hlau thiab cuam tshuam rau nws qhov yooj ywm. Yog li ntawd, thaum siv cov saw hlau hauv qhov chaw kub qis, nws yog qhov tsim nyog los xaiv cov roj nplaum uas muaj kev ua haujlwm zoo hauv qhov kub qis, thiab cov saw hlau yuav tsum tau preheated tag nrho thiab lubricated ua ntej siv.
(III) Kev sib cog lus thiab kev hloov pauv ntawm cov saw hlau
Nyob rau hauv qhov chaw kub tsawg, cov khoom siv ntawm cov saw hlau yuav ntsws, uas yuav ua rau qhov loj ntawm cov saw hlau hloov pauv thiab cuam tshuam rau nws qhov kev sib phim nrog lub sprocket. Tsis tas li ntawd, qhov kub tsawg kuj tseem yuav ua rau muaj kev ntxhov siab ntxiv hauv cov saw hlau, ua rau cov saw hlau deform thaum siv, cuam tshuam rau qhov du thiab raug ntawm kev sib kis.

IV. Kev ua tau zoo ntawm cov saw hlau ntawm cov ntaub ntawv sib txawv hauv qhov chaw kub siab thiab qis
(I) Cov saw hlau tsis xeb
Cov saw hlau stainless hlau ua tau zoo hauv ob qho chaw kub thiab txias. Thaum kub siab, nws qhov kev tiv thaiv oxidation thiab lub zog tau zoo, thiab nws tuaj yeem ua haujlwm ib txwm ntawm 400 ° C lossis txawm tias kub siab dua; thaum kub qis, qhov tawv thiab kev tiv thaiv corrosion ntawm stainless hlau kuj zoo heev, thiab nws tuaj yeem siv ntawm -40 ° C lossis txawm tias kub qis dua. Tsis tas li ntawd, cov saw hlau stainless hlau kuj muaj kev tiv thaiv corrosion zoo thiab tsim nyog rau cov chaw kub xws li av noo, kua qaub thiab alkali.
(II) Cov hlau sib txuas hlau
Cov hlau sib xyaw ua ke ua rau cov khoom siv ua tau zoo dua los ntawm kev ntxiv cov khoom sib xyaw. Hauv qhov kub siab, lub zog thiab kev tiv thaiv oxidation ntawm cov hlau sib xyaw zoo dua li cov hlau carbon, thiab nws tuaj yeem siv rau hauv qhov kub ntawm 300 ℃ txog 450 ℃; hauv qhov kub qis, lub zog ntawm cov hlau sib xyaw kuj zoo dua li cov hlau carbon, thiab nws tuaj yeem tiv taus qhov kub qis brittle fracture rau qee qhov. Txawm li cas los xij, tus nqi ntawm cov hlau sib xyaw ua ke yog kim heev.
(III) Cov hlau carbon roller saw
Cov hlau carbon roller saw hlau pheej yig, tab sis nws cov kev ua tau zoo tsis zoo nyob rau hauv qhov kub thiab txias. Thaum kub siab, nws lub zog thiab qhov nyuaj txo qis heev, thiab nws yooj yim rau deform thiab hnav; thaum kub qis, qhov brittleness ntawm cov hlau carbon nce ntxiv, qhov cuam tshuam kev ua tau zoo poob qis, thiab nws yooj yim tawg. Yog li ntawd, cov hlau carbon roller saw hlau yog qhov tsim nyog dua rau kev siv hauv qhov kub thiab txias ib txwm muaj.

V. Kev Tiv Thaiv
(I) Kev xaiv cov khoom siv
Xaiv cov khoom siv ntawm cov saw hlau raws li qhov kub thiab txias ntawm qhov chaw ua haujlwm. Rau qhov kub thiab txias siab, nws raug pom zoo kom muab qhov tseem ceeb rau cov saw hlau ua los ntawm cov hlau tsis xeb lossis cov hlau sib xyaw; rau qhov kub thiab txias qis, koj tuaj yeem xaiv cov saw hlau hlau sib xyaw lossis cov hlau tsis xeb uas tau kho tshwj xeeb kom txhim kho lawv cov tawv thaum kub thiab txias qis.
(II) Cov txheej txheem kho cua sov
Kev ua tau zoo ntawm cov khoom siv hlau dov tuaj yeem txhim kho los ntawm cov txheej txheem kho cua sov kom zoo. Piv txwv li, kev quenching thiab tempering ntawm cov hlau alloy saw hlau tuaj yeem txhim kho lawv lub zog thiab kev tawv; kev kho cov khoom khov kho ntawm cov hlau stainless hlau tuaj yeem txhim kho lawv txoj kev tiv thaiv corrosion thiab kev tiv thaiv oxidation.
(III) Kev tswj hwm lubrication
Nyob rau hauv qhov chaw kub thiab txias, yuav tsum tau ua tib zoo saib xyuas kev tswj hwm lubrication ntawm cov saw hlau. Xaiv cov roj nplua nyeem uas haum rau qhov kub ua haujlwm thiab ua kev saib xyuas lubrication tsis tu ncua kom ntseeg tau tias muaj ib daim zaj duab xis zoo ntawm qhov chaw ntawm cov saw hlau sib txhuam. Nyob rau hauv qhov chaw kub siab, roj uas tiv taus kub siab lossis cov roj nplua nyeem khov kho tuaj yeem siv tau; nyob rau hauv qhov chaw kub qis, cov roj nplua nyeem uas muaj kev ua haujlwm kub qis zoo yuav tsum tau xaiv, thiab cov saw hlau yuav tsum tau preheated ua ntej siv.

VI. Cov ntaub ntawv siv tau tiag tiag
(I) Cov ntaub ntawv thov ib puag ncig kub siab
Cov saw hlau stainless hlau siv rau hauv cov tshuab cua sov kub hauv kev lag luam hlau. Vim yog qhov zoo heev ntawm kev tiv thaiv oxidation thiab kev khaws cia lub zog ntawm cov khoom siv stainless hlau, cov saw hlau tuaj yeem ua haujlwm ruaj khov hauv qhov chaw kub siab, txo cov kev cuam tshuam ntawm kev tsim khoom los ntawm kev puas tsuaj ntawm cov saw hlau. Tib lub sijhawm, kev saib xyuas cov roj nplua nyeem kub siab tsis tu ncua ua rau lub neej ua haujlwm ntev dua.
(II) Cov ntaub ntawv thov hauv qhov chaw kub qis
Hauv cov khoom siv thauj khoom txias ntawm cov saw hlau txias, cov saw hlau sib xyaw ua ke uas tau dhau los ua kev kho mob kub qis tshwj xeeb raug siv. Cov saw hlau no muaj kev tawv zoo thiab tiv taus kev cuam tshuam ntawm qhov kub qis thiab tuaj yeem hloov kho rau qhov chaw kub qis ntawm kev khaws cia txias. Tsis tas li ntawd, los ntawm kev siv cov roj nplua nyeem kub qis, kev ua haujlwm yooj ywm thiab kev hnav qis ntawm cov saw hlau ntawm qhov kub qis tau lees paub.

VII. Xaus Lus
Qhov chaw kub lossis txias muaj feem cuam tshuam loj heev rau kev ua haujlwm ntawm cov khoom siv saw hlau, suav nrog kev hloov pauv ntawm lub zog ntawm cov khoom siv, qhov sib txawv ntawm kev tiv thaiv oxidation thiab kev tiv thaiv corrosion, teeb meem lubrication, thiab kev nce brittleness ntawm cov khoom siv. Thaum xaiv cov khoom siv saw hlau, yuav tsum xav txog qhov kub ntawm qhov chaw ua haujlwm, thiab cov saw hlau ntawm cov khoom sib txawv xws li stainless hlau, alloy hlau lossis carbon hlau yuav tsum tau xaiv kom zoo, thiab cov txheej txheem kho cua sov thiab kev tswj lubrication yuav tsum tau ua kom ntseeg tau tias kev ua haujlwm txhim khu kev qha thiab lub neej ntev ntawm cov saw hlau hauv qhov chaw kub thiab txias. Rau cov neeg yuav khoom lag luam wholesale thoob ntiaj teb, kev nkag siab txog cov yam ntxwv cuam tshuam thiab kev tiv thaiv no yuav pab ua qhov kev xaiv zoo thaum yuav cov saw hlau kom tau raws li qhov xav tau ntawm cov neeg siv khoom sib txawv hauv ntau qhov chaw ua haujlwm.