Cov neeg feem ntau yuav cov hlau tsis xeb uas tau ua tiav lawm, uas ua rau cov neeg ua haujlwm yuav tsum xav txog qhov nyuaj ntawm cov khoom siv.
Ib yam li feem ntau cov ntaub ntawv, cov hlau tsis xeb muaj ntau qhov zoo thiab qhov tsis zoo. Cov hlau raug suav hais tias yog "hlau tsis xeb" yog tias cov hlau sib xyaw muaj tsawg kawg 10.5% chromium, uas tsim cov txheej oxide ua rau nws tiv taus kua qaub thiab xeb. Qhov kev tiv taus xeb no tuaj yeem txhim kho ntxiv los ntawm kev nce cov ntsiab lus chromium thiab ntxiv cov khoom sib xyaw ntxiv.
Cov khoom siv "stainless steel", tsis tas yuav kho ntau, ruaj khov thiab ntau yam tiav ntawm qhov chaw ua rau nws haum rau kev lag luam xws li kev tsim kho, rooj tog, khoom noj thiab dej haus, kev kho mob thiab ntau lwm yam kev siv uas xav tau lub zog thiab kev tiv taus xeb zoo li hlau.
Cov hlau tsis xeb feem ntau kim dua li lwm cov hlau. Txawm li cas los xij, nws muaj cov txiaj ntsig zoo rau lub zog thiab qhov hnyav los ntawm kev tso cai rau cov khoom siv nyias dua li cov qib ib txwm muaj, uas tuaj yeem ua rau txuag tau nqi. Vim nws tus nqi tag nrho, cov khw muag khoom yuav tsum xyuas kom meej tias lawv siv cov cuab yeej zoo kom tsis txhob muaj kev pov tseg kim thiab rov ua dua cov khoom siv no.
Feem ntau cov hlau tsis xeb raug suav hais tias nyuaj rau vuam vim tias nws yaj cov cua sov sai sai thiab xav tau kev saib xyuas zoo thaum lub sijhawm ua tiav thiab txhuam.
Feem ntau, kev ua haujlwm nrog cov hlau tsis xeb yuav tsum tau tus kws vuam lossis tus neeg ua haujlwm uas muaj kev paub ntau dua li kev ua haujlwm nrog cov hlau carbon, uas feem ntau ruaj khov dua. Nws qhov dav tuaj yeem txo qis los ntawm kev qhia qee yam kev teeb tsa, tshwj xeeb tshaj yog thaum vuam. Vim tias tus nqi ntawm cov hlau tsis xeb siab, nws ua rau muaj kev nkag siab ntau dua rau cov neeg ua haujlwm uas muaj kev paub ntau dua siv nws.
"Cov neeg feem ntau yuav cov hlau tsis xeb vim nws cov xim tiav," Jonathan Douville, tus thawj tswj khoom loj, R&D International, Walter Surface Technologies, Pointe-Claire, Que hais. "Cov neeg feem ntau yuav cov hlau tsis xeb vim nws cov xim tiav," Jonathan Douville, tus thawj tswj khoom loj, R&D International, Walter Surface Technologies, Pointe-Claire, Que hais. «Люди обычно покупают нержавеющую сталь из-за ее отделки», — сказал Джонатан Доувилльо, старшиж м R&D International, Walter Surface Technologies, Pointe-Claire, Que. "Cov neeg feem ntau yuav cov hlau tsis xeb vim nws ua tiav," Jonathan Douville, Tus Thawj Saib Xyuas Khoom Qib Siab, R&D International, Walter Surface Technologies, Pointe-Claire, Que hais."Feem ntau cov neeg yuav cov hlau tsis xeb vim nws ua tiav," Jonathan Douville, tus thawj coj laus ntawm kev tshawb fawb thoob ntiaj teb thiab kev txhim kho ntawm Walter Surface Technologies hauv Pointe Claire, Quebec hais. "Qhov no ntxiv rau cov kev txwv uas cov neeg ua haujlwm yuav tsum xav txog."
Txawm hais tias nws yog qhov loj 4 linear texture coating lossis qhov loj 8 iav tiav, tus neeg teb xov tooj yuav tsum xyuas kom meej tias cov khoom siv mos rau cov khoom siv thiab tias cov txheej tsis puas thaum lub sijhawm tuav thiab ua. Nws kuj tseem tuaj yeem txwv cov kev xaiv npaj thiab ntxuav, uas yog qhov tseem ceeb rau kev tsim khoom zoo.
"Thaum ua haujlwm nrog cov khoom siv no, thawj qhov yuav tsum ua yog xyuas kom meej tias nws huv, huv thiab huv dua," Rick Hathelt, PFERD Tus Thawj Coj Cheeb Tsam rau Canada, Ontario, Mississauga, Ontario hais. "Nws yog ib qho tseem ceeb heev kom paub tseeb tias koj muaj huab cua huv (tsis muaj carbon) thaum ntxuav cov hlau tsis xeb kom tshem tawm cov khoom tsis huv uas tom qab ntawd tuaj yeem ua rau oxidation (xeb) thiab tiv thaiv cov txheej txheem passivation los ntawm kev rov qab los ntawm kev tsim cov txheej txheem tiv thaiv kom txo qis oxidation."
Thaum siv cov hlau tsis xeb, cov khoom siv thiab ib puag ncig yuav tsum tau ntxuav. Kev tshem tawm cov roj thiab cov yas seem ntawm cov khoom siv yog qhov pib zoo. Cov pa phem ntawm cov hlau tsis xeb tuaj yeem ua rau oxidation, tab sis lawv kuj tuaj yeem tsim teeb meem thaum lub sijhawm vuam thiab ua rau muaj qhov tsis zoo. Yog li ntawd, nws yog ib qho tseem ceeb kom ntxuav qhov chaw ua ntej vuam.
Ib puag ncig ntawm lub chaw ua haujlwm tsis yog qhov huv tshaj plaws thiab kev sib kis kab mob tuaj yeem ua teeb meem thaum ua haujlwm nrog cov hlau tsis xeb thiab cov hlau carbon. Feem ntau lub khw muag khoom siv ntau lub kiv cua lossis siv lub tshuab cua txias los txias cov neeg ua haujlwm, uas tuaj yeem thawb cov kab mob mus rau hauv pem teb lossis ua rau cov dej ntws lossis cov dej noo los tsim cov khoom siv raw. Qhov no nyuaj tshwj xeeb tshaj yog thaum cov hlau carbon raug cua tshuab rau ntawm cov hlau tsis xeb. Kev sib cais cov ntaub ntawv no thiab khaws cia rau hauv ib puag ncig huv si yog qhov tseem ceeb thaum nws los txog rau kev vuam zoo.
Nws yog ib qho tseem ceeb uas yuav tsum tshem tawm cov xim tsis zoo kom cov xeb tsis txhob sib sau ua ke thiab ua rau lub cev tsis muaj zog. Nws kuj tseem zoo rau tshem tawm cov xim xiav kom sib npaug ntawm qhov chaw.
Nyob rau hauv Canada, vim yog huab cua txias heev thiab lub caij ntuj no, nws yog ib qho tseem ceeb heev uas yuav tsum xaiv cov hlau tsis xeb zoo. Douville piav qhia tias feem ntau cov khw muag khoom thaum xub thawj xaiv 304 vim nws tus nqi. Tab sis yog tias lub khw siv cov khoom no rau sab nraud, lawv yuav pom zoo kom hloov mus rau 316 txawm tias nws kim ob npaug. 304 yooj yim rau xeb thaum siv lossis khaws cia sab nraum zoov. Txawm tias qhov chaw raug ntxuav thiab txheej passivation tau tsim, cov xwm txheej sab nraud tuaj yeem ua rau ntawm qhov chaw, rhuav tshem txheej passivation thiab thaum kawg ua rau xeb dua.
"Kev npaj vuam yog qhov tseem ceeb rau ntau yam laj thawj tseem ceeb," Gabi Miholix, Tus Kws Tshaj Lij Tsim Kho Daim Ntawv Thov, Abrasive Systems Division, 3M Canada, London, Ontario hais. "Kev tshem tawm xeb, xim thiab bevels yog qhov tseem ceeb rau kev vuam kom zoo. Qhov chaw vuam yuav tsum tsis muaj cov khoom tsis huv uas yuav ua rau qhov sib koom ua tsis muaj zog."
Hatelt ntxiv tias kev ntxuav thaj chaw yog qhov tsim nyog, tab sis kev npaj ua ntej vuam kuj tseem yuav suav nrog kev txiav cov khoom siv kom ntseeg tau tias qhov vuam lo thiab muaj zog.
Thaum vuam cov hlau tsis xeb, nws yog ib qho tseem ceeb uas yuav tsum xaiv cov hlau filler kom raug rau qib uas siv. Cov hlau tsis xeb yog qhov rhiab heev thiab xav tau cov welds kom tau ntawv pov thawj rau tib hom khoom siv. Piv txwv li, cov hlau puag 316 xav tau cov hlau filler 316. Cov neeg vuam tsis tuaj yeem siv txhua hom hlau filler, txhua qib ntawm cov hlau tsis xeb xav tau ib qho filler tshwj xeeb kom vuam tau zoo.
"Thaum vuam cov hlau tsis xeb, tus neeg vuam yuav tsum tau saib xyuas qhov kub thiab txias," Michael Radaelli, tus thawj tswj khoom rau Norton | Saint-Gobain Abrasives, Worcester, Massachusetts hais. "Muaj ntau yam khoom siv sib txawv uas siv tau los ntsuas qhov kub ntawm qhov vuam thiab qhov khoom thaum lub tshuab vuam kub, vim tias yog tias muaj qhov tawg hauv cov hlau tsis xeb, qhov khoom yuav luag puas tsuaj."
Radaelli ntxiv tias tus neeg vuam yuav tsum xyuas kom meej tias nws tsis nyob hauv tib qho chaw ntev. Kev vuam ntau txheej yog ib txoj hauv kev zoo los tiv thaiv lub substrate kom tsis txhob kub dhau. Kev vuam ntev ntawm cov hlau tsis xeb tuaj yeem ua rau nws kub dhau thiab tawg.
"Kev vuam hlau tsis xeb tuaj yeem siv sijhawm ntev dua, tab sis nws kuj yog ib qho kev kos duab uas xav tau tes txawj," Radaelli hais.
Kev npaj tom qab vuam yeej nyob ntawm qhov khoom kawg thiab nws daim ntawv thov. Hauv qee kis, Miholix piav qhia, qhov vuam yeej tsis pom, yog li tsuas yog xav tau kev ntxuav tom qab vuam tsawg xwb, thiab txhua qhov spatter pom tseeb raug tshem tawm sai sai. Los yog qhov vuam yuav tsum tau leveled lossis ntxuav, tab sis tsis tas yuav npaj qhov chaw tshwj xeeb. Yog tias xav tau qhov tiav zoo lossis daim iav tiav, cov kauj ruam polishing ntau dua yuav tsum tau ua. Nws tsuas yog nyob ntawm daim ntawv thov.
"Qhov teeb meem tsis yog xim," Miholic hais. "Qhov kev hloov pauv ntawm qhov chaw no qhia tau tias cov khoom ntawm cov hlau tau hloov pauv thiab tam sim no tej zaum yuav oxidize / xeb."
Kev xaiv cov cuab yeej ua tiav qhov ceev uas hloov pauv tau yuav txuag lub sijhawm thiab nyiaj txiag thiab tso cai rau tus neeg teb xov tooj hloov kho qhov tiav.
Nws yog ib qho tseem ceeb uas yuav tsum tshem tawm cov xim tsis zoo kom cov xeb tsis txhob sib sau ua ke thiab ua rau lub cev tsis muaj zog. Nws kuj tseem zoo rau tshem tawm cov xim xiav kom sib npaug ntawm qhov chaw.
Cov txheej txheem ntxuav tuaj yeem ua rau puas tsuaj rau cov chaw, tshwj xeeb tshaj yog thaum siv cov tshuaj lom neeg hnyav. Kev ntxuav tsis raug tuaj yeem tiv thaiv kev tsim cov txheej passivation. Qhov no yog vim li cas ntau tus kws tshaj lij pom zoo kom ntxuav tes ntawm cov khoom vuam no.
"Nrog kev ntxuav tes, yog tias koj tsis pub cov pa oxygen ua rau saum npoo li 24 lossis 48 teev, koj yuav tsis muaj sijhawm los tsim ib qho chaw tsis muaj zog," Douville hais. Nws piav qhia tias qhov chaw xav tau cov pa oxygen los ua rau cov chromium hauv cov hlau sib xyaw ua ke los ua ib txheej passivation. Hauv qee lub khw, nws yog ib txwm muaj kev ntxuav, ntim cov khoom, thiab xa lawv tam sim ntawd, uas ua rau cov txheej txheem qeeb thiab ua rau muaj kev pheej hmoo ntawm kev xeb.
Cov chaw tsim khoom thiab cov neeg vuam feem ntau siv ntau yam khoom siv. Txawm li cas los xij, raws li tau hais ua ntej, kev siv cov hlau tsis xeb muaj qee qhov kev txwv. Siv sijhawm los ntxuav qhov khoom yog thawj kauj ruam zoo, tab sis nws tsuas yog zoo li qhov chaw ib puag ncig nws nyob.
Hatelt hais tias nws tseem pom cov haujlwm muaj kuab paug. Qhov tseem ceeb yog tshem tawm cov pa roj carbon hauv qhov chaw ua haujlwm hlau stainless. Nws tsis yog qhov txawv txawv rau cov khw muag khoom siv hlau hloov mus siv hlau stainless yam tsis tau npaj qhov chaw ua haujlwm kom zoo rau cov khoom siv no. Qhov no yog qhov yuam kev, tshwj xeeb tshaj yog tias lawv tsis tuaj yeem cais ob yam khoom siv lossis yuav lawv cov cuab yeej.
"Yog tias koj muaj txhuam hlau rau kev sib tsoo lossis npaj cov hlau tsis xeb thiab koj siv nws rau ntawm cov hlau carbon, koj siv tsis tau cov hlau tsis xeb lawm," Radaelli hais. "Cov txhuam tam sim no muaj cov pa roj carbon thiab xeb. Yog tias cov txhuam muaj cov kab mob sib kis, lawv yuav tsis tuaj yeem ntxuav tau."
Hatelt hais tias cov khw muag khoom yuav tsum siv cov cuab yeej sib cais rau kev npaj cov khoom siv, tab sis lawv kuj yuav tsum sau cov cuab yeej ua "stainless steel xwb" kom tsis txhob muaj kev ua qias tuaj tsis tsim nyog.
Cov khw muag khoom yuav tsum xav txog ntau yam thaum xaiv cov cuab yeej npaj vuam hlau tsis xeb, suav nrog cov kev xaiv cua sov dissipation, hom minerals, qhov ceev, thiab qhov loj ntawm cov noob.
"Kev xaiv cov khoom siv abrasive uas muaj cov xim pleev xim rau cua sov yog qhov pib zoo," Miholix hais. "Cov hlau tsis xeb yog cov hlau tawv heev thiab tsim cov cua sov ntau dua thaum sib tsoo dua li cov hlau tsis muaj zog. Cov cua sov yuav tsum mus rau qhov twg, yog li muaj ib txheej uas tso cai rau cov cua sov ntws mus rau ntug ntawm lub disc, es tsis txhob nyob twj ywm qhov chaw koj tab tom sib tsoo. thaum ntawd nws zoo meej."
Qhov kev xaiv ntawm cov khoom siv abrasive kuj nyob ntawm seb qhov tiav tag nrho yuav tsum zoo li cas, nws hais ntxiv. Nws yeej nyob ntawm tus neeg saib. Cov khoom siv alumina hauv cov khoom siv abrasives yog hom siv ntau tshaj plaws hauv cov kauj ruam tiav. Yuav kom ua rau cov hlau tsis xeb zoo li xiav ntawm qhov chaw, yuav tsum siv cov khoom siv silicon carbide. Nws ntse dua thiab tawm cov qhov txiav tob dua uas cuam tshuam lub teeb sib txawv, ua rau nws xiav. Yog tias tus neeg teb xov tooj tab tom nrhiav qhov tiav tshwj xeeb lossis tshwj xeeb, nws yog qhov zoo tshaj plaws los tham nrog tus neeg muag khoom.
"RPM yog ib qho teeb meem loj," Hatelt hais. "Cov cuab yeej sib txawv xav tau RPMs sib txawv thiab feem ntau khiav ceev dhau. Kev siv RPM kom raug muab cov txiaj ntsig zoo tshaj plaws, ob qho tib si hais txog qhov ua tiav sai npaum li cas thiab qhov zoo. Nrhiav seb koj xav tau qhov tiav dab tsi thiab yuav ntsuas nws li cas."
Douville ntxiv tias kev nqis peev rau cov cuab yeej ua tiav qhov ceev sib txawv yog ib txoj hauv kev los daws cov teeb meem ceev. Ntau tus neeg ua haujlwm sim siv lub tshuab sib tsoo ib txwm rau kev ua tiav, tab sis nws tsuas muaj qhov ceev siab rau kev txiav. Kev ua tiav ntawm cov txheej txheem yuav tsum tau qeeb qeeb. Kev xaiv cov cuab yeej ua tiav qhov ceev sib txawv yuav txuag lub sijhawm thiab nyiaj txiag thiab tso cai rau tus neeg ua haujlwm kho qhov tiav.
Qhov xuab zeb kuj tseem ceeb thaum xaiv cov khoom siv abrasive. Tus neeg teb xov tooj yuav tsum pib nrog cov xuab zeb zoo tshaj plaws rau kev siv.
Pib nrog 60 lossis 80 grit (nruab nrab), tus neeg teb xov tooj tuaj yeem dhia mus rau 120 grit (zoo) thiab 220 grit (zoo heev) yuav luag tam sim ntawd, ua rau cov hlau tsis xeb tiav qib 4.
"Nws yuav ua tau li peb kauj ruam xwb," Radaelli hais. "Txawm li cas los xij, yog tias tus neeg teb xov tooj tab tom ua haujlwm nrog cov vuam loj, nws tsis tuaj yeem pib nrog 60 lossis 80 grit thiab xaiv tau 24 (coarse heev) lossis 36 (coarse) grit. Qhov no ntxiv ib kauj ruam ntxiv thiab tuaj yeem nyuaj. tshem tawm cov khawb tob hauv cov khoom siv."
Tsis tas li ntawd xwb, kev ntxiv cov tshuaj tsuag tiv thaiv kev tawg lossis gel tuaj yeem yog tus phooj ywg zoo tshaj plaws rau tus kws vuam, tab sis nws feem ntau tsis quav ntsej thaum vuam cov hlau tsis xeb, Douville hais. Cov khoom tawg yuav tsum tau tshem tawm, uas tuaj yeem khawb qhov chaw, xav tau cov kauj ruam xuab zeb ntxiv thiab siv sijhawm ntau dua. Cov kauj ruam no tuaj yeem tshem tawm yooj yim nrog lub kaw lus tiv thaiv kev tawg.
Lindsay Luminoso, tus kws kho xov xwm pabcuam, pab txhawb rau ob qho tib si Canadian Metalworking thiab Canadian Fabricating & Welding. Lindsay Luminoso, tus kws kho xov xwm pabcuam, pab txhawb rau ob qho tib si Canadian Metalworking thiab Canadian Fabricating & Welding. Линдси Луминосо, помощник редактора, вносит свой вклад как в Canadian Metalworking, так и в Canadian Fabricating & Vuam. Lindsey Luminoso, Tus Kws Kho Xov Xwm Pabcuam, pab txhawb rau ob qho tib si Canadian Metalworking thiab Canadian Fabricating & Welding.Lindsey Luminoso, Tus Kws Kho Xov Xwm Pab Cuam, pab txhawb rau Metal Fabrication Canada thiab Fabrication thiab Welding Canada. Nws yog Tus Kws Kho Xov Xwm Pab Cuam/Tus Kws Kho Xov Xwm Hauv Is Taws Nem ntawm Metal Fabrication Canada txij xyoo 2014 txog 2016 thiab tsis ntev los no yog Tus Kws Kho Xov Xwm Pab Cuam hauv Chav Tsim Qauv.
Luminoso muaj daim Bachelor of Arts degree los ntawm Carleton University, daim Bachelor of Education degree los ntawm University of Ottawa, thiab daim ntawv pov thawj kawm tiav qib siab hauv Books, Magazines, thiab Digital Publishing los ntawm Centennial College.
Nyob twj ywm txog cov xov xwm tshiab, cov xwm txheej thiab cov thev naus laus zis thoob plaws txhua yam hlau los ntawm peb ob tsab ntawv xov xwm txhua hli sau tshwj xeeb rau cov chaw tsim khoom hauv Canada!
Tam sim no nrog kev nkag mus rau Canadian Metalworking digital tsab, nkag mus tau yooj yim rau cov peev txheej muaj txiaj ntsig hauv kev lag luam.
Tam sim no nrog kev nkag mus rau hauv digital tag nrho rau Made in Canada thiab Weld, koj muaj kev nkag mus tau yooj yim rau cov peev txheej muaj txiaj ntsig hauv kev lag luam.
Qhia txog txoj kev txau tshuaj uas ntse dua. Qhia txog qhov zoo tshaj plaws ntawm 3M kev tshawb fawb hauv ib rab phom ntse tshaj plaws thiab sib dua hauv ntiaj teb.