"Stainless hlau txheem qhov chaw" yog ib lub tswv yim tshwj xeeb uas muaj ntau hom khoom. Stainless hlau txheem qhov feem ntau siv rau fastening rau ntau lub cav vim qhov lawv zoo nkauj tsos, durability, thiab muaj zog corrosion kuj. Nrog rau kev kawm ntawm cov haiv neeg, cov qauv kev siab dua kuj yog tsim rau cov hlau tsis muaj qhov ntxaij. Stainless hlau txheem qhov chaw kuj xa mus rau stainless hlau screws thiab yog lub teb chaws standard screws. Specifications, tolerances yog lub teb chaws tus qauv.
Ua ntej, stainless steel txheem fasteners feem ntau muaj xws li cov nram qab no 12 hom ntawm qhov chaw:
1. Puaj phom: Ib hom khawm ntawm lub taub hau thiab ib lub hau (cylindrical lub cev nrog ib sab xov sab nraud), uas yuav tsum tau sib koom tes nrog lub txiv ntoo thiab siv los ntsaws ob seem nrog rau qhov ntawm qhov. Hom kev txuas no hu ua bolted connection. Yog hais tias lub txiv ntoo yog unscrewed los ntawm bolt, ob feem yuav raug sib cais, yog li qhov bolt kev twb kev txuas yog ib qho kev txuas txuas.
2. NQHAJ: Ib hom khi hlua khau uas tsis muaj lub taub hau thiab tsuas xauj ntawm ob hnub. Thaum muaj kev sib txuas, ib qho kawg yuav tsum tau muaj lub hau ntsaws rau sab nraud nrog rau qhov chaw hauv qab thiab qhov kawg ntawm qhov sib xyaw nrog lub qhov, thiab ces ntsia ntawm lub txiv roj hmab txawm tias ob qho chaw ntim rau hauv ib qho. Qhov kev sib txuas ntawm no yog hu ua kev sib txuas ua ke thiab nws kuj yog ib qho kev sib txuas. Nws yog tsuas yog siv rau lub sij hawm thaum ib qho ntawm qhov chaw txuas nrog lub pluaj loj, yuav tsum muaj kev cog lus, los yog nquag siv rau bolting vim muaj kev sib tsoo heev.
3. Screw: Nws tseem yog ib hom khawm ntawm ob feem ntawm lub taub hau thiab lub hau ntswj. Nws tuaj yeem muab faib ua peb pawg raws li lub hom phiaj: tshuab screws, npaj cov ntsia hlau thiab cov hom phiaj tshwj xeeb. Lub cav ntsia hlau yog tsuas yog siv rau ib qho chaw nrawm nrog lub qhov nruam thiab qhov txuas nrog qhov sib txuas nrog lub qhov khoob, thiab tsis xav tau ib lub txiv ntoo kom haum (hom kev twb kev txuas hu ua tus ntsia thawv kev txuas thiab nws kuj yog ib qho khoom ntiag tug kev sib txuas; nws kuj yog Fits nrog lub txiv ntoo kom sib txuas ntawm ob qho chaw nrog rau qhov ntawm qhov.) Muab cov ntsia hlau siv los txhim kho txoj hauj lwm txheeb ze ntawm ob qho chaw. Cov phiaj xwm tshwj xeeb uas siv tawv muag xws li eyebolts yog siv rau kev nqa khoom.
4. Lub plhaub taub tawv taub: nrog cov hlua khoob hauv sab hauv, tus qauv yog feem ntau sab qaum qis, nws tseem muaj lub txaj txaj txawb los yog cylindrical, nrog rau lub tsho loj, ntsia hlau lossis tshuab, siv ntswj kev txuas ntawm ob qhov chaw, Ua kom nws zoo . Tshwj xeeb ntawm cov neeg ceev
High-power self-locking yog cov chav kawm ntawm tus kheej ntsuas qe, nrog lub siab muaj zog thiab kev ntseeg siab. Nws yog tsuas yog kev qhia txog European technology raws li ib lub hauv paus rau kev siv kev siv tshuab, tsuas machinery, kev kho tshuab khoom, etc. Tam sim no, muaj ntau tsawg manufacturers ntawm xws li cov khoom.
Nylon tus kheej txhav nylon Nylon tus kheej qij nut yog ib yam tshiab ntawm high-vibration thiab xoob pov thawj fastening yam uas yuav siv tau ntau yam khoom siv thiab hluav taws xob cov khoom nrog rau kub ntawm -50 100 ° C. Tam sim no, qhov kev thov nylon nws tus kheej txhav nuts tau nce ntau hauv kev ua lag luam, aviation, tsheb sib tsoo, tsheb thauj khoom, tsheb thauj khoom, tsheb machinery, textile machinery, cov khoom hluav taws xob, thiab ntau hom tshuab. Qhov no yog vim nws txoj kev ntseeg siab mus rau kev vibration thiab loosening. Rau ntau lwm
Los tivthaiv kabmob, thiab lub neej vibration yog ntau zaus lossis txawm ntau zaus ntev dua. Ntau tshaj li ntawm 80 feem pua ntawm cov xwm txheej hauv cov khoom tam sim no thiab cov khoom siv yog los ntawm lub xoob ntawm cov kab txuas, tshwj xeeb tshaj yog nyob rau hauv cov cav hlau.
Kev siv nylon nws tus kheej txhav tawm tau tshem tawm cov xwm txheej loj los ntawm kev xoob xoob.
5. Kev nqes tes rau tus kheej: zoo ib yam li lub cav ntsia, tab sis cov xov ntawm lub ntsia hlau yog ib qho tshwj xeeb xov rau tapping screws. Nws yog siv los txhom thiab txuas ob thooj hlau rau hauv ib qho chaw. Lub qhov me me yuav tsum tau ua ntej ua ntej ntawm lub cheebtsam. Vim hais tias tus screws muaj ib lub siab tawv, lawv muaj peev xwm raug screwed ncaj qha mus rau hauv lub qhov ntawm lub Cheebtsam yuav ua rau lub Cheebtsam Nceag sab nrau threads tsim. Qhov kev txuas ntawm no kuj yog ib qho kev sib txuas.
6. Cov cav ntoo: zoo ib yam li cov tshuab ntswg, tab sis cov xov hauv qhov ntsia hlau yog ib lub cav ntoo tshwj xeeb nrog cov hlua uas tau ncaj qha mus rau cov ntoo (los yog ib feem) rau cov hlau (lossis tsis yog hlau) nrog lub qhov Cov khoom sib txuas nrog cov ntoo ua ke. Qhov kev twb kev txuas no kuj yog ib qho kev sib txuas ntawm detachable.
7. Khoom siv: Ib hom khij nyiab uas muaj nyob rau hauv cov qauv. Tso nruab nrab ntawm qhov chaw txhawb rau ntawm qhov taub, ntsia hlau los yog txiv ntseej thiab ntu ntawm qhov txuas, ua si lub luag haujlwm ntawm qhov sib txuas ntawm qhov chaw ntawm qhov txuas, txo qhov siab ntawm cheeb tsam thiab tiv thaiv qhov chaw ntawm qhov puas ntsoog; lwm hom elastic gasket, Muaj peev xwm tseem ua si lub luag hauj lwm tiv thaiv cov txiv ntoo ntawm loosening.
8. Txo cov nplhaib: Nws tau muab tso rau hauv lub ntsej muag ntawm qhov ntsej muag los yog qhov ntxig ntawm lub cav thiab khoom siv thiab ua kom tiv thaiv tau cov khoom ntawm lub qhov muag los yog qhov tawm ntawm sab laug los yog sab xis.
9. PIN: tsuas yog siv rau qhov chaw ntawm qhov chaw, thiab qee qhov kuj siv tau los txuas rau qhov chaw, kho qhov chaw, xa hluav taws xob los sis xauv lwm cov txuas ntxiv.
10. Rivet: Ib hom khawm ntsej muag uas muaj lub taub hau thiab ib qho shank uas siv los txuas zom ntuag (lossis khoom) uas txuas ob txog kab hauv ib qho chaw. Hom kev txuas no hu ua rivet kev twb kev txuas, los yog cias riveting. Generic thiab non-detachable kev twb kev txuas. Vim tias ob feem ntu uas sib txuas nrog ua ke yuav tsum tau sib cais, lub rivet ntawm ib sab yuav tsum muab pov tseg.
11. Sibtham thiab cov couplings: Cov khoom sibntsib yog ib hom kev txuas rau, xws li kev sib xyaw ntawm lub cav siv (lossis ntsia thawv, tus kheej muab ntsia hlau) thiab ib lub cav fais fab (los yog lub caij nplooj ntoos hlav, lub taub hau); Sub-ntiv tes Ib hom khij nyiab uas muaj khoom sib txuas nrog cov xaum, cov txiv ntseej, thiab cov ntxhua khaub ncaws, xws li lub tshuab ua lub siab tawv loj rau cov qauv hlau.
12. Welded nails: Vim muaj ntau hom kev sib txuas ntawm lub teeb nrig thiab cov ntsia hlau hau (los yog tsis muaj hau hau), lawv khov kho mus rau ib qho (los yog tivthaiv) los ntawm qhov vuam kom lawv thiaj li txuas nrog lwm cov qauv tsis muaj hlau qhov chaw. .
Qhov ob, cov khoom
Stainless hlau txheem qhov chaw muaj lawv tus kheej cov kev cai rau cov khoom ntawm raw khoom. Feem ntau cov hlau tsis muaj steel hlau tuaj yeem ua rau steel hlau los yog pas nrig ua haujlwm rau lub khau raj, nrog rau cov hlau steel hlau, ferritic stainless hlau, martensitic stainless hlau, thiab nag lossis daus hardened steel. Txoj ntsiab cai yog thaum xaiv cov ntaub ntawv yog dab tsi? Kev xaiv ntawm cov khoom tsis muaj stainless hlau yog txiav txim siab los ntawm cov nram qab no:
1, khawm khoom nyob rau hauv cov khoom siv dag zog, tshwj xeeb tshaj yog cov kev xav tau;
2. Cov kev cai ntawm kev ua haujlwm ntawm kev sib tiv ntawm cov khoom siv corrosion;
3, qhov kub ua hauj lwm ntawm cov khoom kub tsis ua hauj lwm (kev kub lub zog, kev ua kom tsis muaj oxidation);
4, kev tsim cov txheej txheem ntawm kev ua cov ntaub ntawv ua tiav;
5. Lwm yam, xws li nyhav, nqi, thiab yuav khoom, yuav tsum suav txhua yam.
Tom qab ua tiav thiab kev saib xyuas txog tsib yam, cov ntaub ntawv uas tsis muaj ntaub ntawv tsis muaj ntaub qhwv tau raug xaiv thaum kawg raws li cov kev cai hauv lub tebchaws. Cov txheej txheem thiab cov khoom fais fab yuav tsum tau ua raws li txoj cai: bolts, screws thiab studs (3098.3-2000), txiv ntseej (3098.15-2000), npaj cov ntsia hlau (3098.16-2000).
Qeb peb, qhov yuav tsum tau xaiv
Cov uas yuav tsum tau xaiv ntawm cov hlau tsis txhuam cov txheej txheem yog cov xim tsis tshua muaj hlau. Stainless hlau yog hlau uas tsis yooj yim rusted. Nyob rau hauv qhov tseeb, ib feem ntawm stainless hlau muaj ob qho tib si stainless thiab acid tsis kam (corrosion tsis kam). Cov hlau tsis muaj stainless thiab corrosion kuj yog vim tsim ntawm lub chromium-nplua nuj oxide zaj duab xis (passivation zaj duab xis) ntawm nws qhov chaw. Qhov no stainless hlau thiab corrosion kuj yog txheeb ze. Cov kev kuaj pom tau hais tias cov hlau nyob hauv cov cua, dej thiab lwm yam tsis muaj zog thiab nitric acid thiab lwm yam oxidizing, nws txoj kev xeb yuav ua rau nce dej ntawm cov ntsiab lus ntawm chromium hauv cov hlau, thaum cov ntsiab lus chromium nce mus txog ib qho feem pua, qhov corrosion ntawm hlau tshwm sim Mutation, uas yog, los ntawm xeb rau xeb, ntawm corrosion tsis kam mus corrosion. Nws muaj ntau txoj hauv kev faib tawm xim hlau. Raws li chav nyob hauv chav tsev, muaj martensitic, austenite, ferritic thiab duplex stainless steel; raws li lub ntsiab tshuaj muaj pes tsawg leeg, yuav muab faib ua chromium stainless hlau thiab chromium nickel stainless hlau ob lub nruab loj; los ntawm lub hom phiaj Muaj cov nitric acid-resistant stainless hlau, sulfuric acid-resistant steel hlau, seawater-resistant stainless hlau txheem qhov, thiab lwm yam., raws li tus corrosion kuj hom tau muab faib ua corrosion resistant stainless hlau, kev nyuaj siab corrosion resistant steel hlau, kev xeb hlau ua tsis muaj zog hlau, thiab lwm yam .; raws li cov yam ntxwv muaj peev xwm yuav muab faib ua cov pawg tsis muaj hlau nplaum, hlau dawb, tsis muaj cov xim stainless hlau, muaj zog stainless hlau thiab nyob rau. Vim tias steel tsis muaj kev txhim kho corrosion, ua tau zoo, muaj kev sib haum, thiab muaj zog ntau tshaj li qhov kub, nws tau raug siv hauv cov lag luam xws li kev lag luam hnyav, kev lag luam lub teeb, txhua yam khoom siv, thiab kho vaj tse kom zoo nkauj. .
Austenitic stainless hlau, ib qho ntawm cov hlau tsis txhuam cov txheej txheem
Stainless hlau nrog austenitic qauv ntawm chav tsev kub. Thaum cov hlau muaj li ntawm 18% ntawm Cr, 8% rau 10% Ni, thiab li 0.1% ntawm C, nws muaj ib qho kev ruaj ntseg austenite qauv. Austenitic chromium-nickel stainless steels muaj xws li nto moo 18Cr-8Ni steel thiab High Cr-Ni series steels raws li Cr thiab Ni cov ntsiab lus muaj zog thiab Mo, Cu, Si, Nb, Ti thiab lwm yam ntxiv. Austenitic stainless steels yog non-sib nqus thiab muaj lub siab tawv thiab zoo, tab sis lawv muaj zog thiab tsis muaj zog los ntawm theem hloov. Lawv tsuas yog muaj zog los ntawm kev ua haujlwm txias. Xws li muab S, Ca, Se, Te thiab lwm cov ntsiab lus, nws muaj kev ywj pheej zoo pub dawb. Stainless Steel Txheem Tshooj Ntxiv rau corrosion ntawm oxidation-resistant acid media, cov hlau muaj Mo, Cu, thiab lwm yam khoom uas tiv taus corrosion los ntawm sulfuric acid, phosphoric acid, thiab formic acid, acetic acid, thiab urea. Yog hais tias cov ntsiab lus ntawm cov steel yog tsawg tshaj li 0.03% los yog muaj Ti, Ni, nws muaj peev xwm ho ua kom nws tsis kam ua rau intergranular corrosion. High-silicon austenitic stainless hlau concentrated nitric acid kuj muaj corrosion kuj zoo. Vim hais tias austenitic stainless hlau muaj comprehensive thiab zoo kev ua tau zoo, nws tau dav siv nyob rau hauv ntau yam lag luam.
Stainless steel txheem qhov ob ferritic stainless hlau
Stainless hlau nrog ferrite qauv nyob rau hauv kev siv. Chromium ntsiab lus ntawm 11% mus rau 30%, nrog lub cev-koom cubic siv lead ua. Qhov hom hlau no feem ntau yog xi-dawb, thiab qee zaum muaj tsawg tus nqi xws li Mo, Ti, thiab Nb. Qhov hom hlau no muaj cov thermal conductivity, me me ua kom txaus, zoo oxidation, thiab tsis kam ua kom muaj kev ntxhov siab, thiab lwm yam, qhov cub, dej thiab oxidizing acid corrosion qhov chaw. Xws li cov hlau muaj qhov tsis zoo ntawm cov pluag pluaj, nws txo qis txhuam hniav thiab qhov kev ua haujlwm tiv thaiv, uas txwv lawv daim ntawv thov. Cov tshuab ua kom siv hluav taws xob (AOD los yog VOD) ua tau zoo heev kom txo qhov sib txawv xws li carbon thiab nitrogen. Stainless steel txheem txheem yog li ua rau hom steel dav siv.
Qeb plaub, kev daws teeb meem
Stainless hlau txheem qhov peb feem ntau ntsib qhov teeb meem yog tus qauv stainless hlau xauv qhov teeb meem. Li ntawd, vim li cas thiaj tsis stainless hlau txheem qhov chaw xauv li! Yog vim li cas? Vim li cas ho tsis tau koj hnov tias cov txheej txheem ntsuas hlau yuav tsis xauv? Qhov no tej zaum yuav tau saib ob cov ntaub ntawv ntawm cov hlau tsis muaj steel thiab hlau. Stainless hlau txheem qhov chaw yog softer thiab muaj zoo dua ductility. Qhov nyuaj ntawm cov kav hlau tsis muaj steel txheem yog SUS316. Piv nrog rau qhov nyuaj ntawm cov txheej txheem tus qauv, lawv txhua tus softer dua li hlau qhov chaw 8.8. Cov neeg siv ntawm fasteners feem ntau xav: Vim li cas cov stainless hlau fasteners tej zaum muaj ib qho teeb meem ntawm txhav, thiab thaum siv cov steel fasteners, zoo xws li phenomenon tsis tshwm ntau, yog tias cov tsis muaj steel hlau fasteners yog cov khoom softer thiab carbon steel? Vim li cas cov neeg txuas khov kho kuj nyuaj? Yog lawm! Stainless hlau thiab cov pa carbon yog cov tseem zoo sib txawv. Stainless hlau muaj zoo ductility, tab sis nws cov hardness yog somewhat txawv los ntawm cov steel hlau.
Xov galling feem ntau tshwm sim rau cov fasteners uas ua los ntawm steel hlau, txhuas alloys, thiab titanium alloys. Cov hom hlau no muaj cov khoom siv los tiv thaiv corrosion thiab muaj peev xwm raug puas tsuaj thaum lub dav hlau puas lawm. Ib txheej txheej ntawm oxide (chromium oxide nyob rau hauv cov ntaub ntawv ntawm austenitic stainless hlau) yog tsim los ntawm cov hlau ntom kom tiv thaiv ntxiv corrosion. Thaum tus pas hlau tsis xauv npo kaw lawm, lub siab thiab cua sov ntawm qhov kev sib tw yuav ua kom puas thiab so tawm ntawm chromium oxide txheej ntawm lawv, xwv cov hlau yuav thaiv kev ncaj / shear, thiab tom qab ntawd ces qhov tshwm sim nyob sab qaum yuav tshwm sim (Feem ntau tsis pub muaj ntau tshaj ib qho ntawm lub cev ntawm lub cev yuav ua rau cov hlua khau tsis ruaj tsis khov thiab tsis tuaj yeem raug muab tshem tawm los yog kaw tsis tau.Qhov feem ntau ntawm kev thaiv cov ntaiv-shearing-adhesion-locking ua qhov chaw hauv vib nas this. ntawm cov khoom tsis muaj qab hau thiab ua raws li cov txheej txheem khiav lag luam yog qhov tseem ceeb los tiv thaiv cov hlau tsis muaj zog ntawm cov lockers los ntawm kev xauv.
Sab nrauv ua rau xauv npo
(1) Cov khoom muag tsis raug xaiv Ua ntej siv, nws yuav tsum paub tseeb tias cov khoom siv dag zog ntawm cov khoom yuav ua tau raws li kev siv cov khoom siv (xws li lub zog ntawm lub qhov ntswg thiab txoj kev nyab xeeb ntawm lub txiv ntoo). Ntxiv mus, qhov ntev ntawm cov ntsia hlau yuav tsum raug xaiv kom zoo rau lub hau ntswj kom qis ib lossis ob qho hniav raug.
(2) Rough grain or sticking cov ntaub ntawv txawv teb chaws xws li cov kab yas looj thiab lwm yam hlau khib nyiab sib xyaw ntawm cov hniav, feem ntau ua rau xauv.
(3) Siv quab yuam ntau los sis xauv ceev ceev dhau. Siv lub qhov ntswg qhov ntswg los yog lub qhov ntsaws qhov ncauj kom ntau li ntau tau kom tsis txhob siv cov ciaj ntswj lossis cov ciaj ntswj hluav taws xob. Vim tias tus ciaj ntswj fais fab feem ntau ua rau lub xauv ceev ceev dhau los, qhov kub nce qeeb thiab xauv.
(4) Cov kev coj tsis ncaj ntawm kev coj ntawm kev quab yuam Lub txiv ntoo yuav tsum tau ntsia hlau rau lub voj voog thiab yuav tsum tsis txhob qij.
(5) Kev siv cov thawv ntxuav tsheb / nres rings uas tsis siv lawv tuaj yeem tiv thaiv cov caij nyoog ntxiv.
V. Kev Tiv Thaiv Cov Tiv Thaiv thiab Kev Tiv Thaiv Kev Tiv Thaiv Txhav Xauv Cov Txheej Txheem Stainless Steel
1. Thaum siv cov hlau tsis muaj steel, yog txiv ntseej txhua lub xauv ntawm kev ceev ceev?
Yog hais tias tus neeg siv yog tshiab rau txoj kev los yog tsis paub txog cov txheej txheem tsis muaj kev ntxhib ntxoo, nrog koj tus tswv tsev rau cov yam ntxwv ntawm cov hlau tsis huv. Feem ntau, qeeb qhov ceev ntawm kev kaw cia tuaj yeem txo qhov tsawg (los yog tag nrho kom tsis txhob muaj) qhov muab sij hawm ntawm lockup. Vim tias cov cua sov feem ntau tshwm sim thaum lub sijhawm kaw, thaum lub zog hluav taws xob nce, qhov yuav ua rau muaj kev tu ncua ntxiv. Hauv kev siv, txoj kev xauv cov xov steel tsis ruaj ruaj yuav tsum qis dua qhov kev xauv cov ntsuas phom.
2. Koj puas ntub lub hau los yog lub txiv ntses ua ntej yuav kaw nws?
Yog tias cov lus teb "tsis muaj", peb pom zoo kom siv cov roj butter, molybdenum disulfide, graphite, mica, lossis talc kom ntub cov hniav sab hauv thiab sab nraud los txo qhov hnyav. Coupling kuj yog ib qho zoo lubrication txujci. Cov txiv ntoo uas tau raug ntes thiab kho yuav zoo li ib txheej ntawm cov zaj duab xis ntawm cov txiv ntoo thiab cov ntsia hlau.
3. Puas yog koj siv tib qib qib screws thiab ceev?
Yog tias lo lus teb yog muaj, nws raug nquahu siv ntau qib screws thiab ceev, xws li 304 nrog 316 thiab ntxiv rau. Txawm li cas los xij, nws yuav tsum tau sau tseg tias cov qhab nia ntawm cov hlau tsis xaiv kuj tau raws li nws cov xeb thiab kev sib xyaw corrosion yuav tsum.
Tsis tas li ntawd, lub rooj kaw lus yog qhov rooj tshaj plaws thaum lub flange raug kaw. Xav tias koj tau pom thiab ua raws li cov ntsiab lus saum toj no, nrog rau kev siv cov ntxhuav, txheej ceev (ntev cov txiv ntseej, xws li GB6170 los yog DIN934 tej zaum kuj yuav raug nquahu), txiv ntseej rau kab pheeb ces kaum, thiab maj mam zawm thiaj li qib thiab zoo rau, yog nws tseem tsis tuaj yeem muab daws tau, feem ntau tom qab lub pre-lock tsis muaj mos txwv, thiab thaum kawg, koj yuav tsum siv lub sijhawm cov pa roj carbon fiber ntau nyob rau hauv qhov kev kaw ua ntej flange, tos kom txog thaum kawg lub xeem xauv thiab siv cov pas hlau tsis muaj hau Lub kaus mom, nrhiav kev sib npaug ntawm cov xeb zoo nkauj thiab tsis xauv.
Stainless hlau txheem qhov chaw nws yog nws xauv-up phenomenon, uas ua rau muaj kev xauv-up phenomenon, ces peb yuav tsum xub nrhiav seb yog vim li cas rau qhov ntau lawm ntawm qhov xauv-up phenomenon. Tom qab ntawd muaj kev tsom xyuas qhov laj thawj ntawm qhov laj thawj rau lub xauv, xaiv ib qho kev daws teeb meem zoo, qhov tsim nyog thiab yog qhov tseeb kom daws tau qhov teeb meem qhov ntsuas ntawm qhov tsis txhuam steel tus txheem.