Cov txheej txheem ua tiav ntawm cov kav hlau ua tiav yog qhov tseem ceeb thiab ua kom tau cov khoom lag luam steel, ntxiv rau cov khoom lag luam steel, txuas ntxiv ua ke, steel yeeb nkab ncaj, kawg txiav ( chamfering, sizing), tshuaj xyuas thiab tshuaj xyuas (suav nrog kev tshuaj xyuas zoo, cov kev kuaj xyuas ntawm heometrice kev sib tsoo, thiab lwm yam), sib tsoo, ntev Kev ntsuas, qhov hnyav, pleev xim, luam ntawv thiab ntim cov txheej txheem. Qee lub hom phiaj tshwj xeeb steel kav kuj xav tau cov tshuaj tua nto, kev siv tshuab ua, kev kho tshuab tiv thaiv xeb, thiab lwm yam.
(I) steel yeeb nkab ncaj ncaj thiab lawv kev tiv thaiv
⒈ Lub hom phiaj ntawm cov yeeb nkab ncaj ncaj:
① Tshem tawm cov dabtsi yog (tsis-ncaj) tsim los ntawm cov yeeb nkab steel thaum lub sijhawm kev thauj mus los thiab kho cua sov thiab txias ua cov txheej txheem
Txo cov otional ntawm cov kav hlau steel
⒉ Cov yeeb yam zoo los ntawm cov yeeb nkab steel nyob rau hauv cov txheej txheem ncaj sib xws: cuam tshuam nrog cov qauv ncaj, muaj cov yam ntxwv haum thiab cov yam ntxwv ntawm cov yeeb nkab steel.
⒊ Qhov tsis zoo nyob rau hauv cov hlau nplaum ncaj: steel kav yog tsis ncaj (cov yeeb nkab kawg), kho hniav, tawg, npuaj, thiab lwm yam.
(II) steel yeeb nkab sib tsoo thiab txiav tej yam tsis xws luag thiab lawv kev tiv thaiv
⒈ lub hom phiaj ntawm kev sib tsoo saum npoo av ntawm cov kav hlau: kom tshem tawm cov qauv kab npoo hlau tab sis yuav tsum muaj av kom huv los txhim kho qhov chaw zoo ntawm cov kav hlau.
2. Tsis xws li los ntawm kev sib tsoo saum npoo ntawm cov kav hlau: Lub ntsiab yog qhov tob thiab cov kab sib tsoo thiab phab ntsa thickness ntawm cov steel yeeb nkab lossis muaj cov duab tsis xwm yeem.
⒊ Cov yeeb nkab yeeb nkab sib tsoo feem ntau yuav feem ntau ua tau raws li cov cai hauv qab no:
① Tom qab qhov tsis xws luag ntawm cov yeeb nkab steel yog kho, phab ntsa tuab ntawm cov yeeb nkab uas tsis zoo ntawm cov yeeb nkab ntawm cov hlau uas tsis zoo yuav tsum ua kom tau raws li cov Txoj kab uas hla ntawm cov yeeb nkab steel.
②②ter saum npoo ntawm cov yeeb nkab steel yog qhov tsim nyog los khaws cov yeeb nkab av ntawm cov yeeb nkab steel uas yog ib qho nkhaus du). Sib tsoo tob: dav: ntev = 1: 6: 8
③ Thaum sib tsoo cov yeeb nkab steel ua ib qho tag nrho, yuav tsum tsis muaj kev hla dhau lossis pom tseeb polygonal cim rau saum npoo ntawm cov yeeb nkab steel.
④THTHTE NTOOG SIB TSOO COV KAWG NKAUS NTAWM COV YEES YEES YUAV TSUM TSIS PUB LEEJ TWG TAU HAUV TUS KHEEJ.
⒋ Qhov kev txiav txim siab tseem ceeb tshwm sim los ntawm cov yeeb nkab hlau muaj xws li: lub ntsej muag kawg ntawm cov yeeb nkab steel tsis tau ntsug, muaj burrs thiab level, thiab lwm yam.
Txhim kho qhov ncaj ntawm cov yeeb nkab steel thiab txo qis lub ovality ntawm cov yeeb nkab steel yog qhov ua kom zoo ntawm cov yeeb nkab steel. Rau cov kav dej hlau nrog cov ntsiab lus high alloy, nplaim taws txiav yuav tsum zam kom ntau li ntau tau los txo qhov tshwm sim ntawm cov yeeb nkab kawg tawg.
(iii) steel yeeb nkab kev ua tej yam tsis xws thiab lawv kev tiv thaiv
⒈ Kev xyaum cov yeeb nkab steel feem ntau suav nrog: nto clig peen, tag nrho cov kev sib tsoo saum npoo thiab kho tshuab.
⒉ NTIAJ SIV: Txhawm rau ntxiv txhim kho qhov chaw zoo thiab qhov tseeb ntawm cov kav hlau.
Cov cuab yeej rau tag nrho kev sib tsoo ntawm sab nraud ntawm cov kav hlau sab nraud feem ntau suav nrog: cov siv abrasive, sib tsoo cov log thiab sib tsoo tshuab cov cuab yeej. Tom qab kev sib tsoo ntawm cov yeeb nkab steel, cov xaim oxide nyob rau ntawm cov yeeb nkab steel tuaj yeem txhim kho, thiab cov yeeb nkab ntawm cov yeeb nkab steel tuaj yeem tshem tawm. Qee qhov tsis xws me me xws li cov kab tawg me me, cov plaub hau, pits, khawb, thiab lwm yam.
① Siv txoj siv muaj abrasive lossis cov log sib tsoo los ua kom tiav cov nplais ntawm cov yeeb nkab steel. Cov khoom tsis xws luag zoo uas yuav suav nrog: daim tawv dub nyob rau saum npoo ntawm cov yeeb nkab hlau, tiaj tiaj tiaj, pits, hlawv thiab hnav cov cim, thiab lwm yam.
② Cov tawv nqaij dub rau saum npoo ntawm cov yeeb nkab steel yog tshwm sim los ntawm kev sib tsoo tus nqi me me lossis cov pits rau saum npoo ntawm cov yeeb nkab steel. Nce cov kev sib tsoo loj tuaj yeem tshem tawm cov tawv dub rau ntawm cov yeeb nkab steel.
③ Qhov Hlau Yeeb Nkab Wallness yog tawm ntawm kev ua siab ntev vim tias qhov kev sib cav tsis zoo ntawm cov yeeb nkab tuab ntawm cov yeeb nkab tuab ntawm cov yeeb nkab tuab ntawm cov yeeb nkab tuab ntawm cov yeeb nkab tuab ntawm cov yeeb nkab loj lossis cov nyiaj sib tsoo loj heev.
④ Burns ntawm saum npoo ntawm cov yeeb nkab steel yog tshwm sim los ntawm kev sib tsoo ntau ntawm cov yeeb nkab steel, cov khoom sib tsoo hauv ib qho sib tsoo, thiab cov sib tsoo log siv yog ntxhib.
Txo cov kev sib tsoo ntawm cov hlau sib tsoo ntawm ib zaug. Siv kev sib tsoo meving rau kev sib tsoo ntxhib ntawm cov yeeb nkab steel thiab cov log zoo sib tsoo rau kev sib tsoo kom zoo. Qhov no tsis tuaj yeem tiv thaiv kev kub hnyiab ntawm cov yeeb nkab saum npoo av, tab sis kuj txo cov kev coj hnav cov cim tsim tawm ntawm cov kab hlau.
⒋ Tua peenes ntawm cov yeeb nkab steel
① cov yeeb nkab steel tua phaj kom yog txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhim kho qhov chaw ntawm cov yeeb nkab ntawm cov hlau.
Qhov loj me thiab hardness ntawm cov xuab zeb txhaj tshuaj thiab kev txhaj tshuaj ceev yog qhov tseem ceeb rau kev txhaj tshuaj kom zoo rau saum npoo ntawm cov yeeb nkab steel.
⒌ Cov Hlau Yeeb Nkab Txawv Tshuab
① atsome steel kav hlau nrog ntau dua sab hauv thiab sab nraud zoo thiaj li yuav tsum tau ua.
②Tensional qhov tseeb, nto zoo thiab nkhaus ntawm kev siv lub tshuab luam ntawv yog unmatched los ntawm kub-dov kav dej.
Hauv ntej, cov txheej txheem ua tiav yog qhov tseem ceeb thiab cov txheej txheem tseem ceeb los xyuas kom meej qhov zoo ntawm cov kav hlau. Ntxiv dag zog rau lub luag haujlwm ntawm cov txheej txheem ua tiav yuav ntseeg tau kev pab ntxiv txhawm rau txhim kho qhov zoo ntawm cov kav hlau.
Lub Sijhawm Post: Apr-01-2024