Qhov txaus ntshai tshaj plaws daim ntawv ntawmLaum YeebUa tsis tiav yog qhov tawg.Ib zaug tsav cov yeeb nkab tawg thaum lub sijhawm kev coj ua lossis kev ntsuas kev cuam tshuam rau cov phiaj xwm kev lag luam, tsis yog kev ncua lub npe thiab ua kom muaj lub npe tsis txaus ntseeg. Yog li, cov tuam txhab kev tsim kho yuav tsum kawm paub xaiv cov kav hlau kom zoo thiab tsim cov kav dej uas tsim kom muaj zog thiab tsim cov kav dej nrog lub zog siab, elasticity, thiab kev ntseeg tau.
Ua rau Laum Yeeb Nkab Tsis Ua Haujlwm (feem ntau sleacture):Ib cag ntawm cov teeb meem zoo, kev ua haujlwm tsis raug thaum lub sijhawm kev tsim kho yog lub ntsiab ua rau tho yeeb tsis ua haujlwm.
1. Cov ntaub ntawv tseem ceeb thiab ua rau cov yeeb nkab tho tsis ua haujlwm
Laum Kav uas siv rau hauv kev coj ua kev coj ua lossis taw qhia kev ua haujlwm tsis zoo yog qhov tsis yog rau lub zog tseem ceeb thiab telional rog tab sis kuj tseem ua rau cov rog dabtsi. Thaum hla dhau ntawm cov ntu nkhaus, cov yeeb nkab laum yog yuam kom khoov, nrog sab hauv arc nyob rau hauv compressive kev ntxhov siab thiab sab nraud arc nyob rau hauv tensile kev ntxhov siab. Raws li lub laum yeeb nkab tig rau hauv tshooj nkhaus, cov yeeb nkab lub cev muaj kev ntxhov siab, thiab cov me dua ntawm lub vojvoog ntawm lub borehole, qhov ntau dua cov kev ntxhov siab no. Kev tshawb fawb qhia tau hais tias ib zaug cov kev ntxhov siab no ncav cuag ib qho kev pib, lawv tuaj yeem yooj yim ua rau qaug zog tawg hauv cov yeeb nkab laum. Thaum pib ua rau cov kab nrib pleb no tsis tshua zoo thiab nyuaj rau ntes tau nrog lub qhov muag liab qab, tab sis lawv propagate sai, thaum kawg uas ua rau tawg tawg. Kev ntsuam xyuas paub tseeb tias kev qaug zog vim kev nyuaj siab yog qhov tseem ceeb thawj cov yeeb nkab tsis ua haujlwm hauv kev txiav txim siab. Muaj ntau kis ntawm laum yeeb nkab tawg thaum coj kev khiav haujlwm kev ua haujlwm pab txhawb qhov kev xaus no.
Tam sim no, thaum muaj pawg tsim kho tshiab hauv Suav teb tau muaj cov tuam txhab kev tshaj lij, ntau pawg neeg sib sau ua ke nrog tsis muaj kev kawm lossis kev paub txog kev ua haujlwm. Qee tus kuj yuav tsis nkag siab txog lub vojvoog ntawm nkhaus kav (lossis kev koom tes hauv kev tsim txom
2. Kev ntsuas los tiv thaiv kev ua haujlwm tsis zoo
Raws li kev tsom xam ntawm tho cov yeeb nkab tsis ua haujlwm, ib sab ua tsis tau muaj sia nyob rau ob qho tib si: kev ua haujlwm ua haujlwm thiab xyaum cov yeeb nkab zoo. Yog li ntawd, peb tuaj yeem tiv thaiv tsis tiav los ntawm kev txhim kho Laum Yeeb Nkab Zoo thiab ua raws kev ua haujlwm ua haujlwm.
3. Txhim kho qhov zoo ntawm tho kav
(1) Xaiv cov khoom siv laum cov khoom siv: txhawm rau hloov kho cov thev naus laus zis ntawm kev coj ua thiab kev sib tw tho kev siv zog, lub zog zoo, kev sib cuam tshuam nyuaj. Cov yeeb nkab cov ntaub ntawv yuav tsum yog nruab nrab- carbon alloy qauv qauv yeeb nkab. Cov alloy cov ntsiab yuav tsum muaj cr, mo thiab lwm yam los txhim kho lub zog tensile thiab muaj cov mn, si thiab lwm yam los txhim kho kev tsis sib xws) ntawm cov khoom. Qee lub sij hawm nws tseem muaj cov nqi ntawm B, V thiab lwm cov ntsiab lus los txhim kho qhov tsis muaj zog ntawm cov khoom. Cov Khoom Siv Lub Cev Uas Muaj: 36MNTI, 35CRMO, 42MNMo7, 35Crmnsi, 45mnmob.
Lub phab ntsa thickness uniformity thiab yob tawm ntawm seamless steel kav kuj tseem yog qhov tseem ceeb cuam tshuam rau qhov zoo ntawm tho kav hlau. Phab ntsa tuab ntawm cov khoom siv tsis zoo ntawm cov kav hlau siv me me yog cov neeg tsis zoo, thiab lawv muaj kev sib tw ntev ntev ntawm cov phab ntsa thickness hauv qab lub siab torque. Qee cov kav dej hlau muaj qhov tsis xws li cov tawv nqaij hnyav thiab cov cua huab cua, uas tuaj yeem ua rau cov yeeb nkab laum tawg lossis xau ntawm cov chaw no.
Lub ntsuas dej ua ke sib koom ua ke cov khoom siv nyuaj tshaj plaws, thiab cov khoom siv uas xav tau cov khoom siv tshuab ua kom zoo dua. Lij cov pob qij txha feem ntau yog ua los ntawm 35crmo lossis 42crmo bar Tshuag, tab sis forged cov ntaub ntawv sib koom ua ke tuaj yeem txhim kho lawv cov khoom siv kho mob.
(2) Xaiv kev siv thev naus laus zis: Tam sim no, Umred Trench Laum kav dej (raug xa mus rau kev sib txhuam tho kav hlau)
(3) Kev kho cov ntu tuab: Seb nws yog qhov tsis zoo ntawm cov yeeb nkab tuab lossis qhov tsis zoo ntawm cov yeeb nkab tuab yog qhov tseem ceeb cuam tshuam rau kev chim siab. Cov kev hloov hloov yuav tsum muaj ntev ntev, hnav ris tsho thiab du tiaj tiaj thiab phab ntsa tuab hloov, thiab tsis muaj wrinkles. Tom qab chim siab, cov yeeb nkab lub cev yog qhov zoo tshaj plaws rau tag nrho kev ua haujlwm thiab kev sim siab rau kev ntxhov siab ntawm ntu hloov pauv thiab txhim kho nws cov kev ua haujlwm hloov kho.
(4) cov qauv qauv qauv
a. Kev ntxhov siab tawg paj zawv zawg: Kev tshawb fawb sim qhia tau tias kev ntxhov siab thiab kev ua tsis tiav ntawm cov txiv neej sib koom ua ke ntawm tus txiv neej sib koom tes lossis cov hauv paus txiv neej sib koom tes xov. Tsim kev ntxhov siab rau disse ntawm lub hauv paus ntawm txiv neej sib koom ua ke ntawm cov yeeb nkab laum tuaj yeem daws qhov chaw no, yog li kev txhim kho nws cov khoom tsis kam. Tsis tas li ntawd, nce txoj xov uas hla ntau li ntau tau, tsim cov xov hauv paus hluav taws xob ntawm lub hauv paus txiv neej sib koom ua ke ntawm cov kav hlau.
b. "Ob chav lub xub pwg": yog li - ntawm cov txiv neej xov yog kuj nyob rau hauv lub xub pwg ntawm tus poj niam xov. Kev ua nyuaj ntawm "Ob lub xub pwg" Tus qauv laum kav yog siab, tab sis piv nrog "ib leeg rub, nws muaj ntau yam zoo:
(1) Kev muab cov khoom siv sib khi zoo yuav tsum dhau los ntawm ob qhov chaw sealing thaum xau tawm sab nraud, thiab kev xau dej tsis kam loj.
(2) tuaj yeem tiv thaiv ntau dua "ob chav lub xub pwg" Laum Yeeb tau muaj ob lub xub pwg nyom, thiab tag nrho} Lub xub pwg nyom yog ntau dua li cov kav dej laum kav.
(3) txhim kho txoj kev pabcuam lub neej ntawm cov kav dej xyaum ua kom zoo ib yam nkaus thiab yog qhov kawg ntawm cov txiv neej xov, ua rau tag nrho cov xaim xaim tawg kom swb. Tom qab cov sib koom ua ke ntawm "ob chav xwb hnav yog cov hnav kom hnyav, lub xub pwg sab hauv tseem ua haujlwm tau zoo, thiab cov xaim yeeb nkab tseem tuaj yeem siv txuas ntxiv.
(4) Kev kho cov nplaim: Nitriding kev kho ntawm xov saum npoo yuav zoo tiv thaiv cov xov, yog li txuas lawv lub neej. Lub thickness ntawm cov nitrivate txheej feem ntau yog 0.2 ~ 0.3 hli. Yog hais tias lub thickness yog loj heev, brittle cracks yuav tshwm sim. Yog hais tias cov tuab tuab yog me me, anti - Cov nyhuv yuav ua tsis zoo. Kev siv cov kav kav tseem tsis tau nitrided, thiab hloov, ntau thosner phosphalling kev kho yog siv.
(5) Xov Ua Yog: Cov xov sib koom tes yuav tsum tau ua rau ntawm lub tshuab dhos CNC nrog kev tsim cov cuab yeej kom ntseeg tau tias cov kav dej tho. Kev deb ntawm cov xov sib koom tes yuav tsum tau tswj hwm hauv cov khoom siv tsim nyog los xyuas kom meej xov zoo kev koom tes.
4. Kev txhim kho ntawm kev siv thev naus laus zis
(1) Kev Ua Haujlwm: Thaum lub sijhawm tsim kho, lub zog pub dawb, lub zog thiab vojvoog ntawm curvature ntawm ntau lub laum kav yuav tsum tau ua nruj ua ntej. Rau cov tuam txhab kev tsim kho, tsuas yog siv cov kav dej laum kav raws li cov kev qhia tshwj xeeb tuaj yeem ua tsis tiav ntawm cov kav dej tho ua tau zoo zam.
(2) Lub luag haujlwm ntawm kev hloov pauv cov kav dej (lub tshuab hluav taws xob rub tawm, lub vojvoog ntawm curvature ntawm lub rreaming me ntsis ntawm curvature ntawm lub qhov, uas yog, r<
(3) Kev tiv thaiv tho kev ruaj khov: tus kav dej yog cov pas nrig me me hauv cov tshuab thiab muaj lub siab nyiam ua tsis tau raws li lub siab. Yog li ntawd, thaum lub sij hawm tsav tsheb tsim kev tsim kho hauv lub xeev pub dawb yuav tsum tau txwv kom tiv thaiv tsis ruaj khov thiab khoov thiab poob thaum lub sijhawm deflection thawb cov txheej txheem. Laum cov yeeb nkab muaj peev xwm feem ntau tshwm sim hauv qhov seem dreel nyob nruab nrab ntawm RIG clamp thiab qhov chaw nkag. Qhov ntev ntawm ntu no yuav tsum tau txo qis kom ntau li ntau tau, lossis txwv kev ntsuas tsim nyog yuav tsum tau ua. Txhawm rau tiv thaiv tho kev ruaj khov, qhov ntev ntev ntawm cov yeeb nkab laum yuav tsum yog tsawg dua 20 zaus lub taub ntawm cov yeeb nkab tho.
(4) Kev siv xov uas siv cov roj: siab - Cov xov zoo xov tsis muaj peev xwm tiv thaiv kev ua kom zoo, txo cov breakout torque, thiab txo cov xov thaiv kev hnav.
(5) Kev siv dej yaug cov kua dej: thaum khawb hauv cov xuab zeb thiab gravel}- Cov av nkos yuav tsum tau siv ua cov kua dej. Cov av nkos ua cov tawv me me ntawm phab ntsa sab nraud ntawm cov yeeb nkab laum, uas muaj cov khoom siv laum khiav, thiab ua lub luag haujlwm hnyav hauv kev tiv thaiv cov yeeb nkab laum.
(6) Tshuaj xyuas cov kav dej tho: Tom qab cov yeeb nkab laum tau siv rau lub sijhawm, thiab khoov cov yeeb nkab, thiab khawb av kom tob heev yuav tsum tau tshem tawm hauv lub sijhawm. Saib xyuas tshwj xeeb yuav tsum tau them rau cov kev coj ntawm ntu hloov pauv, raws li thaj chaw no feem ntau yuav tsum hnav thiab thinning.
