Forging cua sov txoj kev

Feem ntau, cov cua kub forging uas qhov kub ntawm qhov poob yog 0.5% los yog tsawg dua yog tsawg dua oxidative cua sov, thiab cov cua sov uas qhov kub ntawm qhov poob yog 0.1% los yog tsawg dua yog hu ua non-oxidizing cua sov. Tsawg oxidation-dawb cua sov tuaj yeem txo cov hlau oxidation thiab decarburization, thiab tseem tuaj yeem txhim kho qhov zoo thiab qhov tseeb ntawm forgings thiab txo cov pwm hnav. Tsawg oxidation-free cua sov tshuab yog ib qho tseem ceeb ntawm kev txhawb nqa tshuab rau precision forging. Tam sim no, cov thev naus laus zis no tseem tsis tau muaj kev tshawb fawb ntau hauv Suav teb.

 

Muaj ntau txoj hauv kev kom ua tiav cov cua sov tsis muaj oxidation tsawg. Cov txheej txheem uas nquag siv thiab txhim kho sai yog cua kub ceev, nruab nrab tiv thaiv cua sov thiab tsawg oxidizing nplaim hluav taws kub.machining qhov

 

-, cua kub ceev

Cov cua kub ceev muaj xws li cua sov ceev thiab convection ceev cua sov, induction hluav taws xob cua sov, thiab hu rau hluav taws xob cua sov nyob rau hauv lub nplaim taws. Lub hauv paus theoretical rau cua sov ceev yog tias thaum cov hlau dawb paug yog rhuab ntawm ib tug technically ua tau cua sov tus nqi, lub superposition ntawm kub kev ntxhov siab, residual residual kev nyuaj siab thiab cov ntaub so ntswg kev nyuaj siab generated nyob rau hauv lub billet yog tsis txaus ua rau tawg ntawm lub billet. Txoj kev no tuaj yeem siv rau cov khoom me me carbon steel ingots thiab blanks rau kev forging ntawm cov duab yooj yim. Txij li cov txheej txheem saum toj no muaj cov cua kub siab, lub sij hawm cua sov yog luv, thiab cov oxide txheej tsim nyob rau saum npoo ntawm daim tawv nqaij yog nyias, yog li lub hom phiaj ntawm oxidation me me.

Thaum induction cua sov, qhov kub ntawm cov hlau yog li 0.5%. Txhawm rau ua tiav qhov yuav tsum tau ua kom tsis muaj oxidation cua sov, cov roj tiv thaiv tuaj yeem nkag mus rau hauv qhov cub hluav taws xob induction. Lub shielding gas yog ib qho inert roj xws li nitrogen, argon, helium los yog cov zoo li, thiab ib tug txo cov roj xws li ib tug sib tov ntawm CO thiab H2, uas yog tshwj xeeb yog npaj los ntawm ib tug tiv thaiv gas generating ntaus ntawv.cnc

Txij li thaum cua kub ceev heev ua rau lub sij hawm cua sov luv, cov degree ntawm decarburization tuaj yeem txo qis thaum txo oxidation, uas txawv ntawm cov hluav taws kub oxidizing tsawg, uas yog ib qho zoo tshaj plaws ntawm cov cua kub ceev.yas ntu

 

2, kua nruab nrab tiv thaiv cua sov

 

Cov khoom siv tiv thaiv ua kua feem ntau yog iav molten, molten ntsev, thiab lwm yam. Cov ntsev da dej rauv cua sov tau piav qhia hauv thawj ntu ntawm Tshooj 2 yog hom kua nruab nrab tiv thaiv cua sov.

 

Daim duab 2-24 qhia tau hais tias lub tshuab nqus tsev twj tso kua mis ib nrab-nruam iav da dej rauv. Nyob rau hauv cov cua kub ntawm lub cub tawg, ib tug high-kub molten iav yog melted nyob rau hauv qab ntawm lub cub tawg, thiab lub billet yog rhuab tom qab raug thawb mus tas li los ntawm lub khob kua. Vim yog kev tiv thaiv ntawm cov iav kua, lub billet tsis oxidized thaum lub sij hawm cua sov txheej txheem, thiab tom qab lub billet raug thawb tawm ntawm lub khob kua, qhov chaw yog nyob rau saum npoo. Txuas mus rau ib txheej nyias ntawm iav zaj duab xis, nws tsis tsuas yog tiv thaiv oxidation theem nrab ntawm billet, tab sis kuj lubricates nws thaum lub sij hawm forging. Txoj kev no yog ceev thiab sib xws hauv cov cua sov, muaj oxidation zoo thiab decarburization los, thiab yog ib qho yooj yim rau kev khiav lag luam, thiab yog ib tug pheej yig oxidation-dawb cua sov txoj kev.
3, khoom nruab nrab tiv thaiv cua sov (txheej tiv thaiv cua sov)

 

Ib txheej tshwj xeeb yog siv rau saum npoo ntawm qhov khoob. Thaum rhuab, txheej txheej melts los ua ib tug ntom thiab airtight txheej zaj duab xis. Nws yog ruaj khov rau saum npoo ntawm qhov khoob kom cais cov khoob ntawm cov roj oxidizing rauv kom tsis txhob oxidation. Tom qab lub billet raug tso tawm, cov txheej tuaj yeem tiv thaiv oxidation theem nrab thiab muaj cov cua sov rwb thaiv tsev, uas tuaj yeem tiv thaiv qhov kub thiab txias ntawm lub billet thiab tuaj yeem ua lub lubricant thaum lub sij hawm forging.

 

Cov txheej tiv thaiv yog muab faib ua iav txheej, iav ceramic txheej, iav hlau txheej, txheej hlau, txheej txheej, thiab lwm yam raws li nws muaj pes tsawg leeg. Feem ntau siv yog cov iav txheej.

 

Iav coatings yog ncua kev kawm ntawv ntawm ib tug tej yam muaj pes tsawg leeg ntawm iav hmoov, ntxiv rau ib tug me me ntawm stabilizer, binder thiab dej. Ua ntej siv, qhov saum npoo ntawm qhov khoob yuav tsum tau ntxuav los ntawm sandblasting, thiab lwm yam, kom lub ntsej muag ntawm cov txheej thiab qhov khoob tuaj yeem ruaj khov. Coatings yog siv los ntawm dip txheej, txhuam txheej, tshuaj tsuag rab phom thiab electrostatic txau. Cov txheej yuav tsum yog uniform. Lub thickness yog tsim nyog. Feem ntau, nws yog 0.15 txog 0.25 hli. Yog hais tias lub txheej yog tuab heev, nws yog ib qho yooj yim tev tawm, thiab nws yog nyias heev los tiv thaiv. Tom qab txheej, nws yog ib txwm qhuav nyob rau hauv cov huab cua thiab ces muab tso rau hauv ib tug tsawg kub kom qhuav qhov cub kom qhuav. Nws tseem tuaj yeem ua kom sov lub billet kom txog 120 ° C ua ntej txheej, kom cov hmoov ntub dej qhuav tam sim ntawd tom qab thov, thiab ua raws li qhov zoo ntawm qhov khoob. Lub pre-forging cua sov tuaj yeem nqa tawm tom qab txheej txheej qhuav.

 

Txhawm rau muab kev tiv thaiv zoo thiab lubrication ntawm cov iav tiv thaiv txheej, cov txheej yuav tsum tau yaj kom zoo, khov thiab ruaj khov. Thaum qhov sib txawv ntawm cov iav sib txawv, qhov saum toj no lub cev thiab cov khoom siv tshuaj sib txawv. Yog li ntawd, kev siv nyob ntawm seb hom khoom siv hlau thiab qib ntawm forging kub. Xaiv cov khoom xyaw iav kom raug.

 

Cov iav txheej tiv thaiv cua sov txoj kev tau siv dav hauv kev tsim cov titanium alloy, stainless hlau thiab superalloy aviation forgings hauv Suav teb.