Forging cua sov txoj kev

Feem ntau, cov cua kub forging uas qhov kub ntawm qhov poob yog 0.5% lossis tsawg dua yog oxidative tsawg, thiab cov cua kub uas qhov kub ntawm qhov poob yog 0.1% lossis tsawg dua yog hu ua cov cua sov uas tsis yog oxidizing. Tsawg oxidation tsis muaj cua sov tuaj yeem txo cov hlau oxidation thiab decarburization, 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. Cov tshuab 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 kev siv feem ntau thiab kev txhim kho sai yog ceev, nruab nrab tiv thaiv, thiab tsawg dua oxidizing nplaim hluav taws kub.machining qhov

 

1, cua kub ceev

Cov cua kub ceev muaj xws li cua kub 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 stress, 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 ntawm cov pa roj 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 rau ntawm daim tawv nqaij yog nyias, yog li lub hom phiaj ntawm oxidation me me.

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

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

 

2, kua nruab nrab tiv thaiv cua sov

 

Cov txheej txheem kev tiv thaiv ua kua yog cov 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 ib nrab-nruab iav da dej rauv. Nyob rau hauv cov cua kub ntawm lub qhov cub, 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 cov iav 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 tiv thaiv oxidation theem nrab ntawm lub billet thiab 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, 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 tau ruaj khov rau saum npoo ntawm qhov khoob kom cais cov khoob ntawm cov oxidizing rauv roj kom tiv thaiv oxidation. Tom qab lub billet raug tso tawm, cov txheej tuaj yeem tiv thaiv oxidation theem nrab thiab muaj cov cua sov-insulating nyhuv, zam lub billet qhov kub thiab txias poob thiab ua raws li 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.

 

Cov iav txheej yog tshem tawm ntawm ib qho tshwj xeeb ntawm iav hmoov ntxiv rau me me ntawm stabilizer, khi, 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 yooj yim tev tawm thiab nyias dhau los tiv thaiv. Tom qab txheej, nws yog ib txwm qhuav nyob rau hauv cov huab cua thiab muab tso rau hauv ib tug tsawg-kub qhov cub. Nws kuj tseem tuaj yeem ua kom sov lub pob zeb kom txog li 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.

 

Cov txheej yuav tsum tau yaj kom txaus, ntom ntom, thiab muaj tshuaj lom neeg ruaj khov los muab kev tiv thaiv tsim nyog thiab lubrication ntawm cov iav tiv thaiv txheej. Thaum qhov sib txawv ntawm cov iav sib txawv, lub cev thiab tshuaj lom neeg sib txawv. Yog li ntawd, kev siv yog nyob ntawm seb cov khoom siv hlau siv thiab forging kub npaum li cas. Xaiv cov khoom xyaw iav kom raug.

 

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