Feem ntau, ib puag ncig rau titanium raj manufacturers kho thiab vuam titanium raj tsis tuaj yeem muaj cua ntws, thiab lwm yam zoo ib yam li kev kho vuam hauv lub thawv vuam. Tab sis tshwj xeeb yuav tsum tau them rau:
1. Qhov chaw kho vuam yuav tsum tsis txhob loj dhau, qhov ntws ntawm cov roj nitrogen yuav tsum loj dua thaum lub sij hawm kho vuam, thiab cov roj tsis tuaj yeem nres hauv nruab nrab;
2. Tom qab kev kho vuam tiav lawm, kev tiv thaiv nitrogen yuav tsum tau txuas ntxiv mus kom txog thaum thaj chaw txias;
3. Rau qee qhov tshwj xeeb castings, xws li complex nyias-walled castings, thiaj li yuav tiv thaiv oxidation nyob rau sab nraum qab ntawm qhov chaw kho vuam, argon tuaj yeem tshuab rau sab nraum qab kom txog thaum lub casting txias;
4. Nws yog qhov yuav tsum tau kho cov neeg ua haujlwm vuam muaj qib siab.
Txhawm rau kom tau txais titanium raj castings nrog kev kho vuam zoo, cov ntsiab lus hauv qab no yuav tsum tau them sai sai rau lub sijhawm kho vuam txheej txheem:
1. Qhov saum npoo ntawm cov castings kho yuav tsum tau muab ntxuav thiab qhuav, thiab cov castings tsis raug tso cai rau kov ncaj qha nrog tes ua ntej lawv muab tso rau hauv lub thawv vuam.
2. Nyob rau hauv tus txheej txheem ntawm kev kho titanium raj, nruj me ntsis txwv tsis pub luv luv Circuit Court ntawm tungsten electrode thiab kho vuam qhov chaw, uas yuav ua rau lub tungsten electrode tawg thiab ua rau tungsten inclusions nyob rau hauv lub solder pob qij txha.
3. Thaum qhov chaw thiab qhov tob ntawm qhov chaw kho vuam yog qhov loj heev, cov chaw taws teeb txheej vuam yuav tsum tau muab faib ua ntau zaus, thiab txheej tom ntej ntawm vuam tsuas tuaj yeem ua tau tom qab txheej txheej txheej vuam dhau los ua kom txias tag. Nws yog kiag li tsis tso cai rau weld nyob rau hauv ib lub sij hawm. Tiv thaiv casting deformation.
4. Thaum qhov kev kho vuam yuav xaus, qhov tam sim no yuav tsum tau maj mam txo kom txo tau qhov melting tsam. Yog li ntawd, nws raug nquahu kom siv cov mem tes tam sim no los tiv thaiv arc tawg thiab tawg.
5. Tom qab kev kho vuam tiav lawm, cia lub casting txias rau hauv lub thawv rau ib lub sij hawm ua ntej muab nws tawm ntawm lub thawv kom tsis txhob tawg los yog deformation nyob rau hauv lub vuam cheeb tsam ntawm lub casting tshwm sim los ntawm ceev ceev txias; Lub sijhawm txias yog nyob ntawm phab ntsa thickness ntawm cov casting, feem ntau yog 15-30mm.
6. Tom qab kev kho vuam ntawm titanium raj castings, nws yuav tsum tau annealed los yog kub isostatic pressed nyob rau hauv lub sij hawm, thiab nws yuav tsum tsis txhob cia rau ntev heev, feem ntau tsis ntau tshaj 5 hnub.
7. Tus naj npawb ntawm kev kho vuam tsis tuaj yeem tshaj li cov kev cai ntawm cov ntaub ntawv tseem ceeb.
Hu rau
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