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Yuav ua li cas los tswj Lub Casting Kub Ntawm Lub Valve Casting?

Ningbo Qianhao Hlau Khoom Co., Ltd | Updated: Jul 03, 2017

Yuav ua li cas los tswj lub casting kub ntawm lub valve casting?

Txhua xyoo nyob rau hauv cov khoom siv khom vaum, feem ntau yog vim muaj cov cua sov khib nyiab khwb txog 20% ntawm casting casting kub thiab casting nto zoo zoo li no, yog li ntawd, los txhim kho lub valve casting yield, koj yuav tsum tswj tus kub siab.

1, siab tshaj plaws qhov kub thiab txias. Lub plhaub thawm khoom kub heev dhau los ua xuab zeb, tshwj xeeb tshaj yog nrog cov xuab zeb nyuaj hauv cov hlau casting, thaum lub sij hawm kub hnyiab ≥ 1420 ℃ thaum pov tseg, qhov kub siab ntawm 1460 ℃ thaum twg pov tseg txog li 50%. Yog li, casting casting kub yuav tsum tau tswj ntawm qhov siab tshaj 1420 ℃.

2, qhov qis tshaj qhov kub thiab txias. Valve casting Thaum lub qhov cub tawg poob qis tshaj 1380 ℃, tom qab ua cov hlau nrum hauv qab ntawm daim tawv nqaij yuav pom ib lub qhov, qhov taub yog feem ntau yog 1 ~ 3 hli. Qee lub sij hawm tsuas muaj 1-2 qhov, thiab cov qhov yuav tshwm sim nrog ib qho me me ntawm cov kua qoob loo. Cov kev tshawb fawb pom tau tias qhov kev ntxub no muaj feem xyuam rau lub qhov cub tawg, thiab thaum lub qhov cub kub siab tshaj 1380 ° C, lub valve casting yuav tsis tsim cov tsis xws li.

Hauv kev xaus, nws tuaj yeem pom tias casting casting kub yuav tsum raug tswj ntawm 1380 ~ 1420 ℃. Tsis tas li ntawd, lub qhov kub ntawm lub ncuav tsis tshua muaj qhov qis tshaj plaws vim yog ua ntej yuav nchuav, hlau ntxig rau hauv lub laub qhib ntev ntev mus thauj thiab nyob twj ywm thiab cua sov. Muab cov khoom pov tseg nrog lub thermal rwb thaiv tsev, lub cua sov tuaj yeem raug txo kom tsawg.