- 25
- Jan
Siv thiab ceev faj ntawm tsis hloov pauv yoj aluminium melting rauv
Siv thiab ceev faj ntawm tsis hloov pauv yoj aluminium melting rauv
1 Tus neeg teb xov tooj ntawm qhov tsis muaj modulated yoj aluminium melting rauv yuav tsum nkag siab txog cov qauv thiab cov yam ntxwv ntawm kev ua haujlwm ntawm qhov tsis hloov pauv yoj aluminium melting rauv thiab nws cov cuab yeej pabcuam (tswj cov cuab yeej hauv txee, thiab lwm yam), nrog rau kev npaj cov kav dej hluav taws xob.
2 Ua ib qho kev ntsuas rwb thaiv tsev ua ntej qhib lub hwj chim.
3 Tus neeg teb xov tooj yuav tsum nco ntsoov xyuas qhov kev siv ntawm lub crucible thiab thermocouple tiv thaiv raj, nqa tawm txij nkawm, thiab hloov tsis tu ncua raws li kev siv.
4 Rau kev siv cov crucible, saib “Cov lus qhia rau kev siv thiab tu ntawm Crucible”.
5 Kev ceev faj rau kev siv silicon nitride thermocouple tiv thaiv raj yog raws li hauv qab no:
5.1 Lub raj tiv thaiv thermocouple yuav tsum muab cia rau hauv qhov chaw qhuav kom tsis txhob ya raws.
5.2 Ua ntej immersing nyob rau hauv lub molten aluminium, tuav nws saum lub molten aluminium kom preheat rau ib lub sij hawm luv luv.
5.3 Thaum lub sij hawm refining ntawm molten aluminium, lub thermocouple rau ntsuas molten txhuas yuav tsum tau muab tshem tawm los tiv thaiv kev puas tsuaj.
5.4 Ceev faj thaum ntxiv cov ntaub ntawv ua kua, thiab cov molten aluminium yuav tsum tsis txhob siab tshaj qhov saum toj kawg nkaus ntawm lub raj tiv thaiv, txwv tsis pub nws yuav ua rau luv luv ntawm cov thermocouple hlau.
5.5 Tom qab siv rau ib lub sijhawm, koj yuav pom tias yog txhuas / aluminium slag adheres rau cov kua nplaum ntawm cov kua txhuas, thaum lub thermocouple tseem kub, koj tuaj yeem ua tib zoo tshem nws los ntawm khawb. Thaum immersing dua, ceev faj kom tsis txhob raug lub thermocouple rau thermal shock.
5.6 Yog hais tias lub foundry siv immersive refining agents (chlorine ntsev, fluoride ntsev), tshwj xeeb tshaj yog thaum lub refining tus neeg sawv cev tshwm sim thaum txhuas yog melted mus rau hauv lub xeev cov kua, lub foundry yuav tsum xyuas kom meej tias cov refining tus neeg sawv cev raug tshem tawm ntawm cov kua nto sai li sai tau tom qab. lub refining tiav lawm. Yog hais tias tus neeg ua hauj lwm refining nyob twj ywm ntawm cov kua dej ntev dhau lawm, nws yuav ua rau lub thermocouple tiv thaiv raj thiab lub crucible puas.
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