Cov txheej txheem thiab kev ua haujlwm ntawm aluminium billet melting thiab casting (Zaum kawg)

(11) Casting: Peb lub Hoobkas txais yuav qib sib npaug zos kaw-ntim kub-sab saum toj casting

Tus qauv ua ntej casting

1. Lubhmoov talcumsiv thaum ua pwm yuav tsum du thiab ruaj khov;

2. Lubkev faib khoom ntxuav, lub tshuab ntxhua khaub ncaws ceramicthiab cov yeeb nkab yuav tsum tau coated nrog ib txheej nyias ntawm talcum essence, thiab tsis muaj hlau yuav tsum tau raug. Lubnplhaib graphitethiabphaj hloov pauvyuav tsum tau du nrog cov hmoov talcum thiab lard sib xyaw kom sib npaug cov channel uas cov kua txhuas hla dhau yuav tsum khaws cia kom huv thiab qhuav;

3. Lub phaj lim dej ua los ntawm cov khoom siv ua npuas ncauj yuav tsum nyob rau hauv qhov zoo meej thiab tsis muaj qhov sib txawv ntawm qhov sib tshuam nrog lub tshuab ntxhua khaub ncaws. Nws yuav tsum tau hloov tom qab txhua qhov casting thiab ci nrog hluav taws kom txog thaum liab tsaus;

4. Lub taub hau ingot yuav tsum tau qhuav, lub rooj casting yuav tsum tau leveled, lub hauv paus thiab lubtus neeg ua kom muaj crystallizeryuav tsum tau sib phim kom zoo, tsis pub dej rov qab los, thiab xoob cov hlua hlau ntawm lub cuab yeej pib;

5. Lub taub hau traction ntawm ingot raug tsa mus rau qhov chaw pib (lub taub hau dummy rau cov pas nrig 50mm thiab siab dua yog 4mm ntawm qhov kawg qis ntawm lub nplhaib graphite, thiab 0 ~ 4mm rau cov pas nrig hauv qab 150mm);

6. Nruab lub rooj vag pib thiab xyuas seb cov duab sab saud thiab sab qis ntawm lub tshuab casting puas zoo li qub;

7. Tshawb xyuas qhov xwm txheej ntawm cov twj tso kua dej nkag thiab tawm;

8. Qhib lub qhov dej ntws thiab tig rau ntawm lub pej thuam dej txias;

9. Qhib lub twj tso dej thiab kho qhov ntim dej casting;

10. Paub tseeb tias dej tsis nkag mus rau hauv lub taub hau ntawm cov ingot;

11. Npaj kom txauslub khob hliav qab, cov pas nrig vuam, lub lauj kaub ci thiab lwm yam cuab yeej thiab cov ntaub ntawv sib xws;

(12) Kev Ua Casting

1. Qhib lublub khob hliav qabkom tso cov txhuas tawmkua

2. Thaum cov txhuas molten nce mus txog li 20 hli ntawm sab saum toj ntawmcov khoom siv av nplaumntxhua khaub ncaws, tsa lub rooj vag;

3. Sim ua kom lub sijhawm sau luv duantawm cov kua txhuaskom ntau li ntau tau. Thaum lub txhuaskuapuv tag nrho cov casings, kaw lub qhov dej ntws tawm thiab qhib tag nrho cov qhov dej nkag. Tom qab lub sijhawm puv thiab tuav tas lawm,qis dualub tshuab casting;

4. Thaum lub tshuab casting txo qis ntawm qhov ceev casting ib txwm muaj, siv tes los ua haujlwm lub cuab yeej pib thiab paub meej tiaskev rublub taub hauntawm cov hlau nplaumtab tom nqis loscesnres;

5. Thaum lub sijhawm ua cov txheej txheem casting, qhov ceev ntawm casting, dej haus, thiab qib kua txhuas yuav tsum ruaj khov. Koj tuaj yeem xa mus rau cov txheej txheem hauv qab no:

∮90cov ntawv ciKev ceev casting ib feeb: 160～190

∮120cov ntawv ciKev ceev casting ib feeb: 140～155

∮154cov ntawv ciKev ceev casting ib feeb: 110～120

∮178daim hlaus ib feeb casting ceev: 95～110

saum dej kub tsawg dua 50 ℃

6. Tom qab txhuasdaim hlauyog rub tawm ntawmtus neeg ua kom muaj crystallizer, qhov ceev casting raug kho raws li qhov zoo ntawm qhov chaw;

7. Thaum lub sijhawm ua cov txheej txheem casting, nws raug txwv tsis pub ntxiv cov ntaub ntawv lossis do cov yaj rau hauv lub cub tawg, thiab nws raug txwv tsis pub tig cov kua txhuas hauv lub tshuab ntxhua khaub ncaws thiab lub dikev faib khoom ntxuavCov kua dej ntawmkev faib khoom ntxuavyuav tsum tau tswj hwm nruj thiab ruaj khov;

8. Ua tib zoo saib xyuas qhov xwm txheej ntawm kev casting. Yog tias muaj kev decasting sai sai, siv cov khoom siv txhuas silicate los ua kom tiav.nreslub crystallizer. Yog tias muaj thaj chaw loj ntawm cov txhuas xau, qhovlub cub tawg qhov hluav taws xob yuav tsum raug kaw tam sim ntawd, thiab lub txhuasm kuanyob rau hauv lub crystallizer thiablim dejlub thawv yuav tsum tam sim ntawdpmus rau hauvlub khob hlau;

9. Txuas lub qhov cub kom ruaj khovlub khob hliav qabua ntej mus txog qhov ntev uas xav tau;

10. Thaum cov kua txhuas tawm hauvyeeb nkab, qhib lub qhov dej ntws tawm thiab siv lub spatula los ntxuav cov txhuas ntawmyeeb nkablub qhov ncauj thiab lub dikev faib khoom ntxuav;

11. Thaum tag nrho cov txhuas rods tawm hauv lub crystallizer li 300 hli, tsis txhob poob;

12. Txuas ntxiv qhib dej li 2 feeb thiab tom qab ntawd nres dej;

13. Tilt rau lub rooj casting, tsa lub txhuasdaim hlautxog li 1 'meter', thiab siv lub tshuab nthuav dav tshwj xeeb los tsa tus pas nrig;

14. Rau cov ingots uas tau tsa, siv tus cwj mem xim los qhia tus lej smelting thiab cov lus qhia ntawm qhov kawg ntawm txhuadaim hlau, sau daim npav taug qab zoo thiab xa mus rau lub tshuab txiavdaim hlau;

15. Npaj lub rooj casting ib yam li ua ntej casting thiab npaj rau qhov casting tom ntej.

(13) Kev txiav

1. Lubdaim hlauLub taub hau yuav tsum tau txiav rau 120 ~ 150 hli

2. Tus tw ntawm lubdaim hlauyuav tsum sab laug 80 ~ 100 hli

3. Pom luv luvdaim hlauntev ntawm 0-+ 5 hli

4. Thaum txiavdaim hlaus, qhov ntev yuav tsum tau txiav txim siab. Nws yog txwv tsis pub muaj qhov tsis sib xws hauv tib pawg ntawm cov ntaub ntawv. Qhov ntev yuav tsum tau tswj hwm hauv qhov xav tau npaj tseg ntawm 0- + 10 hli.

5. Cov xaj uas tsis muaj qhov ntev tshwj xeeb yuav raug txiav ntawm 6.3 meters;

6. Tom qab txiav, yuav tsum tau yaug nrog dej, ntxuav cov npoo, thiab yuav tsum tau kuaj xyuas qhov chaw. Cov khoom tsis tsim nyog yuav siv tsis tau ua cov khoom tiav lawm;

7. Lub tshuab txiavdaim hlautaub hau,daim hlaucov tails, thiab cov hmoov av saw yuav tsum tau hnyav thiab sib cais raws li qib alloy thiab cim;

8. Lubkev txiav ntawm lub billetlub taub hau yuav tsum tsis pub tshaj 3 degrees;

9. Qhov nkhaus ntawm txhuasdaim hlautsis pub tshaj 3 hli;

10. Qhov sib txawv ntawm cov txhuasdaim hlauyuav tsum tsis pub tshaj 0.5-1 hli

(14) Lub Cim

1. Txhua pob khoom muaj ob daim ntawv pov thawj ntawm kev ua raws li qhov kawg, ib daim rau txhua qhov kawg;

2. Ib kawg ntawm txhua txhuasdaim hlaumuaj tus lej melting, qib alloy thiab daim ntawv tshuaj xyuas, thiab lwm qhov kawg muaj lub logo ntawm lub Hoobkas thiab muab tso rau tib qho kawg.

(15) Ntim Khoom

1. Cov txhuasdaim hlauyuav tsum tau khaws cia kom huv si thiab huv si, thiab cov qhov kawg yuav tsum sib phim;

2. Tom qab cov txhuascov ntawv ciraug sawn, lawv tau ntim khoom sib npaug. Txoj kev ntim khoom siv cov hlua hlautxoj kev thiabcais lub taub hau thiab tus tw.Hauv tnws xaus ntawm lub ntim khoomthaj chaw, lub taub hauraug txiav kom sib nrug li 1 'meter', thiab cov khoom ntim yuav tsum nruj;

3. Cov txhuas uas tau ntim khoomdaim hlaus yuav tsum tau muab lub cim tshuaj xyuas ntawm tus neeg soj ntsuam zoo ua ntej lawv tuaj yeem muab tso rau hauv qhov chaw cia khoom;

4. Cov txhuasdaim hlaus uas tau ntim rau hauvtshwj xeebtsev rau khoom, cim thiab teeb tsa kom zoo nkauj.

(16) Cov kev ceev faj

1. Txhua tus neeg ua haujlwm yuav tsum hnav cov khoom siv kev nyab xeeb hauv qab no: lub kaus mom hlau, lub ntsej muag npog ntsej muag, khau kub, hnab looj tes kub, lub kaus mom ntaub, cov ntaub npog ntsej muag, thom khwm paj rwb, thiab lwm yam;

2. Txhua tus neeg ua haujlwm yuav tsum tau kawm txog kev ua casting ua ntej lawv raug tso cai ua haujlwm;

3. Txhua yam khoom siv thiab cov cuab yeej uas ua rau kub hnyiab yuav tsum qhuav;

4. Muaj cov ntsaws thiab cov pas ntsaws txaus.