Tshwj Xeeb Hauv Cov Tuag Casting Cov Kev Pab Thiab Qhov Chaw nrog Kev Tsim Kho Kev Lag Luam thiab Kev Loj Hlob

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Poob ua npuas ncauj casting

Tshaj tawm Lub sijhawm: Tus Sau: Tus Sau Site Xyuas: 18609

 1.1 Txheej txheem cej luam

Xyoo 1958, HF Shroyer tau tsim cov thev naus laus zis ntawm kev ua hlau castings nrog nthuav dav ua npuas yas ua qauv thiab tau txais daim ntawv patent. Tus qauv siv thawj zaug tau ua los ntawm polystyrene (EPS) lub rooj tsavxwm thiab puab nrog cov xuab zeb uas muaj phau ntawv tuav. Cov tuam txhab German Grunzweig thiab Harrtmann tau yuav daim ntawv pov thawj no thiab tsim thiab thov nws. Cov cuab yeej siv siv cov xuab zeb tsis pub qhuav los tsim cov castings tom qab tau txais daim ntawv pov thawj los ntawm TRSmith xyoo 1964. Ua ntej xyoo 1980, kev siv cov txheej txheem tsis pub xuab zeb qhuav qhuav yuav tsum tau kev pom zoo los ntawm Pwm Txheej Txheem (Inc). Tom qab ntawd, daim ntawv patent tsis raug.

Txoj hauv kev feem ntau thiab siv tau yog tso tus qauv txheej nrog cov khoom siv tsis zoo rau hauv lub thawv xuab zeb, sau cov qauv nrog cov xuab zeb qhuav kom nruj, thiab nchuav cov kua hlau los hloov ua npuas dej ua qauv. Cov txheej txheem txheej txheem no hu ua: poob ua npuas casting (EPC), ua kom cov pa tawg thiab ua cov pwm tuaj pwm, thiab lwm yam. Cov Ua Npuas Ncauj Ua Ntej Ua Ntej Los ntawm Asmeskas Cov Koom Haum Foundry tau txais "poob ua npuas casting" raws li lub npe txheej txheem.

Plua plav ploj yog qhov txheej txheem pov tseg uas tuaj yeem siv los tsim cov hlau tsis muaj hlau thiab cov hlau tsis muaj zog, nrog rau: lub tog raj kheej thaiv, lub tog raj kheej taub hau, crankshafts, lub iav, cov kav dej nkag, cov kav dej tso pa tawm thiab cov nres nres. Cov txheej txheem ntws ntawm ploj ua npuas casting yog raws li hauv qab no:

1) Ua ntej ua npuas ncauj
Kev tsim cov qauv yog thawj kauj ruam ntawm txheej txheem ua npuas ncauj ploj. Rau cov txheej txheem nyuaj xws li lub taub hau kheej kheej, ntau lub qauv ua npuas ncauj yuav tsum tau ua cais, thiab tom qab ntawd muab tso rau hauv tus qauv tag nrho. Txhua tus qauv thaiv xav tau txheej txheej pwm rau kev tsim khoom. Ib qho ntxiv, yuav tsum tau teeb tsa cov pwm tuaj yeem ua haujlwm txhawm rau txhawm rau txhawm rau ua kom raug qhov tseeb ntawm txhua qhov thaiv. Cov qauv txheej txheem molding tau muab faib ua ob theem. Thawj kauj ruam yog rau Cov hlaws polystyrene tau nthuav dav ua ntej mus rau qhov tsim nyog ntom ntom ntom ntom, uas feem ntau yog ua los ntawm cua sov sai nrog cov pa. Theem no yog hu ua kev nthuav dav ua ntej.

2) Qauv tsim
Cov hlaws ua ntej nthuav dav yuav tsum tau ruaj khov ua ntej, thiab tom qab ntawd xa mus rau lub plhaw ntawm lub tshuab moulding, thiab pub los ntawm qhov pub mis. Tom qab pwm kab noj hniav tau ntim nrog cov hlaws ua ntej nthuav dav, ua kom pom cov pa kom mos cov hlaws. Kev nthuav dav, txhawm rau txhua qhov khoob thiab sib khi rau hauv ib lub cev, yog li ua tiav cov txheej txheem tsim tawm ntawm cov qauv npaus, theem no yog hu ua autoclave molding.

Tom qab txhaj pwm, pwm pwm txias los ntawm cov dej ntws loj hauv cov dej-ua kom cov kab noj ntawm cov pwm, thiab tom qab ntawd pwm qhib kom coj tawm lub pwm. Lub sijhawm no, qhov kub ntawm pwm tuaj yeem nce thiab lub zog qis. Yog li, kev saib xyuas yuav tsum tau ua thaum lub sij hawm demolding thiab cia kom tiv thaiv deformation thiab puas tsuaj.

3) Qauv pawg ua ke
Ua ntej siv tus qauv, nws yuav tsum tau khaws cia rau lub sijhawm tsim nyog los ua kom nws paub tab thiab ruaj khov. Lub sijhawm ua qauv khaws cia yog txog 30 hnub. Rau tus qauv tsim los ntawm cov qauv tsim tshwj xeeb, nws tsuas yog xav tau khaws cia rau 2 teev. Tom qab tus qauv ua tiav thiab ruaj khov, nws tuaj yeem faib ua ob ntu. Cov qauv thaiv tau glued ua ke.
Cov qauv thaiv gluing yog nqa tawm ntawm lub tshuab tsis siv neeg gluing siv kub yaj kua nplaum. Cov pob qij txha ntawm glued nto yuav tsum kaw ntom ntom kom txo tau qhov cuam tshuam ntawm casting tsis tawm.

4) Qauv pawg poob txheej
Txhawm rau tsim ntau cov castings hauv ib lub thawv, qee zaum ntau tus qauv tau ua rau hauv cov pawg, thiab cov qauv pawg tau raus rau hauv cov xim pleev xim, thiab tom qab ntawd qhuav hauv qhov cub cua cua txog li 30-60C (86-140F) rau 2 txog 3 Tom qab teev, qhuav, muab cov qauv ua pawg rau hauv lub thawv xuab zeb, sau nws nrog cov xuab zeb qhuav thiab ua kom nruj. Txhua qhov kab noj hniav sab hauv thiab cov xuab zeb qhuav sab nrauv ntawm cov qauv pawg yuav tsum tau sib cog thiab txhawb nqa.

5) Ncuav
Tom qab cov qauv pawg tau khov kho nrog cov xuab zeb qhuav hauv lub thawv xuab zeb, cov pwm tuaj yeem nchuav. Tom qab cov hlau molten tau nchuav rau hauv cov pwm (qhov ntsuas kub yog li 760C/1400F rau cam khwb cia txhuas, thiab kwv yees li 1425C/2600F rau cov hlau cam khwb cia), tus qauv ua pa. Cov hlau tau hloov pauv los ua ib qho casting. Daim duab 1 yog daim duab qhia chaw ntawm lub thawv xuab zeb thiab nchuav cov txheej txheem ua ploj.

Hauv cov txheej txheem ploj ua npuas ncauj, cov dej nrawm nrawm yog qhov tseem ceeb tshaj li cov tsoos ib txwm ua. Yog tias txheej txheem ntuav raug cuam tshuam, cov xuab zeb tuaj yeem tsoo thiab ua rau pov tseg. Yog li ntawd, txhawm rau txhawm rau txo qhov sib txawv ntawm txhua qhov nchuav, nws yog qhov zoo tshaj los siv lub tshuab tsis siv neeg.

 Daim duab 1 Schematic daim duab ntawm lub thawv xuab zeb thiab nchuav ntawm cov txheej txheem ploj ua npuas ncauj
6) Poob xuab zeb kev ntxuav
Tom qab nchuav, cov khoom ua kom khov thiab txias hauv lub thawv xuab zeb, thiab tom qab ntawd ntog tawm ntawm cov xuab zeb. Cov xuab zeb ntog ntawm cov casting yog yooj yim heev, thiab cov castings poob tawm ntawm cov xoob qhuav xoob thaum lub sandbox tau ntxeev. Tom qab ntawd, cov castings tau txiav cais, ntxuav, tshuaj xyuas, thiab thauj mus rau hauv lub thawv pov tseg.

Cov xuab zeb qhuav tuaj yeem rov siv tau tom qab txias, thiab lwm cov txheej txheem ntxiv tsis tshua muaj siv. Cov hlau seem tuaj yeem rov ua dua thiab siv hauv kev tsim khoom.

1.2 Qhov zoo ntawm cov txheej txheem ploj ua npuas ncauj

Cov txheej txheem ua npuas ua ploj ploj muaj qhov zoo hauv peb yam tseem ceeb: thev naus laus zis, kev lag luam thiab kev tiv thaiv ib puag ncig.

1.2.1 Cov txheej txheem

1) Ua kom muaj kev ywj pheej ntawm kev tsim qauv
Nws yog qhov ua tau rau cov txheej txheem tshiab los nqa cov qauv tsim, thiab nws muaj peev xwm ua kom ntxiv qee qhov kev ua haujlwm ntxiv rau tus qauv los ntawm thawj theem. Piv txwv li, lub tshuab ua kom lub tshuab hluav taws xob diesel muaj qhov tshwj xeeb ua haujlwm, uas tuaj yeem tsim los ntawm cov txheej txheem ua npuas ncauj ploj tsis yog siv cov txheej txheem ib txwm siv.
 
2) Tshem tawm cov xuab zeb siv hauv kev tsim cov castings

3) Ntau qhov kev pov tseg tuaj yeem pub tau yam tsis muaj riser

4) Txhim kho casting raug qhov tseeb
Nws tuaj yeem tau txais cov qauv nyuaj thiab cov qauv, thiab tuaj yeem rov tsim cov txheej txheem kom raug nrog 100% rov ua dua, thiab phab ntsa tuab sib txawv ntawm cov castings tuaj yeem tswj tau ntawm -0.15 ~+0.15mm.

5) Tsis muaj qhov nyem ntawm qhov sib koom ua ke ntawm tus qauv

6) Nws muaj qhov zoo ntawm kev txo qhov hnyav ntawm castings los ntawm 1/3

7) Txo nyiaj siv ua haujlwm
Cov nyiaj siv ua haujlwm tuaj yeem txo qis, thiab qee qhov yuav tsis ua tiav. Qhov no zoo heev txo kev nqis peev hauv kev ua haujlwm thiab cov cuab yeej siv tshuab (piv txwv li, kev nqis peev tuaj yeem txo qis ib nrab rau cov xwm txheej sib txawv).

8) Sib piv nrog cov kab noj hniav ib txwm pov tseg, pwm nqis peev raug txo.
 
9) Ua tiav tshem tawm cov txheej txheem ib txwm poob ntawm cov xuab zeb thiab cov tub ntxhais tawm


1.2.2 Kev lag luam

1) Nws tuaj yeem tsim cov txheej txheem nyuaj tag nrho
Txais yuav cov txheej txheem tsim qauv tshiab, cov qauv thaiv tuaj yeem ua kom zoo los ua tus qauv tag nrho thiab pov rau hauv ib qho nyuaj ib feem. Piv nrog rau thawj qhov ntau yam sib dhos ua ntu ntu (xws li lub tshuab ua cua sov ua ntej), nws tuaj yeem tau txais txiaj ntsig los ntawm 1 txog 10 zaug.

2) Txo cov neeg ua haujlwm rhiav
Txhawm rau tsim kom muaj lub tshuab ua kom ploj ploj, cov neeg ua haujlwm tsawg dua li ntawm ib lub tuam txhab casting ib txwm muaj, yog li qhov no yuav tsum tau txiav txim siab.

3) Saj zawg zog casting txheej txheem
Kev hloov pauv ntawm cov txheej txheem pov tseg yog qhov tseem ceeb heev, vim tias cov txheej txheem tshiab tuaj yeem tsim ua ntau qhov zoo sib xws lossis sib txawv hauv cov raj, thiab cov txheej txheem txheej txheem yog li ntawd hloov pauv tau. Hauv ntej, peb tuaj yeem hais tias txhua qhov txiaj ntsig zoo ib yam nrog kev nyiam nyiaj txiag, thaum tseem txhim kho kev ua haujlwm.

1.2.3 Kev tiv thaiv ib puag ncig

Polystyrene thiab PMMA tsim cov pa roj carbon monoxide, carbon dioxide, dej thiab lwm cov pa roj carbon hydrocarbon thaum lawv hlawv, thiab lawv cov ntsiab lus qis dua tus qauv tso cai hauv Europe. Cov xuab zeb qhuav tuaj yeem siv cov xuab zeb silica ntuj, uas yog 100% rov ua dua tshiab thiab tsis muaj phau ntawv tuav. Cov xim uas siv hauv tus qauv yog tsim los ntawm phau ntawv tuav thiab lwm yam khoom siv ntxiv rau hauv dej, uas tsis ua rau muaj kuab paug.


Thov khaws qhov chaw thiab qhov chaw ntawm tsab xov xwm no kom luam tawm:Poob ua npuas ncauj casting


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Raws li kev tswj hwm ntawm ISO9001 thiab TS 16949, Tag nrho cov txheej txheem tau ua los ntawm ntau pua tuag lawm cov tshuab ua haujlwm tuag, lub tshuab 5-axis, thiab lwm qhov chaw, suav txij li blasters mus rau Ultra Sonic tshuab ntxhua khaub ncaws.Minghe tsis tsuas muaj cov cuab yeej siv siab heev tab sis tseem muaj kev tshaj lij pab neeg ntawm cov paub txog cov engineers, cov neeg ua haujlwm thiab cov kuaj xyuas kom ua tau cov neeg siv khoom tsim.

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Tips Hais Txog Ralated Cov Tuag Ua Ke Cov Kev Pab


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MingHe Casting Kev Ua Kom Zoo

  • Cov Cuam Tshuam Casting tsim software thiab cov kws tshaj lij muaj peev xwm ua qauv coj los ua hauv 15-25 hnub
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