Kev cai Aluminium alloy casting khoom los ntawmxuab zeb casting txheej txheemthiabCNC machining.
Cov kauj ruam ntawm Sand Casting Production Process
1. Ua Cov Qauv
Resin los yog txhuas qauv yuav tsim nyog rau ntsuab xuab zeb casting txheej txheem. Yog tsis muaj qauv, ntau lawm rau castings yuav ua tsis tau. Qee zaum, cov qauv ntoo tuaj yeem siv rau kev tsim khoom me me, tab sis rau kev tsim khoom loj, resin lossis aluminium qauv yuav tsim nyog dua.
2. Moulding txheej txheem
Cov xuab zeb ntsuab tuaj yeem ua los ntawm peb txoj kev feem ntau, suav nrog phau ntawv molding, tshuab molding thiab cov khoom siv molding tsis siv neeg. Phau ntawv molding yog ib txoj kev molding ib txwm, tab sis nws tseem muaj vim nws muaj peev xwm rau loj castings ntawm tus nqi qis. Cov txheej txheem tshuab molding tuaj yeem txuag cov neeg ua haujlwm thiab tsim cov khoom zoo dua qub, tab sis nws tsis tuaj yeem tsim cov castings loj vim nws qhov loj me me ntawm cov thawv xuab zeb.
3. Hlau Melting thiab Pouring
Melting yuav ua tau los ntawm nruab nrab zaus hluav taws xob induction furnaces, uas yuav ua kom zoo zoo thiab ruaj khov piv rau cov tsoos furnaces.
4. Sand Blasting thiab sib tsoo
Tom qab cov xuab zeb ntsuab hlau castings raug tshem tawm los ntawm cov xuab zeb pwm, lawv yuav raug xa mus rau hauv cov kauj ruam tom ntej rau kev txhaj tshuaj blasting los yog tua-peening kom tshem tawm cov xuab zeb thiab oxide sab nraud ntawm qhov casting. Tom qab ntawd cov neeg ua haujlwm yuav txiav tawm, ntxuav thiab zom cov taub hau, risers, cov kab sib cais thiab cov npoo ntse.
Kev ua haujlwm ntxiv xws li kev kho cua sov, precision machining thiab kev kho saum npoo yuav ua tau yog tias cov duab kos lossis cov neeg siv kawg xav tau.
Aluminium thiab nws cov alloys tuaj yeem cam khwb cia thiab nchuav los ntawm kev kub siab tuag casting, tsis tshua muaj siab tuag casting, nqus casting, xuab zeb casting, peev casting thiabpoob ua npuas ncauj casting. Feem ntau, aluminium alloy castings muaj qhov hnyav dua tab sis cov txheej txheem nyuaj thiab zoo dua nto.
Dab tsi Aluminium Alloy Peb Casting Sand Casting Txheej Txheem:
• Cast Aluminium Alloy los ntawm Tuam Tshoj Standard: ZL101, ZL102, ZL104
• Cast Aluminium Alloy los ntawm USA Stardard: ASTM A356, ASTM A413, ASTM A360
• Cast Aluminium Alloy los ntawm lwm cov Starndards: AC3A, AC4A, AC4C, G-AlSi7Mg, G-Al12
Kev koom ua ke | Aluminium Association | Hardness BHN | Qhov kawg tensile zog, MPa | Yield zog, MPa | Modulus ntawm elasticity, GPa | Kev qaug zog, MPa |
A03550 | UA 355.0 | 75-105 : kuv | 255 | 185 | 70.3 ib | 69.0 ua |
A03600 | AW 360.0 | 75.0 ua | 300 | 170 | 71.0 ua | 138.0 Nws |
A03800 | UA 380.0 | 80.0 ua | 317 | 159 | 71.0 ua | 138.0 Nws |
ua 03830 | TIAB SA 383.0 | 75.0 ua | 310 | 152 | / | 145.0 Nws |
ua 03840 | TIAB SA 384.0 | 85.0 ua | 331 | 165 | / | 140.0 Nws |
ib 03900 | TIAB SA 390.0 | 120.0 Nws | 280 | 240 | 81.2 ib | 140.0 Nws |
A04130 | TIAB SA 413.0 | 80.0 ua | 296 ib | 145 | 71.0 ua | 130.0 Nws |
ua 04430 | TIAB SA 443.0 | 30-60 | 145 | 48.3 ib | 71.0 ua | / |
ua 05180 | TIAB SA 518.0 | 80.0 ua | 310 | 193 | 69.0 ua | 160.0 Nws |
Qhov zoo ntawm Aluminium Alloy Castings:
• Qhov kev ua tau zoo ntawm kev ua haujlwm zoo ib yam li cov hlau castings, tab sis cov khoom sib txheeb ntawm cov khoom siv txo qis dua li cov phab ntsa thickness nce.
• Phab ntsa tuab ntawm cov castings yuav tsum tsis txhob loj dhau, thiab lwm yam qauv zoo ib yam li cov hlau castings.
• Lub teeb yuag tab sis cov txheej txheem nyuaj
• Tus nqi casting ib kg ntawm txhuas castings yog siab dua li ntawm cov hlau thiab hlau castings.
• Yog tias tsim los ntawm cov txheej txheem casting tuag, tus nqi pwm thiab cov qauv yuav ntau dua li lwm cov txheej txheem casting. Yog li ntawd, tuag casting txhuas castings yuav zoo dua rau castings ntawm loj xav tau kom muaj nuj nqis.
Cov tshuaj lom neeg muaj pes tsawg leeg ntawm kev nqis peev Casting Aluminium Alloy los ntawm North American Specifications | ||||||||||||||
Alloy Qib | Specification | Al | Cu | Si | Zn | Mg | Cr | Fe | Mn | Ti | Ag | Be | Ni | P |
A356-T6 | TIAB SA 4218 | Bal | 0.20 ib | 6.5–7.5 | 0.10 | 0.25-0.45 Nws | - | 0.20 ib | 0.10 | 0.20 ib | - | -- | - | - |
A 357 | TIAB SA 4219 | Bal | 0.20 ib | 6.5–7.5 | 0.10 | 0.40—70 Nws | - | 0.20 ib | 0.10 | 0.04-0.20 Nws | - | 0.04-0.07 Nws | - | - |
fwv 357 | TIAB SA 4289 | Bal | 0.20 ib | 6.5-7.5 Nws | 0.10 | 0.40—70 Nws | - | 0.10 | 0.10 | 0.04-0.20 Nws | - | 0.002 ib | - | - |
ib 357 | TIAB SA 4288 | Bal | - | 6.5-7.5 Nws | 0.10 | 0.55-0.60 Nws | - | 0.10 | 0.10 | 0.10-0.20 Nws | - | 0.002 ib | - | - |
A201 | TIAB SA 4229 | Bal | 4.0-5.0 | 0.05 Nws | - | 0.15-0.35 dr hab | - | 0.10 | 0.20-0.34 dr hab | 0.15-0.35 dr hab | 0.40-1.0 Nws | - | - | - |
C355 | TIAB SA 4215 | Bal | 1.0-1.5 hli | 4.5-5.5 | 0.10 | 0.40-0.60 Nws | - | 0.20 ib | 0.10 max | 0.20 ib | - | - | - | - |
A206 | TIAB SA 4235 | Bal | 4.2-5.0 | .05 max | 0.05 max | 0.20-0.35 dr hab | - | 0,10m ua | 0.20-0.50 Nws | 0.15-0.30 Nws | - | - | 0.5 max | - |
B206 | Bal | 4.2-5.0 | .05 max | 0.05 max | 0.15-0.35 dr hab | - | 0.10 max | 0.20-0.50 Nws | 0 10 | - | - | 0.5 max | - |


