Léngkah Prosés Produksi Keusik Casting
1. Nyieun Pola
Pola résin atanapi aluminium bakal dipikabutuh pikeun prosés tuang keusik héjo. Tanpa pola, produksi pikeun casting moal mungkin. Sakapeung, pola kai bisa dipaké pikeun produksi kuantitas leutik, tapi pikeun produksi masal, résin atawa aluminium pola bakal leuwih cocog.
2. Prosés Molding
The molding keusik héjo bisa dijieun ku tilu métode ilaharna, kaasup molding manual, mesin molding jeung alat molding otomatis. The molding manual nyaéta métode molding tradisional, tapi masih aya kusabab kamampuhna pikeun castings badag kalawan waragad handap. Metodeu mesin molding bisa ngahemat tanaga gawé sarta ngahasilkeun castings kualitas hadé, tapi teu bisa ngahasilkeun castings badag kusabab watesan ukuran na kotak keusik.
3. Beusi Lebur jeung Tuang
Lebur tiasa dilakukeun ku tungku induksi listrik frekuensi sedeng, anu tiasa ngajaga kualitasna saé sareng stabil dibandingkeun sareng tungku tradisional.
4. Keusik Blasting jeung grinding
Saatos castings beusi keusik héjo anu dicokot kaluar tina molds keusik, aranjeunna bakal dibikeun kana lengkah saterusna pikeun shot blasting atanapi shot-peening ngaleupaskeun pasir jeung oksida luar tina bagian casting. Mangka operator bakal neukteuk off, ngabersihan jeung grind huluna gating, risers, garis parting jeung edges seukeut.
Pamrosésan salajengna sapertos perlakuan panas, mesin precision sareng perawatan permukaan bakal diteruskeun upami gambar atanapi pangguna akhir peryogi.
Aluminium jeung alloy na bisa tuang jeung dituang ku tekanan tinggi paeh casting, tekanan low paeh casting, gravitasi casting, keusik casting, casting investasi jeungleungit busa casting. Biasana, castings alloy aluminium gaduh beurat kirang tapi struktural rumit sarta permukaan hadé.
Tuang Aluminium Kelas dina Standar Béda | |||||||||
AISI | W-stoff | DIN | BS | SS | AFNOR | JIS | UNI | EN | ISO |
A356 | 3.2371 | G-AlSi7Mg | LM25 | 4244 | A-S7G | AC4C | - | 42000 | AlSi7Mg |
- | 3.2373 | G-AlSi9Mg | - | - | - | - | - | - | - |
A360 | 3.2381 | G-AlSi10 Mg | LM9 | 4253 | A-S10G | - | - | 43100 | AlSi10 Mg |
A413.2 | 3.2581 | G-AlSi12 | LM6 | 4261 | A-S12U | AC3A | - | 44100 | AlSi12 |
A413.0 | 3.2582 | GD-AlSi12 | - | 4247 | - | - | - | - | - |
A413.1 | 3.2583 | G-AlSi12(Cu) | LM20 | 4260 | A-S12 | - | - | 47000 | AlSi12(Cu) |
- | 3.3561 | G-AlMg5 | LM5 | 4252 | A-SU12 | AC4A | - | 51300 | ALMg6 |
- | 3.5101 | G-MgZn4SE1Zr1 | MAG5 | - | G-Z4TR | - | - | - | - |
- | 3.5103 | MgSE3Zn2Zr1 | MAG6 | - | G-TR3Z2 | - | - | - | - |
- | 3.5106 | G-MgAg3SE2Zr1 | MAG 12 | - | G-Ag22,5 | - | - | - | - |
- | 3.5812 | G-MgAl8Zn1 | MAG1 | - | G-A9 | - | - | - | - |
- | 3.5912 | G-MgAl9Zn1 | MAG7 | - | G-A9Z1 | - | - | - | - |
355.1 | - | G-AlSi5 | LM16 | - | AS4GU | - | - | 45300 | ALSi5Cu1 |
A380 | - | G-AlSi8Cu3 | LM24 | 4250 | A-S9U3 | AC4B | - | 46500 | AlSi9Cu3(Fe)(Zn) |
319 | - | G-AlSi6Cu4 | LM21 | - | A-S5UZ | AC2A | - | 45000 | AlSi6Cu4 |
319.2 | - | G-AlSi6Cu4 | LM22 | - | A-S5U | AC2A | - | 45400 | AlSi5Cu3 |
Naon Aluminium Alloy Urang Tuang ku Keusik Casting Prosés:
• Tuang Aluminium Alloy ku Cina Standar: ZL101, ZL102, ZL104
• Tuang Aluminium Alloy ku AS Stardard: ASTM A356, ASTM A413, ASTM A360
• Tuang Aluminium Alloy ku Starndards séjén: AC3A, AC4A, AC4C, G-AlSi7Mg, G-Al12
Ngahiji | asosiasi aluminium | Teu karasa BHN | kakuatan tensile pamungkas, MPa | Kakuatan ngahasilkeun, MPa | Modulus élastisitas, GPa | Kakuatan kacapean, MPa |
A03550 | AA355.0 | 75-105 | 255 | 185 | 70.3 | 69.0 |
A03600 | AA360.0 | 75.0 | 300 | 170 | 71.0 | 138.0 |
A03800 | AA380.0 | 80.0 | 317 | 159 | 71.0 | 138.0 |
A03830 | AA383.0 | 75.0 | 310 | 152 | / | 145.0 |
A03840 | AA384.0 | 85.0 | 331 | 165 | / | 140.0 |
A03900 | AA390.0 | 120.0 | 280 | 240 | 81.2 | 140.0 |
A04130 | AA413.0 | 80.0 | 296 | 145 | 71.0 | 130.0 |
A04430 | AA443.0 | 30-60 | 145 | 48.3 | 71.0 | / |
A05180 | AA518.0 | 80.0 | 310 | 193 | 69.0 | 160.0 |
Aluminium Alloy Castings Ciri:
• kinerja casting téh sarupa jeung nu castings baja, tapi sipat mékanis relatif ngurangan leuwih nyata salaku ketebalan témbok naek.
• The ketebalan témbok of castings teu kudu badag teuing, sarta fitur struktural séjén anu sarupa jeung castings baja.
• beurat hampang tapi struktural kompléks
• waragad casting per kg castings aluminium leuwih luhur ti éta tina beusi jeung baja castings.
• Lamun dihasilkeun ku prosés casting paeh, biaya kapang jeung pola bakal jadi loba nu leuwih luhur ti prosés casting lianna. Ku alatan éta, paeh casting aluminium castings bakal leuwih cocog pikeun castings tina jumlah nuntut badag.
Komposisi Kimia has tina Investasi Casting Aluminium Alloy ku Spésifikasi Amérika Kalér | ||||||||||||||
Kelas alloy | Spésifikasi | Al | Cu | Si | Zn | Mg | Cr | Fe | Mn | Ti | Ag | Be | Ni | P |
A356-T6 | AMS 4218 | Bal | 0.20 | 6. 5 - 7. 5 | 0.10 | 0.25-0.45 | - | 0.20 | 0.10 | 0.20 | - | -- | - | - |
A 357 | AMS 4219 | Bal | 0.20 | 6. 5 - 7. 5 | 0.10 | 0.40-.70 | - | 0.20 | 0.10 | 0.04-0.20 | - | 0.04-0.07 | - | - |
F 357 | AMS 4289 | Bal | 0.20 | 6.5-7.5 | 0.10 | 0.40-.70 | - | 0.10 | 0.10 | 0.04-0.20 | - | 0.002 | - | - |
E 357 | AMS 4288 | Bal | - | 6.5-7.5 | 0.10 | 0,55-0,60 | - | 0.10 | 0.10 | 0.10-0.20 | - | 0.002 | - | - |
A201 | AMS 4229 | Bal | 4.0-5.0 | 0.05 | - | 0.15-0.35 | - | 0.10 | 0.20-0.34 | 0.15-0.35 | 0.40-1.0 | - | - | - |
C355 | AMS 4215 | Bal | 1.0-1.5 | 4.5-5.5 | 0.10 | 0.40-0.60 | - | 0.20 | 0,10 max | 0.20 | - | - | - | - |
A206 | AMS 4235 | Bal | 4.2-5.0 | .05 max | 0,05 max | 0.20-0.35 | - | 0.10ma | 0.20-0.50 | 0.15-0.30 | - | - | 0,5 max | - |
B206 | Bal | 4.2-5.0 | .05 max | 0,05 max | 0.15-0.35 | - | 0,10 max | 0.20-0.50 | 0 1 0 | - | - | 0,5 max | - |


