Customization and Flexibility Automated Anodizing Line Aluminium Alloy Profile
一.Description
1.Anodizing production lines can accommodate different variations of the anodizing process to achieve specific results.
2.Anodizing production lines often incorporate systems to control the thickness of the anodized layer on the metal objects.
3.Some anodizing production lines are capable of performing Type III hard anodizing, also known as sulfuric acid hard anodizing or hardcoat anodizing.
二.Feature
1.Modern anodizing production lines often incorporate automation and advanced control systems to enhance efficiency and consistency.
2.The design of racks and fixturing used in the production line is crucial for optimal anodizing results.
3.Anodizing production lines can consume significant amounts of electricity, especially during the anodizing process.
三. Design Condition
| 1 | Alloy | Aluminium 6061 to 6063 or others |
| 2 | Anodizing film thinkness | 9~ 12µm micron |
| 3 | Average coverage area | 350m²/T (ton) |
| 4 | Max aluminium profile length | 6500mm |
| 5 | Extrusion ratio | 2.5kg/m² |
| 6 | Working hour/m | 300d/m x 20h/d = 600h/m |
| 7 | Racking system | Three fixtures /rack |
| 8 | Racking operation | Mamual |
| 9 | Equipment Usage Rate | 0.9 |
| 10 | Power supply | AC 3phase 380v 50hz |
| 11 | Control Power | AC220V 50Hz |
| 12 | Water supply | 2kg/cm²·G |
| 13 | Hot steam | 6kg/cm²·G |
| 14 | Compressor air | 6kg/cm²·G |
四.Process Tank
| 1 | Degreasing 【Free sulfuric acid 180±30 g/l】 | 1 Tank |
| 2 | Alkaline Etching【Free alkali 40-60g/l,Al3+ 30-120g/】 | 2 Tanks |
| 3 | Neutralization 【Free sulfuric acid180±20g/l】 | 1 Tank |
| 4 | Anodising 【Free sulfuric acid 140-180g/l,Al3+≤20g/l】 | 8 Tanks |
| 5 | Colouring 【stannous sulfate 3-8g/l,Free sulfuric acid 15-25g/l,PH 0.8-1.2】 | 3 Tanks |
| 6 | Medium Temperature Sealing【PH 5-6.5,Nickel ion0.8-1.3g/l,Fluorion0.3-0.7 g/l】 | 3 Tank |
五.Treatment Process:
- Degreasing
(1) 6jig(rack)/ tank x 1 tank=6jig(rack)
(2) treatment time: 2-5min - Alkaline Etching
(1) 6jig(rack) / tank x 2 tank=12jig(rack)
(2) treatment time: 3-15min - Neutralization
(1) 6jig(rack) / tank x 1 tank=6jig(rack)
(2) treatment time: 1-5min - Anodizing
(1) 3 jig(rack)/tank x 8tanks = 24jig(rack)
(2) Current density: 130A/m²
(3) Process time: 26min
(4) Unprocess time: 7min
(5) Total time 26+7=33min
(6) Average anodizing layer : 0.36*1.3*26*0.77 =9.4um
- Colour 1
1) Clour process: Mix Salts
2) Quantity: 3 jig(rack)/tank x 1tanks = 3jig(rack)
3) Current density: 70A
4) Process time: 2-8min
6. Sealing
1) Sealing menthod: Sealing at Medium or Normal Temperature
2) Quantity:6jig(rack)/tank x 1 tank
3) Process time 10-15min
六. Design Parameter and Setting
1. Anodizing treatment area:
1) Each anodizing process tank need 33min ,where total jig(rack)/year:
( 3 rack x 8 tank x 60min/h) ÷33min x600 hour =26181jig(rack)
2) Design 50m²/jig(rack) . Where every tank is 100m²
3) Area treatment/year : 26181jig(rack)x 50m² /jig =1309050m²
2. Anodizing treatment weight:
Monthly output : 1309050m²÷350m²/T*0.9=3366T≧3000T
3. Power consumption:
1) Anodising Tank:100m²/tank* 130A/ m²÷0.9=14444A/tank
Power Rectifier : 15000A =3unit
2) Clouring tank: 100㎡/tank×70A/m²÷0.9 = 7777A/tank
Colour Rectifier : 8000A =3 unit
七. Process Chat
Discription for Un
1) De = Degreasing
2) Rs = Rinsing, HW Rs = Hot Water Rinsing
4) AE = Alkaline Etching
5) Ne = Neutralization
6) An = Anodizing
7) Cl = Coloring
8) Sl = Sealing
9) MU = Material Unloading
10) Pc = Packing
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