Horizontal Anodizing Production Line 6500mm Max Profile Length

一. Design Condition

1. Alloy : Aluminium 6061 to 6063 or others
2. Anodizing film thinkness:10~ 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: Two fixtures /rack
8. Racking operation : Manual
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

二.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】 3 Tanks
5. Colouring 【stannous sulfate 3-8g/l,Free sulfuric acid 15-25g/l,PH 0.8-1.2】 1 Tanks
6. Medium Temperature Sealing【PH 5-6.5,Nickel ion0.8-1.3g/l,Fluorion0.3-0.7 g/l】 1 Tank

三.Treatment Process:

1. Degreasing
   (1) 6jig(rack)/ tank x 1 tank=6jig(rack)
   (2) treatment time: 2-5min
2. Alkaline Etching
   (1) 6jig(rack) / tank x 2 tank=12jig(rack)
   (2) treatment time: 3-15min
3. Neutralization
   (1) 6jig(rack) / tank x 1 tank=6jig(rack)
   (2) treatment time: 1-5min
4. Anodizing
   (1) 2 jig(rack)/tank x 3tanks = 6jig(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

5. Colour 1

1) Clour process: Mix Salts

2) Quantity:2 jig(rack)/tank x 1tanks = 2jig(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

四. Design Parameter and Setting

1. Anodizing treatment area:
1) Each anodizing process tank need 33min ,where total jig(rack)/year:​

( 2 rack x 3 tank x 60min/h) ÷33min x600 hour =6545jig(rack)

2) Design 51.4m²^/jig(rack) . Where every tank is 102.8m²
3) Area treatment/year : 6545jig(rack)x 51.4m² /jig =336413m²

2. Anodizing treatment weight:
Monthly output : 336413m²÷350m²/T*0.9=865T≧850T

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 =1 unit

五. 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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