Aluminium Profile Powder Coating line

Design basis of horizontal aluminium profile powder coating line
1. Name of workpiece: Aluminium profile (Horizontal hangingmethod)
2. Max hanging size on each hanger:L6300mm×W200mm×H1500mm
3.Suggested interval between 2 hangers: 500mm
4.Conveying speed: 1.3m/min
5. Output: 10-12 hangers per hour
6. Sprayingmethod: 4 auto spray guns (match on 2 reciprocators) & 2 manual sprayguns
7. Heating source: natural gas (Other choices are available:electricity, oil or coal)
8. Required plant size:L52m×W24m×H6.5mm

Design description of half automatic aluminium profile powder coating line
1. According to the shape of aluminium profile, we designthe pretreatment to be economical immersion tank type with 6 stage processings.
2. After chemical cleaning, the pre-treated workpieces will beconveyed to drying furnace for water removal on their surface. The drying furnace is designed being tank type to match with immersion pretreatment tanks,and with a top-door design for easy access of pre-treated workpieces.
3.After drying, the workpieces are ready for powder particle adhesion. Please manually feed them on auto powder painting line. For a better painting result,the spray booth, waster powder recycling system, reciprocator adopts advanced equipments in China through our careful selection. And the spraying guns, both auto and manual are imported from foreign famous company for a longer service life. Then these workpieces will be sent to gas-fired furnace tunnel to let powder melt into a smooth coating.

Process flow of aluminium profile powder painting line
1. Feed your aluminium profiles on crane hanger for the preparation for chemical cleaning
2.Pickling stage (Room temperature for 3-5mins)
3.Rinsing stage (Room temperature for 1-2 mins)
4.Rinsing stage(Room temperature for 1-2 mins)
5.Chromizing stage (25-35 Celsuis for 1-5mins)
6.Rinsing stage (Room temperature for 1-2 mins)
7.Rinsing stage(Room temperature for 1-2 mins)
8.Drying off oven to remove surface moisture(70-100 Celsuis for 20-30 mins)
9.Manually transfer the pre-treated objectsto powder coating line
10.Powder application with spray guns
11.Powdercuring (180-200 Celsuis for 20-18 mins)
12.Finished product discharging
If above parameters cannot meet with your strict coating need, please contact us for more detail. We can make some adjustments or even improvements to suit your actual production conditions.

Automatic powder spray booth with automatic powder guns 

tunnel type powder coating oven