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Automatic Powder Coating Line for 6.7 m Aluminium Profiles – Viet Y Aluminium JSC


KIEUAN designed, manufactured and installed a turnkey automatic powder coating line for aluminium profiles up to 6.7 m long at Viet Y Aluminium JSC (Nguyen Khe Industrial Zone, Dong Anh, Hanoi). Design capacity: 200 tonnes per month per 8-hour shift.

Automatic powder coating line at Viet Y Aluminium
Overview of the automatic powder coating line

Project brief

Viet Y needed a coating line for long profiles with high output and uniform colour along the full length. Profiles are up to 6.7 m long and weigh up to 50 kg each.

Viet Y Aluminium factory, Dong Anh, Hanoi
Viet Y Aluminium factory – Dong Anh, Hanoi

Design

KIEUAN surveyed the site, calculated capacity and produced the full drawing set: spray booth, curing oven, conveyor, clean room and steel structure.

3D design of the KIEUAN coating line
3D design by KIEUAN engineers

Process

1. Pre-treatment

Profiles are pre-treated in aerated tanks for strong powder adhesion and lasting colour.

Pre-treatment of aluminium profiles
Pre-treatment

2. Loading and conveyor

Twin-rail overhead conveyor of about 100 m, 5-tonne system load, up to 200 kg per hanger, speed 1–3 m/min via inverter, with automatic chain lubrication.

Loading 6.7 m profiles onto the conveyor
Loading 6.7 m profiles

KIEUAN twin-rail conveyor
KIEUAN twin-rail conveyor

3. Automatic spraying

The 7 m KIEUAN-BSAT-7000SB booth has a SUS304 stainless floor. Two KIEUAN-R-2000 reciprocators carry 12 automatic guns, controlled by PLC and touch-screen HMI. Overspray is recovered through two filter stages, sieved automatically and reused.

Automatic powder spray guns
Automatic powder guns

Spray gun controllers
Gun control cabinet

KIEUAN HMI control screen
HMI controlling the reciprocators

4. Curing

13 m LPG curing oven with a RIELLO (Italy) burner rated 300,000 kcal/h, working range 120–220 °C, recirculation fan and air curtains at the entrance.

RIELLO gas burner for curing oven
RIELLO gas burner

Oven temperature controllers
Oven temperature control

Result

The line has been running and monitored since September 2019. Film thickness is even and was measured at handover.

Coated aluminium profiles on the conveyor
Coated profiles

Film thickness measurement
Film thickness measurement at handover

Key specifications

  • Product: aluminium profiles up to 6.7 m, up to 50 kg each
  • Capacity: 200 tonnes/month per 8-hour shift
  • Conveyor: twin-rail, ~100 m, 5 t, 1–3 m/min
  • Spraying: 2 reciprocators, 12 automatic + 2 manual guns, 2-stage powder recovery
  • Curing: 13 m LPG oven, RIELLO 300,000 kcal/h, 120–220 °C
  • 5 x 12 m clean room, tank aeration system, central control panel

Equipment manufactured by KIEUAN
Equipment made by KIEUAN

KIEUAN – turnkey coating lines: consulting, design, manufacturing and installation. Hotline +84 913 203 999 · info@kieuan.vn · Bien Giang Industrial Point, Chuong My Ward, Hanoi.


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10-11-26 23:15:04


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