Steel cylinder powder coating system

No.

Item

Parameter

1        

Workpiece name

Steel cylinder

2        

Material

Iron and steel parts

3        

Max passing size

Φ406*H1800mm

4        

Max weight

170kg

5        

Coating method

Automatic powder spraying + manual repair spraying

6        

Annual production

160,000pcs (40pcs/hour)

7        

Working system

8 hours/shift, single shift

8        

Workpiece conveying method

Suspension conveyor chain

9        

Conveyor chain model

XT-100, single-point load: 250Kg

10   

Hanging point distance

8*100=800mm，

11   

Workpiece hanging height

1200mm (Dimension from the upper level of the workpiece to the top of the track)

12   

Line speed

0.65m/min  (0.25-2.5m/min adjustable)

13   

Combined equipment operating rate

90%

14   

Energy

Electricity

220VAC; 380VAC; 50Hz;

Voltage fluctuation range: ± 10%

Industrial water

0.2～0.3MPa

Heating source

Pre-treatment: saturated steam, working pressure: 0.4 ~ 0.6MPa

Drying oven: natural gas

15

Design Overview

This equipment includes 1 set of pre-treatment device, 1 set of moisture drying oven, 1 set of automatic powder coating booth, 1 set of powder spraying shielding room, 1 set of powder curing oven, 1 set of hanging chain conveyor device, 1 set of electrical control device.

No.

Process

Method

Treatment liquid

Treatment time (min)

Treatment method

(℃)

1

Loading

Manual

3

Deg -1

Spray

Degreaser

1

50-55

4

Deg -2

Spray

Degreaser

3

50-55

5

Rinse 1

Spray

Industrial water

1

RT

6

Rinse 2

Spray

Industrial water

1

RT

7

Phosphating

Spray

Phosphating agent

3

40-0

8

Rinse 3

Spray

Industrial water

1

RT

9

Rinse 4

Spray

Industrial water

1

RT

10

Water drying

Hot air circulation

15

100-120

11

Cooling

Natural cooling

15

12

Powder spraying

Automatic spraying +

Manual touch-up

5

RT

13

Powder curing

Hot air circulation

35

180-190

14

Cooling

Natural cooling

40

15

unloading

Manual