Arc Spray Gun

PROCESS	Arc Spray

Description

Item Content		Basic Parameters
Spray gun weight		3 kg
Compressed air pressure		>= 0.5 Mpa
Compressed air consumption M3/min		Air pulverization cap diameter Φ 6		Air pulverization cap diameter Φ 7
		1.8		2.4
Wire feeding pull force for spray gun Spraying efficiency		>= 8 kg
		Φ 2 Zinc wire 200 A		Φ 2 Aluminum wire 200 A
		20 kg/h		6.5 kg/h
Current & Voltage	Spray materials: zinc, aluminum, lead-tin alloy, copper, carbon steel, stainless steel, zinc/aluminum	Wire diameter specification	Open circuit voltage		Normal working powder supply
		Φ 1.2 -1.3	20 – 28 V		50 – 80 A
		Φ 1.3 – 2	35 – 40 V		100 – 200 A
		Φ 1.6 – 2	35 – 40 V		120 – 240 A
		Φ 2	22 – 28 V		150 – 200 A
Air cap selection		Wire diameter of spray materials (mm)		Air pulverization cap aperture (mm)
		Φ 1.2 -1.3		Φ 5 – 6
		Φ 1.6		Φ 6 – 7
		Φ 2		Φ 7
		Φ 3		Φ 9 – 10

Nozzle assembly is an independent unit assembly collecting gas and electricity which consists of the following main components.

Arc light cover which is used to shield the arc light does not irradiate the operator within 130 °
Front conduit assembly: it is made of wear-resistant material with good conductivity. It plays a guiding role in forcing two wires to cross, and it is also one of wear replacement parts. In general, only copper parts (connection nozzles) at the end of the conduit can be replaced.
The adjusting air cap is made of ceramic material, and its outer diameter is M39 × 1.5 thread, which can be adjusted freely in axial direction. Generally, the distance from the intersection of the second line to the plane of the air cap is 1-3 mm. If the intersection of the second line is in the air cap, there will be detonation and “coating accumulation”. If the intersection of the second line is far away from the plane of the air cap, there will be coarser coating particles. (Therefore, the adjustment principle is: when adjusting the distance from the air cap plane to the intersection of the second line, the closer the air cap plane to the intersection of the second line is, the better the distance without explosion.)

Wire feeding power mechanism: the wire feeding power is to drive a group of planetary systems by using a DC micro motor, and then through a pair of screws and worm gears to a pair of wire feeding rollers, so that the metal wire is continuously delivered to the front of the nozzle, and the wire feeding speed is regulated by the electronic circuit stepless.
Wire clamping mechanism: turn the tightening button to ensure the proper pressure of the wire feeding roller so that the wire can be delivered to the front of the nozzle at a constant speed.

1: Protective cover	2: Shield cover	3: Air Cap	4: Connecting nozzle
5: Catheter	6: Spray Head assembly	7: Air shrinkage after	8: Positioning pad figure
9: Electric pile	10: Nozzle connector	11: Electric pile washer	12: M8 bolt
13: Worm bearing sleeve	14: R26 bearings	15: Worm	16: Worm wheel
17: Wire feeding wheel	18: Gearbox	19: Gear cover box	20: 100800 bearing
21: Bearing cap	22: Positioning steel ring	23: To strengthen the gasket	24: Ø11 Insulation washer
25: Below wire wheel assembly	26: Ø8 Insulation washer	27: Main shaft nut (left, right)	28: Reduced core shaft
29: System tight knob	30: Spring	31: Spring seat	32: Flap cover
33: Up Wire wheel assembly	34: Cap screw	35: Pressure wheel shaft	36: Double head tightening nut
37: Annular gear	38: planet pinion	39: Planetary skeleton assembly	40: Skeleton bearing
41: Gear box connection plate	42: Motor connector	43: After catheter	44: M8 nut
45: Quick coupling	46: Hose coupling	47: Motor out shaft gear	48: Pinion connecting shaft
49: Arc spray gun motor	50: Cover piece	51: Hand shank	52: Bat-handle switch

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