GA5000 EAW (AIR SPRAY)
Electrostatic Water-Based Automatic
Air Spray Gun
ไทย
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GA5000EAW
For mass production factory of small and medium workpiece which consume a huge liquid material capacity with special feature of material saving in significant amount
The combination of electrostatic technology and air spray method
Electrostatic Automatic Air Spray Gun GA5000EAW reproduce the atomizing system from GM5020EAW which is the manual type for nozzle, air cap and needle that it is used same set with automatic type. The different is GA5000EAW structure will include the control section replace handle and trigger in order to use air pressure to switch on/off gun control so the air hose will be different type from manual type but the basis of using pneumatic system are the same which following as below explanation;
If we said "the best method of paint spraying is AIR SPRARY method because it cover completely surface with the best performance", this message is not exaggerated at all. As the air spray method, the air pressure is the key power to make paint atomization that this atomizing provide the widest spray pattern so the complex surface such as small auto-part for car, aeroplane, door and etc. The air spray method will be the first priority to consider and solve the normal issue of air spray such as waste a lot of paint from atomizing and overspray. Applying the electrostatic technology to use with air spray is the best decision for solving this issue.
As mentioned, electrostatic support paint to bring the paint atomizing into workpiece automatically, combining with air spray and wrap around feature will make a great performance of coating and save a lot of material consuming.
Structure of GA5000EAWIC (Adjust Spray Pattern (Shaping Air) at Spray Gun)
Every automatic spray gun divide sub spray gun type for spray pattern adjustment, first, the GA5000EAWIC which is setting spray pattern at spray gun. IC is came from internal control. The structure are following as below;
Component GA5000EAWIC
1. Front Cover
2. Union Nut
3. Air Cap
4. Flat Jet Nozzle
5. Gun adapter (Main Equipment Holder)
6. Spray Pattern Setting (Shaping Air)
7. Piston Housing
8. Valve rod regulating screw
9. Rear Cover
10. Air diffuser housing
11. Gun holder
12. Paint Hose
13. Round Nozzle AR5000
14. Aircap AR5000
15. Nozzle Insert EARV
16. Nozzle EAWRV
17. Union Nut EARV
Structure of GA5000EAWIC
Connection on the rear side of GA5000EAWIC
1. Connection closed with dummy plug
2. Fluid Inlet G1/4
3. Control air connection D6
4. Gun cable connection
5. Atomizing air connection D10
Rear Connecting Position of GA5000EAWIC
Spray Pattern adjusting with EAIC
Position A is the adjusting screw for spray pattern that the user need to adjust by themselves. The position B is the valve rod for screw adjustment which provide the precise value and continuous.
Spray Pattern at GA5000EAW
Structure of GA5000EAWEC (Spray Pattern adjustment at control unit)
The other sub type of GA5000EAW is GA5000EAWEC that the spray pattern must be adjusted at external air regulator. EC is mean external control or adjustment will be performed at external spray gun which support an operating progress more easy and suitable for spray booth which has limited area for reaching to spray. For spray pattern adjustment, it is required to install additional air regulator for air pattern.
Component of GA5000EAWEC
1. Front Cover
2. Union nut
3. Air Cap
4. Flat Jet nozzle
5. Gun Adapter (Main Equipment holder)
6. Piston Housing
7. Valve rod regulating screw
8. Rear Cover
9. Air diffuser housing
10. gun holder
11. Paint hose
12. Round Nozzle AR5000
13. Aircap AR5000
14. Nozzle Insert EARV
15. Nozzle EAWRV
16. Union Nut EARV
Connection on the rear side of GA5000EAWEC
1. Spray Pattern (Shaping air) Connection D8
2. Fluid inlet connector
3. Control air connection D6
4. Gun cable connection
5. Atomizing air connection D10
Remark:
The significant different between EAWIC and EAWEC is position no. 1 that EAWEC is needed to be connected with air hose D8 which is linked between spray gun and additional air regulator from outside.
Technical Data of GA5000 EAW
Dimension of GA5000EAW
Dimension of GA5000EAW in case of flat nozzle
Position A: 280 mm
Position C: 75 mm
Position D: 135 mm
Dimension of GA5000EAW in case of round nozzle
Position B: 280 mm
Connector Dimension of GA5000EAW
Position E: 18 mm
Position F: 3.2 mm
Position G: 7 mm
Position H: 15.5 mm
Flow Rate of GA5000EAW (with Round nozzle)
EARV 5000 Nozzle
Round Nozzle AR 5000 12 mm (D12)
Round Nozzle AR 5000 8 mm (D8)
Remark
Rate g/min = ml/min
Flow Rate of GA5000EAW (with Flat nozzle)
Condition of Flat Nozzle
Viscosity level at 22 second of DIN CUP 4 (or 21 second NK-2 for ANEST IWATA viscosity cup)
Paint hose length 7.5M and inside diameter at 6MM.
Remark
Rate g/min = ml/min
Paint Resistant and Suitable application
Recommended Paint Resistant
Before explain about the suitable paint resistant, it is require to explain about 3 types of water-based chemical (or water-dilutable lacquers) which are following as below;
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Non-ignitable lacquers
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Hard to ignite lacquers
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Ignitable lacquers
As above 3 groups of water-based chemical, it must be applied with non-ignitable lacquers water-based type only for electrostatic water-based spray gun. (Include apply under Aqua Coat system) and the specific resistance of the water-based paint must be between 0.5 kΩ cm and 1 MΩ cm.
Application for GM5020EAW
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Every application must be comply with non-ignitable lacquers water-based chemical.
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Automotive part, small and middle vehicle. Currently, the proportion of water-based paint is increased for production line.
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Aircraft part that it require for water-based paint application.
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Wood furniture (mangrove or wood which has moisture inside) with complex surface.
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Metal work but the material should be stainless or another type of metal which rust resisted.
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Plastic and glass (Require the state solution coating before using electrostatic gun)
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All above must be using within spray area which install ground system and has safety compliance.
Part for Aircraft
Some automotive part which require water-based paint
Suitable Viscosity Level of GA5000EAW
The viscosity rate is referred to lacquer as the main material and the recommend rate scale is DIN Cup 4 which is the viscosity cup with diameter size at 4 mm.
The recommend viscosity rate is 15 and 30 DIN sec according to below tale (Remark: DIN4 is the standard viscosity unit of industry at Germany, the measurement unit is second by counting from timing liquid fall down flow from cup. The below table is the compatative table with other standard rate)
Document: Viscosity Table
Please click on left icon to see the bilingual document
The guidance of viscosity table for GA5000EAW
The recommend rate is 15 and 30 DIN Cup 4 sec so if we use the other standard rate, please refer to number on row 5 to row 12 in left table Therefore, the viscosity rate in the same row can use. For example, if you use ANEST IWATA NK-2, the recommend rate is 11 ad 31 NK-2 sec.
Accessories with GA5000EAW
(Please click "Details" for further information)
Feeding unit for Electrostatic water-based spray Gun GA5000EAW
(Please click "Details" for further information)
Suggestion for choosing feeding unit
The feeding unit section will present both normal version (solvent-based paint version) and stainless version (water-based paint version) within the same content. In order to select correctly feeding unit. Please choose the stainless version as priority to make consideration. In case of pressure tank, please select the stainless pressure tank version because the feeding and tank must be kept in plastic cabinet throughout the operating time.
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