The spray gun comprises a gun physique and a gun head, which are related by a connecting system the gun head comprises a nozzle, in which a quantity of metallic spherical steels are plug welded the connecting mechanism contains a flange and a chain pin, and the nozzle is created into a flat form the substitution is practical, the cost is low, and the gun head can be properly prevented from slipping off and sporting.
 
In the spraying procedure, improper spray gun procedure will impact the spraying influence of the item. Good spraying influence is revealed in: 1. Average coating distribution.   two. The coating ought to not be as well thick or as well thin.

Many troubles to be observed in spraying:

one.Motion velocity of spray gun.
In the spraying procedure, the transferring speed of the spray gun has a wonderful affect on the coating result.
1). If the manual spray gun moves way too rapidly, the coating on the area of the coating is slender and dry, with inadequate leveling and coarseness
2). If the shifting pace of the guide spray gun is sluggish, the coating on the area of the coating must be quite late, and it is straightforward to produce the phenomenon of sagging.
3). The ideal moving pace of spray gun is that soon after spraying, the coating on the surface area of the coating is entire, uniform and soaked. This wants to be controlled by operators with specified spraying experience.

2.Control of the cause.
The gun is managed by the cause. The further the set off is pulled, the better the liquid circulation charge. In the process of traditional gun going for walks, the cause of electrostatic spraying tools is often buckled, not 50 percent buckled. In purchase to steer clear of the accumulation of paint sprayed at the end of each going for walks gun, seasoned painters must marginally loosen the set off to lessen the paint source.

3.Orientation of spray gun to substrate area.
The spray gun must be vertical to the substrate area, or try to be vertical. If the spray gun is a minor askew, the result will absolutely trigger the spray band to movement to a single aspect, even though the other side will seem skinny and lack of paint, which is likely to result in stripe coating.

4. Distance among spray gun and substrate floor.
For the siphon spray gun, the ideal operating interval is 15 ~ 20cm. If the interval is way too shut, it might generate circulation, and even cause the colour inconsistent with the expected when spraying metallic flash paint or pearlescent paint. If it is too far aside. Far more than 20cm, it could lead to dry spraying, over spraying and very poor leveling of the coating. If the metallic flash paint is sprayed, the possibility of shade change may also exist. The stress spray gun can be significantly absent from the foundation materials. CZPTly, the best interval is 20 to 30 cm. These are the rules that should be adopted when spraying design.

five.Hold the gun.
The gun is held by the palm, thumb, tiny finger and ring finger, and the center finger and index finger pull the set off. Some painters alter the way of keeping the gun from time to time when they function for a prolonged time. Sometimes they only use their thumbs and palms with their little fingers, occasionally they use their ring fingers to hold the gun, and their middle and index fingers are utilised to pull the trigger. Electrostatic spraying products can ease fatigue and improve operate performance.

Upkeep of spray gun:

Solution to spray gun failure:
In the process of making use of the spray gun, some problems occasionally show up. Now, the phenomenon of the spray gun is analyzed in detail, and in accordance to the phenomenon, the purpose is analyzed to uncover out the solution.

Have a tendency Still left or Appropriate:
Cause:
1. The enthusiast management gap on a single side of the air cap is blocked
2. Air cap destroyed

Countermeasures:
1. Cleansing the atomizing cap
2. Change the atomizing cap

Also thick in the middle of spray amplitude:
Purpose:
one. The viscosity of the sprayed coating is as well substantial
two. Spraying pressure way too low
3. Nozzle diameter and thimble increase and decrease due to dress in

Countermeasures:
1. Lessen paint viscosity
2. Boost spraying stress
three. Substitute nozzle established

Spray break up:
Reason:
1. Paint viscosity too lower
two. Too high spraying force
three. The internal diameter of fan manage hole is too massive
four. Insufficient paint
five. Atomizing air passage blocked

Countermeasures:
one. Improve the viscosity of paint
two. Reduce spraying stress
three. Replace nozzle established
four. Include sufficient paint
5. Thoroughly clean the air passage of the spray gun

Leap gun:
Explanation:
1. Nozzle not tightened or put in
2. Gun needle seal kit unfastened
three. Free connecting nut of spray gun (decrease spray gun)
four. Inadequate paint in the pot
5. Nozzle established broken

Countermeasures:
1. Tighten the nozzle or thoroughly clean and install the nozzle package deal
two. Fastening thimble seal package
three. Tighten the connecting nut
4. Supplementary coating
five. Substitute nozzle set

Higher or decrease fat of spray width:
Purpose:
1. The air outlet of nozzle, thimble or air cap is blocked by sundries
two. Damaged air cap or nozzle

Countermeasures:
1. Cleansing nozzle established
2. Exchange nozzle established

Phenomenon: no paint or a little amount of paint

Explanation:
1. The air supplement hole of gun pot cover is blocked or the air cap and suction pipe are critically blocked
two. There is no paint in the pot
three. Thimble journey too small

Countermeasures:
one. Thoroughly clean the air provide hole, air cap and suction pipe on the lid
two. Supplementary coating
three. Rotate the paint stream altering knob to increase the stroke of needle valve

Coating leakage at nozzle:
Reason:

one. The sealing nut of thimble is too restricted
two. CZPT issue in nozzle port
three. Nozzle and thimble are not matched or ruined
four. Thimble return spring damaged or not put in

Countermeasures:
1. Loosen the sealing nut of the thimble
2. Clear the nozzle
3. Replace nozzle set
four. Substitute the ejector return spring or set up the higher ejector return spring

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