How to Spray Paint a Car - Spray Painting - Car Paint Gun Operation
One thing is for sure if you are going to be a paint technician then how good you are at it will all depend on how well you learn to operate your spray guns. They are the tools of the trade and can mean the difference in your being an excellent paint technician or a poor one. Not only must one learn the various techniques involved with the spray guns there is also a must have knowledge to be gained in how to maintain the spray guns to keep them in their optimum working condition. You can have all the techniques mastered but if your gun is not operating properly then in won't matter about your techniques.
You have to visualize what the spray gun is doing when in operation such as taking tiny droplets of paints then breaking these droplets down into thousands of small particles. What gives the spray gun its ability to do this is its nozzle set. This is the air cap, paint needle and the fluid tip. There are variables that determine the size of those thousands of droplets of paint. It will depend on the viscosity of the streams of fluid as well as how much surface tension is present. The reason you don't get a steady stream of paint running out is because of the compressed air at the nozzle.
Getting on to the techniques of the gun when you slightly apply pressure to the trigger the air valve opens. With a little more pressure, it opens the fluid tip needle and allows the paint to flow.
If you are using a gravity gun. The amount of fluid dispersed is controlled by the viscosity of the paint. The flow is also determined by the fluid tip as well as the needle adjustment. As a rule of thumb, the gun should be almost fully open. With pressurized fluids, air pressure also affects the flow.
Equipment Set Up
Knowing how to work with atomization is the key to the proper set up. The combinations of the variants must be just right. For example the exact blend of the right nozzle with the correct pressure settings combined with fluid flow and fan width all the way they are suppose to be determines the outcome. Ideally, for the standard guns try and use only enough pressure to give you the best atomization and spray pattern.
If you are new to the world of spray painting the best advice in the beginning is keep it simple. In other words, use a type of spray gun that is going to do the job you need it for. There is no need to purchase a spray gun that has a lot of additives to it if you don't require them. On the other hand, if you are going to be using your spray gun on a regular basics then you may want something a little more advanced, as you will likely need it as you venture into your paint jobs.
Questions and Answers
Article Tags:
spray paint
,auto bodywork
,car repair
,car painting
,cars
,automotive
,auto
,hobbies
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,self help
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