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Determining the best spray system

4. August 2018 11:16

By: Diane Shattuck, Gemini Industries
With all the different spray systems available today, how do you determine which one best fits “YOUR” needs as a small shop?

Questions to ask

  • How much finishing do you do on average?
  • What type of parts will you be finishing?
  • Where will you be finishing (shop/field)?
  • What types of coatings will you be spraying?
  • What other equipment will you need to support your spray system?

Three essential components

Choosing a spray systems basically breaks down to three essential components: spray gun, cup or pot, and a power system. A

Spray gun

A tool that uses compressed air to atomize finishes and apply to a surface. The finish and air enter the gun through two separate passages and then mix together at the air cap (atomize) before landing on the targeted object.

Cup or pot

A container that holds the finish, ranging in sizes from as little as 4 oz. (used on touch up guns) to 10 gallons pressure pots. They can be connected to the gun directly or by a fluid hose from the container to the gun.

Power system

  • Turbine systems: self-contained system, portable and generates high volume of slow moving air only when in operation. Controlled and consistent air pressure determined by how many stages (fan blades & size) very limited in variances of pressures.
  • Compressed air: used as a source of power for many tools in your shop, has the ability to store energy on tap, available in all sizes, can produce high and low air pressures.

Register to attend “Transitioning to in-house finishing – profitably” during IWF to learn more considerations before you bring your finishing in-house.


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