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Air-operating tools and spray guns comprehensive review

By: Kal Banev

An airbrush is a small, air-operated tool that sprays various media including ink and dye, but most often paint by a process of atomization. Spray guns developed from the airbrush and are still considered a type of airbrush.

Types

Airbrushes are usually classified by three characteristics. The first characteristic is the action performed by the user to trigger the paint flow while the second is the mechanism for feeding the paint into the airbrush and the third is the point at which the paint and air mixes.

Trigger

The simplest airbrushes work with a single action mechanism where the depression of a single "trigger" results in paint and air flowing into the airbrush body and the atomized paint being expelled onto the target surface. Cheaper airbrushes and spray guns tend to be of this type.

Dual action or double action airbrushes separate the function for air and paint flow so that the user first activates the air flow and then they can activate and vary the paint flow independently. Most airbrushes tend to be of this type. With the dual action you can do multiple jobs at once. This is the more commonly used system among airbrush artist, allowing more control.

Feed system

Paint can be fed by gravity from a paint reservoir sitting atop the airbrush (called gravity feed) or siphoned from a reservoir mounted below (bottom feed) or on the side (side feed).

Technique

Airbrush technique is the freehand manipulation of the airbrush, medium, air pressure and distance from the surface being sprayed in order to produce a certain predictable result on a consistent basis with or without shields or stencils. Airbrush technique will differ with the type of airbrush being used (single action or dual/double action).

Double action airbrush technique involves depressing the trigger on the top of the airbrush with the index finger to release air only, and drawing it back gradually to the paint release threshold. The most important procedural dynamic is to always begin with air only and end with air only. By observing this rule, precise control of paint volume and line width and character can be achieved. The single most important airbrush stroke consistently utilized by professionals is the dagger stroke. This describes a stroke which begins wide and ends as a narrow line, created by starting with the brush far from the support and moving it evenly closer as the line is drawn.

Single action airbrush technique derives its name from the fact that only 1 action is required for operation. The single action of depressing the trigger releases a fixed ratio of paint to air. Achieving different line widths requires either changing the tip and nozzle combination or else adjusting the spray volume manually between spray width changes. The most important aspect of proper single action airbrush technique is to keep the hand moving before the trigger is depressed and after the trigger is released. This avoids the "bar bell" line.

There are six Companies in The Eurospray Group. Unlike our Competitors, we are a Nationwide, Specialist, Finishing House We supply and repair all of the leading Manufacturers’ equipment but are also able to offer the benefit of exclusive UK and Ireland supply of innovative technology unavailable from anybody else. This places our customers ahead of their competitors in environmental compliance and efficiency, with the obvious advantage of cost savings. Our products range from unique pre-treatment technology and chemicals, through exclusive market- leading spray equipment, turnkey plant installations, infra-red and conventional ovens and waste-water treatment, through to specialist adhesive applications and problem-solving in all areas of our expertise.

Eurospray has been trading for over 30 years servicing the needs of customers of all sizes, including high-tech, robotic automotive systems. We apply this expertise to the requirements of all of our customers and have Service Engineers at all locations.

Although the staffs of each Company are integrated within the Group, and report to the Group Directors, they each have local management that is autonomous to a degree. This enables them to respond to local conditions while guaranteeing a consistent nationwide service, and they can call upon the wide expertise across the group. All of our Area Sales Managers and operational Directors are time-served Engineers with years of experience in the Finishing Industry.

Our size gives us a purchasing power that is used to benefit our customers, and similarly, our independence allows us to quote combinations of equipment from different manufacturers to give “The Right Solution”.

To complete the picture, we have Strategic Alliances with Oscott Air and Woodside Pneumatics, Compressor Houses which, again, give us nationwide coverage for complementary equipment.

Our philosophy is simple - "To provide a full range of services to the Finishing Industry and a totally seamless, integrated approach to customer service from initial order to supply or final installation."

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