There are a number of factors to consider when adding a blast room or abrasive blasting system to your powder coating or painting operation. No matter what type of dry blasting system you’re considering, this guide is designed to help answer your questions and plan in your success.

Note: Though uncommon, wet blasting systems, also known as slurry blasting systems, are generally used. This article focuses on dry blasting systems, particularly those designed for guide blasting by one or more operators inside a walk-in dimension metal enclosure.

Part 1: The Blasting Enclosure

Earlier than deciding on a blast room, it’s finest to familiarize yourself with a few of the features frequent across most manufacturers. Nearly all blast rooms characteristic a sq. roof design instead of hip-style roofs. The square roof development allows for more operator movement, easier load-in and load-out, and has higher lighting. Light gauge hip roof models – which are sometimes the most cost effective on the market – may not provide the durability and usability you might be looking for.

Wall and roof panels are normally available in thicknesses that range from 18 to 10 gauge or thicker. As a general rule, the heavier the wall thickness, the higher the cost. Everybody needs a heavy duty blast room, however heavier construction usually affords no real benefit because high-wear areas are typically covered by rubberized shielding.

Blast rooms are commonly outfitted with a moderate number of multi-tube fluorescent light fixtures and have safety glass so as to meet code.

Upgrades To The Blasting Enclosure

While there isn’t a lot to upgrade when it comes to the cabin of typical blast rooms, the door design is one space of the cabin’s construction where upgrades are typically worth the cost. The foremostity of professional-grade blast rooms embrace typical swinging doors with louvered openings. Premium models might characteristic perforated doors with adjustable splash shields to keep spent media inside the blast room while allowing recent air to be drawn into the enclosure. Ruggedized cloth or rubber roll up doors may be requested at an additional cost. They help reduce the amount of shop house required.

A typical blast room ships with one full-width, full-height door set, and should have one or more separate personnel doors. Some producers offer a curtain wall or curtain door option to reduce price, however these configurations usually are not fashionable with most shop owners because they don’t provide as a lot containment as other designs.

Get The Right Size

Make positive the blast room is the precise size. Many of the considerations we outlined in our powder coating oven size guide will probably be applicable right here, but make certain you give your components and your operator loads of room. For example, if the elements you need to blast are very tall, consider adding some additional height to the cabin so that you won’t constantly be blasting into your light fixtures or the unprotected ceiling surface. Also, if the half you want to blast takes up the foremostity of the cabin, give your operator additional width and length to safely work across the part without standing in a stream of blasting media bouncing back towards him.

Half 2: Blast Pot

The blast pot (also referred to as a blasting pot, pressure pot, pressure vessel, media blaster or portable blaster) is the equipment that does the actual blasting. There are a number of blast pots on the market, but all of them work essentially the same way. A blast pot is a pressurized container with a hose and spray nozzle attached. Abrasive media is loaded into the blast pot and sealed air-tight. As soon as sealed, the media is pressurized using compressed air. A valve on the end of the hose is controlled by the operator. When the valve is opened, compressed air forces the media to journey down the hose and spray out the nozzle.

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