A Pressure Blasting Cabinet is a chamber of mild steel sheets that provides high-pressure sand/shot or grit blasting. It provides safety to the worker who is blasting the job. It offers an environmentally friendly shot blasting process because it collects all the media by blasting to the Industrial Dust Collector. Pressure Blasting Cabinet or Shot Blasting Cabinet is well known for reusable abrasive media that provide reliability and high performance. The heavy particle of media that is reusable fell down into the hopper through the perforated sheet. We use an air compressor for compressed air and that compressed air creates pressure in the pressure pot.
We generally recommended a 5mm blasting nozzle for shot blasting and the nozzle sizes vary on the sizes of abrasive media. We use various types of abrasives in the Pressure Blasting Cabinet according to the requirements for sand blasting we use river sand and Abrasive Garnet Sand, for shot blasting we use Steel Shots, for granite engraving we use grit abrasives, and so other blasting process uses the abrasive media to follow their needs.
Pressure Blasting Cabinet is based on Direct and High pressure, which is generally utilized for high productivity & for hard metals made from ferrous or nonferrous abrasive materials. It is used for fast cleaning, and for the removal of heavy rust and corrosion. A pressure pot is directly bolted below the cabinet, which has the automatic arrangement of refilling of abrasive media. The suitable rating of Dust Collector is also attached with the appropriate filters for the collection of extra dust and smoke from the cabinet.
Shot or sand blasting in the pressure blasting cabinet is very straightforward and convenient to use. We don't need to be concerned about air pollution or the reusability of abrasive media because it is operated on high pressure for blasting in the cabinet. First, we pick the appropriate abrasive media for the metal part or job to be blasted. The perforated sheet and wire mesh load that media into the hopper. A rubber sheet and flange connect the hopper to a pressure pot. The pressure pot is then filled with abrasive media such as copper slag, aluminum oxide, and cut wire shot. The air compressor must be started in the second step.
When the compressor is turned on, the ball valve that directs compressed air into the air Filter-Regulator (FR) is opened. Compressed air then passes into the solenoid valve, which stops the air connected to the footrest switch. When the footrest switch is depressed, the solenoid valve releases the air, which then passes through NRV and into the mixing tube and pressure pot. The pressure pot then builds pressure after the mushroom valve is lifted up by high-pressure air. The abrasive is then poured into the mixing tube and propelled by high pressure into the sand blasting hose and blasting nozzle. Blasting is started inside the cabinet through the blasting nozzle once all steps have been completed correctly.
In order to ensure that the fine dust enters the dust collector, we also turn on the dust collector as soon as the blasting begins. The cabinet's fine dust is collected by the dust collector's blower, which is attached to an electric motor, and placed in a fabric bag. We include a shaking handle on the outside of the dust collector to shake the fabric bag and ensure that all the dust is collected in the dust tray.
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