The Working Principle of an Automatic Shot Blasting Machine

The main components of the automatic sandblasting machine include the compressed air system, sand feeding system, nozzle system, control system, and recovery system. Its working principle is as follows:

Compressed Air Systems: Utilizing an air compressor to pressurize air to a certain level, it is then filtered and dried through devices such as filters and desiccants, before being transported through pipes to the sand feeding system and spray gun system.

The Sand Supply System: Stores and separates sand material using devices like cyclone separators or sand storage bins, then transports the sand through sand conveyance pipes to the spray gun system.

The Spray Gun System: Comprising of a spray gun, nozzle, sand feeding tube, etc., it is the core component of an automatic sandblasting machine. When compressed air enters the spray gun, it creates a negative pressure within the nozzle, drawing sand from the feeding tube and then propelling the mixed air-sand mixture at high speed.

Control Systems: Utilize electrical or pneumatic methods to control the start/stop, speed, direction, and time parameters of automatic sandblasting machines, achieving an automated sandblasting process.

Recycling System: Recycles used sand and dust through devices such as vacuum cleaners and cyclone separators, reducing environmental pollution and resource waste.

The Applications of Automatic Sand Blasting Machines

The automatic sandblasting machine can be used for surface treatment on various materials and shapes of workpieces, such as metal, plastic, wood, glass, ceramics, and more. According to different application requirements, automatic sandblasting machines can be categorized into flat conveyor, turntable, track, chain hoist, and belt conveyor types, to accommodate different specifications and quantities of workpieces. The following are some common application fields for automatic sandblasting machines:

The metal industry: Automatic shot blasting machines can be used for rust, oil, and oxide scale removal from metal workpieces, as well as for increasing roughness and altering color, enhancing the adhesion and corrosion resistance of the metal surface.

The plastic industry: Automatic sandblasting machines can be used for deburring, deglossing, and roughening plastic workpieces, enhancing the adhesion and aesthetic appeal of the plastic surface.

The wood industry: Automatic sandblasting machines can be used for cleaning stains, removing paint, and enhancing texture on woodwork, thereby improving the protective and decorative properties of the wood surface.