Sand blasting machine is a proven pre-finishing technique that’s been around for over a hundred years. Sand blasting equipment has evolved from uncontained, free-spraying streams of sand creating noxious dust clouds to highly sophisticated contained enclosures with precise abrasive stream control. Sand blasting’s media also changed from sand to more user-friendly materials.
Regardless of the abrasive media, the term “sand blasting” refers to the process of propelling that abrasive media with compressed air. This cleaning and preparation procedure takes compressed air as a power source and directs a high-pressure stream of abrasive media toward the given surface. That surface could be auto parts being cleaned of dirt, grease, and oil. It could be rusty chains in a shipyard being reconditioned. Or the surface could be old filing cabinets being prepped for powder coating.
The term “shot blasting” refers to the process of propellant abrasive media material with centrifugal or mechanical force. Shot Blasting has an entirely different compressed system than sand blasting. This abrasive treatment method used A device that is similar to a spinning wheel to centrifugally accelerate steel shot like material and blast it against a surface.
Shot blasting is a much more rampant abrasive technique than sand blasting. It’s usually used for larger and more difficult preparation objects that need a strong application force and a denser media material to clean and prepare a surface. Shot blasting also requires strict containment as the force of blasted shot could cause collateral damage if the process isn’t confined.
Sand blasting uses high-pressure compressed air to propel blasting media on the project. This reliable technique suits a wide range of surfaces and a selection of treatments including a variety of abrasive media. Sand blasting equipment removes contaminants such as stripping rust, grease and old paint to provide surface adhesion for new coatings. Sand blasting systems include these components:
Air sand blasting room: These are clean rooms that are environmentally controlled with abrasion media recovery for highly-productive and efficient operations.
Air blast tumble equipment: This equipment consists of mill driven tumble blast machines that use oscillating nozzles and cyclone separators inside a rubber-lined chamber.
Portable sand blasting machine: Mobile air blast systems have pressure pots in various sizes for increased productivity in portable configurations.
Sand Blasting cabinet, suction, and pressure: This stationary sand blasting equipment also ranges in size. It uses a siphon feed system and a balancing pressure regulator to ensure equilibrium inside the blast cabinet.
Bulk blasting systems: These are large sand blasting units available in stationary models or truck-mounted for total portability.
Blast and recovery systems: More sophisticated sand blasting equipment have systems that blast and vacuum simultaneously and avoid any open-air contamination.
Cryogenic deflashing systems: Very cold temperatures allow certain surfaces like rubber, diecast, plastic, magnesium, and zinc to be deflated with precision.
Wet blast equipment: Occasionally, sand blasting equipment uses water to eliminate friction heat and prepare surfaces by scrubbing instead of abrasion caused by dry blasting.
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Shot Blasting uses wheel blast equipment to put abrasive media on surfaces being treated for final finishing. This equipment uses a specially designed and closely controlled wheel to generate efferent force and blast abrasives like steel shot and steel grit on products. The process involves “submitting” media at a surface rather than “bearing” it. They are the common equipment used in shot blasting systems:
Tumble shot blasting machine equipment: Tumble blast equipment allow continuous blasting cycles with continual abrasive recycling. These types of machines have built-in rubber belts and steel flight models.
Swing table blast wheels: Direct drive blast wheels turn out for loading and unloading abrasive media.
Table blasters: These are fixed equipment components with direct drive wheels connected inside the shot blasting cabinet.
Spinner hangers: These direct drive blast wheels have turning spindles that allow loading and unloading abrasive media.
Hanger blast equipment: Blast systems can be fitted with trolleys and hung on manual Y-track monorails for specific shot blasting operations.
Cylinder blasters: shot blast equipment specializes in removing rust and old paint from all forms of metal and metal cylinders.
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