Patel Furnace & Forging is a leading manufacturer, distributor, and exporter of Shot Blasting machinery, sand blasting machines, and shot peening equipment.

Airless Shot Blasting Machine | Surface Preparation Equipment | Blast Room Plant
Shot Blasting is a method used to clean, to induce strength (shot peening) or polish metal surface. It is used in almost every industry that uses metal, including aerospace, automotive, construction, foundry, shipbuilding, rail, and many others.

Shot blasting process has become an integral part of steel structure and metal building industry. Shot Blasting provides 2 vital benefits for steel protection. Firstly, it removes all rust, mill scale, and corrosion, thus eliminating moisture which is almost always entrapped beneath these corrosion products. Secondly it provides ideal surface finish (SSPC – 10 | SA 2.5) for securing a continuous and effective bond between the steel surface and coat.

Plate Shot Blasting Machine

Advantage of Shot Blasting
1) Removing Corrosion: Shot blasting can remove all forms of rust and corrosive materials from the metal surface, while leaving the base of the product unaffected. Typical corrosive builds include as mention below:

Rust, Mill Scale, Chemical Stains, Chipped or faded paint, Heat Treatment Scale.

2) Surface Preparation: Shot blasting is the most efficient and the most effective process to prepare a metal surface prior to painting or coating. High blast pattern accuracy. Much better bond between blasted surface & the protective coating. Aids in revealing any surface defects/errors. Increases the lifespan and the endurance of future coatings.

3) The Environment: Shot blasting is one of only a few environment-friendly options for corrosion removal and surface preparation:
  • The process only uses abrasion to clean the metal surface.
  • No chemicals used at all.
  • No acids.
  • Only cleanup is physical pellets.
  • Blasted steel and dust are swept away by powerful. vacuum and dust collection system.
  • The process inherently recycles materials.
There are two technologies used in Shot Blasting: Wheel Blasting (Air Less Shot Blasting) and Air Blasting (Pneumatic Shot Blasting / Air Operated Shot Blasting).

Wheel Blasting (Air Less Shot Blasting)
In Wheel blasting, the abrasive media is propelled on work piece to be blast clean, using directly converting electric motor energy into kinetic energy by rotating a turbine wheel. It is categorized as an airless blasting operation because there is no use of air, liquid or gas to propel the abrasive media. A wheel machine is a high-power, high-efficiency blasting operation with recyclable abrasive (typically steel or stainless steel shot, cut wire, grit, or similarly sized pellets).

Patel Furnance Shot Blasting Machine

Air Blasting (Pneumatic Shot Blasting / Air Operated Shot Blasting)
In Air blast machines, the abrasive media is propelled with the help of compressed air pressure. A blast room is a complete air blast system which includes four main systems. The blasting chamber, the abrasive blasting pot or hopper and the dust collector and abrasive recycling system. The recycling systems ranging from manual sweeping and shoveling the abrasive back into the blast pot to full reclaim floors that convey the abrasive pneumatically or mechanically to a device that cleans the abrasive prior to recycling.

Paver Block Shot Blasting Machine

Paver Block Shot Blasting Machine
This technique is used to make a lightly rough texture surfaces on the cement block, paver block, kerbs stone. It provides dual advantage firstly architectural finish gives outstanding looks as a result of the textured surface and the exposed aggregates. Second 'roughened' surface has very good non-slip properties.

Expensive coloured face mix materials can be exposed in the shot-blasting process. This process provides a 'roughened' surface which then has very good non-slip properties. With blocks it's normally only the top surface that is made rough using shot blasting, as the sides and base are not visible when laid, but with kerbs, the top and roadside face would be shot blasted and made rough.
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