Marble Surface Shot Blasting Machine/Shot Blast Machinery for Polishing Stone

Operation

The concrete blocks, slabs or stairs are placed on the intake side of the conveyor belt with handling equipment. When released by the machine operator, the conveyor belt cycles one batch further at a pre-set transport speed, exposing the concrete work pieces in the blasting unit to the abrasive stream.

After blasting, a high-pressure blower with a height-adjustable nozzle blows off any abrasive still remaining on the work piece. The use of handling equipment during the load and unloading process ensures a flexible manufacturing process and high material output.

The entry and exit vestibules are sealed off with wear-resistant rubber curtains. After completing their passage through the blasting unit, the finished work pieces reach the exit area, where they are removed from the conveyor.

The blasting abrasive is continuously cleaned, recirculated and reused. An abrasive metering device feeds the cleaned abrasive from the abrasive storage bunker to the high-performance turbines.

A fan unit creates the partial vacuum necessary to maintain dust-free operation of the blasting unit. Extracted air is cleaned in a special filter unit.

Capabilities and applications

Concrete shot blast machines are used to finish the surface of concrete blocks, concrete slabs, concrete stairs and similar concrete products. Exposure to the abrasive stream brings out the mineral components in the concrete and gives the surface a special appearance.

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