Semitotal recovery

The semitotal recovery system includes 2 logitudinal scrapers - covered by gratings - placed flush with the floor on the inner sides of the cabin.

The recovered abrasive is bring to a third transverse scraper, having the same characteristics as the other two, which transports the abrasive to the elevation, purification, storage and blasting system, located outside the chamber.

The scrapers are characterised by several carriages joined together with anti-vibration mounts, which run on rocker arms with durable nylon double rollers, complete with 2RS bearings (instead of single, dowelled rollers).

Each trolley is then equipped with anti-abrasive rubber combs, which guarantee optimal transport and recovery of all the abrasive used (avoiding unnecessary waste of material on the ground) as the rubber strips slide flush to the floor without the friction, vibration or annoying noise that is usually generated by systems that mount iron scrapers. The iron scrapers, in fact, are usually kept about 1 cm from the abrasive falling surface, thus creating unnecessary waste of material, and therefore increasing costs for the user (in proportion to the cost of the abrasives used), as well as generating annoying vibrations and noise.

In terms of movement, each scraper is driven by a low-consumption gear motor (IE3 motors), which ensures safe and constant operation of the recovery system.

Finally, the scrapers are protected by sturdy cover gratings, to which perforated plates are added at the top, making the gratings themselves more protective for the scrapers (and also increasing their load-bearing capacity).

The purification of all the abrasive recovered from the ground is ensured by a selector with a rotating sieve, and characterised by 4 stages of cleaning and selection of the abrasive to be returned to the blasting cycle.

In stainless steel shot peening plants, the selector is made of stainless steel, the selection is pneumatic and - before storage in the silo - the abrasive passes through a magnetic grid that retains any ferrous impurities.