Greensand mixer
The VR rotating pan batch mixer is enjoying great success among the most modern foundries, both as first supply equipment and as replacement of other systems.
Into the pan, the sidewall scraper continuously conveys the material from the periphery to the centre, eliminating dead spaces and keeping perfectly clean the sidewall of the pan. Bottom scrapers, clean the pan bottom (fixed on the turbines and/or the blades).
By filling the mixer, the dry mixing cycle starts, generally short, used for the clots disintegration, then, after a fixed time given by the main switchboard, there is the additions introduction and then, trough spray nozzles, the water introduction. Now the wet mixing cycle can start.
At the end of such operation, the discharge door, placed in the centre of the pan, opens and the material falls down into the hopper installed under the mixer. After about few seconds, is operated also the discharge blade, which allows a total and more rapid conveyance of residual of material toward the discharge door
Into the pan, the sidewall scraper continuously conveys the material from the periphery to the centre, eliminating dead spaces and keeping perfectly clean the sidewall of the pan. Bottom scrapers, clean the pan bottom (fixed on the turbines and/or the blades).
By filling the mixer, the dry mixing cycle starts, generally short, used for the clots disintegration, then, after a fixed time given by the main switchboard, there is the additions introduction and then, trough spray nozzles, the water introduction. Now the wet mixing cycle can start.
At the end of such operation, the discharge door, placed in the centre of the pan, opens and the material falls down into the hopper installed under the mixer. After about few seconds, is operated also the discharge blade, which allows a total and more rapid conveyance of residual of material toward the discharge door
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