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Foundry sand mixer
Well prepared sand results only if sand, water, bentonite, and other additives are optimally mixed together. Every grain of sand must be surrounded by bentonite.The advantages of the Webac Sandmixer are:
effective dosing of additives
optimum dosing of water via the wear bottom
addition of the additives (bentonite, coal dust, new sand etc.) by injection of binders into the sand bed
gentle handling of the sand grains through a kneading action
By applying a rubber coating as a lining for the mixer, and through the kneading action of the mixing wheels which are also rubber-coated, an optimum coating of the sand grains with bentonite is achieved. This type of preparation is extremely protective. The plows fixed to the cross-head ensure that the sand is mixed efficiently.