Centrifuges are used to remove liquid from products to make concentrates. To make production equipment more portable, the manufacturer designed a system using a conical conveyor with a machined spiral pattern. Attempts to use sand castings were not effective because the spinning centrifuge sand cast parts were impossible to balance. As an alternative, MetalTek supplied centrifugal castings as prototypes. Those parts worked in the spinning environment because the material in a centrifugal casting is more homogeneous, balanced and evenly distributed. In addition, MetalTek engineers devised a process to cast the required spiral pattern directly into the casting of the conical conveyer, thus reducing machining and imbalance in this sensitive processing application.
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