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The auger in a ceramic extruder acts to

  • A.apply the glaze evenly to the outer surface
  • B.convey the body forward and build up pressure
  • C.cut the extruded column into measured lengths
  • D.dry the body out before it ever reaches the die

Answer: B

It compacts and advances the plastic mass so that it emerges through the die under considerable pressure. Cutting is done afterwards by a separate wire cutter running across the moving column. Column speed and cutter speed have to be matched exactly.

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