Work Principle:Rubber Prebreaker Machine makes use of the rotating roller and fixed sword to do the opposite movement so that cut rubber block into small rubber block or as your request. The broken rubber blocks push to mesh to remove sundries and then flow into pool so as to achieve breaking, washing & removing sundries. Function:Rubber Prebreaker Machine is a high efficient machine for crushing rubber block and the most important machine for rubber processing. It crushes all rubber blocks to be small sizes and show out sundries to clean clearly, which is easy to do next work of dehydration processing.