USARotor blade structure for vertical shaft
A rotor blade structure for a vertical shaft impact crusher which enables the lifetime of blades to increase and facilitates maintenance. In the early stage of wear it takes place by collision between a blade body (2) of each blade (1) particularly teeth (4) provided thereon and raw stone. Accordingly in this stage rods (9) buried in the blade body (2) do not collide with raw stone.
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