Cutting – Cutting motion of tool has component in direction of moving... – Orbital motion of cutting blade
Patent
1989-01-23
1991-04-02
Yost, Frank T.
Cutting
Cutting motion of tool has component in direction of moving...
Orbital motion of cutting blade
83913, D01G 104
Patent
active
050038559
ABSTRACT:
A chopper having a feed mechanism for strands of continuous materials such as glass filaments includes an outer rotatable ring which receives and supports a plurality of radially oriented blades and an inner rotatable feed and pressure wheel disposed eccentrically within the outer ring. The ring and wheel are driven synchronously by a common drive unit such that the tangential speeds of the blade faces and pressure wheel are equal. The pressure wheel is positioned adjacent but not coincident to the circle defined by the inner faces of the blades. Continuous strands of material are provided to the chopper and a two position roller feeds the material to the feed and pressure wheel when its linear speed matches the tangential speed of the blades and wheel. The wheel directs the strands to the faces of the blades upon which the strands build up. As the thickness of the strands on the face of the blades increase, the wheel forces the strands further into the blades thereby cutting them. Centrifugal force moves the cut fibers to the periphery of the ring where they are collected.
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Jones Eugenia A.
Yost Frank T.
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