Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1986-11-07
1988-05-10
Whitehead, Harold D.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51142, B24B 2104
Patent
active
047426500
ABSTRACT:
A sanding machine for sanding the surfaces of work pieces placed upon a conveyor operable to transport the work pieces along a first direction is disclosed wherein each of two sanding heads is oscillated at two different frequencies relative to the work pieces on the conveyor. The first oscillating frequency orbits the sanding heads in a circular motion over the work pieces on the conveyor, while the second oscillating frequency, which is greater than the first frequency, results in a vibration of the individual sanding elements engaging the work pieces. Each sanding head includes a plurality of sander elements transversely spaced above the conveyor, the sander elements of the first sanding head being staggered with respect to the sander elements of the second sanding head. The orbiting sub-frames mounting the respective sets of sander elements are driven by crank mechanisms cantilevered by one end thereof being affixed to the main frame, while the opposing end is engageable with a movable support hingedly connected to the main frame to facilitate a removal of the sanding belts forming a part of each sander element.
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Hahn Norman L.
Sauder, Jr. H. Richard
Conestoga Wood Specialities, Inc.
Miller Larry W.
Whitehead Harold D.
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