Ultrasonic Vibration Cutting Method and a Fiber Reinforced Plastic Member Manufactured by the Method
AssigneeHamamatsu Foundation for Science and Technology Promotion
InventorHukuzo Yagishita
Life of this patent
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Abstract
An ultrasonic vibration cutting method for drilling a workpiece using a drill applied to the workpiece. Ultrasonic torsional mode vibration in its rotational direction is applied to the drill. The workpiece is a fiber reinforced plastic member including carbon fibers as its reinforcing fibers. The drilling by the drill, with the ultrasonic torsional mode vibration in its rotational direction, provides a drilled surface that is substantially smooth.
Claims8
An ultrasonic vibration cutting method for drilling a workpiece comprising:
- applying a drill to a workpiece;
- apply ultrasonic torsional mode vibration, in its rotational direction to said drill;
- drilling said workpiece which is a fiber reinforced plastic member including carbon fibers as its reinforcing fibers.
A fiber reinforced plastic member including carbon fibers as reinforcing fibers and drilled by a drill, that is applied with ultrasonic torsional mode vibration in its rotational direction, comprising a drilled surface that is substantially smooth.
Dependencies are inferred from the claim text.