Method for producing holes in fibre reinforced composites
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United States of America Patent
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Jun 24, 1997
Grant Date -
N/A
app pub date -
Jun 23, 1995
filing date -
Nov 19, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method for producing a hole in a workpiece consisting of a fibre-reinforced composite material. The central axis of the hole passes through a predetermined point on the surface of the workpiece and is oriented in a certain determined direction in relation to the longitudinal directions of the fibres in the immediate vicinity of the point. The material is machined simultaneously in both an axial and a radial sense by causing the tool to describe an axial motion and to rotate not only about its own axis (5), but also eccentrically about the central axis.
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