Curved surface cutting processing method
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United States of America Patent
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May 30, 2006
Grant Date -
Dec 18, 2003
app pub date -
Mar 24, 2003
filing date -
Mar 25, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A curved surface cutting method in which a surface of a material is cut by a bite to form a specified curved surface, a cutting edge of the bite is provided with a flat section and corner sections at both ends of the flat section; the posture of the cutting edge of the bite is adjusted such that a ridge line along the flat section of the cutting edge of the bite is in parallel with a tangent drawn at the curved surface; and the surface of the material is cut with the cutting edge of the bite retained in the posture while feeding the cutting edge in a predetermined feeding direction, thereby forming a first band-like cut surface having a width corresponding to the width of the cutting edge of the bite. Each time the band-like cut surface is completed, the cutting edge of the bite is separated from the surface of the material, the cutting edge of the bite is moved in a direction perpendicular to the predetermined feeding direction by a distance shorter than the width of the cutting edge of the bite, and another band-like cut surface is formed at a position adjacent to the first band-like cut surface.
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