Deep hole boring head and deep hole boring method for boring a production piece
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United States of America Patent
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-
Aug 11, 2009
Grant Date -
Feb 23, 2006
app pub date -
Aug 15, 2005
filing date -
Aug 17, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A deep hole boring head is provided which is capable of rotating about a central axis, a body whose front part has at least one cutting edge followed by a recess which leads to a duct inside the body, this duct allowing the chips formed during the boring to be cleared away rearwards, and includes at a front end thereof and at a center portion thereof a pilot drill bit capable of guiding the head during boring. Use for the boring of a production piece is made of titanium, the ratio L/D between the depth L of the hole bored and the diameter D of the latter being greater than or equal to 10, and the diameter D being greater than or equal to 65 mm.
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