Cutting method
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United States of America Patent
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Jan 29, 2013
Grant Date -
Jan 1, 2009
app pub date -
Jun 13, 2008
filing date -
Jun 29, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cutting method capable of efficiently removing cutting chips around a cutting point with a little electric power, and cutting a work with high accuracy with a ball end mill. The ball end mill has a slit shaped-opening part at a portion adjacent to a rake face of a cutting edge in internal communication with a suction passage, and a work in which a cutting liquid is previously coated on an inclined face of the work is cut while the cutting liquid is sucked in the area around the cutting edge from the opening part through the suction passage. As a result of this, the cutting liquid in the area around the cutting edge is sucked from the opening part and a cutting power decreasing rate is higher than in a case where the suction is not carried out.
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