Band saw cutting apparatus and ingot cutting method
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United States of America Patent
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Oct 16, 2012
Grant Date -
Jun 2, 2011
app pub date -
Aug 12, 2009
filing date -
Sep 19, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention is a band saw cutting apparatus including: a cutting table on which an ingot is horizontally placed; an endless-belt blade provided in a tensioned state between pulleys, the blade having a blade-abrasive-grain portion and a blade base; and a coolant spraying opening for spraying a coolant on the blade, the band saw cutting apparatus cutting the ingot by relatively feeding the blade from above to below, the blade being driven to rotate by rotating the pulleys, wherein the pulleys is configured to be rotatable about an axis thereof in both directions, and a direction of driving to rotate the blade can be changed to cut the ingot. As a result, there is provided a band saw cutting apparatus and an ingot cutting method that can stably secure the quality of the ingot to be cut, increase the lifetime of the blade, and improve the productivity.
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