Abstract: A quill spindle includes a quill assembly within which a spindle assembly is rotationally mounted. The quill assembly includes a coolant flow path, and the spindle assembly includes a plurality of coolant flow paths. The quill assembly flow path and one of the plurality of spindle assembly flow paths provide cooling to bearings that allow the rotation of the spindle assembly within the quill assembly. Another of the plurality of coolant flow paths within the spindle assembly provides cooling flow to a cutting tool installed on an end of the quill spindle.
Type:
Grant
Filed:
January 19, 2001
Date of Patent:
June 4, 2002
Assignee:
Bayer Machine Tech LLC
Inventors:
Jack L. Bayer, Scott L. Bayer, John D. Philippi