Abrading – Precision device or process - or with condition responsive... – Controlling temperature
Reexamination Certificate
2007-08-16
2009-08-04
Morgan, Eileen P. (Department: 3723)
Abrading
Precision device or process - or with condition responsive...
Controlling temperature
C451S053000, C451S054000, C451S449000
Reexamination Certificate
active
07568968
ABSTRACT:
A method of determining a position of a coolant nozzle relative to a rotating grinding wheel removing material from a work-piece and an apparatus for practicing the method are disclosed. The method includes the step of disposing a coolant nozzle having a base and a distal end for adjustable movement relative to the grinding wheel and the work-piece. The distal end of the coolant nozzle can be moved in a first plane normal to an axis of the grinding wheel along a first arcuate path centered on a pivot axis at the base. The distal end can also be moved by moving the pivot axis in the first plane along an orbit centered on the grinding wheel axis. The method also includes the step of selecting a position of the distal end along the first arcuate path. The method also includes the step of projecting a second arcuate path in the first plane centered on the grinding wheel axis and having a radius extending to the position of the distal end along the first arcuate path. The method also includes the step of generating a third arcuate path in the first plane corresponding to a location of the work-piece that would be contacted first by the distal end during movement along the second arcuate path. The method also includes the step of limiting movement of the distal end along the second arcuate path by an intersection between the second arcuate path and the third arcuate path.
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MacMillan Sobanski & Todd LLC
Morgan Eileen P.
Rolls-Royce Corporation
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