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US 6,802,677 B2Granted
Tool having honed cutting edge
AssigneeConicity Technologies, LLC
InventorWilliam R. Shaffer
Life of this patent
Estimating the term…
Abstract
The present invention relates to a honing method and apparatus which provides greater control over the edge shape, as well as reductions in the effort required to hone multiple edges on workpieces. The invention accomplishes these improvements by controlling the speed of the abrasive wheel, as well as the orientation and position of the workpiece prior to and/or while it is in contact with the abrasive brush. This provides for greater control over the hone shape, hone size, and hone distribution along all the cutting edges of the tool.
Claims15
A tool having a cutting edge with a hone thereon that varies from a tip end to a root end, the hone being formed in accordance with a process comprising the steps of:
- placing the tool in a fixture;
- rotating an abrasive brush about a rotational axis, the abrasive brush including a plurality of abrasive bristles which define a volume;
- adjusting the position of the cutting edge relative to the axis of rotation of the abrasive brush such that at least a portion of the cutting edge to be honed is substantially parallel to the axis of rotation of the abrasive brush and in a desired position to be honed;
- translating the tool along a path substantially parallel to the axis of rotation of the abrasive brush such that a portion of the cutting edge passes through at least a portion of the volume of the abrasive brush to form a hone on the cutting edge having a first shape;
- adjusting the position of the cutting edge relative to the axis of rotation of the abrasive brush such that another portion of the cutting edge is substantially parallel to the axis of rotation of the abrasive brush and in a desired position to be honed;
- and
- translating the tool along a path substantially parallel to the axis of rotation of the abrasive brush such that said other portion of the cutting edge passes through at least a portion of the volume of the abrasive brush to form a hone on the cutting edge having a second shape different from the first shape.
4 more elements
A tool having a cutting edge with a hone thereon that varies from a tip end to a root end, the hone being formed in accordance with a process comprising the steps of:
- positioning the cutting edge relative to an abrasive brush rotating about an axis of rotation, the abrasive brush having a plurality of abrasive bristles;
- translating the tool along a path substantially parallel to the axis of rotation of the abrasive brush such that a portion of the cutting edge passes through at least a portion of the abrasive bristles to form a hone on the cutting edge having a first shape;
- and
- repositioning the cutting edge while translating the tool through the abrasive bristles such that a second portion of the cutting edge is substantially parallel to the axis of rotation of the abrasive brush, the repositioning causing a hone having a shape different from the first shape to be formed on the second portion of the cutting edge being honed.
1 more element
A high precision cutting tool comprising
- a plurality of cutting edges formed on a portion of the tool, each cutting edge having a controlled hone formed on it;
- the magnitude of the hone on one edge being different than the magnitude of the hone on at least one other edge, the hone being formed in accordance with a process comprising the steps of:
- placing the tool in a fixture;
- rotating an abrasive brush about a rotational axis, the abrasive brush including a plurality of abrasive bristles which define a volume;
- adjusting the position of the cutting tool relative to the axis of rotation of the abrasive brush such that at least a portion of a first cutting edge to be honed is substantially parallel to the axis of rotation of the abrasive brush and in a desired position to be honed;
- translating the tool along a path substantially parallel to the axis of rotation of the abrasive brush such that a portion of the first cutting edge passes through at least a portion of the volume of the abrasive brush to form a hone on the first cutting edge having a first shape;
- adjusting the position of the cutting tool relative to the axis of rotation of the abrasive brush such that a second cutting edge is substantially parallel to the axis of rotation of the abrasive brush and in a desired position to be honed;
- and
- translating the tool along a path substantially parallel to the axis of rotation of the abrasive brush such that the second cutting edge passes through at least a portion of the volume of the abrasive brush to form a hone on the second cutting edge having a second shape different from the first shape.
6 more elements
A tool having a cutting edge with a hone thereon that varies from a tip end to a root end, the hone being formed in accordance with a process comprising the steps of:
- placing the tool in a fixture;
- rotating an abrasive brush about a rotational axis, the abrasive brush including a plurality of abrasive bristles which define a volume;
- adjusting the position of the cutting edge relative to the axis of rotation of the abrasive brush such that at least a portion of the cutting edge to be honed is substantially parallel to the axis of rotation of the abrasive brush and in a desired position to be honed;
- translating the tool along a path substantially parallel to the axis of rotation of the abrasive brush such that a first portion of the cutting edge passes through at least a portion of the volume of the abrasive brush to form a hone on the first portion of the cutting edge, the hone on the first portion defining a dimension;
- adjusting the position of the cutting edge relative to the axis of rotation of the abrasive brush such that a second portion of the cutting edge is substantially parallel to the axis of rotation of the abrasive brush and in a desired position to be honed;
- and
- translating the tool along a path substantially parallel to the axis of rotation of the abrasive brush such that the second portion of the cutting edge passes through at least a portion of the volume of the abrasive brush to form a hone on the second portion of the cutting edge, the hone on the second portion defining a dimension corresponding to the dimension defined by the first portion that is different from the first portion dimension.
4 more elements
A tool having a cutting edge with a hone thereon that varies from a tip end to a root end, the hone being formed in accordance with a process comprising the steps of:
- positioning the cutting edge relative to an abrasive brush rotating about an axis of rotation, the abrasive brush having a plurality of abrasive bristles;
- translating the tool along a path substantially parallel to the axis of rotation of the abrasive brush such that a first portion of the cutting edge passes through at least a portion of the abrasive bristles to form a hone on the cutting edge defining a dimension;
- and
- repositioning the cutting edge while translating the tool through the abrasive bristles such that a second portion of the cutting edge is substantially parallel to the axis of rotation of the abrasive brush, the repositioning causing a hone to be formed on the second portion of the cutting edge, the hone on the second portion defining a dimension corresponding to the dimension defined by the first portion that is different from the first portion dimension.
1 more element
A high precision cutting tool comprising
- a plurality of cutting edges formed on a portion of the tool, each cutting edge having a controlled hone formed on it defining a dimension;
- the dimension defined by the hone on one edge being different than a corresponding dimension defined by at least one other edge, the hones being formed in accordance with a process comprising the steps of:
- placing the tool in a fixture;
- rotating an abrasive brush about a rotational axis, the abrasive brush including a plurality of abrasive bristles which define a volume;
- adjusting the position of the cutting tool relative to the axis of rotation of the abrasive brush such that at least a portion of a first cutting edge to be honed is substantially parallel to the axis of rotation of the abrasive brush and in a desired position to be honed;
- translating the tool along a path substantially parallel to the axis of rotation of the abrasive brush such that a portion of the first cutting edge passes through at least a portion of the volume of the abrasive brush to form a hone on the first cutting edge;
- adjusting the position of the cutting tool relative to the axis of rotation of the abrasive brush such that a second cutting edge is substantially parallel to the axis of rotation of the abrasive brush and in a desired position to be honed;
- and
- translating the tool along a path substantially parallel to the axis of rotation of the abrasive brush such that the second cutting edge passes through at least a portion of the volume of the abrasive brush to form a hone on the second cutting edge.
6 more elements
Dependencies are inferred from the claim text.