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US 6,942,438 B1Granted
Keyway cutter tool and method
OwnerScott L. Deguiseinventor
Life of this patent
Estimating the term…
Abstract
An apparatus and method for forming a keyway in a workpiece is provided. The apparatus includes a shank and cutter, the shank and cutter immovably associated with respect to each other during the keyway forming operation. The apparatus is engageable with a computer numeric controlled machine. The method of forming a keyway in a workpiece includes a reciprocating, chiseling motion for removing layers of material from the workpiece.
Claims18
An apparatus for forming a keyway in a fixed workpiece comprising:
- a shank having a longitudinal axis and engaged with a computer numeric controlled machine that moves the shank along a first path in a first direction with respect to the workpiece during a keyway forming process, the shank having a first deflection face transverse to the longitudinal axis that deflects a chip of material formed in the keyway forming process when the shank is moved in the first direction;
- and
- a cutter immovably associated with the shank, the cutter having at least one cutting edge that is directed through the workpiece to form the chip of material at least partially disassociated with the workpiece and to define the keyway when the shank is moved along the first path, the cutter having a second deflection face extending in the same general direction as the first deflection face and that deflects the chip of material formed in the keyway forming process.
An apparatus for forming a keyway in a fixed workpiece comprising:
- a shank having a longitudinal axis and engaged with a computer numeric controlled machine that moves the shank along a first path in a first direction with respect to the workpiece during a keyway forming process, the shank having a first deflection face transverse to the longitudinal axis that deflects a chip of material formed in the keyway forming process when the shank is moved in the first direction;
- and
- a cutter immovably associated with the shank, the cutter having at least one cutting edge that is directed through the workpiece to form the chip of material at least partially disassociated with the workpiece and define the keyway when the shank is moved along the first path with the computer numeric controlled machine, the cutter having a second deflection face extending in the same general direction as the first deflection face and that deflects the chip of material formed in the keyway forming process.
A method for forming a keyway in a fixed workpiece comprising:
- moving a shank having a longitudinal axis and engaged with a computer numeric controlled machine with moving means along a first path in a first direction with respect to the workpiece during a keyway forming process, the shank having a first deflection face transverse to the longitudinal axis that deflects a chip of material formed in the keyway forming process when the shank is moved in the first direction;
- and
- directing a cutter having at least one cutting edge through the workpiece so that the at least one cutting edge forms the chip of material at least partially disassociated with the workpiece and defines the keyway when the shank is moved along the first path, the cutter immovably associated with the shank during the keyway forming process and directed by the moving means, the cutter having a second deflection face extending in the same general direction as the first deflection face and that deflects the chip of material formed in the keyway forming process.
A method for forming a keyway in a workpiece comprising the steps of:
- moving a shank engageable with a computer numeric controlled machine having a moving means alone a first path in a first direction with respect to the workpiece, the shank having a first deflection face operable to deflect a chip of material formed in the keyway forming process;
- and
- directing a cutter having at least one cutting edge through the workpiece in a chiseling step so that the at least one cutting edge forms the chip of material at least partially disassociated with the workpiece and defines the keyway when the shank is moved along the first path, the cutter immovably associated with the shank and directed by the moving means, the cutter having a second deflection face for deflecting the chip of material formed in the keyway forming process;
- reversing movement of the shank relative to the first direction a predetermined distance away from a point of connection between the chip and the workpiece with the moving means;
- moving the shank along a second path in a second direction extending generally transverse to the first direction with respect to the workpiece to dislodge the chip formed during the chiseling step with the moving means;
- and
- returning the shank to a starting plane including the first direction of the movement after moving the shank in the second direction with the moving means.
4 more elements
Dependencies are inferred from the claim text.