Friction stir processing tip, apparatus, and method
AssigneeMazak Corporation
InventorsDavid Rosal, Scott Packer, Rodney Dale Fleck, Russell J. Steel
Life of this patent
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Abstract
In one aspect of the present disclosure, a friction stir processing tip is provided for a friction stir processing device. The friction stir processing tip includes a body having a central longitudinal axis, a friction stir processing portion of the body, and a connecting portion of the body configured to connect to a tip holder of the friction stir processing device. The connecting portion includes splines configured to receive a torque from the tip holder for rotating the body about the central longitudinal axis.
Claims40
A friction stir processing tip for a friction stir processing device, the friction stir processing tip comprising:
- a body having a central longitudinal axis;
- a friction stir processing portion of the body;
- a non-threaded connecting portion of the body configured to connect to a tip holder of the friction stir processing device;
- and
- splines of the non-threaded connecting portion configured to receive a torque from the tip holder for rotating the body about the central longitudinal axis;
- wherein the splines are arranged in a contiguous circular pattern about the central longitudinal axis;
- wherein the splines each have a longitudinal torque surface extending at 60 degrees or less relative to a radial direction of the splines.
A friction stir processing tip for a friction stir processing device, the friction stir processing tip comprising:
- a body having a central longitudinal axis;
- a friction stir processing portion of the body;
- a non-threaded connecting portion of the body configured to connect to a tip holder of the friction stir processing device;
- and
- splines of the non-threaded connecting portion configured to receive a torque from the tip holder for rotating the body about the central longitudinal axis;
- wherein the splines each include a pair of opposite concave surfaces and a radially outer surface connecting the concave surfaces and forming axially extending junctures with the concave surfaces.
A friction stir processing tip for a friction stir processing device, the friction stir processing tip comprising:
- a body having a central longitudinal axis;
- a friction stir processing portion of the body;
- a connecting portion of the body configured to connect to a tip holder of the friction stir processing device, the connecting portion including:
- splines configured to receive a torque from the tip holder for rotating the body about the central longitudinal axis;
- and
- a lateral locating surface axially offset from the splines and extending along the central longitudinal axis, the lateral locating surface configured to form a sliding fit connection with the tip holder and keep the central longitudinal axis of the body concentric with an axis of rotation of the tip holder;
- wherein the lateral locating surface includes a distal lateral locating surface intermediate the splines and the friction stir processing portion of the body and a proximal lateral locating surface on an opposite side of the splines from the distal lateral support surface;
- wherein the distal and proximal lateral locating surfaces are annular;
- and
- wherein the distal lateral locating surface has a first outer diameter and the proximal lateral locating surface has a second outer diameter less than the first diameter.
A friction stir processing tip for a friction stir processing device, the friction stir processing tip comprising:
- a body having a central longitudinal axis;
- a friction stir processing portion of the body;
- a connecting portion of the body configured to connect to a tip holder of the friction stir processing device, the connecting portion including:
- splines configured to receive a torque from the tip holder for rotating the body about the central longitudinal axis;
- and
- a lateral locating surface axially offset from the splines and extending along the central longitudinal axis, the lateral locating surface configured to form a sliding fit connection with the tip holder and keep the central longitudinal axis of the body concentric with an axis of rotation of the tip holder;
- wherein the splines are arranged in a contiguous circular pattern about the central longitudinal axis;
- wherein the splines each have a longitudinal torque surface extending at 60 degrees or less relative to a radial direction of the splines.
Dependencies are inferred from the claim text.