Method for machining a workpiece

Patent metadata

Field	Value
Publication number	US-9358627-B2
Application number	US-201313800710-A
Country	US
Kind code	B2
Filing date	Mar 13, 2013
Priority date	Mar 14, 2012
Publication date	Jun 7, 2016
Grant date	Jun 7, 2016

Abstract

In a method for machining a workpiece, an end face gearing is created on the end face of the workpiece by hob peeling. The workpiece is rotated about the Z axis in relation to a coordinate system with X, Y and Z axes arranged perpendicularly to one another. During creation of the end face gearing, the feed direction of the hob peeling tool encloses with the axis of rotation of the hob peeling tool an angle which is greater than 0° and less than 35°. The hob peeling tool is arranged in the X-Z plane at an angle to the X axis which is greater than 0° and less than 20°.

First claim

What is claimed is:

1. A method for machining a workpiece, comprising:
rotating a workpiece about a Z axis of a coordinate system with X, Y and Z axes arranged perpendicularly to one another;
arranging a hob peeling tool in an X-Z plane at an angle to the X axis which is greater than 0° and less than 20°;
positioning a milling spindle, which accommodated the hob peeling tool such that the axis of rotation of the hob peeling tool is positioned in the Y direction offset by a distance to the X axis; and
feeding the hob peeling tool in a radial direction of the workpiece to provide an end face of the workpiece with an end face gearing by hob peeling, with the feeding direction of the hob peeling tool enclosing with an axis of rotation of the hob peeling tool an angle which is greater than 0° and less than 35°.

2. The method of claim 1 , wherein the angle between the feeding direction and the axis of rotation ranges between 15° and 25°.

3. The method of claim 1 , wherein the end face of the workpiece is configured as annular and flat.

4. The method of claim 1 , wherein the hob peeling tool has a plurality of longitudinal cutting edges arranged about a circumference of the hob peeling tool.

5. The method of claim 4 , wherein the cutting edges of the hob peeling tool are spaced apart from one another in a circumferential direction at distances which correspond to a whole-number multiple of a cutting edge width.

6. The method of claim 1 , further comprising maintaining the workpiece in a clamped position in the hob peeling tool, and subjecting the workpiece to a further machining step by the hob peeling tool in addition to a formation of the end face gearing.

7. The method of claim 6 , wherein the additional machining step includes at least one of turning, milling, and drilling.

8. The method of claim 1 , wherein the hob peeling tool is part of a turning/milling center.

9. The method of claim 1 , wherein the hob peeling tool moves in a radial direction in relation to the workpiece.

Assignees

• Siemens Ag

Inventors

• Schaffeld Richard

Classifications

• B23F15/06 Primary

  Making gear teeth on the front surface of wheels, e.g. for clutches or couplings with toothed faces · CPC title

• Y10T409/101749

  Process · CPC title

• B23F5/163

  the tool and workpiece being in crossed axis arrangement, e.g. skiving, i.e. "Waelzschaelen" · CPC title