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Inventor:
Stadtfeld; Hermann J.
Address:
Rochester, NY
No. of patents:
18
Patents:












Patent Number Title Of Patent Date Issued
7364391 Manufacturing straight bevel gears April 29, 2008
A method and tool arrangement for producing straight bevel gears and the like on a multi-axis computer controlled machine wherein a single tool is utilized in the machining process.
6390893 Method of machining gears May 21, 2002
A method of machining at least one tooth flank of a gear with a finishing tool. The method comprises rotating the finishing tool, such as a grinding tool, and bringing the tool and the tooth flank into contact. Relative movement between the tool and the gear is provided to traverse the t
6311590 Cutting tool for producing gears by face hobbing November 6, 2001
Cutting blade and system that allows all the freedoms of the three-side-ground cutting blade while using a two-side-ground cutting blade. A new cutting edge can be defined on the two-side-ground cutting blade that will duplicate the tooth surface cut by the three-side-ground cutting
6217421 Method of lapping gears April 17, 2001
A machine (20) for lapping or testing gears comprising a single machine column (22) having a first side (24) oriented perpendicular to a second side (26) with the first side having a first workpiece spindle (28) rotatable about a first axis and the second side having a second workpiece
6217409 Threaded grinding wheel and method of dressing April 17, 2001
A method of dressing a threaded grinding wheel such that twisting of workpiece tooth flanks does not occur during grinding. The grinding wheel is preferably dressed with a circular arc hollow-crowned generating front with the generating front being described by a radius, R.sub.b, and
6120355 Method and apparatus for lapping gears September 19, 2000
A machine for lapping or testing gears comprising a single machine column having a first side oriented perpendicular to a second side with the first side having a first workpiece spindle rotatable about a first axis and the second spindle having a second workpiece spindle rotatable about
6120217 Cutting tool for producing toothed articles September 19, 2000
A cutting tool comprising a cutter body member having a generally circular shape, a front surface, a back surface and an axis of rotation, the cutter body member includes an outer portion comprising a plurality of individual projections arranged spaced from one another about the cutter b
6004078 Cutting tool for toothed articles December 21, 1999
A cutter head including a cutter body portion having a first outer surface and a second outer surface located inward of the first outer surface. Both first and second outer surfaces are interrupted by a plurality of blade receiving slots which extend inward into the cutter body portion.
5951219 Chip removal apparatus for machine tool September 14, 1999
An apparatus for directing chips emanating from a workpiece being machined by a tool toward an outlet spaced from the workpiece. The apparatus comprises an enclosure surrounding the workpiece and tool for confining chips emanating from the workpiece to the enclosure for removal via an
5944587 Cutting edge rounding method August 31, 1999
A method of treating a cutting edge of a tool to reduce deterioration of the cutting edge during a subsequent machining operation. A brush having a plurality of bristles is rotated about an axis of rotation and positioned relative to the cutting edge whereby the brush axis is oriented
5901454 Method of meshing gears May 11, 1999
A method of bringing a gear member and a pinion member into mesh with one another without causing damage to either or both members. Each of the members of the gear pair has an axis of rotation and a plurality of teeth with respective topland surfaces with at least one of the members havi
5895180 Method of determining cutting blade positional errors in face hobbing cutters April 20, 1999
A method for determining front-face indexing errors of like cutting blades mounted in a face hobbing cutter head. The cutter head is rotatable about a cutter axis and the like cutting blades (e.g. inside cutting blades or outside cutting blades) each having a cutting edge and are arrange
5890846 Cutting tool for toothed articles April 6, 1999
A cutter head including a cutter body portion having a first outer surface and a second outer surface located inward of the first outer surface. Both first and second outer surfaces are interrupted by a plurality of blade receiving slots which extend inward into the cutter body portion.
5839943 Method of and apparatus for truing cutter heads November 24, 1998
A method of truing cutting tools of the type comprising a plurality of stick-type cutting blades releasably secured in a cutter head, the cutting blades having a cutting edge and a cutting side relief surface oriented at a predetermined relief angle. The method comprises mounting a cutti
5800103 Method of machining during indexing September 1, 1998
A method of machining one or more tooth slots in a bevel gear-shaped workpiece with a cup-shaped tool having one or more stock removing surfaces. The method comprises indexing the workpiece by rotation about a workpiece axis to bring one of the tooth slots to a final machining positi
5716174 Tool feeding method February 10, 1998
A method of feeding a tool to a predetermined depth in a workpiece in a machining process for producing at least one tooth surface on the workpiece. The workpiece being rotatable about a work axis and the tool being rotatable about a tool axis and includes at least one stock removing
5610994 Digital imaging of tooth contact pattern March 11, 1997
A method of determining a contact pattern representative of the contact patterns on successive gear teeth. The method comprises providing a first digital image comprising actual drive side or coast side tooth surfaces comprising contact patterns of a plurality of successive gear teeth, a
5580298 Method of producing tooth flank surface modifications December 3, 1996
A method of producing flank surface modifications in gear teeth by controlled removal of stock material from a work gear with a tool. The method comprises providing a gear producing machine the tool and work gear being movable with respect to one another along and/or about a plurality










 
 
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