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Hermann J Stadtfeld

age ~71

from Webster, NY

Also known as:
  • Hermann Stadtfeld
  • Hermann Dr Stadtfeld
  • Hermann Hedwig Stadtfeld
  • Drherman Stadtfeld
  • Herma Stadtfeld
  • Herman Stadtfeld
  • Stadtfeld Hermann
Phone and address:
910 Maple Dr, Webster, NY 14580

Hermann Stadtfeld Phones & Addresses

  • 910 Maple Dr, Webster, NY 14580
  • 910 Maple St, Rochester, NY 14611
  • 2425 East Ave, Rochester, NY 14610
  • Pomona, CA
  • Bergen, NY

Us Patents

  • Method Of Machining Gears

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  • US Patent:
    6390893, May 21, 2002
  • Filed:
    Nov 22, 1999
  • Appl. No.:
    09/444682
  • Inventors:
    Hermann J. Stadtfeld - Rochester NY
    Uwe Gaiser - Avon NY
  • Assignee:
    The Gleason Works - Rochester NY
  • International Classification:
    B24B 100
  • US Classification:
    451 47, 451 28, 451161, 451219
  • Abstract:
    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 tool across the tooth flank along a path whereby the path produces a tooth flank geometry of a form which, when brought into mesh with a mating tooth flank to form a tooth pair under no load or light load, provides a motion graph curve that intersects, at least two times, a motion graph curve of at least one of an immediately preceding tooth pair and an immediately following tooth pair. The motion graph curve of the tooth pair describes contact between respective tooth flanks of said tooth pair from an initial entrance into mesh to a final exit from mesh as being over a gear rotation amount of greater than 1. 0 pitch and preferably, about 1. 5 pitch to about 3. 0 pitch.
  • Manufacturing Straight Bevel Gears

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  • US Patent:
    7364391, Apr 29, 2008
  • Filed:
    Oct 4, 2006
  • Appl. No.:
    11/543611
  • Inventors:
    Hermann J. Stadtfeld - Rochester NY, US
    Uwe Gaiser - Ostfildern, DE
    Earl D. Ervay - Fairport NY, US
    Theodore J. Krenzer - West Rush NY, US
  • Assignee:
    The Gleason Works - Rochester NY
  • International Classification:
    B23F 17/00
    B23F 5/20
  • US Classification:
    409 2, 409 51, 409 50, 409 55, 700194, 451 47, 451900
  • Abstract:
    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.
  • Method Of Finishing Bevel Gears To Produce A Diffuse Surface Structure

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  • US Patent:
    7462092, Dec 9, 2008
  • Filed:
    Sep 13, 2007
  • Appl. No.:
    11/900752
  • Inventors:
    Hermann J. Stadtfeld - Webster NY, US
    Uwe Gaiser - Ostfildern, DE
  • Assignee:
    The Gleason Works - Rochester NY
  • International Classification:
    B24B 49/00
  • US Classification:
    451 11, 451 47, 451147, 451215, 451219
  • Abstract:
    A method for providing a surface structure wherein conventional grinding micro scratches are broken up to provide a diffuse structure of micro scratches and micro flats resulting from grinding wheel motion comprising an eccentric revolving of the grinding wheel and/or grinding wheel pulsing.
  • Method Of Lapping Gears

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  • US Patent:
    7651383, Jan 26, 2010
  • Filed:
    Oct 12, 2007
  • Appl. No.:
    11/974272
  • Inventors:
    Hermann J. Stadtfeld - Webster NY, US
  • Assignee:
    The Gleason Works - Rochester NY
  • International Classification:
    B24B 49/00
    B24B 51/00
  • US Classification:
    451 5, 409 67, 451 47
  • Abstract:
    The present invention provides a controllable gear lapping process whereby the lapping process may be modified at discrete locations on the tooth surface in order to selectively modify the tooth flank surface.
  • Runout Compensation On Machine Tools

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  • US Patent:
    8561277, Oct 22, 2013
  • Filed:
    Mar 16, 2009
  • Appl. No.:
    12/863595
  • Inventors:
    Hermann J. Stadtfeld - Webster NY, US
    Joseph A. Courtney - Rochester NY, US
    Gary J. Kimmet - Rochester NY, US
  • Assignee:
    The Gleason Works - Rochester NY
  • International Classification:
    B23Q 17/00
    B21D 53/28
    G01B 5/20
  • US Classification:
    2940701, 2940705, 298933, 33201, 33550
  • Abstract:
    A method of determining axial and/or radial runout due to workholding equipment and compensating for such runout during machining of a gear wherein axial and/or radial runout compensations are executed during the machining of each individual tooth slot.
  • Hypoid Gears With Low Shaft Angles

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  • US Patent:
    8573087, Nov 5, 2013
  • Filed:
    Nov 24, 2009
  • Appl. No.:
    13/127650
  • Inventors:
    Hermann J. Stadtfeld - Webster NY, US
  • Assignee:
    The Gleason Works - Rochester NY
  • International Classification:
    F16H 1/12
  • US Classification:
    74416, 74417, 74423, 74457, 744595
  • Abstract:
    A gear pair set comprising low shaft angle and offset bevel gears and a method for their manufacture including determination of the appropriate gear and pinion blanks and the basic machine settings for their manufacture. The pair of bevel gears comprises a first member and a second member wherein the members of the pair have a shaft angle in the range of greater than 0° to 30°, preferably greater than 0° to 20°, and have an offset in the range of greater than zero to the sum of half the mean pitch diameters of the two members of the bevel gear pair.
  • Tool For Improved Chip Flow

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  • US Patent:
    20080279642, Nov 13, 2008
  • Filed:
    May 7, 2008
  • Appl. No.:
    12/151521
  • Inventors:
    Hermann J. Stadtfeld - Webster NY, US
    Alan E. Vossler - Fairport NY, US
  • International Classification:
    B26D 1/12
  • US Classification:
    407 21
  • Abstract:
    A manner of reducing or eliminating chip packing in gear cutting tools, especially in bevel gear cutting tools wherein the back surfaces of at least some cutting blades are modified by the introduction of a rake angled surface and/or a hook angled surface thereby resulting in an opening-up of the gap between successive cutting blades in a direction radially or axially away from the cutting tool. Such an opening-up facilitates the removal of chips from between the cutting blades as the cutting tool rotates during cutting.
  • Manufacturing Bevel Gears

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  • US Patent:
    20110103911, May 5, 2011
  • Filed:
    Jun 23, 2009
  • Appl. No.:
    12/996698
  • Inventors:
    Hermann J. Stadtfeld - Webster NY, US
  • Assignee:
    THE GLEASON WORKS - Rochester NY
  • International Classification:
    B23F 9/10
  • US Classification:
    409 26
  • Abstract:
    A method of manufacturing bevel gears with a tool, such as a tapered milling tool (), wherein the tool is located at a position offset (R) from the center position of a conventional face milling cutter and the tool follows a path, such as a circular arc path, during machining.
Name / Title
Company / Classification
Phones & Addresses
Hermann Stadtfeld
Vice President Bevel Gear Technology
GLEASON CORPORATION
Mfg Machine Tool-Cutting Mfg Measure/Control Dvcs
1000 University Ave, Rochester, NY 14607
1000 University Ave Attn: Secretary, Rochester, NY 14607
PO Box 22970, Rochester, NY 14692
585-473-1000, 585-461-4348
Hermann J. Stadtfeld
Vice-President
THE GLEASON WORKS
Mfg Motor Vehicle Parts Mfg Aircraft Parts/Equip Mfg Speed Changer/Drives · Warehouse
1000 University Ave, Rochester, NY 14607
PO Box 22970, Rochester, NY 14692
585-473-1000, 585-461-8186

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