Gear cutting – milling – or planing – Gear cutting – Gear tooth shape generating
Patent
1990-07-16
1991-03-19
Bilinsky, Z. R.
Gear cutting, milling, or planing
Gear cutting
Gear tooth shape generating
51287, 409 30, B23F 910
Patent
active
050006320
ABSTRACT:
For manufacturing a pinion of a pair of mating bevel gears having contact-line tooth bearing or crowning in accordance with the method developed by Litvin et al, the cutter radii of respective outer and inner blade edges in the duplex or double-cut method and therewith the centers of rotation of the cutter heads as well as the center of rotation of a generating gear are altered in relation to the settings for manufacturing the mating or meshing gear. This would require cutter heads provided with adjustable cutter radii. In order to render possible the use of commercially available cutter heads, provision is made for achieving the alternation of the cutter radii by inclination of the cutter-head axes.
REFERENCES:
patent: 4611956 (1986-09-01), Kotthaus
"Generated Spiral Bevel Gears: Optimal Machine-Tool Settings and Tooth Contact Analysis", NASA Technical Memorandum No. 87075, USAAYSCOM Technical Report 85-C-9, 1985 of Faydor L. Litvin et al.
"Anforderungsgerechte Auslegung Bogenverzahnter kegelradgetriebe", 1987, thesis of Hermann J. Stadtfeld, approved by the Faculty for Mechanical Engineering of the Rheinisch-Westfalischen Technical University, Aachen, West Germany.
Bilinsky Z. R.
Werkzeugmaschinen-fabrik Oerlikon-Buhrle AG
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