DE569453C - Method for hardening gear wheels - Google Patents

Method for hardening gear wheels

Info

Publication number
DE569453C
DE569453C DENDAT569453D DE569453DD DE569453C DE 569453 C DE569453 C DE 569453C DE NDAT569453 D DENDAT569453 D DE NDAT569453D DE 569453D D DE569453D D DE 569453DD DE 569453 C DE569453 C DE 569453C
Authority
DE
Germany
Prior art keywords
root circle
protective layer
gear wheels
tip
circle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DENDAT569453D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AEG AG
Original Assignee
AEG AG
Publication date
Application granted granted Critical
Publication of DE569453C publication Critical patent/DE569453C/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/04—Treatment of selected surface areas, e.g. using masks

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

EERUX. GEDRUCKT IN DER REICHSDRUCICEREIEERUX. PRINTED IN THE REICHSDRUCICEREI

Claims (2)

Patentansprüche:Patent claims: 1. Verfahren zum Einsatzhärten von Zahnrädern, dadurch gekennzeichnet, daß die ganzen, dem Kopfkreis angehörenden Zahnflächen sowie die in der Nähe des Kopf- und Fußkreises liegenden Flächenstreifen der Zahnflanken mit einer Schutzschicht abgedeckt werden, worauf in an sich bekannter Weise die Behandlung mit dem Einsatzmittel erfolgt.1. A method for case hardening gears, characterized in that the entire tooth surfaces belonging to the tip circle as well as the surface strips near the tip and root circle the tooth flanks are covered with a protective layer, whereupon the treatment with the in a manner known per se Resources takes place. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die mit der Schutzschicht abgedeckten, in der Nähe des Fußkreises liegenden Flächenstreifen der Zahnflanken sich bis über die ganzen, dem Fußkreis angehörenden Flächen des Zahnrades erstrecken.2. The method according to claim 1, characterized in that with the protective layer covered surface strips of the tooth flanks located near the root circle extend over the entire surfaces of the gear wheel belonging to the root circle. *) Von dem Patentsucher ist als der Erfinder angegeben worden:*) The patent seeker stated as the inventor: Hermann Mecke in Berlin-Zehlendorf.Hermann Mecke in Berlin-Zehlendorf.
DENDAT569453D Method for hardening gear wheels Expired DE569453C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE569453T

Publications (1)

Publication Number Publication Date
DE569453C true DE569453C (en) 1933-02-04

Family

ID=6568350

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT569453D Expired DE569453C (en) Method for hardening gear wheels

Country Status (1)

Country Link
DE (1) DE569453C (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE913542C (en) * 1942-10-25 1954-06-14 Erna Lindner Geb Pfeiffer Method of manufacturing hardened gears
DE1003779B (en) * 1954-07-03 1957-03-07 Zahnradfabrik Friedrichshafen High strength gears and their manufacturing process
EP0371340A1 (en) * 1988-11-16 1990-06-06 Nissan Motor Co., Ltd. High strength gear
WO1998050596A1 (en) * 1997-05-02 1998-11-12 Sikorsky Aircraft Corporation Method for manufacturing precision gears and a masking tool useful in practicing the method
DE102008032656A1 (en) * 2008-07-10 2010-01-14 Bayerische Motoren Werke Aktiengesellschaft Coating method for gearwheels comprises masking troughs between adjacent teeth on wheels so that only sides of teeth are coated
EP2618029A1 (en) 2012-01-18 2013-07-24 Siemens Aktiengesellschaft Coated cogwheel
DE102016201656A1 (en) * 2016-02-03 2017-08-03 Zf Friedrichshafen Ag Gear with a partially surface hardened running gear, manufacturing process and gear transmission with such gear

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE913542C (en) * 1942-10-25 1954-06-14 Erna Lindner Geb Pfeiffer Method of manufacturing hardened gears
DE1003779B (en) * 1954-07-03 1957-03-07 Zahnradfabrik Friedrichshafen High strength gears and their manufacturing process
EP0371340A1 (en) * 1988-11-16 1990-06-06 Nissan Motor Co., Ltd. High strength gear
WO1998050596A1 (en) * 1997-05-02 1998-11-12 Sikorsky Aircraft Corporation Method for manufacturing precision gears and a masking tool useful in practicing the method
DE102008032656A1 (en) * 2008-07-10 2010-01-14 Bayerische Motoren Werke Aktiengesellschaft Coating method for gearwheels comprises masking troughs between adjacent teeth on wheels so that only sides of teeth are coated
EP2618029A1 (en) 2012-01-18 2013-07-24 Siemens Aktiengesellschaft Coated cogwheel
DE102016201656A1 (en) * 2016-02-03 2017-08-03 Zf Friedrichshafen Ag Gear with a partially surface hardened running gear, manufacturing process and gear transmission with such gear

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