GEAR

A gear which reduces the processing cost by preventing strength of the gear from being lowered since the gear does not need machining such as cutting to remove burrs caused by the conventional hobbing is provided. A gear comprises round chamfered portions(111,121,131) formed by forging on respective...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TUJIMOTO HIROSHI, HIGUCHI TETSUYA, O-OKA MITSUSHIGE, KAWASAKI YOSHIKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A gear which reduces the processing cost by preventing strength of the gear from being lowered since the gear does not need machining such as cutting to remove burrs caused by the conventional hobbing is provided. A gear comprises round chamfered portions(111,121,131) formed by forging on respective ridge line portions at respective intersections between tooth root faces(11), tooth flanks(12), and a tooth tip face(13) of a gear(1) formed by forging and end faces(14) in the axial direction of the gear. The gear comprises chamfered portions(123) formed by forging on straight ridge line portions between the tooth flanks and the tooth tip face of the gear. The gear comprises chamfered portions(1231) formed by forging on the ridge line portions at intersections between the chamfered portions(123) formed by forging between the tooth flanks and the tooth tip face of the gear and the end faces in the axial direction of the gear.