Face gear hobbing cutter design method based on repeatable cutter grinding

Abstract

The invention relates to a face gear hobbing cutter design method based on repeatable cutter grinding, which is characterized by comprising the following steps of: (1) selecting basic parameters of a face gear and an involute straight gear meshed with the face gear; (2) according to the point contact face gear transmission gear, confirming the number of teeth of a slotting cutter of the face gear; (3) analyzing and establishing face gear hobbing principle, and establishing face gear hobbing processing coordinate system; (4) according to the face gear slotting cutter tooth surface equation and slotting cutter tooth surface parameters, establishing face gear slotting cutter molded surface fundamental equation; (5) analyzing and studying the face gear slotting cutter molded surface boundary limiting condition, and establishing face gear slotting cutter molded surface parameter numeric area; (6) according to face gear slotting cutter molded surface equation and the slotting cutter molded surface parameter numeric area, discretizing the numerical value of the face gear slotting cutter molded surface equation, and obtaining slotting cutter molded surface integer value point; (7) by meshing discrete digitizing curved surfaces, establishing a face gear slotting cutter worm basic model; and (8) according to the processing accuracy of the face gear, confirming the accuracy grade of the face gear slotting cutter, confirming other cutting parameters of the face gear slotting cutter according to the basic parameters of the face gear slotting cutter, and designing an engineering drawing of the face gear slotting cutter with repeatable cutter grinding. The invention establishes a set of complete face gear hobbing cutter design method, and the designed slotting cutter improves processing accuracy and efficiency of the face gear, has repeatable cutter grinding, prolongs the service life of the cutter, and lays foundation for grinding the face gear.

Description

technical field [0001] The invention relates to a design method of a face gear hob based on repeatable sharpening, which is suitable for the design of a special gear hob in the face gear hobbing process. Background technique [0002] At present, foreign technical data show that face gears can be processed by gear shaping, hobbing and grinding. Due to the strict confidentiality of foreign face gear processing technology, the processing methods and cutting tool design technology have not yet been mastered in China. , while domestic research on facing gears is still mainly focused on the design stage of facing gears, mainly including the research on the tooth surface equation of the face gear, the research on the contact analysis of the face gear, the research on the transmission stress of the face gear, the research on the elastohydrodynamic lubrication of the face gear and the research on the face gear Research on gear shaping simulation. Domestically, there is no relevant l...

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Problems solved by technology

[0004] The technical problem solved by the invention: Aiming at the technical problem of how to design a face gear hobbing tool to improve the processing efficiency and precision of the face gear under the condition of relatively low shaping efficiency and precision of the face gear, a face gear based on repeatable shar...

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