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Design method of arc bevel gear tooth surface based on different tooth profile angular spherical tooth profile

A technology of tooth profile angle and bevel gear, which is applied to components with teeth, belts/chains/gears, mechanical equipment, etc., and can solve the problem that gears cannot meet the requirements of equipment

Active Publication Date: 2017-01-25
XIAMEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development trend of high speed and heavy load in gear transmission, the traditional arc bevel gear has been difficult to meet the requirements of equipment

Method used

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  • Design method of arc bevel gear tooth surface based on different tooth profile angular spherical tooth profile
  • Design method of arc bevel gear tooth surface based on different tooth profile angular spherical tooth profile
  • Design method of arc bevel gear tooth surface based on different tooth profile angular spherical tooth profile

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Embodiment Construction

[0040] Arc bevel gears based on different tooth profile angles have different tooth profile angles on both sides, the section at the root of the tooth becomes thicker, and the tooth thickness, tooth tip fillet, and tooth root fillet of the driving side and the non-driving side change. Therefore, it is very necessary to propose a calculation method for the design and calculation of the circular bevel gear tooth surface based on different tooth profiles and angular spherical tooth profiles.

[0041] Arc bevel gears with different tooth profile angles have two different base circles. The two base cones have two different meshing planes, which perform pure rolling along their respective meshing surfaces. The two base cones have a common pitch cone and mesh with each other. The two conical surfaces of a pair of bevel gears with different tooth profiles are tangent. Such as figure 1 As shown, the drive side tooth surface base cone OP 1 'O' and non-drive side tooth flank OP' 2 O' ...

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Abstract

The invention discloses a circular arc bevel gear tooth surface design method based on spherical tooth profiles of different tooth profile angles, relates to a gear, and provides a circular arc bevel gear with the different tooth profile angles to improve the performance of the circular arc bevel gear for gear transmission mechanisms such as vehicles taking one-way transmission as main transmission. A driving surface of the gear is provided with large tooth profile angles, a non-driving surface of the gear is provided with small tooth profile angles, the bearing capacity of the gear in a driving direction is enlarged, sharpening of tooth crests is avoided, the bearing capacity, the fatigue life and the output torque of the circular arc bevel gear can be effectively improved, and transmission vibration and noise are reduced. A driving side and a non-driving side of the circular arc bevel gear with the different tooth profile angles have different gear parameters such as a basal cone, a tip cone and a root cone, geometrical characteristics and a design method of the circular arc bevel gear are completely different from those of a traditional circular arc bevel gear, so that the design method of the circular arc bevel gear based on the spherical tooth profiles of the different tooth profile angles needs to be built, and the design method lays the foundation for design, machining and manufacturing of cutters and computation of tooth root bending fatigue strength and tooth surface contact fatigue strength.

Description

technical field [0001] The invention relates to gears, in particular to a method for designing the tooth surface of an arc bevel gear based on spherical tooth profiles with different tooth profiles. Background technique [0002] Compared with straight and helical bevel gears, arc bevel gears have the advantages of large coincidence, large relative curvature radius of the tooth surface at the contact point, easy control of the surface contact area, and less sensitivity to errors. It has been widely used in the transmission of axis. With the development trend of high speed and heavy load in gear transmission, the traditional arc bevel gear has been difficult to meet the requirements of the equipment. Especially in the transmission parts of vehicles, the requirements for the output torque of arc bevel gears are getting higher and higher. Contents of the invention [0003] The object of the present invention is to provide a method for designing the tooth surface of circular ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H55/08
CPCF16H55/0826
Inventor 肖望强潘天龙
Owner XIAMEN UNIV
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