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Loaded tooth surface contact analysis method direct at epicycloid bevel gear errors

A technology of cycloidal bevel gear and contact analysis, which is applied to components with teeth, belts/chains/gears, portable lifting devices, etc., and can solve problems such as transmission error loading tooth surface contact analysis

Inactive Publication Date: 2013-07-17
BEIJING UNIV OF TECH
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Many scholars at home and abroad have carried out extensive and in-depth research on the dynamic characteristics of gear tooth surface contact analysis, but most of them consider the tooth surface contact analysis that only includes the machine tool setting error, and focus on spur gears, but for Klein There is little research on the contact analysis of loaded tooth surfaces of Günberg bevel gears considering transmission errors, shaft deformations, bearing deformations, tooth deformations, tooth surface machining errors, and machine tool setup errors

Method used

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  • Loaded tooth surface contact analysis method direct at epicycloid bevel gear errors
  • Loaded tooth surface contact analysis method direct at epicycloid bevel gear errors
  • Loaded tooth surface contact analysis method direct at epicycloid bevel gear errors

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Embodiment Construction

[0070] Such as Figure 1-8 Shown, a kind of method of the present invention is aimed at the tooth surface contact analysis of cycloidal bevel gear error loading, and its specific steps are as follows:

[0071] 1 Tooth surface contact analysis

[0072] The three-dimensional space distance vector of the conjugate contact point

[0073] Δ R d → = - H p l → + J p r → + V e l → - - - ( 1 )

[0074] where V is the longitudinal setting parameter of the gear pair, and the upward direction of the pinion is active. H is the coordinate axis setting parameter of the gear ...

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Abstract

The invention relates to a loaded tooth surface contact analysis method direct at epicycloid bevel gear errors, and belongs to the field of theory of non linear vibration. Gear pair elastic deformation, support system torsion, gear processing errors and machine tool setting errors are taken into consideration to derive a novel error loaded contact analysis method. When analyzing one loaded tooth surfaced contact, real situation can be closer. The loaded tooth surface contact analysis method is usually used for setting parameters and machine tool parameters via V-H-J (V is the longitudinal set parameter of a gear pair, and the upward direction of a small gear is active; H is a coordinate set parameter of the gear pair, and the direction facing towards the big end of the small gear is active; J is the adjusting parameter along a coordinate direction, and the direction, distant from a big gear, of the small gear is active) within a real contact area under the conditions of loading and delivering errors and simulated load distribution and processing, so that impact of the errors is compensated to improve delivering performance and correct size and position of the contact area.

Description

technical field [0001] The invention relates to a method for analyzing the tooth surface contact of a cycloidal bevel gear under error loading, and belongs to the field of gear nonlinear dynamics. Background technique [0002] Klingelnberg Spiral Bevel Gear, as one of the two tooth systems of spiral bevel gears, has the characteristics of stable transmission, high load capacity, hard tooth surface scraping technology, etc., so it is especially suitable for high power and high torque In the field of heavy-duty transmission, it is the core transmission component in important fields such as heavy-duty high-end CNC machine tools, automobile transmission systems, and aerospace equipment. In order to ensure that the gears are stable and reliable in the transmission process and reduce vibration and noise, it is necessary to carry out dynamic analysis on the gear transmission system. Effectively establishing a gear meshing mathematical model is the basis of dynamic analysis. [00...

Claims

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Application Information

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IPC IPC(8): F16H55/20
Inventor 刘志峰张志民罗兵郭春华张敬莹刘美荣
Owner BEIJING UNIV OF TECH
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