ANSYS simulation platform-based method for calculating movable induction heating of big gear rings

A technology of induction heating and calculation method, applied in the direction of calculation, design optimization/simulation, special data processing application, etc., can solve the problems of uneven hardness of tooth surface, long experiment period, high cost, reduce uneven temperature distribution, Stable processing quality and the effect of eliminating end effect
CN107169166AActive Publication Date: 2017-09-15YANSHAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
YANSHAN UNIV
Publication Date
2017-09-15

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Abstract

The invention discloses an ANSYS simulation platform-based method for calculating movable induction heating of big gear rings. The method comprises the following steps of: determining a modeling-required parameter according to main equipment and workpieces used in an induction heating process of big gear rings; determining a software-recognizable equivalent parameter according to an induction heating process parameter used in a production process; establishing an initial analysis geometric model according to the determining parameters, adding physical property parameters of used materials, and dividing grids; applying a boundary condition and a corresponding load, and carrying out initial electromagnetic heating coupling calculation; extracting all the node temperatures of the analyzed workpieces; moving an inductor, establishing a movement analysis geometric model according to the determined parameters, adding material attributes, dividing grids, endowing nodes in one-to-one correspondence with the workpieces with the node temperatures extracted in the electromagnetic calculation, applying a boundary condition and a load, and carrying out continuous electromagnetic heating coupling calculation; and controlling the movement speed of the inductor through realizing the distance of each movement of the inductor and a corresponding induction heating time until the whole calculation is completed.
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Description

technical field

[0001] The invention relates to the field of induction heat treatment, in particular to a calculation method for large ring gear mobile induction heating based on the ANSYS simulation platform. Background technique

[0002] As a clean and renewable energy source, wind power has a bright prospect and will maintain a high-speed development for a long time in the future. According to the survey, wind power gear failures account for more than 55% of wind power gearbox failures. The large ring gear is an important basic transmission component of the wind turbine. According to its working conditions and usage requirements, it needs to be surface strengthened. For the strengthening treatment of large ring gears, carburizing quenching, nitriding quenching and induction quenching are mainly used at home and abroad. Compared with induction quenching, carburizing quenching has a longer production cycle and a large waste of energy. The reliability of large nitriding fur...

Claims

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