Accurate constraint condition-based cylindrical gearing optimization design method and accurate constraint condition-based cylindrical gearing CAD (computer-aided design) optimization design system

A constraint condition, cylindrical gear technology, applied in belt/chain/gear, calculation, mechanical equipment, etc., can solve problems such as heavy workload, inaccuracy, incomplete optimization results, etc., to improve design efficiency and optimize results accurate effect

Active Publication Date: 2015-03-11
SHANDONG UNIV OF SCI & TECH
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Problems solved by technology

However, the gear optimization problem involves the calculation of the gear strength constraints. When accurately calculating the key coefficients required for the gear strength, it is necessary to check a large number of charts and curves according to the national standard, resulting in a ve

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  • Accurate constraint condition-based cylindrical gearing optimization design method and accurate constraint condition-based cylindrical gearing CAD (computer-aided design) optimization design system

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Embodiment Construction

[0021] The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0022] An optimal design method of cylindrical gear transmission based on precise constraints, including:

[0023] Step 1: Input the original parameters. According to the requirements of the working conditions, input the tooth shape parameters, working condition parameters and material parameters of the cylindrical gear pair. The tooth shape parameters include the number of teeth, modulus, tooth width, pressure angle, helix angle, and addendum height coefficient, head clearance coefficient; working condition parameters include input torque, input power, service coefficient, etc.; material parameters include elastic modulus, Poisson's ratio, density, contact fatigue limit, bending fatigue limit;

[0024] Step 2: Calculation configuration saving step, the parameters input in step 1 are saved to parameter files according to th...

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Abstract

The invention provides an accurate constraint condition-based cylindrical gearing optimization design method and an accurate constraint condition-based cylindrical gearing CAD (computer-aided design) optimization design system, and belongs to the field of the optimization design method and the CAD optimization design system; the invention aims at overcoming the abuse that all key coefficients are processed as constants in the existing gear optimization method, and therefore the accuracy of an optimization result is effectively improved. The accurate constraint condition-based cylindrical gearing optimization design method comprises the following steps: inputting original parameters, saving computing configuration, computing key coefficients, reconstructing a tooth surface contact strength constraint condition, reconstructing a teeth bending strength constraint condition and optimizing iteration; the accurate constraint condition-based cylindrical gearing CAD (computer-aided design) optimization design system comprises the following modules: an original parameter input module, a computing configuration saving module, a key coefficient computing module, a tooth surface contact strength constraint condition reconstruction module, a teeth bending strength constraint condition reconstruction module and an iteration optimization module.

Description

technical field [0001] The invention relates to the fields of an optimization design method and a CAD optimization design system; in particular, a cylindrical gear transmission optimization design method and a CAD optimization design system based on precise constraint conditions. Background technique [0002] As the core component of various transmission systems, cylindrical gear transmission is widely used in the field of construction machinery. During the design process of cylindrical gear transmission, in order to ensure the necessary strength and high enough safety factor, the redundancy of parameters such as the number of teeth, modulus, and tooth width is usually caused, which makes the gears designed according to the traditional method less bulky and heavier. bigger. Therefore, it is necessary to optimize the structure of gears. However, the gear optimization problem involves the calculation of the gear strength constraints. When accurately calculating the key coeff...

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Application Information

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IPC IPC(8): G06F17/50F16H55/17
Inventor 江守波曾庆良李学艺江守雷苏超逯振国崔晶
Owner SHANDONG UNIV OF SCI & TECH
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