Machine tool moving part realizing method capable of meeting high-acceleration requirement

A moving parts, high acceleration technology, applied in special data processing applications, instruments, electrical digital data processing and other directions, can solve the problem of not forming high acceleration moving parts technology, shorten the development cycle, ensure product quality, and reduce development costs. Effect

Inactive Publication Date: 2011-05-04
BEIHANG UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although there are many mechanical optimization methods for machine tools, there is no complete technology for high-acceleration moving parts.

Method used

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  • Machine tool moving part realizing method capable of meeting high-acceleration requirement
  • Machine tool moving part realizing method capable of meeting high-acceleration requirement
  • Machine tool moving part realizing method capable of meeting high-acceleration requirement

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Embodiment Construction

[0023] The steps of the present invention include: (1) determining working condition parameters such as density, modulus of elasticity, coefficient of friction, range of basic external dimensions, and selected motor power of moving parts of the machine tool; (2) taking the load inertia of the parts as the optimal design objective function , select the design variables, determine the constraints, and establish the mathematical model for its optimal design; (3) use the MATLAB algorithm to solve the optimization problem, and determine the optimal shape of the component; (4) establish the three-dimensional model of the component; (5) use the virtual Prototype technology, the system is simulated and analyzed by multi-rigid body dynamics software. Check whether the motion acceleration of the parts meets the requirements; (6) Analyze the high-acceleration starting motion of the moving parts through the finite element analysis software, and improve the design of the weak position of th...

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Abstract

The invention discloses a machine tool moving part realizing method capable of meeting a high-acceleration requirement, which comprises: (1) determining working condition parameters of a moving part, such density, elastic modulus, fraction coefficient, basic overall dimension range and selected motor power; (2) taking the load inertia of the part as an optimal design target function, selecting a design variable, determining a constraint condition and establishing an optimal design mathematical model of the moving part; (3) solving an optimal problem by using a MATLAB algorithm, and determining the optimal overall dimension of the moving part; (4) establishing a three-dimensional model of the part; (5) based on virtual prototype technology, performing simulation analysis on the system through multi-steel body dynamic software, and detecting if the acceleration in motion of the part reaches requirement; (6) analyzing the high-acceleration start-up motion of the moving part by using finite element analysis software, and performing improved design of the weak positions of the moving part; and (7) determining the mechanical error of the part operating at high acceleration so as to perform real-time compensation in computer numerical control (CNC) programming. The method realizes the design of the moving part under a complex working condition by a simple method; and while ensuring product quality, the method greatly shortens product development period and reduces development cost.

Description

technical field [0001] The invention relates to a method for realizing a moving part of a machine tool meeting the requirement of high acceleration, and belongs to the technical field of high-speed and high-precision numerical control machining. Background technique [0002] The high-speed high-precision machining center is the most advanced CNC machine tool in the world. With the continuous development of the manufacturing industry, the starting acceleration of the machine tool has become an important design parameter of the machine tool. How to ensure the stability and reliability of moving parts during high-acceleration operation is the key technology in machine tool design. Although there are many mechanical optimization methods for machine tools, there is no complete technology for high-acceleration moving parts. Contents of the invention [0003] The technical solution problem of the present invention: overcome the deficiencies in the prior art, provide a kind of re...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 王延忠孙红梅吕晓宇沈华红
Owner BEIHANG UNIV
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