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Thermodynamic modeling and thermal design method of high speed machine tool structure

A technology of thermodynamic modeling and processing machine tools, applied in computer-aided design, design optimization/simulation, CAD numerical modeling, etc., can solve problems that cannot meet the design requirements of high-speed processing machine tools

Active Publication Date: 2019-02-22
SOUTHEAST UNIV
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Problems solved by technology

[0006] It should be seen that the above two thermodynamic single-factor modeling and design methods of machine tools cannot meet the design requirements of high-speed machining machine tools.

Method used

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  • Thermodynamic modeling and thermal design method of high speed machine tool structure
  • Thermodynamic modeling and thermal design method of high speed machine tool structure
  • Thermodynamic modeling and thermal design method of high speed machine tool structure

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Embodiment Construction

[0086] The method for designing the structure thermodynamics of the high-speed machining machine tool according to the present invention will be further described in detail below in conjunction with an embodiment (precision numerical control internal circular compound grinding machine).

[0087] figure 1 The specific content of the high-speed machining machine tool structure thermodynamic design method of the present invention is given, including the following steps: Step 1: three-dimensional digital modeling of the high-speed machining machine tool

[0088] Use 3D modeling software (such as Solidworks) to establish a 3D digital (CAD, CAE) model of a precision CNC internal cylindrical compound grinding machine, such as figure 2 shown.

[0089] Step 2: Calculation of the heating power of the main heat source of the high-speed machining tool

[0090] Step 2a: Using the formulas (1)-(3), calculate the heating power Q of the rolling bearing of the grinding electric spindle of t...

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Abstract

A thermodynamic modeling and thermal design method of a high speed machine tool structure includes such steps as 1, performing 3D digital modeling of high-speed machining machine tool; 2, calculatingthat heating power of the main heat source and the related heat transfer coefficient of the high-speed machining machine tool; 3, calculating that thermal resistance parameter of the plane joint partof the machine tool; 4, performing thermodynamic model and thermal characteristic calculation of a whole machine structure of a high-speed machining machine tool; 5, a thermal state design method of awhole machine structure of a high-speed machine tool. By adopting the thermodynamic design method of the whole structure of the high-speed machining machine tool provided by the invention, the thermodynamic modeling accuracy of the whole structure of the high-speed machining machine tool can be greatly improved and the design period can be shortened. It is not only convenient for the forward design of high-speed machining machine, but also improves the success rate of one-time design.

Description

technical field [0001] The invention relates to a thermodynamic modeling and thermal design method for the overall structure of a high-speed machining machine tool, belonging to the field of numerical control machine tool design. Background technique [0002] CNC machine tools are developing in the direction of high speed and high precision, and the industry has higher and higher requirements for the thermal performance of high-speed processing machine tools. Establishing the thermodynamic model of the high-speed machining machine tool, carrying out the thermodynamic analysis of the whole machine, and then completing the thermodynamic design of the machine tool are the primary technical links in the research and development of high-speed machine tools. [0003] Establishing a high-precision thermodynamic model of high-speed machining machine tools is the theoretical basis for carrying out thermodynamic design of high-speed machining machine tools. In recent years, scholars ...

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/17G06F30/23G06F2111/10G06F2119/06G06F2119/08
Inventor 蒋书运朱国振
Owner SOUTHEAST UNIV
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