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Machine Tool Configuration Method Based on Stiffness Calculation of Parametric Modular Machining Center

A machining center, stiffness calculation technology, applied in the direction of calculation, electrical digital data processing, special data processing applications, etc., can solve the problems of limited improvement of analysis efficiency, no further research on the division of machine tool modules, etc., to reduce complexity, good general-purpose The effect of convenience and convenience, high analysis efficiency

Inactive Publication Date: 2015-10-21
TONGJI UNIV
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  • Application Information

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Problems solved by technology

Although these studies divide the machine tool into two modules, which simplifies the stiffness analysis process to a certain extent, there is no further research on the division of machine tool modules, so the improvement of analysis efficiency is limited.

Method used

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  • Machine Tool Configuration Method Based on Stiffness Calculation of Parametric Modular Machining Center
  • Machine Tool Configuration Method Based on Stiffness Calculation of Parametric Modular Machining Center
  • Machine Tool Configuration Method Based on Stiffness Calculation of Parametric Modular Machining Center

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Embodiment

[0045] Such as figure 1 As shown, a machine tool configuration method based on the stiffness calculation of parametric modular machining centers, the machining center designed according to the theory of parametric module division is the research object, and the modules are simplified under the premise of ensuring the accuracy of stiffness analysis, thereby reducing the number of modules. Due to the complexity of the motion equations of the connection system, the auxiliary calculation tools can be used to quickly iterate the module data in sequence to obtain results, thus greatly improving the efficiency in analyzing the dynamic and static stiffness of the machining center. This method specifically comprises the following steps:

[0046] Step 1: Based on the principle of parametric design, the machining center is divided into modules to form a module library.

[0047]For different types of machining centers such as vertical machining centers, horizontal machining centers, gant...

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Abstract

The invention relates to a machine tool configuration method based on parameterized and modularized machining center stiffness calculation, which comprises the following steps of: 1, dividing machine centers into modules based on a parameterization design principle to form a module library; 2, selecting modules which satisfy requirements from the module library according to machining technologies; 3, combining the selected modules into integral machine tools and storing configuration schemes in a configuration scheme library; 4, calculating dynamic and static stiffness of the integral machine tools corresponding to each configuration scheme in the configuration scheme library; and 5, according to calculation results obtained in the step 4, judging whether each configuration scheme satisfies the requirements on machining accuracy and stability, if so, outputting the configuration scheme which satisfies the requirements, and if not, returning to the step 2. Compared with the prior art, on the premise that the stiffness analysis accuracy is guaranteed, the machine tool configuration method based on parameterized and modularized machining center stiffness calculation has the advantages that the analysis efficiency is higher, the production and design network of the entire machine tool is not limited by reasons such as lack of experience of experiment and analysis personnel, the method is simple and quick, and the like.

Description

technical field [0001] The invention relates to a method in the field of dynamic and static stiffness analysis and calculation, in particular to a machine tool configuration method based on stiffness calculation of a parameterized modular machining center. Background technique [0002] A reconfigurable manufacturing system is a manufacturing system that has the two functions of actively adapting to changes in the external environment and passively responding to internal disturbances in the system. The function and production capacity of the system can adapt to changes in product varieties or changes in market demand. A reconfigurable manufacturing system has the characteristics of modularity, openness, scalability, integrability, transformability, customization, and diagnosability. Among them, modularity is the core feature of reconfigurable manufacturing system. The reconfigurable manufacturing system is composed of the upper-level planning and scheduling controller and t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 刘雪梅徐立云李爱平孙健谢楠马淑梅
Owner TONGJI UNIV
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