High-speed precision machining system and method for complex curved surface machining

A complex curved surface, precision machining technology, applied in general control systems, control/regulation systems, instruments, etc.

Active Publication Date: 2020-07-14
LIAONING PROVINCIAL COLLEGE OF COMM
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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a high-speed precision machining system and method for complex curved surface machining to solve the coupling and trade-off problems of each unit in the machining planning in the optimization process, so as to provide in-guarantee Solutions and strategies for each unit of high-efficiency machining under the premise of machining quality, so that the parameters of each unit are in the most favorable combination

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  • High-speed precision machining system and method for complex curved surface machining
  • High-speed precision machining system and method for complex curved surface machining
  • High-speed precision machining system and method for complex curved surface machining

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[0063] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0064] In this embodiment, a high-speed precision machining system for complex curved surface machining, such as figure 1 As shown, it includes input module, trajectory planning module, tool position optimization module, parameter optimization module, and control output module;

[0065] The input module is used to input the geometric model of the processed part, the tool profile image and the initial cutting parameters, and the output of the input module is respectively connected with the input of the trajectory planning module, the input of the tool position optimization module, and the input of the parameter optimization module connected; the cutting parameters include ...

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Abstract

The invention provides a high-speed precision machining system and method for complex curved surface machining, and relates to the technical field of advanced manufacturing processes and equipment. The method comprises the following steps: firstly, acquiring a geometric model, a cutter profile image and an initial cutting parameter of a machined part; according to the characteristics of the to-be-machined curved surface, generating a curved surface machining tool path, wherein the generated curved surface machining tool path is optimized, and a final optimized tool path is obtained; establishing a complex curved surface high-speed machining cutting parameter optimization model by using a complex curved surface cutting parameter double-neural-network optimization algorithm and taking cutting time, energy consumption and the surface roughness of the machined part as optimization targets, and optimizing the initial cutting parameters to obtain optimal cutting parameters; carrying out post-processing on the optimized tool path and the optimized cutting parameters to generate a numerical control code. By means of the system and method, overall coordination and optimization of high-speedmachining of the complex curved surface are achieved, and the machining efficiency and machining precision of the complex curved surface are improved.

Description

technical field [0001] The invention relates to the technical field of advanced manufacturing technology and equipment, in particular to a high-speed precision machining system and method for complex curved surface machining. Background technique [0002] With the emergence of high-speed, high-precision CNC machining centers and the manufacturing accuracy of complex mechanical products approaching the limit state, almost stringent requirements have been put forward for the motion and geometric planning methods of CNC machining. High-speed, high-precision motion generation and control Technology has become the core technology for high-speed, high-precision and efficient processing of high-performance mechanical products. The current NC machining planning for complex curved surfaces is mostly selected by the operator or craftsman based on experience, given the process parameters and machine tool motion parameters, and the machining path planning is usually completed by UG or P...

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Application Information

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IPC IPC(8): G05B19/19
CPCG05B19/19G05B2219/35524
Inventor 赵萍董威何亮韩迷慧王东生孙英鹏卜洪洋
Owner LIAONING PROVINCIAL COLLEGE OF COMM
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