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Online monitoring method for energy efficiency of spindle system during service process of numerically controlled machine tool

A CNC machine tool and energy efficiency technology, applied in general control systems, control/regulation systems, program control, etc., can solve problems such as online monitoring of machine tool energy efficiency, achieve good engineering application value, broad application prospects, and simple and easy operation. row effect

Active Publication Date: 2018-10-02
CHONGQING UNIV OF TECH
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Problems solved by technology

[0005] Aiming at the difficult problem of online monitoring of the energy efficiency of machine tools at present, the present invention proposes an online monitoring method for the energy efficiency of the spindle system during the service process of CNC machine tools

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  • Online monitoring method for energy efficiency of spindle system during service process of numerically controlled machine tool
  • Online monitoring method for energy efficiency of spindle system during service process of numerically controlled machine tool
  • Online monitoring method for energy efficiency of spindle system during service process of numerically controlled machine tool

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Embodiment

[0054] Since the online monitoring method of the instantaneous energy efficiency of the spindle system of the CNC machine tool in service needs to collect the input power and cutting power at the same time in real time, it is difficult to achieve complete synchronous collection during verification, so it is inconvenient to verify here. Therefore, the following mainly verifies the monitoring accuracy of process energy efficiency.

[0055] This embodiment monitors the instantaneous energy efficiency of the spindle system of the C2-6136HK / 1 CNC lathe during its service. In the experiment, the Hichi 3390 power analyzer was installed at the input point of the spindle system to measure the three-phase input current and input power of the spindle system; the KISTLER 9257B was installed on the pallet to measure the cutting torque during the cutting process. The process is as follows:

[0056] 1) Acquisition of machine tool characteristic model

[0057] a. No-load current model const...

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Abstract

The invention discloses an online monitoring method for the energy efficiency of a spindle system during a service process of a numerically controlled machine tool. According to the method, a spindlesystem energy efficiency model of a numerically controlled machine tool service process for online monitoring is constructed based on a spindle system torque balance equation of a numerically controlled machine tool service process. On the basis of the analysis of electrical parameter variation characteristics of the cutting condition of the machine tool service process, an automatic determinationmethod of a cutting starting point and a cutting end point of the cutting period of the numerically controlled machine tool service process is proposed; and then an online monitoring method of the energy efficiency of the spindle system of the numerically controlled machine tool service process is put forward finally. With the method disclosed by the invention, the support is provided for researches of improving the energy efficiency of the spindle system of the machine tool processing process and optimizing the cutting parameters in an energy-saving manner. The method has the broad application prospects.

Description

technical field [0001] The invention relates to the technical field of numerical control machine tool control, in particular to a method for on-line monitoring of the energy efficiency of a spindle system during the service process of a numerical control machine tool. Background technique [0002] The mechanical processing system with CNC machine tools as the main energy consumption has a large volume and a wide range, and its total energy consumption is huge, which has a huge impact on the environment. Therefore, how to reduce the energy consumption in the operation process of CNC machine tools and improve the energy efficiency in the operation process of CNC machine tools has become a topic of common concern worldwide. In the British Low-Carbon Transformation Plan, the British government requires that by 2020, carbon emissions will be reduced by 34% on the basis of 1990. In 2013, the European Union pointed out in the "2030 Climate and Energy Framework" that energy efficie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/4065
CPCG05B19/4065G05B2219/37616Y02P70/10
Inventor 谢俊
Owner CHONGQING UNIV OF TECH
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