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Numerical control machine tool spindle power signal processing method and device, and electronic equipment

A technology of power signal and CNC machine tool, which is applied in the direction of program control, computer control, general control system, etc., can solve the problem of strong interference of the power signal of the spindle of CNC machine tool, so as to save processing time, improve processing efficiency, improve accuracy and reliability effect

Pending Publication Date: 2021-12-17
NANJING FORESTRY UNIV
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, an embodiment of the present invention provides a processing method, device and electronic equipment for the power signal of the spindle of a CNC machine tool, to solve the problem of strong interference of the power signal of the spindle of a CNC machine tool

Method used

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  • Numerical control machine tool spindle power signal processing method and device, and electronic equipment
  • Numerical control machine tool spindle power signal processing method and device, and electronic equipment
  • Numerical control machine tool spindle power signal processing method and device, and electronic equipment

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Embodiment

[0064] Pre-set the maximum sampling deviation Y: Connect one end of the power sensor WT800 to the output end of the spindle motor of the CNC machine tool. At this time, the processing parameters of the machine tool are: spindle speed 6000r / min, cutting depth 0.5mm, feed speed 5m / min, and repeat the acquisition for 3 groups The spindle power signal during CNC machine tool processing is shown in Table 1:

[0065]

[0066]

[0067] Table 1

[0068] Set 0.1, 0.3, and 0.5 as the maximum sampling deviation, and perform limiting filter processing on the original spindle power signal collected in Table 1.

[0069] Calculate the variance of all test power signals processed by limiting filtering, and the results are shown in Table 2.

[0070]

[0071] Table 2

[0072] It can be seen that the maximum sampling deviation corresponding to the smallest variance is 0.1, and the maximum sampling deviation Y is set to 0.1.

[0073] S1: Connect one end of the power sensor to the outp...

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Abstract

The invention belongs to the technical field of numerical control machine tool machining, and provides a numerical control machine tool spindle power signal processing method and device, and electronic equipment. The processing method comprises the following steps: S1, acquiring a plurality of groups of spindle power signals during machining of the numerical control machine tool; S2, according to a preset maximum sampling deviation Y, carrying out amplitude limiting filtering processing on the obtained multiple groups of spindle power signals; S3, carrying out arithmetic average filtering processing on the multiple groups of spindle power signals after amplitude limiting filtering processing; and S4, outputting the spindle power signal after arithmetic average filtering processing. The processing method can effectively eliminate periodic interference and random interference in the numerical control machine tool spindle power signal, and improves the accuracy and reliability of the numerical control machine tool spindle power signal.

Description

technical field [0001] The invention relates to the technical field of numerical control machine tool processing, in particular to a processing method, device and electronic equipment for a power signal of a main shaft of a numerical control machine tool. Background technique [0002] The power signal of the machine tool spindle is the work done per unit time when the machine tool spindle motor drives the tool to cut the workpiece, which can be obtained by multiplying the instantaneous current and the instantaneous voltage. Obtaining accurate machine tool spindle power signals is of great significance to the energy consumption analysis of machine tools. [0003] At present, during the operation of the machine tool, the current and voltage will fluctuate due to the breakage of the motor squirrel cage, frequent fluctuations in the motor load, poor contact of the motor leads and poor contact of the current detection circuit, so the power signal of the machine tool spindle will ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/408
CPCG05B19/4086G05B2219/35356Y02P70/10
Inventor 朱兆龙董伟航郭晓磊熊先青李荣荣曹平祥
Owner NANJING FORESTRY UNIV
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