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The acquisition and control method of rapid feed power and energy consumption of CNC machine tools

A rapid feed, CNC machine tool technology, applied in the direction of computer control, program control, general control system, etc., can solve the problems of rapid feed modeling, difficulty in rapid feed energy consumption assessment, etc.

Inactive Publication Date: 2016-09-14
ZHEJIANG UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

There are currently no patents modeling the power and energy consumption of rapid feed, making the evaluation of energy consumption of rapid feed difficult

Method used

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  • The acquisition and control method of rapid feed power and energy consumption of CNC machine tools
  • The acquisition and control method of rapid feed power and energy consumption of CNC machine tools
  • The acquisition and control method of rapid feed power and energy consumption of CNC machine tools

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Embodiment Construction

[0054] Now, the present invention will be explained in detail in conjunction with the embodiments and the accompanying drawings.

[0055] In one embodiment of the present invention, the Z-axis of a numerically controlled lathe is used as the selected feed axis, and the modeling method of feed power and energy consumption is described in detail.

[0056] Among them, the selected machine tool is the CK6153i CNC lathe of Jinan No. 1 Machine Tool Factory, and the feed speed set by the Z axis is f rmax =8m / min=133.3mm / s, feed distance L f 10mm and 30mm respectively.

[0057] The acquisition and control method of the rapid feed power and energy consumption of the CNC machine tool in the current embodiment of the present invention are as follows: figure 1 shown, including the following steps:

[0058] Step 1. Select a feed axis to be controlled in the CNC machine tool, set the maximum feed speed of the feed axis, obtain the feed motion power equation of the feed axis and the param...

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Abstract

The invention discloses a method for obtaining and controlling the rapid feed power and the energy consumption of a numerical control machine tool. The method comprises the following steps that firstly, a maximum feed speed of a feed shaft of the numerical control machine tool is set, and the feed movement power equation and feed system parameters of the feed shaft are obtained; secondly, the computational formula of the rapid feed power and the energy consumption is obtained according to the feed system parameters and the feed movement power equation; thirdly, the feed distance of the feed shaft is set, the feed distance and different maximum feed speeds are combined, combinations of the feed distance and the different maximum feed speeds are substituted into the computational formula of the rapid feed power and the energy consumption, and a rapid feed power peak and different values of energy consumption are obtained through computation; fourthly, according to the rapid feed power peak and the different values of energy consumption, the feed shaft of the numerical control machine tool is controlled according to the appropriate maximum feed speed. By the adoption of the method for obtaining and controlling the rapid feed power and the energy consumption of the numerical control machine tool, accurate rapid feed power and energy consumption can be obtained through prediction, and a computation result can be directly used for evaluation of the energy consumption and energy-saving control of the numerical control machine tool.

Description

technical field [0001] The invention relates to the field of machine tool control, in particular to a method for acquiring and controlling fast feed power and energy consumption of a numerically controlled machine tool. Background technique [0002] The CNC machine tool feed is used for machine tool positioning operations such as advancing and retreating, which can effectively reduce the idle travel time of the machine tool and improve processing efficiency. Rapid feed frequently exists in the process of machine tool operation, and its energy consumption occupies a certain proportion of the total energy consumption of the machine tool. Therefore, it is urgent to study the modeling method of rapid feed power and energy consumption, so as to lay the foundation for the evaluation of machine tool energy consumption and energy-saving control. [0003] At present, there have been some researches on machine tool energy consumption modeling at home and abroad. For example, the pat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/406
Inventor 唐任仲吕景祥贾顺
Owner ZHEJIANG UNIV
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