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Continuous processing control method and system

A control method, a technology for controlling parameters, applied in general control systems, control/regulation systems, digital control, etc.

Active Publication Date: 2018-07-10
广东库迪数控技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, it is necessary to provide an accurate continuous processing control method and system for the problem of large errors in the general continuous processing control method

Method used

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  • Continuous processing control method and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] Embodiment one, such as Figure 4 As shown, step S300 includes:

[0064] S310: Analyze the static tool path, and when the speed parameter of the tool in the static tool path is unknown, calculate the cumulative length of the static tool path according to the static tool path, wherein the speed parameter of the tool Including idle speed and processing speed.

[0065] S320: Obtain the coordinate value of the feeding axis in the dynamic tool path according to the processing pitch and the cumulative length.

[0066] For some CNC machine tools, the speed parameter of the tool is unknown, and it may not be possible to obtain the speed parameter of the tool according to its static tool path. For example, for CNC machine tools imported from abroad, the manufacturer does not provide this part of data or CNC source code. This part of data requires a lot of manpower and material resources. In this case, each node in the static tool path of the tool can be expressed as p=(f, A 2...

Embodiment 2

[0069] Embodiment two, such as Figure 5 As shown, step S300 includes:

[0070] S330: Analyze the static tool path, and calculate the time for the tool to move from the current node to the next node when the speed parameter of the tool in the static tool path is known.

[0071] S340: accumulatively execute the time required for one dynamic tool path.

[0072] S350: Obtain the coordinate value of the feeding axis in the dynamic tool path according to the time for the tool to move from the current node to the next node, the time required to execute a dynamic tool path, and the machining pitch.

[0073] For some CNC machine tools, the speed parameters of the tool are known, and the speed parameters of the tool can be obtained according to its static tool path. known. For this situation, each node in the static toolpath can be expressed as p=(V, f, A 2 , A 3 , A 4 ,...,A n ), in the static tool path coordinate system, the tool starts from the node P i-1 reach P i The time r...

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Abstract

The invention provides a continuous processing control method and a continuous processing control system. According to the method, a coordinate figure of each numerical control axis of each node in a static tool path is acquired, a processing pitch is calculated, an initial coordinate figure and an end coordinate figure of a dynamic tool path are acquired, a coordinate figure of a feeding axis in the dynamic tool path is acquired, a coordinate figure of each numerical control axis of each node in the dynamic tool path is acquired according to the acquired data, and continuous processing control parameters are acquired according to the coordinate figure of each numerical control axis of each node in the dynamic tool path. In the whole process, spatial geometric processing and spatial coordinate processing are carried out through the static tool path, the dynamic tool path is solved, and accurate continuous processing control on a tool is realized.

Description

technical field [0001] The invention relates to the technical field of industrial control management, in particular to a continuous processing control method and system. Background technique [0002] Continuous processing refers to the mechanical processing of materials under the condition of uninterrupted and continuous feeding of materials. For example, the continuous and non-intermittent feeding of the whole roll of thin steel plate into the machine tool for cutting is a type of continuous processing. Compared with the traditional static processing method, the processing efficiency is improved due to the saving of downtime during loading and unloading. At the same time, both finished products and waste materials can be continuously delivered to relevant stations, which can significantly reduce labor intensity, reduce labor costs, and facilitate the automation of the production line. Especially in the case of short processing time and relatively time-consuming loading an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/19
CPCG05B19/19G05B2219/35349
Inventor 王建业
Owner 广东库迪数控技术有限公司