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Dynamic forward-looking processing method of small program segment and implementing device

A processing method and program segment technology, applied in the direction of automatic control devices, feeding devices, program control, etc., to achieve high execution efficiency, high speed smoothness, and improve execution efficiency

Active Publication Date: 2007-05-23
SHENYANG GOLDING NC & INTELLIGENCE TECH CO LTD
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Problems solved by technology

[0005] Aiming at the problems existing in the small program segment forward-looking processing method of the existing numerical control device, the purpose of the present invention is to provide a dynamic forward-looking processing method and implementation device for the small program segment that can correct the planned data according to the dynamic characteristics of the device. The dynamic look-ahead processing of the processing speed of tiny program segments is realized by introducing the judgment conditions and speed planning methods identified by "program chain" and "program chain", and the speed connection processing between "program chains"; based on this method, the present invention adopts PC The platform has developed a numerical control implementation device to realize continuous control of the feed speed of small program segments during the machining process

Method used

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  • Dynamic forward-looking processing method of small program segment and implementing device
  • Dynamic forward-looking processing method of small program segment and implementing device
  • Dynamic forward-looking processing method of small program segment and implementing device

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Embodiment Construction

[0034] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0035] (1) Dynamic look-ahead processing method for small program segments

[0036] Referring to Fig. 1, the human-machine interface, task coordination, motion control and programmable controller are used, and the motion control and programmable controller are loaded in the kernel space of the system, and the human-machine interface and task coordination are loaded in the user space of the system. Communicate with each other through the system's shared communication buffer; where:

[0037] The man-machine interface is used to receive operation commands and workpiece programs, to display the processing process of the realization device of the present invention, and to realize the interaction between machine tool operators and the realization device of the present invention.

[0038]Task coordination is composed of state management and part program interpretat...

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Abstract

The invention discloses the dynamic forward-looking method and implementation equipment for small program pieces, which uses human-machine interface, task coordination, movement control and programmable controller. It loads the movement control and the programmable controller in the system kernel space, and loads the human-machine interface and the task coordination in the system user space, and communicates with each other through the system sharing communications buffer; the movement control includes two parts of movement planning and axis control; its characteristics are: the movement planning uses dynamic forward-looking method to process the speed planning to the small program pieces interpreted by the task coordination part, and forms the speed set value in processing, and implements the machine servo axis smooth movement by the axis control in the processing. The invention can effectively addresses the speed smooth problem and the pointed transition problem in the small segment processing, thereby improving the surface machining quality of the workpiece.

Description

technical field [0001] The invention relates to a speed processing technology of a numerical control device, in particular to a processing method for processing the processing speed of a workpiece program composed of small program segments generated by CAM. The numerical control device adopting this method can realize the dynamic forward-looking processing of the processing speed of small program segments, effectively solve the problem of smooth speed and sharp corner transition in the processing of small line segments, and improve the surface processing quality of workpieces. Background technique [0002] The processing of complex profiles is the main application object of high-performance CNC machine tools. In the current numerical control device, due to the limitation of cost and system processing capacity, the device usually only has the function of processing straight line and arc. Therefore, in order to realize the processing of complex surfaces by the device, the CAD...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/18G05B19/4097B23Q15/00
Inventor 于东周雷黄艳郭锐锋吴文江
Owner SHENYANG GOLDING NC & INTELLIGENCE TECH CO LTD
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