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Stepping CNC system, generating method of machining file, and real-time control method

A processing file and step-by-step technology, which is applied in the step-by-step computer numerical control system and the generation of processing files, can solve the problems affecting the processing speed and processing quality of the CNC system, and achieve saving storage space and simple control of time , The effect of increasing the printing speed

Inactive Publication Date: 2015-06-10
江俊逢 +1
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Since the workpiece contour curve is often composed of a large number of straight lines (including oblique lines), this further affects the processing speed and processing quality of the CNC system.

Method used

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  • Stepping CNC system, generating method of machining file, and real-time control method
  • Stepping CNC system, generating method of machining file, and real-time control method
  • Stepping CNC system, generating method of machining file, and real-time control method

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Embodiment Construction

[0214] There are only two kinds of digital images for any curve, that is, microscopic digital images and incremental digital images. Correspondingly, the relevant coordinate axes feed a discrete equivalent or several discrete equivalents.

[0215] The discrete feed information of the former coordinate axis is a stepping pulse in the form of "0" and "1", and its CNC system is called a stepping CNC system. The latter's coordinate axis discrete feed information is a coordinate value increment, and its CNC system is called an incremental CNC system.

[0216] The pre-set discrete error is called the discrete scale, denoted as e. The coordinate axes are discretized on a discrete scale, and the coordinate plane is gridded by parallel lines whose distance from each other is the discrete scale. The coordinate system thus established is called a discrete coordinate system.

[0217] discrete scale e x ,...,e y is the system parameter of the discrete coordinate system. The discrete s...

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Abstract

The invention takes the WEDM as an embodiment, and provides a stepping CNC system, a generating method of a machining file, and a real-time control method of a tool path curve. The tool path curve is planned with a high precision. A common G-code program is replaced by the machining file. A G-code programming is canceled. Therefore, compiling a machining program is as easy as writing a text message with the word, accordingly achieving the effect of 'operating a numerically-controlled machine tool like playing a cell phone, and programming as sending a message', thoroughly parting from the time of interpolation, and significantly lowering down the technical admittance limit as well as the cost of the CNC system. Technological parameters are subjected to a fine real-time control, thereby increasing the machining precision and the surface quality significantly, and providing an advantageous technological means for improving the machining precision and the surface quality of machining corners.

Description

technical field [0001] This application belongs to the field of advanced manufacturing, and specifically relates to a step-by-step computer numerical control system (Computer Numerical Control system, CNC system) and a method for generating processing files, which are used for wire-cut Electrical Discharge Machine (WEDM), laser CNC equipment such as cutting machines. technical background [0002] The basic principle of the existing CNC technology is that in one interpolation cycle, for different tool path curves, such as straight line or arc, the real-time operating system calls the linear interpolation module or the arc interpolation module, according to the feed speed, Use the linear interpolation algorithm or circular interpolation algorithm to calculate the feed amount of the relevant coordinate axes in the interpolation cycle, send it to the relevant servo driver, and drive the relevant coordinate axes to generate a composite displacement. Following the interpolation c...

Claims

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Application Information

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IPC IPC(8): G05B19/4103
CPCG05B19/4103G05B2219/33099G05B2219/45039G05B2219/45041
Inventor 江俊逢朱一行
Owner 江俊逢
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