Numerical control machining method and numerical control machining equipment
A processing method and processing equipment technology, applied in the direction of program control, computer control, general control system, etc., can solve the problems that the accuracy and efficiency cannot meet the production needs, and achieve the effect of smooth processing trajectory
Pending Publication Date: 2021-11-30
SYMG SHANGHAI INTELLIGENCE SYST CO LTD
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Problems solved by technology
[0006] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a numerically controlled machining method and numerically controlled machining equipment, which are used to solve the problem that the accuracy and efficiency of the micro-segment smoothing compression processing method used for numerically controlled machining in the prior art cannot meet the production requirements. need question
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[0044] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.
[0045] It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, so only the components related to the present invention are shown in the drawings rather than the number, shape and Dimensional drawin...
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The invention provides a numerical control machining method and numerical control machining equipment. The numerical control machining method comprises the following steps of (1) continuous micro-segment recognition: recognizing a continuous micro-segment part needing smooth compression according to the length between programming points of a program segment to be machined and a vector angle; 2) node vector parameterization: parameterizing programming points for a continuous micro-segment part needing smooth compression to obtain node vector parameters corresponding to the programming points; 3) solving a first-order tangent vector: constructing an interpolation curve through four continuous programming points to calculate the first-order tangent vector corresponding to the programming points; 4) smoothly compressing the program segment: compressing the programming point into a spline curve according to the programming point instruction value of the continuous micro-segment to be smoothly compressed and the corresponding first-order tangent vector value; and checking whether the Euclidean distance from the programming point to the corresponding spline point meets the machining precision or not, and correspondingly adjusting the control point to perform error control. The numerical control machining method and the numerical control machining equipment are used for smoothing the machining track within the precision range.
Description
technical field [0001] The invention relates to the technical field of numerical control machining, in particular to a numerical control machining method and numerical control machining equipment. Background technique [0002] In CNC machine tool processing, free curves and free-form surfaces have been widely used in mold processing, auto parts processing and aviation parts processing. However, the fast and high-quality processing of free curves and curved surfaces has always been a difficult point in processing. In the processing of the free curve or curved surface of the existing numerical control system, generally the CAM (Computer-aided manufacturing, computer-aided manufacturing system) software uses a large number of tiny line segments to approach the designed free curve or curved surface, and then the numerical control system According to the linear interpolation mode (G01 mode), a large number of tiny straight line segments produced by the CAM software approaching t...
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IPC IPC(8): G05B19/4099G05B19/41
CPCG05B19/4099G05B19/41G05B2219/34083Y02P90/02
Inventor 朱志浩朱蓓赵建华邱明勇杨锦涛邹志强
Owner SYMG SHANGHAI INTELLIGENCE SYST CO LTD