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Laser cutting processing path optimization method

A technology of processing path and optimization method, applied in computer-aided manufacturing CAM and laser cutting, computational geometry field, can solve product quality problems and other problems, and achieve the effect of time stability, reliability and strong robustness

Active Publication Date: 2022-05-20
ZHEJIANG UNIV
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Problems solved by technology

However, since the parts group usually includes parts of different shapes and different arrangement densities, directly adopting the processing method in the prior art will cause product quality problems

Method used

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  • Laser cutting processing path optimization method
  • Laser cutting processing path optimization method
  • Laser cutting processing path optimization method

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Embodiment Construction

[0043] The technical solutions of the present invention will be described in further detail below in conjunction with the accompanying drawings, and the following examples are not intended to limit the present invention.

[0044] The flow chart of a laser cutting processing path optimization method of the present invention is as follows figure 1 As shown, the specific implementation steps are as follows:

[0045] Step 101: Input the part set {P with outline information to be cut i }, where i∈[1,n], n is the total number of parts.

[0046] The part group collection includes at least one part, and each part is composed of at least one contour, and each contour is composed of a series of points, and adjacent points form a line segment of the contour.

[0047] like figure 2 As shown, for all the input parts that need to be cut, there should be at least one line segment in all the arranged parts that needs to be processed by a special process, that is, the two end p...

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Abstract

The invention provides a method for optimizing a laser cutting processing path, which comprises the following steps of: transmitting a process mark stored in a point on an original part contour to a point of a corresponding part processing path by a method of expansion bias and point inclusion so as to obtain a processing path with the process mark; machining parameters corresponding to different machining marks are set in the laser cutting machine, the machining parameters needed by each line segment are judged in the cutting process, and therefore the purpose of cutting the parts in a classified mode is achieved. The method is stable, reliable, high in robustness, wide in adaptability and suitable for actual laser cutting machining.

Description

technical field [0001] The invention belongs to the technical fields of computational geometry, CAM (Computer aided manufacturing) and laser cutting, and in particular relates to a laser cutting processing path optimization method. Background technique [0002] With the rapid development of science and technology and the popularization of computers, computer-aided design has gradually replaced many tedious tasks, making computers no longer just an efficient computing tool, but also a helper to help people in creative design work. Among them, computational geometry is one of the basic theories that computers can realize this function. The definition of computational geometry is: "The computer representation, analysis and synthesis of geometric shape information". Its main research content is the mathematical description and computer representation of geometric shapes. A mathematical model is established through a series of discrete points or characteristic polygons, and then...

Claims

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Application Information

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IPC IPC(8): B23K26/38B23K26/70G05B19/19
CPCB23K26/38B23K26/702G05B19/19
Inventor 胡玘瑞林志伟刘博刘继辉傅建中
Owner ZHEJIANG UNIV
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