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Method and system for error compensation of ac five-axis waterjet cutting

A technology of error compensation and compensation amount, which is applied in the field of AC five-axis water cutting error compensation, which can solve problems such as difficulty and complex structure of five-axis machine tools, and achieve the effect of wide application range.

Active Publication Date: 2018-09-28
SHANGHAI WEIHONG ELECTRONICS TECH +1
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Problems solved by technology

[0004] Due to the complex structure of the five-axis machine tool, various errors may occur, and it is very difficult to accurately measure the size of each error

Method used

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  • Method and system for error compensation of ac five-axis waterjet cutting
  • Method and system for error compensation of ac five-axis waterjet cutting
  • Method and system for error compensation of ac five-axis waterjet cutting

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Embodiment Construction

[0072] In order to describe the technical content of the present invention more clearly, further description will be given below in conjunction with specific embodiments.

[0073] The method for error compensation of the AC five-axis waterjet cutting comprises the following steps:

[0074] (1) Determine the first trial cutting tool path and vertically process the first workpiece according to the first trial cutting tool path, the first workpiece is a cylinder, and the top view surface of the cylinder includes at least the first A rectangle, a second rectangle and a third rectangle, the first rectangle and the third rectangle are parallel to each other and are connected vertically to the second rectangle, and are located on both sides of the second rectangle;

[0075] (2) According to the first trial cutting tool path with the inclination angle V 1 Process the second workpiece;

[0076] (3) The above-mentioned top view plane is axisymmetric and rotated 90° counterclockwise as...

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Abstract

The invention relates to an AC five-axis water cutting error compensation method which comprises the following steps that (1) a first trial cutter path is determined and a first workpiece is processed perpendicularly according to the first trial cutter path; (2) a second workpiece is processed according to the first trial cutter path; (3) a down-look surface is subjected to axial symmetry and rotated by 90 degrees counterclockwise to be taken as a second trial cutter path, and a third workpiece is processed with an inclined angle V1 according to the second trial cutter path; (4) the widths of the second rectangles of the first workpiece, the second workpiece and the third workpiece are measured respectively and marked as L1, L2 and L3 respectively, and an included angle of the A axis and the C axis in the cutter bit structure is recorded as V2; (5) error compensation is performed according to the V1, V2, L1, L2 and L3. The invention further discloses an AC five-axis water cutting error compensation system. With the adoption of the method and the system, the problem that processing deformation caused by the error of a non-cutter-length AC five-axis water cutting head mechanism is solved, the processing accuracy is improved, and the method and the system have a wide application range.

Description

technical field [0001] The invention relates to the technical field of numerical control processing software, in particular to the technical field of five-axis water cutting, and specifically refers to a method and system for error compensation of AC five-axis water cutting. Background technique [0002] With the increasing requirements of the water cutting market for processing technology, for example: to have a higher precision mosaic process, the application of water cutting is gradually biased towards five-axis to meet the more difficult process requirements. [0003] Mechanism errors will inevitably occur during the assembly process of the machine tool. Mechanism errors will cause deformation of the processed workpiece during five-axis linkage processing. This deformation is not only the overall enlargement or reduction of the size, but the deformation direction and The size is related to the angle and size of the current rotation axis, so the compensation function is e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23D79/00
CPCB23D79/00
Inventor 高瑶孙玉财周泉清
Owner SHANGHAI WEIHONG ELECTRONICS TECH
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