Method, system and device for measuring five-axis structural error of mirror milling system
A technology of mirror milling and error measurement, applied in general control systems, control/adjustment systems, program control, etc., can solve problems such as inability to mirror motion error measurement and correction
Active Publication Date: 2019-06-14
AVIC BEIJING AERONAUTICAL MFG TECH RES INST
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Problems solved by technology
Siemens has developed a mirror milling process package to realize the mirror motion control of two devices, but it cannot measure and correct the mirror motion error
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[0049] The features and exemplary embodiments of various aspects of the present invention will be described in detail below. The detailed description and drawings of the following embodiments are used to illustrate the principle of the present invention, but not to limit the scope of the present invention, that is, the present invention is not limited to the described preferred embodiments, and the scope of the present invention is defined by the claims. . In the drawings and the following description, at least part of the well-known structures and technologies are not shown to avoid unnecessary obscurity of the present invention. In addition, the features, structures or characteristics described below may be combined in one or more embodiments in any suitable manner.
[0050] The present invention is carried out on a skin mirror mirror milling processing equipment. Aiming at the problem that the CNC milling processing head and the following support mechanism are difficult to op...
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The invention relates to five-shaft structure error measuring method of a mirror image milling system, a system and a device thereof. The method comprises the steps of constructing a geometric model,based on a multi-body system kinetic theory, constructing a geometric model of spatial positioning errors of a cutter central point P0 of a mill image milling processing area and a supporting centralpoint P1 of a supporting head in a motion process; acquiring pose data, through a displacement measuring device on a processing head of the mirror image milling system, acquiring pose (position and attitude) data of P0 and P1 in a preset measuring path; calculating a dynamic error, performing calculation processing on the acquired pose data of the P0 and P1, and obtaining a characteristic value ofthe motion error of the five-shaft structure; and performing data feedback adjustment, and based on the characteristic value of the five-shaft structure, performing feedback of the error compensationdata of the five-shaft structure to the control system of the image mirror milling system, making adjustment of the five-shaft structure according to error compensation data by the control system, sothat the supporting head performs synchronous movement with the processing head.
Description
Technical field [0001] The invention relates to the technical field of machine tool equipment, in particular to a five-axis structural error measurement method, system and device of a mirror milling system. Background technique [0002] With the continuous development of manufacturing technology, mirror milling technology has become a new technology for skin processing and the main method for machining large thin-walled components in the future. In practice, due to various factors such as thermal deformation, friction, vibration and inertia during the manufacturing, assembly, control and movement processes, the five-axis structure error will be caused, which makes the actual movement trajectory of the equipment difficult to match the ideal trajectory, resulting in processing errors and affecting The machining accuracy of the workpiece is improved. [0003] The mirror milling equipment involves a five-axis CNC milling processing head and a five-axis structure following support mech...
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IPC IPC(8): G05B19/401
CPCG05B19/401
Inventor 张盛桂高诚何昭岩郑博森李中凯
Owner AVIC BEIJING AERONAUTICAL MFG TECH RES INST