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An optical calibration method for ribbon projection in a magnetorheological processing device

A processing equipment and magnetorheological technology, applied in the direction of using optical devices, measuring devices, instruments, etc., to achieve accurate and reliable measurement results, high measurement accuracy, and elimination of deviations

Active Publication Date: 2016-12-14
长春长光大器科技有限公司
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Problems solved by technology

[0003] In view of this, the present invention provides an optical calibration method for ribbon protrusions in magnetorheological processing equipment. The calibration method adopts a non-contact laser scanning measurement method, which can solve the problems in magnetorheological processing. Problems in measuring the convex profile of magnetorheological fluid ribbons in the magnetic field

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  • An optical calibration method for ribbon projection in a magnetorheological processing device
  • An optical calibration method for ribbon projection in a magnetorheological processing device

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[0019] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0020] The present invention provides an optical calibration method for ribbon protrusions in magnetorheological processing equipment. The equipment used in the method includes a CNC machine tool turntable, a high-speed laser profile scanner and magnetorheological processing equipment, wherein, as attached figure 1 As shown, the magnetorheological processing equipment includes a magnetorheological fluid circulation system, a polishing wheel 4, a permanent magnet 5, a permanent magnet fixing mechanism 6 and a polishing wheel fixing mechanism 7, and the permanent magnet fixing mechanism 6 and the polishing wheel fixing mechanism 7 are fixedly connected On the turntable of the CNC machine tool, the polishing wheel 4 is installed on the polishing wheel fixing mechanism 7, and the permanent magnet 5 is fixed on the permanent magnet fixing mechanism 6 and is posi...

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Abstract

The invention relates to an optical calibration method for ribbon projection in a magnetorheological processing device, and belongs to the technical field of optical processing. In this method, a polishing wheel is placed just above a laser exit port of a scanner, and a high-speed laser profile scanner is used to scan the profile of a magneto-rheological fluid ribbon projection on the bottom of the polishing wheel in a certain range; then three-dimensional data obtained through the scanning is analyzed to obtain related information such as the spatial relation between the central position of the ribbon projection and a mirror surface, whether the ribbon projection is at the bottommost portion of the spherical surface of the polishing wheel, whether the convex profile of the magneto-rheological liquid ribbon is consistent in a certain range, the stability characteristics of a magnetorheological fluid reflected by changes of the ribbon projection profile with time at a same position and preliminary determination of a virtual axis angle of a magneto-rheological processing equipment The method of the invention can solve the problem of measuring the convex profile of the magnetorheological fluid ribbon projection in a magnetic field process in the magnetorheological processing technology.

Description

technical field [0001] The invention relates to the technical field of optical processing, and is especially suitable for the optical measurement of the profile of magnetorheological fluid ribbon protrusions in magnetorheological processing equipment. Background technique [0002] The processing of optically complex curved surfaces generally adopts CCOS technology, that is, computer-controlled small grinding head processing technology. In the traditional process, the grinding head uses optical asphalt material. This process can give full play to its advantages when the surface accuracy of the optical element is low, but it is not very satisfactory when it is high-precision due to the instability of the process removal function. After nearly 20 years of development, the magnetorheological optical processing technology has become more and more mature. This process has a series of advantages: high stability of removal function, high material removal rate for some materials, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/24
CPCG01B11/24
Inventor 张学军王旭薛栋林王孝坤张斌智
Owner 长春长光大器科技有限公司
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