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Complex revolving body contour measuring method and device capable of eliminating part positioning error

A positioning error and contour measurement technology, applied in the direction of measuring devices, optical devices, instruments, etc., can solve the problems of inability to eliminate the inclination error of the central axis and the theoretical axis, low work efficiency, long adjustment time, etc., and achieve easy programming Automatic execution, time-saving installation, and easy control effects

Inactive Publication Date: 2010-01-20
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Application Information

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Problems solved by technology

However, such a system is difficult to adjust, requires a long adjustment time, and the work efficiency is not high; at the same time, such an adjustment mechanism cannot eliminate the tilt error between the central axis and the theoretical axis

Method used

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  • Complex revolving body contour measuring method and device capable of eliminating part positioning error
  • Complex revolving body contour measuring method and device capable of eliminating part positioning error
  • Complex revolving body contour measuring method and device capable of eliminating part positioning error

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Embodiment Construction

[0032] The method and device for measuring the profile of a rotating body that can eliminate part positioning errors are described in detail as follows in combination with the embodiments and accompanying drawings:

[0033] see Figure 5 , the tested part 3 is placed on the rotary table, the rotary table 4 is installed on the instrument base 5 and connected with the instrument main shaft 9, the instrument main shaft 9 and the shaft sleeve 10 constitute a precision rotary shaft system; the first measuring head 1 and the second measuring head 2 are installed on the same height of the vertical guide rail system composed of the guide rail floating frame 8 and the vertical guide rail 6, and the first measuring head 1 and the second measuring head 2 are arranged radially on both sides of the measured object 3 Symmetrical distribution, can be arranged vertically or horizontally. Before the measurement, first calibrate the distance between the measuring heads, and make the two measur...

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Abstract

The invention belongs to the technical field of measuring instrument production and measurement, in particular a complex revolving body contour measuring method and device capable of eliminating part positioning error. The device comprises a vertical guide rail system consisting of a first measuring head and a second measuring head including an emitter capable of emitting parallel lights and a receiver formed by a high-accuracy linear array CCD, a revolving workbench, a base, a vertical guide rail and a floating frame. A revolving body workpiece to be measured is arranged on the revolving workbench, the first measuring head and the second measuring head can move up and down along with the floating frame along the vertical guide rail and are symmetrically and radially distributed at both sides of the revolving body workpiece to be measured, and the measuring range of the measuring heads is larger than the radius variable of the revolving body component to be measured. When a complex revolving body is measured by the method and the device, the influence of the part positioning error can be effectively and automatically eliminated, and the contour size and error of the complex revolving body can be fast measured.

Description

technical field [0001] The patent of the invention belongs to the technical field of measuring instrument manufacturing and measurement, in particular to a method and device for measuring the contour of a rotating body that can eliminate part positioning errors. Background technique [0002] The invention proposes a general rapid measurement method for measuring the profile of a complex revolving body, which is mainly used for the rapid measurement of the profile of a complex revolving body. [0003] For the profile of a complex rotating body, its fast and accurate measurement has always been a relatively difficult problem to solve. The existing methods for measuring the profile of a rotating body can be roughly divided into three types: [0004] 1. Contour template method: This method can only judge whether the contour of the rotating body is qualified or not, and cannot give the error size. At the same time, the method is affected by the operator, and the measurement acc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/245
Inventor 徐春广孟凡武郝娟肖定国周世圆贾玉平赵新玉冯忠伟尚妍
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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