Device and method for detecting inclination angle error of laser displacement sensor
A laser displacement and detection device technology, which is applied in the direction of measuring devices, optical devices, instruments, etc., can solve the problems of low precision, inaccurate measurement, and inability to obtain results, so as to achieve the effect of ensuring accuracy and widening the scope of application
Inactive Publication Date: 2013-04-17
DALIAN UNIV OF TECH
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Problems solved by technology
In the current method for measuring the inclination angle error, the specific value of the error at any inclination angle cannot be obtained, the operability is poor, the measurement is not accurate, and the precision is not high
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[0022] Detailed description of the specific embodiment of the present invention in conjunction with the accompanying drawings, the measurement principle of the present invention is: as Figure 4 As shown, under the premise of ensuring that the displacement of the laser displacement sensor 17 to the experimental measured surface a remains unchanged, the inclination angle α of the experimental measured surface a is changed to measure the inclination angle error. as attached figure 1 As shown, before the measurement starts, the fixture assembly II is locked on the Z-axis I of the machine tool spindle; the inclination angle platform measurement assembly III is placed on the horizontal working platform IV of the machine tool, and the central axis of the inclination angle rotation measurement axis 9 is roughly in line with the X axis of the machine tool. The axes are parallel and fastened by the pressure plate 5. Connect the stepping motor 6 with the driver, the control unit, and t...
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The invention discloses a device and a method for detecting inclination angle error of a laser displacement sensor, and belongs to the field of error detection and compensation. The detection device consists of a sensor clamp assembly and an inclination angle measurement platform assembly, wherein the sensor clamp assembly consists of an adjusting plate, a clamp pedestal, a hexagon nut, a clamp rod, a cross pan head bolt, a bolt and a fine tuning bolt; and the inclination angle measurement platform assembly consists of an inner hexagon bolt, a pedestal, a No.1 sleeve, an end cover, a No.2 sleeve, a pair of angular contact ball bearings, a No.3 sleeve and a measurement platform support. The detection method for dynamically searching edges by adopting the laser displacement sensor ensures that the emergent rays of the laser displacement sensor are accurately projected to an experimental measured surface center line. The device realizes measurement of the inclination angle error, provides data basis for subsequent inclination angle error compensation, and has high measurement precision, simple operation and strong practicability.
Description
technical field [0001] The invention belongs to the field of error detection and compensation, and in particular relates to a tilt angle error detection device and a detection method using a triangulation laser displacement sensor. Background technique [0002] With the continuous expansion of the industrial measurement field and the continuous improvement of the measurement accuracy and measurement speed, the traditional contact measurement has been unable to meet the needs of the industry. Non-contact measurement has become a hot spot in the field of measurement because of its good accuracy and real-time performance. With the rapid development of electronics and optical technology, the emergence of semiconductor lasers, photoelectric position detectors (PSDs) and charge-coupled devices (CCDs) and the continuous improvement of their performance, the laser displacement sensor based on triangulation measurement (hereinafter referred to as laser Displacement sensor) has beco...
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IPC IPC(8): B23Q17/24G01B11/26
Inventor 王永青陶冶黄潇苹刘海波卢艳峰刘巍盛贤君
Owner DALIAN UNIV OF TECH