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Polar coordinate gear measurement center and zero calibrating method thereof

A technology for gear measurement and zero point calibration, which is applied to measurement devices, instruments, optical devices, etc., to achieve the effects of simple method, reliable accuracy and simple structure

Active Publication Date: 2015-07-01
XIAN TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The common problem of the above measurement methods is: in the measurement process, there must be a movement of the T axis to ensure that different position points can be obtained

Method used

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  • Polar coordinate gear measurement center and zero calibrating method thereof
  • Polar coordinate gear measurement center and zero calibrating method thereof
  • Polar coordinate gear measurement center and zero calibrating method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] see figure 2 , using a one-dimensional needle-point probe, the force is measured perpendicular to the R direction. The specific steps are:

[0038] 1. After the polar coordinate gear measurement center is powered on, the indication value of each axis grating will be cleared. Place the involute sample on the rotary shaft table 4, and manually move the probe 3 to position 1 on one side of the working surface of the involute sample;

[0039] 2. The rotary axis table 4 drives the involute sample plate to rotate, so that the involute sample plate is in contact with the measuring head 3, and the coordinate values ​​(R1, q1) of the measuring head are obtained by measuring;

[0040]3. The measuring head 3 moves to the position 2 along the R direction, and the rotary axis table 4 drives the involute model to rotate, and contacts with the measuring head 3, and the current coordinate of the measuring head 3 is (R2, q2);

[0041] 4. Repeat step 3 to obtain a series of probe 3 c...

Embodiment 2

[0043] see image 3 , using a one-dimensional spherical probe, the force is perpendicular to the R direction. The specific steps are:

[0044] 1. After the polar coordinate gear measurement center is powered on, the indication value of each axis grating will be cleared. Place the involute sample on the rotary shaft table 4, and manually move the probe 3 to position 1 on one side of the working surface of the involute sample;

[0045] 2. The rotary axis table 4 drives the involute sample to rotate, so that the involute sample is in contact with the probe 3, and the coordinate value (R10, q10) of the sphere center of the probe 3 is obtained by measurement; the involute can be obtained by performing radius compensation of the probe Coordinates of points on the template ((R1, q1));

[0046] 3. The measuring head 3 moves to position 2 along the R direction, and the rotary axis table 4 drives the involute sample to rotate, and contacts with the measuring head 3, and the coordinat...

Embodiment 3

[0049] For the polar coordinate gear measurement center using a three-dimensional measuring head, the method in Embodiment 2 can be used for zero point calibration.

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Abstract

The invention relates to the technical field of coordinate measuring machines, in particular to a polar coordinate gear measurement center and a zero calibrating method thereof and aims at achieving zero calibration of the polar coordinate gear measurement center. For overcoming the existing technical problems, the solving scheme is that the polar coordinate gear measurement center comprises a working platform, wherein a measuring head moving assembly and a rotating shaft platform are arranged on the working platform, a lower tip is coaxially installed on the rotating shaft platform, and an upper tip support is arranged on the outer side of the rotating shaft platform. The measuring head moving assembly comprises an R-direction guide rail carriage and a Z-direction guide rail carriage, wherein the Z-direction guide rail carriage is arranged on the R-direction guide rail carriage, and a measuring head is arranged at the installing end of a Z-direction guide rail assembly. The polar coordinate gear measurement center is simple in structure and method and reliable in accuracy.

Description

technical field [0001] The invention relates to the technical field of coordinate measuring machines, in particular to a polar coordinate gear measurement center and a zero point calibration method thereof. Background technique [0002] The gear measurement center is the crystallization of the integrated application of information technology, computer technology and numerical control technology on gear measuring instruments, and is a milestone in the development of coordinate gear measuring instruments. It is mainly used for the detection of single geometric accuracy of gears, and can also be used for the measurement of the overall error of gears. It has the characteristics of wide measurement range, high precision and high efficiency. [0003] The known gear measurement center is essentially a four-coordinate measuring machine—cylindrical coordinate measuring machine—with one rotary axis and three linear axes (R axis, T axis, and Z axis). When in use, the workpiece is in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/00
Inventor 卢春霞王建华劳奇成李少康陈晓东张新华张盟张渝
Owner XIAN TECH UNIV
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