Calibration method for digital display height gauge indicating value error

A technology of display error and calibration method, applied in measuring devices, instruments, mechanical devices, etc., can solve the problems of cumbersome process, low reliability, digital display height gauge display value error, etc., to improve product accuracy, improve Product qualification rate and the effect of improving accuracy

Inactive Publication Date: 2015-03-11
康春平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method for calibrating the display value error of a digital display height gauge, which solves the shortcomings of cumbersome process and low reliability when calibrating the display value error of the existing digital display height gauge

Method used

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Embodiment Construction

[0013] The present invention will be described in detail below in combination with specific embodiments.

[0014] The invention provides a method for calibrating the display value error of a digital display height gauge, the specific process is as follows:

[0015] A number of nodes are set in sequence on the distance of rotating the moving grid for one circle, the length of each node is measured in turn and its original error is recorded, and then a new original error is artificially added to the indication value of each node to offset the original original error Make corrections, and finally re-input the corrected results into the chipset of the digital display height gauge, and complete the calibration process of the display value error of the digital display height gauge.

[0016] There are 200 nodes at equal intervals, that is, the distance of one rotation of the moving grid is equally divided into 200 pitches. The division of nodes on the moving grid can be adjusted appr...

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Abstract

The invention discloses a calibration method for a digital display height gauge indicating value error. The process is listed as follows: multiple nodes arranged on distance at which a dynamic grid rotates a circle are divided into multiple pitches, and length of each pitch is measured in turn and an original error is recorded; then a new original error is artificially added into each pitch so as to counteract the existing original error; and finally the corrected results are inputted to the chip set of a digital display height gauge again so that the calibration process of the digital display height gauge indicating value error is completed. According to the calibration method for the digital display height gauge indicating value error, defects of complicated process and low reliability in existing digital display height gauge indicating value error calibration are solved. According to the calibration method for the digital display height gauge indicating value error, the indicating value error is calibrated and influence of deformation of main gauge hardware on the digital display height gauge indicating value is reduced so that precision of the digital display height gauge is greatly enhanced, the measurement error is reduced, and thus the digital display height gauge is enabled to possess a line scribing function and a metering function.

Description

technical field [0001] The invention belongs to the technical field of height gauges, and in particular relates to a method for calibrating display value errors of digital display height gauges. Background technique [0002] After the digital display height gauge is assembled, if there is a large error, the existing method can only be to calibrate the hardware. There are two ways: one is to perform external force alignment on the main ruler hardware (that is, the ruler body or the rack) Deformation to achieve error compensation and form qualified products, but the disadvantage of this method is that it is easy to produce springback, resulting in unstable indication. If the method of external force alignment cannot solve the problem of excessive error, the chip can only be replaced, and the error can be reduced by selecting a suitable chip. The disadvantage of this method is that the chip needs to be matched and the reliability is not high. Contents of the invention [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/02
Inventor 康春平
Owner 康春平
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