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Method for fixing measured object from bottom surface

An object and bottom surface technology, applied in the field of three-dimensional measurement, can solve the problem of occupying the surface area of ​​the object, and achieve the effect of improving work efficiency and facilitating three-dimensional measurement

Inactive Publication Date: 2017-10-03
API ZC PRECISION INSTUMENT CO LTD
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  • Abstract
  • Description
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Problems solved by technology

[0003] The purpose of the present invention is to provide a method for fixing the measured object from the bottom surface, so as to solve the problems in the prior art that the object is clamped by the clamp during three-dimensional measurement, occupying the surface area of ​​the object, and the clamping part needs to be replaced to complete the entire measurement work. Complete the purpose of three-dimensional measurement

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  • Method for fixing measured object from bottom surface

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Embodiment 1

[0019] Such as figure 1 The shown method for fixing the measured object from the bottom surface includes the following steps: (a) setting a workbench for placing the measured object, and opening several through holes connected up and down on the surface of the workbench; (b) placing the measured object on the On the working table, make the measured object cover the through hole as much as possible; (c) start to draw air from the bottom of the covered through hole, so that the bottom of the measured object will generate negative pressure, and the negative pressure will absorb the measured object on the working table surface. The extraction of air in step (c) is carried out by a vacuum pump. A filter screen is arranged in the through hole. The diameter of the through hole is 2-5mm. In the present invention, a number of through holes connected up and down are provided on the surface of the workbench, and the measured object is placed on the workbench, so that the measured obje...

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Abstract

The invention discloses a method for fixing a measured object from the bottom surface. The method comprises the steps of: (a) arranging a workbench on which the measured object is placed, and forming a plurality of through holes, of which the upper and lower parts are communicated, in the surface of the workbench; (b) placing the measured object on the workbench, so that the measured object can cover the through holes as much as possible; (C) and extracting air from the below of the covered through holes, so that the bottom part of the measured object generates negative pressure and the measured object is absorbed on the surface of the workbench by means of the negative pressure. The invention aims to provide the method for fixing the measured object from the bottom surface, so as to solve the problems that the object surface area is occupied when the object is clamped by using a clamp and the whole measurement can only be completed through changing clamping portions during three-dimensional measurement in the prior art, and realizes the purpose of completing three-dimensional measurement in one step.

Description

technical field [0001] The invention relates to the field of three-dimensional measurement, in particular to a method for fixing a measured object from the bottom surface. Background technique [0002] With the continuous advancement of science and technology, three-dimensional measurement technology has gradually become a frontier research field. The current three-dimensional measurement technology still cannot be applied to large-scale measurement, but is more suitable for small-scale measurement, especially in a small amount of customization of high-end products. Therefore, this puts forward higher requirements for the degree of personalization of the three-dimensional measuring equipment. Existing three-dimensional measuring equipment, when it is necessary to rotate the side object, all rotate on the base, and the base is divided into rotatable or non-rotatable types according to needs. For the rotatable base, the drive device directly drives the base to rotate, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/20
CPCG01B21/20G01B5/0004
Inventor 刘宁李德维徐俊王伟
Owner API ZC PRECISION INSTUMENT CO LTD
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