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Apparatus and method for the measurement of objects

A technology of three-dimensional measurement and detection equipment, which is applied in the direction of measuring devices, mechanical measuring devices, instruments, etc., and can solve problems such as difficult and stress-free measurement

Pending Publication Date: 2020-06-02
CARL ZEISS GOM METROLOGY GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is not easy to ensure a stress-free measurement because the component is supported in any way during the measurement in the component holder

Method used

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  • Apparatus and method for the measurement of objects
  • Apparatus and method for the measurement of objects
  • Apparatus and method for the measurement of objects

Examples

Experimental program
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Embodiment Construction

[0042] figure 1 A schematic view of the component 1 held on the support point 2 is shown. In this case, the component receptacle, which is only indicated schematically here, locks exactly six possible degrees of freedom of the component in the bearing point 2 . In the bearing point 2, movements in three directions and rotations about all three axes of rotation are blocked. For example, a support point 2 of this type can be realized by clips.

[0043] figure 2 A schematic diagram shows a component 1 , which is held in the component holder at three bearing points, wherein the bearing points 3 , 4 , 5 delimit the component 1 with a different number of degrees of freedom in each case. The limits of movement at the respective bearing points 3 , 4 , 5 are indicated by arrows.

[0044] The support point 3 constrains the component 1 in three degrees of freedom. For example, the support point 3 is an elastomeric fulcrum. The part 1 is held on a support point 3 of this type, prev...

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Abstract

The invention relates to an apparatus for receiving an object for three-dimensional measurement. The apparatus includes at least one bearing point for bearing the object, the at least one bearing point being configured to limit the object movement in at least one degree of freedom of the object and the entirety of all used bearing points being configured to limit the object movement in exactly alldegrees of freedom of the object.

Description

technical field [0001] The invention relates to a device for receiving an object in order to measure the object by means of tactile or optical measuring methods, and to a method for determining the stress-free state of the object by means of the device. Background technique [0002] The measurement of the 3D geometry of objects is a common measurement task which is used in a large number of industries, for example for various components such as sheet metal, tools or injection molded parts. [0003] One known measurement method for forming 3D measurement data describing the surface of a measurement object is topological measurement. For this purpose, the object to be measured is illuminated by a projector with a pattern, in particular a strip pattern, the projected pattern is recorded by one or more image recording units and subsequently evaluated by an evaluation unit. [0004] During quality monitoring, the 3D measurement data of the component are usually compared with a t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/25
CPCG01B11/2518G01B5/0004G01B5/0016G01B2210/62G01B11/24G01B21/045G01B11/002G01B11/26G06T17/00
Inventor O.阿博-纳穆斯J.塞辛A.齐默曼W.瓦姆博尔德
Owner CARL ZEISS GOM METROLOGY GMBH
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