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Method for operating coordinate measuring machine

A technology of coordinate measuring machine and coordinate measuring system, which is applied in the direction of measuring device, mechanical measuring device, mechanical device, etc., and can solve the problem of placing foreign objects and forgetting where they are

Inactive Publication Date: 2018-04-24
CARL ZEISS IND MESSTECHN GMBH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, a problem that often arises when operating a coordinate measuring machine is that foreign objects may be present in the measurement space in which the coordinate measurement is carried out (also referred to as the measurement volume), which foreign objects, for example, have been inadvertently placed or left there

Method used

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  • Method for operating coordinate measuring machine
  • Method for operating coordinate measuring machine

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Embodiment Construction

[0048] figure 1 The coordinate measuring machine 1 depicted in is schematically depicted. This is a gantry coordinate measuring machine. Workpieces can be arranged on the measuring table 2 . In the depicted example, a workpiece 17 is arranged on the measuring table 2 together with a foreign body 18 .

[0049] Two upwardly protruding elongated supports 3 a , 3 b of the portal extend above the surface of the measuring table 2 . As indicated by the double-headed arrows extending in the X direction, the supports 3a, 3b are movable in a first horizontal direction. This movement is controlled by the controller 10 of the coordinate measuring machine 1 . Furthermore, a crossbeam 5 of the gantry on which the quill 4 of the coordinate measuring machine 1 is guided displaceably in the Y direction has been placed on the supports 3a, 3b. The Y direction is likewise aligned parallel to the surface of the measuring table 2 and runs perpendicular to the X direction. Finally, a tactile p...

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Abstract

The invention relates to a method for operating a coordinate measuring machine, comprising storing a geometry information item about a workpiece to be measured in a controller or a measuring computerof the coordinate measuring machine; determining the position and / or orientation of the workpiece in a measuring space of the coordinate measuring machine, storing an information item about the position and / or orientation in the controller or the measuring computer; determining a free measuring volume, outside the workpiece, based on the geometry information item about the workpiece and the information item about the position and / or orientation of the workpiece; starting the measuring operation for measuring coordinates of the workpiece, wherein a coordinate measuring system is moved in the free measuring volume and measures the coordinates of the workpiece; monitoring the measuring space or the free measuring volume through a sensor during the measuring operation of the coordinate measuring machine, wherein whether a foreign body is present in the free measuring volume or is introduced into the free measuring volume is determined by detecting the foreign body by means of the sensor during the monitoring process, if a foreign body is present in the free measuring volume, the coordinate measuring system is moved to go over the foreign body.

Description

technical field [0001] The invention relates to a method for operating a coordinate measuring machine taking into account foreign bodies in the measurement volume. Background technique [0002] A coordinate measuring machine (hereinafter abbreviated as KMG or CMM) is based on the principle of coordinate measurement and includes a measuring system suitable for measuring spatial coordinates. KMG is often used for quality control. [0003] The use of additional cameras in coordinate measurement is known. Thus, in the method described, for example, in DE 43 27 250 A1, under visual control by means of a monitor connected to a camera, the detection elements of the KMG are driven to points on the workpiece to be mechanically sensed. [0004] The camera described in DE 10 2010 014 423 is pointed at the measuring field on the measuring table of the KMG and has a workpiece in its field of view. The workpiece is identified from the camera image, and the position of the workpiece on ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00G01B17/00
CPCG01B11/005G01B17/00G01B5/008G01B21/047
Inventor M.兰普P.威利尔
Owner CARL ZEISS IND MESSTECHN GMBH
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