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Coordinate Measuring Machines (view source)
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[[File:Coordinate Measuring Machines.gif|thumb|right|Coordinate Measuring Machines]] | |||
'''Coordinate Measuring Machine''' is a 3D device for measuring the physical geometrical characteristics of an object. This machine may be manually controlled by an operator or it may be computer controlled. Measurements are defined by a probe attached to the third moving axis of this machine. Probes may be mechanical, optical, laser, or white light, amongst others. A machine which takes readings in six degrees of freedom and displays these readings in mathematical form is known as a CMM. | '''Coordinate Measuring Machine''' is a 3D device for measuring the physical geometrical characteristics of an object. This machine may be manually controlled by an operator or it may be computer controlled. Measurements are defined by a probe attached to the third moving axis of this machine. Probes may be mechanical, optical, laser, or white light, amongst others. A machine which takes readings in six degrees of freedom and displays these readings in mathematical form is known as a CMM. | ||
==Description== | ==Description== | ||
The typical 3 bridge CMM is composed of three axes, an X, Y and Z. These axes are orthogonal to each other in a typical three dimensional coordinate system. Each axis has a scale system that indicates the location of that axis. The machine will read the input from the touch probe, as directed by the operator or programmer. The machine then uses the X,Y,Z coordinates of each of these points to determine size and position with micrometre precision typically. | The typical 3 bridge CMM is composed of three axes, an X, Y and Z. These axes are orthogonal to each other in a typical three dimensional coordinate system. Each axis has a scale system that indicates the location of that axis. The machine will read the input from the touch probe, as directed by the operator or programmer. The machine then uses the X,Y,Z coordinates of each of these points to determine size and position with micrometre precision typically. | ||
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Traditional CMM technology using touch probes is today often combined with other measurement technology. This includes laser, video or white light [[Sensors]] to provide what is known as multi-sensor measurement. | Traditional CMM technology using touch probes is today often combined with other measurement technology. This includes laser, video or white light [[Sensors]] to provide what is known as multi-sensor measurement. | ||
==Sources== | ==Sources== | ||
[http://en.wikipedia.org/wiki/Coordinate-measuring_machine Wikipedia | [http://en.wikipedia.org/wiki/Coordinate-measuring_machine Wikipedia Coordinate Measuring Machines] | ||
Coordinate Measuring Machines] | |||