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Coordinate Measuring Machines (CMM’s). Charlie McLean CEE 398. Components. The machine itself many types strong granite base precision engineering The measuring probe electronic touch all shapes and sizes. Components (cont). The control or computing system operator controled
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Coordinate Measuring Machines(CMM’s) • Charlie McLean • CEE 398
Components • The machine itself • many types • strong granite base • precision engineering • The measuring probe • electronic touch • all shapes and sizes
Components (cont) • The control or computing system • operator controled • computer numerical control • PC • The measuring software • automatic everything • CAD • 3-D graphics windows
Types of CMM’s • Articulated arm • portable or tripod mounted • probe can be placed in many different directions • Bridge • horizontally suspended • x-axis carries the bridge
Types of CMM’s (cont) • Cantilever • supports probe from movable vertical support • Gantry • frame structure raised on side supports • similar to bridge style
Mounting Options • Benchtop • Freestanding • Handheld • Portable
Common Applications • Dimensional measurement • Profile measurement • Angularity or orientation • Depth mapping • Digitizing or imaging • Shaft measurement
X,Y,Z measurement length Resolution Workpiece weight Control Operation Mounting Options Probe/Sensor type Application features General applications Buying CMM’s Specifications
Companies L.S. Starret Co. Helmel LK Metrology Systems Mahr Federal Inc. Faro Technologies, Inc. Carl Zeiss, Inc. Cost Wide range depending on CMM Buying CMM’s (cont)
References • http://www.helmel.com/ • http://process-equipment.globalspec.com/ • http://www.coord3.com/ • http://www.starrett.com/ • http://www.qualitymag.com • http://www.zeiss.de/