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Formtester Provides the Measurement of Surface Finish Parameters

Fri, 05/06/2011 - 7:53am
Formtester Provides the Measurement of Surface Finish Parameters

Mahr Federal will be featuring the new option package for its well-known MarForm MMQ 200 Formtester at MD&M EAST, June 7-9, 2011, at the Jacob K. Javits Convention Center, New York, NY. Mahr Federal will occupy booth #1781.

The new option package for the MarForm MMQ 200 Formtester provides the measurement of surface finish parameters according to accepted ISO, ASME, and JIS standards. With the combined hardware/software MMQ 200 Surface Finish option, operators will benefit from reduced set-up and measurement cycle time, and reduced cost by needing only a single piece of equipment for both form and surface measurements.

According to Pat Nugent, Vice President for Metrology Products at Mahr Federal, the Surface Finish Option will make the MMQ 200 an excellent choice for a number of medical applications. "We have customers that make orthopedic implants using this system to measure the roundness and other parameters on the spherical balls of hip joints. And we have another customer that makes medical imaging equipment that is using one of these systems to measure the bearings, shafts, and other components for roundness, cylindricity, runout, flatness, perpendicularity, etc."

MMQ 200 was designed with roughness measurements in mind, and can sample data with spacing down to 0.5 microns, well within accepted international standards for roughness measurement. The roughness option package utilizes the same skidded diamond-tipped PHT stylus as is used on Mahr Federal's PS1 and M300 surface finish machines, and the same MarWin-based surface finish software as the MarSurf XR 20. The stylus is mounted opposite the ruby-tipped form probe on the MMQ 200's motorized T7W probe head. The MMQ 200 automatically swivels the probe to apply the diamond stylus, and changes from horizontal to vertical measurement as needed, utilizing standard surface finish parameter cut-off lengths. A skidless probe measuring option is also available.

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