Product category:
Form/co-ordinate, optical and vision instrumentation
News Release from: Mahr Federal | Subject: MarForm MMQ 400 Formtester
Edited by the Engineeringtalk Editorial
Team on 13 November 2006
Measurement system rewrites the form
book
Mahr has taken its many years of experience in form measurement systems back to the drawing board and has emerged with an entirely new, fully automated system for the measurement of form and position.
Mahr has taken its many years of experience in form measurement systems back to the drawing board and has emerged with an entirely new, fully automated system for the measurement of form and position The new MarForm MMQ 400 Formtester is a ground up design which is more robust, less sensitive to environmental influences, faster, more flexible and more accurate than comparable systems on the market today
This article was originally published on Engineeringtalk on 31 Jul 2003 at 8.00am (UK)
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"Our goal with the new MMQ 400 design was to improve on our very popular MMQ 44 series", said Tim Johnson, Senior Product Manager for Mahr Federal, Mahr's US operation.
"We've succeeded with an instrument that is best in class".
In addition to an entirely new look, the MMQ 400 offers an impressive array of features that make it stand out from the pack, including extremely solid construction with a generously dimensioned, reinforced steel base.
Further reading
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The Digimar CX2 family of digital height gauges offer a combination of features and performance previously available only in a higher price range.
Measuring machine uses many methods
The newest member of the Mahr Federal family of multisensor measuring machines is designed to provide a cost-effective, mid-sized solution for high precision applications.
All mechanical components have been optimised in CAD with Finite Element Methods and all motors and electronic components have been thermally isolated to enhance stability.
Wherever possible, homogeneous materials have been used in construction to minimise the effects of thermal expansion.
The MMQ 400 is also larger and more flexible than its predecessor and can measure parts up to 60kg in weight.
The z-axis has also been redesigned, making it more stable and improving both accuracy and repeatability of measurements.
Although larger than its predecessor, the overall footprint of the unit is smaller than comparable instruments as the controller and other electronics have been completely integrated into the design.
Another important benefit of the MMQ 400 is the elimination of the need for an air supply by the use of a high-precision mechanical bearing for the rotary table.
Mahr has been a leading producer of high-precision bearings for over 60 years, and the mechanical bearing used in the MMQ 400 is more accurate than most air bearings and up to 70 times stiffer, making the system less susceptible to external forces such as vibration.
Two versions of the MMQ 400 Formtester are available, one with a 350mm z-axis and 180mm x-axis, and the other with a 500mm z-axis and 280mm x-axis.
All measuring axes are fully motorised and a selection of available probes.
Fully controlled by Mahr MarWin software, the MMQ 400 can evaluate all standard form parameters, including roundness, sector roundness, run-out, sector run-out, concentricity and coaxiality, total run-out, cylindricity, straightness, section-by-section straightness, parallelism, perpendicularity, angularity, flatness, conicity, and taper.
The system has been especially designed to measure a wide variety of workpieces, including injection components, ABS components, valves, pistons and piston rods, crank- and camshafts, brake disks, gear shafts, ball-bearings, and more.
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