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CimCore is proud to introduce the GridLOK - our GIANT CMM. This measuring and inspection system enables inspectionof large parts without the high cost, complexity and slowness of a laser tracker or stationary CMM. The unique, patented
design dramatically improves productivity by allowing inspection of details inside, behind and underneath large work-
pieces. All of those locations are impossible or impractical to measure with any other device. GridLOK provides all these
benefits without decreasing the accuracy of the portable CMM arm. GridLOK uses one or more CimCore portable CMMs in a typical system to become a "Metrology Arena" where all of theCMMs can be measuring to the same part origin. The system can measure large work pieces or multiple small parts
while maintaining the portable CMM accuracy anywhere within its standard 4 x 6 meter measuring area or optionally up
to 60 x 60 meters. GridLOK enhances measuring accuracies since all measured points are in absolute dimensions relative to the same part origin with no
accumulative error regardless of how many times the portable CMM was
moved. This replaces the old "leapfrog" method which caused an
accumulative deterioration of accuracy every time the CMM was moved.
GridLOK volumetric accuracy is equivalent to the laser tracker accuracy
used for the certification of the system upon installation plus
the CimCore portable CMM accuracy. The grid has a volumetric
repeatability of .050 mm. Arm mounting options (i.e. magnetic base or
Brunson stand) can contribute no more than ѱ .050 mm volumetric
uncertainty. Neither the grid nor mounting options affect arm accuracy. The system uses small (16 mm) diameter conical seats flush mounted in a concrete floor or steel plate at about three foot intervals. The
conical seats are then certified by a laser tracker provided by
CimCore. This is a one-time event after which the laser tracker is no
longer needed. After that, operator simply touches any of the standard
ball probes into three different conical seats and, magically, the
portable CMM arm is locked into the common origin. That is the complete
training instruction. This phenomenal "lock-in" event takes less than five
seconds and works even in the middle of a measuring sequence. Moving
the arm and locking-in requires no program interruption, no button
pushing, and no keyboard selections...It's automatic!

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