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Product News: Real-Time 3-D Measure/Compare on Moving Parts

HandyPROBE with Verisurf software accurately captures 3-D data on moving parts and compares to CAD in real time.

Published: Tuesday, July 21, 2009 - 17:30

(Quality Digest: Louisville, KY) -- Real-time 3-D capture and comparison to a CAD model—on a moving part—generated some excitement at the CMSC show when Creaform demonstrated the capabilities of its HandyPROBE 3-D probing system running with Verisurf software.

The HandyPROBE is a wireless handheld probe that is tracked by a dual camera sensor using photogrammetry techniques. Using high-speed image processing the system can capture 30 points per second with a single-point accuracy of 25 mm (volumetric accuracy of 85 mm). Verisurf software interfaces with all types of CAD models and measuring devices in real-time, enabling manufacturers to seamlessly conduct part design, machining, and verification. 

At a demonstration in Creaform’s booth, Verisurf owner and founder Ernie Husted demonstrated the combination by first capturing reference targets on a machined part. Husted then picked up the part in his left hand and the probe in his right and began measuring features while walking around the booth. Measurement data and deviation from nominal were displayed in real time on the monitor. 

Not only can the part be moved, but the dual-camera arm, which can be up to 25 feet away from the probe, can also be moved without affecting the measurement. This allows users to work beyond the system’s stationary measurement area of 9 ft x 10 ft simply by moving the 12 lb camera system.

Capturing 3-D data on moving parts is of particular interest for those involved in large-scale assembly alignment operations, or where 3-D data must be collected in real time on an unstable or moving surface: an airplane or automobile during other assembly operations for instance, or a conveyor system.

The combination of the two products plays to both of their strengths, says David Olson, Verisurf’s director of sales and marketing. “It’s like watching Dancing with the Stars when both dancers are really good,” said Olson, obviously pleased with the demo.

Ernie

Ernie Husted, founder of Verisurf, probes a machined part using the Creaform HandyPROBE. Verisurf software allows the probe data to be displayed in real time and compared to CAD model even when the part is in motion.

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