Measurement & Inspection


However, Cius noted, these distinctions are blurring. “These platforms are expanding in capability,” he said. CMMs are now outfi tted with contact probes, line laser scanners, and even surface roughness probes. Vision systems use laser scanners that collect thousands of points per second, in addi- tion to touch and scanning probes.


“It is often the case that we start with the piece that needs to be measured and after some experimentation, decide what is best,” he said. Cius offers the following list of factors that should be considered: • Does the part require contact or noncontact sensing? Size, fl exibility, and fragility of the surface infl uence this parameter.


• What accuracy is required? This may be process dependent as well, for instance, less accuracy may be required to maintain a production line, while more is needed during design investigation or fi rst-article qualifi cation.


Multisensor vision systems such as this system from OGP often use three separate measuring devices, especially a telecentric vision system, a TTL laser, and touch probe, according to the company.


• What density of measurements is needed? Are a few critical characteristics enough, or are surface or con- tour measurements required?


Visit epiloglaser.com/me to see a video of the FiberMark Fusion in action!


• Precise metal and plastic marking capabilities • Generous 32″ x 20″ work area • Advanced job control for increased throughput • Power configurations up to 50 watts • Joystick control for easy operation • High-quality, USA-made equipment


To request a brochure, DVD, and samples, contact us at: epiloglaser.com/me • sales@epiloglaser.com • 888-437-4564


Permanently marks medical utensils in just minutes!


64 ManufacturingEngineeringMedia.com | May 2014


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