Starrett rolls out large-format video measurement systems
-- Test & Measurement World, 8/6/2009 9:00:00 AM
Configured to meet a variety of measurement needs in QC labs, research, engineering, and manufacturing, this line of large-format video-based measurement systems from L.S. Starrett provides X-Y travel ranging from 12 in. (305 mm) to 50 in. (1273 mm) with 8-in. (200 mm) of Z travel. The large-format series also offers increased speed at more than 25 in. of travel per second and greater accuracy to more than 4 µm (157.5 µin.) to verify critical dimensions on complex, multifeatured parts.
High measuring accuracy, repeatability, and throughput are the result of design features, such as transports that are driven by no-maintenance, balanced linear motors that are close-looped to precision scales in all three axes. The motors generate no heat and position to a small fraction of a micron. According to the manufacturer, the systems are the industry's first in their class to offer porous carbon air-bearings for quiet, frictionless motion requiring no lubrication or maintenance and resulting in repeatability of greater than 3 µm (120 µin.).
The large-format measuring systems deliver accuracy of E2=1.5+5L/1000 and encoder resolution of 0.1 µm (4 µin.). Models include the LF303, LF463, LF713, LF963, and LF1273, which are available with vision, contact probe, and laser scanning attachments. Each includes a 22-in. widescreen and flat-panel LCD. A color optical system provides a zoom magnification ratio of 12:1 with programmable magnifications to 2000X via auxiliary lenses. You can also chose an LED illuminator or a triple-output fiber-optic ring light with coaxial illumination.
L.S. Starrett, www.starrett.com.
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