L.S. STARRETT has introduced a line of large-format multi-sensor video measurement systems.
The video measurement systems range from 305mm to 1273mm of X-Y travel and 200mm of Z travel.
The new large-format series offers increased speed at more than 635mm of travel per second and greater accuracy to more than 4µm to verify critical dimensions on complex, multi-featured parts. The large-format systems are available with vision, contact probe and laser scanning attachments. The large-format systems can be configured to meet a variety of measurement needs in QC labs, research, engineering or manufacturing environments.
The large-format series features transports that are driven by sophisticated, no-maintenance, balanced linear motors which are close-looped to precision scales in all three axes. The motors generate no heat and position to a small fraction of a micron.
The new systems offer porous carbon air-bearings for quiet, frictionless motion requiring no lubrication or maintenance and resulting in repeatability greater than 3µm. The moving axes of the systems are centre-driven to reduce asymmetric thrust and eliminate the necessity of a separate slave scale, enhancing performance and measuring consistency. The systems also include a massive granite base and bridge, which provides exceptional mechanical and thermal stability.
All axes feature "tape scales" in 1/10th µm which are bonded directly to the granite structure of the machine. These feature quasi-absolute encoder markings to streamline the "homing" sequence.
Starrett says the large-format video systems offer high accuracy at E2=1.5+5L/1,000 and an encoder resolution of 0.1µm. A colour optical system provides a zoom magnification ratio of 12:1 with programmable magnifications to 2000x via auxiliary lenses. An LED illuminator or triple output fibre-optic, ring light and co-axial illumination provides exceptional lighting. The system includes a 22" widescreen and flat panel LCD display. The large-format systems include an adjustable ergonomic workstation including a compact control panel and standard keyboard.
Options and accessories include:
• Dark field simulated LED ring light; quadrant and Z-height controllable
• Programmable LED bottom lighting for illumination of edges and thru-holes,
• Z-Trac lighting module for independent control of incident angle / height for edge enhancement
• Spotter camera with magnified, colour view of contact probe
• Renishaw PH6 contact probe with TP20 module
• Optimet Mark III Laser Probe.