Test & measurement
In particular,
the set-up LED and exceptionally wide installation tolerances of the QUANTiC encoder enable a quick and intuitive installation process, lowering machine build costs and reducing machine downtime when servicing. Furthermore, the low SDE and high resolution of the QUANTiC encoder improves linear motor accuracy and enables smoother motion control due to reduced velocity ripple. As Houng-joong explains: “When choosing
an encoder system, in addition to the encoder specifications required for our customer's application, we also consider the installation difficulty and reliability in our production environment. Orders from equipment manufacturers require very short lead times - from the receipt of an order, we often have only three to six months for design, manufacturing, testing, and delivery. “The quick and easy installation of parts is
absolutely one of the key factors for punctual delivery. QUANTIC encoders have wide installation tolerances that enable faster installation. Also, by monitoring the colour of the set-up LED on the readhead, we can quickly determine if the signal strength is up to standard and whether the installation is successful. These features save time, reduce costs and give us great confidence.” Renishaw’s EVOLUTE absolute encoder
features many of the same benefits of the QUANTiC series, including wide installation tolerances and good dirt immunity. Enhanced diagnostic data is also available through the Advanced Diagnostic Tool ADTa-100 hardware and ADT View software. KOVERY tests and calibrates its motors prior
to leaving the factory using Renishaw's XL-80 laser system for machine calibration and quality control. These systems are fast, extremely accurate with linear measurement accuracies of 0.5 ppm, lightweight and portable.
Instrumentation Monthly March 2022 “Our
customers are mostly precision equipment manufacturers, who have demanding quality requirements, so motors need to be strictly verified before they leave our factory. The linearity, straightness and squareness of each linear motor is measured using Renishaw’s XL-80 laser interferometer. Dynamic measurements are also performed, including analysis of the velocity ripple. For product testing, the XL-80 system is quick to set-up and easy to use - it’s undoubtedly a great choice,” says Houng-joong.
The ResulTs
Renishaw’s encoder products and laser calibration systems have enabled KOVERY to build cutting-edge linear motors for advanced process machinery in fields such as semiconductor manufacturing. The partnership between Renishaw and KOVERY continues to support the latest linear motor developments. Houng-joong concludes: “We focus on the
development of ultra-high-precision and high- speed linear motors. It is impossible to have a thorough understanding of every component. Renishaw has done a very good job in after-
sales support; they often communicate closely with our development team, provide relevant training where required, and have solved many application problems for us.”
Renishaw
www.renishaw.com
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