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Large Field of View Multi-Sensor Vision System

The L.S. Starrett Company, a global manufacturer of precision hand tools and gages, metrology systems and more, has enhanced its AVR300 Multi-Sensor Vision System with a 0.14 magnification lens featuring the largest field of view (FOV) to date for Starrett on the AVR Series at 2.36" x 1.90" (60 mm x 48 mm).

For greater efficiency and accuracy, more of the part can be viewed in every image on the new AVR-FOV 0.14X system. Due to "superimage" technology, which allows multiple images to be stitched together to form one larger image, together with the system's touch probe technology, the AVR-FOV 0.14X can accurately inspect a wide range of features on large or complex parts, as well as on multiple small parts.

The AVR-FOV 0.14X meets the unique needs of the medical manufacturing industry and can be customized for the application at hand. Complex pieces, such as a hip joint insert, require a large FOV in order to fit the entire part profile in its view for measurement and inspection. The large FOV is ideal for the profile measurement of compound curves found in many medical devices and implants. "The touch probe capability and an optional rotary indexer amplifies the system's ability to make fast, accurate and reliable profile measurements along discreet points of many complex parts," said a Starrett spokesperson.

Equally important to the inspection process is using repeatable lighting and selective control. Implant prothesis have reflective finishes on metal, plastic or ceramic that can make accurate inspection difficult due to excess ambient light and part reflectivity. To solve this challenge, the Starrett AVR-FOV 0.14X comes equipped with LED lighting that is easy to control depending on the specific needs of the user, and can be integrated as programable steps in the inspection profile process. Control of the camera shutter speed via software ensures that users can reduce the effect of ambient light and minimize part image distortion.

"The AVR-FOV 0.14X automated part programs deliver accurate results to the micron level in a matter of seconds with Go/No-Go tolerance zones, and data are provided in one easy-to-interpret report. These features allow metrology users in manufacturing facilities or QC labs to produce accurate, fast and repeatable results," said the spokesperson.

"Building on the success of the AVR300 multi-sensor system, now customers can measure and inspect a wider range of parts, including those that are complex with intricate features," said Mark Arenal, General Manager, Starrett Metrology Division. "The interface on the AVR-FOV 0.14X is user friendly and intuitive so all users, including operators right on the shop floor, can complete the inspection process."

"Equipped with the M3 software package from MetLogix, a traditional mouse as well as a touchscreen monitor make user interaction easy and intuitive," said the spokesperson. Auto part recognition enables creating a part measurement program that comprises the desired features of a part for inspection, which can automatically be saved in the system or

to a network. Programmable light output options can be built into the program as defined steps, including being called up as the part recognition program initiates. Once the program is created, placing that part within the camera's field-of-view allows for the saved program to initiate and run the inspection. A Renishaw Touch Probe may also be utilized for quick acquisition of discreet points along a part's profile as well as Z-axis measurements.

The AVR-FOV 0.14X has an X-Y-Z travel of 12" x 8" x 8" (300 mm x 200 mm x 200 mm). The Starrett AVR-FOV 0.14X Multi-Sensor Vision System is made in the U.S.A.

For more information contact:

The L.S. Starrett Company

121 Crescent St.

Athol, MA 01331

888-674-7443 / 978-249-3551

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