• Camera Options: Customizable camera solutions have been developed to handle the challenges of intricate part inspection. Zoom lenses can produce up to 310X magnification on the monitor. Telecentric optics come in a wide array of lens options; 0.14x up to 4.00x. Systems such as the Starrett AVX550 can be equipped with telecentric and zoom optics. This allows intricate part details and larger features to be inspected without changing lenses or recalibrating. The Starrett AVR-FOV comes equipped with a dedicated 2.3 ″ x 1.9 ″ Field of View (FOV); the largest available to date for Starrett. Combined with integrated stage motion, these camera systems can also stitch together multiple images sequentially to create one larger image, allowing more of the part to be viewed at one time. • Software applications: Software can significantly enhance the capabilities of a vision system. Providing a high level of confidence
Starrett HVR100-FLIP, a large field-of-vision (FOV) Benchtop Vision Measurement System that is capable of being used in either a vertical or horizontal orientation, features a high-resolution digital video camera and minimal optical distortion for accurate FOV measurements of up to 90mm (3.65 ″ ).
in repeatability and reliability, integrated software enables part recognition profiles to be created based upon a few key points on a component’s profile. Once this profile has been created, another part, or multiple parts, can be placed in the camera’s FOV to initiate the part recognition profile. The camera will orient the part based on the key points and automatically run the preferred measurements, generating a report in seconds. Video edge detection, which detects transitions between light and dark fields, further helps guarantee accuracy by eliminating operator subjectivity. Using a user-friendly process, known as walkup metrology, means that once a part profile is created, any employee can simply initiate the program and instantly obtain the same results with confidence. Thread Module programs are ideal for identifying features on parts such as bone screws, ensuring that thread pitch, major and minor diameter are within the strict tolerance limits of the medical industry. • Accessories: Accessories are available that assist with proper part orientation such as fixtures, vises, and rotary indexers. Fixtures are great for ensuring positional repeatability and offering faster throughput. Vises securely hold a work piece in a specific position and are available in fixed or rotary options. Conversely, a rotary indexer is the right choice for controlled rotation of a part while maintaining position, such as when a user is inspecting the leading edge of a bone screw thread.
With such a wide range of medical metrology system options available, taking the time to get educated, as well as working with a knowledgeable and experienced supplier are key to critical medical part QC and manufacture.
Author: CW Moran, Marketing Specialist - Metrology
The L.S. Starrett Company - (949) 348-1213 - www.starrettmetrology.com
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