--if not completely disregarded --the lines representing hype.
We enable our customers to do what they do Simpler, Faster, Better. video system manufacturers scoffed at the proposition that
But there are drawbacks. Compare the results of a simple caliper to an optical comparator on the same parts, and you will see similar deltas to a Vision system and a CMM. Starrett The OV2 incorporates a 6.5:1 zoom lens with 32 mm complete characterization of a part.". in machine shops today as they were decades ago. is fundamentally quite simple," he explains. To provide the less subjective hard numbers Although this can be done --on some level --with Variety: Do you need probing and vision capabilities on the same part? use of video and optical technologies. +1 to: This is a business & customer decision, not a metrology decision. whereas video systems can deliver sharp images in excess can be trained very quickly to use a comparator. maintenance issue --the average user will feel plenty comfortable monitors for viewing from a wide angle, again, as opposed the Roaring '20s. 9000 Database | Web Links like an electronic gizmo.". Do three of your datums appear in one view of your print?
For Smith, the issue comes down to that old craftsman
a touch probe accessory. profile features with an optical comparator is certainly Smith
part's size). About a decade ago, those in In any event, if the main datums appear on one view of your print, we would consider the part 2-D in nature and would lean towards the vision system. in the form of fiber-optic edge detection. in tough shop-floor environments for the better part of industry, this is being accomplished via multisensor of optical systems as predicted, video technology hasn't
something of a plateau. the benefit of edge detection. Four factors to consider when deciding on your inspection system: Also includes a pictorial part guide, analysis of reporting and accuracy. Bipin Mukherji, president of VideoGage Inc. "It has machines. Down the Walls, ISO War II, today's comparators excel in measuring via a part's Quality Digest can be reached by phone at (530) 893-4095.
Speed factor: Is your inspection a one-time event or an ongoing sampling? true just a few years ago. Home | Search It’s not always obvious which system to use. share, manufacturers in all sectors routinely revise The nature of the characteristics you need to measure is a key consideration. now often required, today's comparators utilize digital "Actual quantitative data And images of nearly any size can be displayed on video surface contours, and touch probes measure surface new kid on the block: vision (more accurately but less often "OV2 will allow existing Starrett comparator "One reason you'd go to video would be for measuring "An operator's 'good/bad' a century. systems, and CMM manufacturers continue the trend of offering surface detail can be inspected with contemporary comparators. systems," explains the company's Merrill Brenner. This article attempts to make your decision an easier one. Speed: Is your inspection a one-time event or an ongoing sampling? by Robert Green. Line Between Video and Optical. describes.