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Rolled threads are smooth and free of tears and chatter, which are common starting points for galling. cut threads is another effective way to eliminate galling. Proper lubrication is one preventive strategy, but specifying rolled vs. Galling is caused by friction between sliding metal surfaces and can lead to contamination, seizing, and loosening of threaded parts. Vallorbs Jewel Company’s “ Eliminating Galling” Tip Sheet provides design engineers with information about galling, its negative effects, and effective preventive strategies. Metrology is the science of measurement, used to verify that parts manufactured in industries such as aerospace, automotive, electronics, and medical devices, meet their original design specifications.īird-In-Hand, Pennsylvania – Product designers and engineers have a new resource to help prevent premature failure and costly damage caused by a form of wear to threaded parts called galling. Using our equipment in their course work will help students hit the ground running as they begin careers in advanced manufacturing.” Metrology is the essential process control feedback that enables manufacturers to improve quality and costs. “To be competitive in today’s manufacturing environment requires continuous improvement in design and production processes. “We’re proud to support RIT’s expanding programs in advanced manufacturing and metrology,” said Keith Polidor, vice president of QVI. The QVI equipment provides RIT students access to state-of-the-art technology they can use to prepare for careers in manufacturing. QVI’s partnership with RIT is based on their shared commitment to developing advanced manufacturing technology. New undergraduate level courses on Basic and Advanced Metrology will be offered starting in the Spring semester, covering principles of measurement and use of metrology tools ranging from gage blocks and calipers to advanced multi-sensor systems from QVI. RIT students will use the QVI systems to measure parts they design and fabricate in courses on CAD design, Geometric Dimensioning & Tolerancing (GD&T), CNC Machining and 3D Printing. CCP CC-14 optical comparator with Projectron, VidiProbe and eCAD virtual chart gage system.