engleză
The increasing demand of miniature mechanicaldevices and systems for applications in electronics,biotechnology, and environmental monitoring,requires novel manufacturing processes. Microformingis well suited for miniaturization because of higherproductivity, accuracy and minimum material loss.Despite the advantages of microforming, fullutilization of this process has not been realizedyet. Some of the technical challenges related withminiaturization that need to be addressed beforemicroforming can become commercially viable arematerial flow behavior, higher friction, andfabrication of micro-tools. This monograph presentsultrasonic technology as a method of overcoming someof these challenges. The ultrasonic technology canimprove the quality of microformed parts byenhancing the tribological conditions, increasingsurface integrity, and reducing the forming forces,thus prolonging tool life. Various issues areaddressed in the monograph including the physics ofthe ultrasonic microforming process, prediction ofheat generation due to ultrasonic vibration and theapplication of finite element analysis in designingan ultrasonic microforming system.
