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View article: Process monitoring in end milling using polar figures
Process monitoring in end milling using polar figures Open
Knowledge of the tool wear state in machining has become an important issue in research and industrial application. Current systems use the spindle power or cutting force as measured variable and refer it to a taught set point. However, th…
View article: Data segmentation of effective power signals in the hobbing process
Data segmentation of effective power signals in the hobbing process Open
Knowledge about the angular tool position is important for many modern process monitoring or control systems in machining. However, the availability of a high-resolution encoder is not always given, and its access creates further expenditu…
View article: Estimation of the load torque in a hobbing machine using effective power signals
Estimation of the load torque in a hobbing machine using effective power signals Open
Aviation requires highly reliable parts that call for stable and safe processes. These are often achieved using process-monitoring techniques. In order to not reduce the stiffness of the spindle, effective power measurements replace force …
View article: Model-Based Online Tool Monitoring for Hobbing Processes
Model-Based Online Tool Monitoring for Hobbing Processes Open
Continuous increase in flight passengers alongside with a high demand for fuel efficiency has led to the development of Geared Turbo Fans (GTF). Being a safety-critical part, the gearbox faces strong safety requirements that also account f…
View article: Data Synchronization for Model-Based Process Monitoring
Data Synchronization for Model-Based Process Monitoring Open
Aerospace industry requires high quality parts that often have to fulfill highest safety standards. Hence, process monitoring plays an important role in keeping these goals. In the scope of Industrie 4.0 new approaches to enhance process m…
View article: Online Tool Wear Measurement for Hobbing of Highly Loaded Gears in Geared Turbo Fans
Online Tool Wear Measurement for Hobbing of Highly Loaded Gears in Geared Turbo Fans Open
Continuous increase in flight passengers alongside with a high demand for fuel efficiency has led to the development of Geared Turbo Fans (GTF). Being a safety-critical part, the gearbox faces strong safety requirements that also account f…
View article: Modelling the effects of residual stresses on electro-magnetic properties of super alloys
Modelling the effects of residual stresses on electro-magnetic properties of super alloys Open
Super Alloys, commonly used in safety-critical aerospace components, regularly impose problems when machined in drilling or milling processes, resulting in surface damages that facilitate cracks. Residual stresses are often induced to prev…