Sensor-Integrated Tool for Self-Optimizing Single-Lip Deep Hole Drilling
Robert Wegert*,, Mohammad Alaa Alhamede*, Vinzenz Guski**, Siegfried Schmauder**, and Hans-Christian Möhring*
*Institute for Machine Tools (IfW), University of Stuttgart
17 Holzgartenstraße, Stuttgart 70174, Germany
**Institute for Materials Testing, Materials Science and Strength of Materials (IMWF), University of Stuttgart, Stuttgart, Germany
Single-lip deep-hole drilling (SLD) is characterized by high surface quality and compressive residual stress in the subsurface of the drill hole. These properties depend significantly on the thermo-mechanical conditions in the machining process. The required subsurface properties can be adjusted in-process via process monitoring and control when the thermo-mechanical conditions are maintained in the optimum range. Herein, a sensor-integrated SLD tool is introduced, which allows the temperatures near the cutting zone to be measured and the vibrations occurring directly at the drill head to be recorded. A microcontroller-based wireless measurement data transmission method is presented.
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