Projektbeschreibung Cutting Behavior and Process - Gepris

Cutting Behavior and Process Monitoring During Grinding of Ceramics Using
CVD-Tools
Antragsteller:
Dr.-Ing. Hans-Werner Hoffmeister
Technische Universität Braunschweig
Fakultät für Maschinenbau
Institut für Werkzeugmaschinen und Fertigungstechnik
Langer Kamp 19b
38106 Braunschweig
Telefon: +49 531 3917606
Telefax: +49 531 391-5842
E-Mail: h.hoffmeister tu-bs.de
Fachliche Zuordnung
Förderung
Spanende Fertigungstechnik
Förderung von 2009 bis 2015
Projektbeschreibung
Microsystems technology has found applications in a wide range of everyday live, from medicine to defence systems,
from communication to sports and its importance has been continuously growing. The machining techniques have the
advantage of being very flexible and able to produce structures in nearly all materials. This makes them very useful for
small batches or single parts, as UV masks were the accuracy and production time requirements can be obtained with
convention machining process. Nevertheless there are no systems allowing detecting the breaking of micro tools
during the process. Due to the very small dimensions, specially the diameter of tools, and associated with its inherent
fragility, it is even hard to detect a tool breakage. Thus a tool failure cannot be seen until the produced structure is
checked with a confocal microscope. The aim of this proposal is to develop and integrate a tool failure detection
system and an optical inspection in order to provide an in process monitoring system during the machining of micro
parts. To do so acceleration sensors and a force measurement device are integrated in a micro machine. The
relationship between the in process measurement system and tool failure will be investigated. Thus the limits
guaranteeing a sufficient cutting behaviour will be set. To do so hard to cut piezo composite materials are going to be
investigated due to its machinability by means of conventional tools and using diamond CVD-pencils and
CVD-grinding wheels.
DFG-Verfahren
Internationaler Bezug
Großgeräte
Beteiligte Person:
Sachbeihilfen
Brasilien
Highspeed camera system
Professor Dr. Eng. Rodrigo L. Stoeterau
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