Thermal machine tool error prediction during milling

Procedia CIRP, vol. 120, pp. 1510–1515

Abstract

During milling processes, almost the entire mechanical work is converted into heat caused by friction. The generated heat is mostly induced into the machine structure, tool, its holder and the workpiece resulting in a transient tool center point displacement (TCP). Such thermo-elastic machine tool errors can be modeled and corrected. In this paper, the TCP displacement through process influence due to cutting or friction forces through milling is modeled using data from a numerical cutting simulation. The modeled displacement is then used to correct the measured TCP displacement.

Authors 5

1. Christian Brecher Aachen Laboratory for Machine Tools and Production Engineering (WZL)

   RWTH Aachen University

   Affiliation as printed

   Laboratory for Machine Tools and Production Engineering (WZL) of RWTH Aachen University, Steinbachstr. 19, 52074 Aachen, Germany

2. Thomas Bergs Aachen Laboratory for Machine Tools and Production Engineering (WZL)

   RWTH Aachen University

   Affiliation as printed

   Laboratory for Machine Tools and Production Engineering (WZL) of RWTH Aachen University, Campus–Boulevard 30, 52074 Aachen, Germany

3. Franziska Plum corresponding Aachen Laboratory for Machine Tools and Production Engineering (WZL)

   RWTH Aachen University

   Affiliation as printed

   Laboratory for Machine Tools and Production Engineering (WZL) of RWTH Aachen University, Steinbachstr. 19, 52074 Aachen, Germany

4. Hui Liu Aachen Laboratory for Machine Tools and Production Engineering (WZL)

   RWTH Aachen University

   Affiliation as printed

   Laboratory for Machine Tools and Production Engineering (WZL) of RWTH Aachen University, Campus–Boulevard 30, 52074 Aachen, Germany

5. Stephan Neus Aachen Laboratory for Machine Tools and Production Engineering (WZL)

   RWTH Aachen University

   Affiliation as printed

   Laboratory for Machine Tools and Production Engineering (WZL) of RWTH Aachen University, Steinbachstr. 19, 52074 Aachen, Germany