International Journal of Precision Engineering and Manufacturing

, Volume 15, Issue 1, pp 13–21

Development and experimental study of a redundant hybrid machine with five-face milling capability in one setup

Authors

    • The State Key Laboratory of Tribology & Institute of Manufacturing Engineering, Department of Mechanical EngineeringTsinghua University
    • Department of Precision InstrumentsTsinghua University
  • Xin-Jun Liu
    • The State Key Laboratory of Tribology & Institute of Manufacturing Engineering, Department of Mechanical EngineeringTsinghua University
    • Beijing Key Lab of Precision/Ultra-precision Manufacturing Equipments and ControlTsinghua University
  • Yanhua Zhou
    • The State Key Laboratory of Tribology & Institute of Manufacturing Engineering, Department of Mechanical EngineeringTsinghua University
    • Institute of Aircraft EngineeringNaval Aeronautical and Astronautical University
Article

DOI: 10.1007/s12541-013-0301-x

Cite this article as:
Xie, F., Liu, X. & Zhou, Y. Int. J. Precis. Eng. Manuf. (2014) 15: 13. doi:10.1007/s12541-013-0301-x

Abstract

A hybrid milling machine with actuation redundancy is developed in the current paper. This machine is capable of five-face milling in one setup. A redundant parallel kinematic module (PKM) is proposed by the introduction of actuation redundancy. Based on this module, the hybrid mechanism of the machine is presented. A local minimized transmission index is proposed to evaluate the motion/force transmissibility of the redundant PKM. The finite element analysis (FEA) simulation is used in the mechanical design of the machine to verify the stiffness and frequency characteristics of the model. After the manufacture and assembly of the machine, experiments on stiffness, accuracy, and machining are carried out. The capability of five-face milling in one setup is verified, and the finished work piece has good surface quality.

Keywords

Hybrid milling machineActuation redundancyFive-face millingParallel kinematic module

Nomenclature

\(\Re\)

global coordinate system

\(\Re '\)

work piece coordinate system

M

local minimized transmission index (LMTI)

κi

local transmission index (LTI)

r

the number of actuation-redundancy actuators

k

the number of mutual interference actuators

Copyright information

© Korean Society for Precision Engineering and Springer-Verlag Berlin Heidelberg 2014