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Technical Brief

Development of a capsule-type modular machine tool for multi functional processes

[+] Author and Article Information
Sungcheul Lee

Department of Ultra Precision Machines and Systems, Korea Institute of Machinery and Materials, 156, Gajeongbuk-ro, Yuseong-gu, Deajeon, South Korea, 34103
sclee@kimm.re.kr

Jong-Kweon Park

Department of Ultra Precision Machines and Systems, Korea Institute of Machinery and Materials, 156, Gajeongbuk-ro, Yuseong-gu, Deajeon, South Korea, 34103
jkpark@kimm.re.kr

1Corresponding author.

ASME doi:10.1115/1.4037999 History: Received January 31, 2017; Revised September 15, 2017

Abstract

A capsule-type modular machine tool was developed, which was capable of multi-functional processes with a single set-up. This mechanism was designed according to the concept of a reconfigurable machine tool (RMT), which can transform from a machining center to a lathe, and is capable of multiple functional processes, such as laser, milling, and grinding processes. After addressing the kinematics of the machine, a static structural analysis was performed and some ribs were added to enhance the stiffness. A frequency response function (FRF) simulation was conducted on the modified machine and natural frequencies were determined to avoid resonance in processing. Then, an FRF test was performed to find the actual natural frequencies, to confirm the simulation results. After investigating the natural frequencies, high-speed machining was performed to make 300 ┬Ám sized patterns.

Copyright (c) 2017 by ASME
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