Precision Machine Devices Div.

JAPANESE

Ultrafine Machining

	Prof. Hidenori SHINNO
	Room：G2-304    TEL：+81-(0)45-924-5469    E-mail：shinno(at)pi.titech.ac.jp    *Please replace "(at)" with "@".      http://www.upm.pi.titech.ac.jp/

• Section       Ultrafine Machining
• Objective
  ・Realization of an innovative mother machine for nano-machining
  ・Establishment of ultraprecision machining
• Current Topics
  ・Research and development of an innovative mother machine for nano-machining
  ・Nano-machining technology of hard and brittle materials
  ・Research on error factor-minimized structure
  ・Design methodology for machine tool
  ・Product development methodology
  *Outline of Research Activities（PDF）

Left: Innovative mother machine for nano-machining
Right: Advanced nano-pattern generator with large work 

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	Assoc. Prof. Hayato YOSHIOKA
	Room：G2-302   TEL：+81-(0)45-924-5470   E-mail：yoshioka(at)pi.titech.ac.jp　　   ※Please replace "(at)" with "@".　   http://www.upm.pi.titech.ac.jp/

• Section       Ultrafine Machining
• Objective     Nano-measurement and nano-motion control for ultraprecision machining
• Current Topics
  ・High speed spindle system with high stiffness
  ・Multi-degree of freedom nano-positioning table system
  ・In-process monitoring for ultraprecision machining
  ・Adaptive control of nano-machining process
  ・Active vibration isolation system for precision instruments
  *Outline of Research Activities（PDF）

Left: Three-dimensional nano profile scanner 
Right: Sub-nanometer positioning table system

Precision Machine Elements

	Prof. Haruo HOUJOH
	Room：R2-414　　   TEL：81+(0)45-924-5078   E-mail：hhoujoh(at)pi.titech.ac.jp   ※Please replace "(at)" with "@".　   http://www.ds.pi.titech.ac.jp/

• Section       Precision Machine Elements
• Objective     Methodology to observe and analyze the noise and dynamics of machinery
• Current Topics 
  ・Practical sound source localization without use of an anechoic chamber
  ・Development of 3-D sound field assessment based on 2-D sound measurement
  ・Sound creation for a geared system
  ・Vibro-diagnostics of a geared machinery
  ・Visualization of air flow behavior at around gear mesh
    *Outline of Research Activities（PDF）

All-in-one probe displaying sound intensity vector Flow sucked into space against moving direction

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	Assoc. Prof. Shigeki MATSUMURA
	Room：R2-416　　   TEL：+81-(0)45-924-5041   E-mail：smatsumu(at)pi.titech.ac.jp   ※Please replace"(at)"with"@"   http://www.ds.pi.titech.ac.jp/

• Section        Precision Machine Elements
• Objective      Vibration measurement of a machine and low vibration machine design
• Current Topics 
  ・Low vibration gear design methodology
  ・Centrifugal Dynamic Damper for Transmission 
  ・Active noise suppression of a gear system
  ・Identification of dynamic properties of a machine as multi DOF system
  ・Diagnosis of gear tooth surface form with vibration measurment
  *Outline of Research Activities（PDF）

Left: Centrifugal Dynamic Damper for Gear System  Right: Active Vibration Reduction Gear System (Rotational Motion)

Integrated Mechanisms

	Prof.　Tadahiko　SHINSHI
	Room：R2-316　　   TEL：+81-(0)45-924-5095   E-mail：shinshi(at)pi.titech.ac.jp   ※Please replace"(at)"with"@"   http://www.nano.pi.titech.ac.jp/index.html

• Section       Integrated Mechanisms
• Objective     Realization and application of integrated machine devices
• Current Topics 
  ・Artificial hearts utilizing magnetic bearing technology
  ・Industrial maglev centrifugal pumps 
  ・High-speed and multi-DOF actuators for laser cutting machining and electro discharge machining
  ・MEMS devices utilizing thin film permanent magnet
  ・Micro machining and micro magnetization for thin film permanent magnet
   *Outline of Research Activities（PDF）

Disposable centrifugal blood pump using Maglev technology 6-DOF maglev actuator for laser cutting machine