Welcome To CMTI

CMTI is an R & D organization focusing its efforts mainly on harnessing know-how in the manufacturing technology sector to practical purposes and assisting technological growth in the country. CMTI has the role of being a Catalyst and a Key Player in manufacturing technology growth in the country

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  • Ultra-Precision Air Bearing Spindle-Nanospin AIM 80

Ultra-Precision Air Bearing Spindle-Nanospin AIM 80

Salient Features:

  • Motion Error in Nanometres
  • High Bearing Stiffness
  • High damping
  • High Dimensional stability
  • Near Zero Static Friction
  • Near Zero Thermal Distortion
  • No Harmonics
  • No Air Hammer Effect
  • Laminar Flow
  • Higher Working Speed Range
  • Integrated Motor
  • Water Cooled


  • Bearing type : Aerostatic radial and thrust
  • RPM : up to 3500 rpm
  • Motion Error ≤ 100 nm
  • Stiffness Radial : 80 N/μm Axial : 150 N/μm

Work piece accuracies:

Level of Development:


Status of Commercialization:

Ready for Technology Transfer

Major Raw materials Utilised:

Standard materials commonly used for engineering product development, such as various categories of steel alloys, copper alloy, etc.

Major Plant Equipment and Machines required:

Ultra-Precision micromachining Centre, Wire EDM, Turning and Milling Machine, Precision Grinding Machine, Ultra precision dimension, form and roundness testing equipments.

Techno economics:

Indigenous development of technology and having high potential in commercialization of ultra precision air bearing spindle.

Technology Package

  • One set of all assembly/  integration drawings for the prototype in the form of reproducible on tracing sheets.
  • One set of Mechanical component drawings for manufacturing.
  • One set of operation & user’s guide manual To provide consultancy in activities related to development


  • Single Point Diamond Turning (SPDT)
  • Ultra Precision Turning
  • Ultra Precision Milling & Micro Milling
  • Ultra Precision Grinding
  • Form Testers