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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  • Non-contact Rotary Coupling for Vacuum Transmission

Non-contact Rotary Coupling for Vacuum Transmission

Salient Features:

  • Non contact coupling in nature
  • Does not effect the rotary performance of spindle


  • Vacuum suction up to 0.8 bar
  • Component weight: up to 5 Kg

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 steel alloy

Major Plant Equipment and Machines required:

Turning and Milling Machine

OD and ID Grinding machine

Techno economics:

Having high potential in commercialization

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.


Chucks for ultra precision air bearing spindles