Welcome To CMTI

The Central Manufacturing Technology Institute (CMTI) being a National Research and Development organization stands as a pioneering force, dedicated to shaping the manufacturing landscape through its unwavering focus on science, technology, and innovation. By driving the development of new technologies, catering to customer needs, providing valuable services, and fostering an environment of advanced technology intervention, CMTI solidifies its position as a catalyst for growth, progress, and excellence in the manufacturing industry.

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  • Finish Turning Machine (TGPR-CNC)

Finish Turning Machine (TGPR-CNC)

Salient Features:

  • Special purpose automatic CNC machine for performing machining operations such as finish turning, grooving and chamfering on outside diameter of piston rings.



  1. Machining range
  • OD (Min) :           70 mm
  • OD (Max) :           160 mm
  • Chucking width (Max.) :           4 mm


  1. Spindle
  • Speeds (step-less) : 100 to 400rpm
  • Motor : AC 7.5 kW (10 HP)

Work piece accuracies:

Level of Development:

Machine developed, tested & supplied to customer

Status of Commercialization:

Read for Technolog Transferr

Major Raw materials Utilised:

  • Standard materials commonly used such as various categories of steels, rubber, phospo bronze,Ferrous non ferrous etc. Standard components includes Motor, Electrical control elements, Bearings, O-Rings, Circlips, Fasteners, ballscrews, Poly V-belts etc.,

Major Plant Equipment and Machines required:

  • Fabrication facility, Work handling facilities & Assembly toolings.
  • General purpose manufacturing workshop equipments like, Turning, Drilling, Boring, Milling, Grinding Machine, etc.,

Techno economics:

  • TGPR CNC is special purpose machine used for specific applications and does not require techno-economic study

Technology Package

  • Design & Drawings, Technical Documents, Bill of Materials.