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.

  • Home
  • Line Boring Machine (LBM)

Line Boring Machine (LBM)

Salient Features:

  • Portable Machine, For in-situ heavy duty. Boring and Facing of horizontal bores


  • Permissible Boring Diameters : Ø650 mm  to Ø740mm
  • Permissible Facing Diameters : Ø500 mm to Ø900mm
  • Max cutting depth : Boring 3mm, facing 2 mm
  • Boring Bar diameter : 360 mm
  • Speed range : 6.3, 9, 12.5, 16 rpm
  • Quill feed : 150 mm

Work piece accuracies:

Level of Development:

Machine developed tested & supplied to customer

Status of Commercialization:

Ready for Technology Transfer

Major Raw materials Utilised:

  • Standard materials commonly used such as various categories of steels, rubber, ph. bronze, Ferrous & non ferrous etc.
  • Standard components includes Motor, Electrical control elements, Bearings,O-Rings, Circlips,Slide way liner material, Hydro motor, Safety coupling, Disc brake, Grinding & regulating wheel, Librication unit, 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 and Standard pipe bending machine .

Techno economics:

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

Technology Package

  • Design & Drawings Technical Document Bill of Materials