• Mitsui Seiki was established in the year 1928 as the first Japanese company to produce Precision Machine Tools such as Jig Borers & Jig Grinders. Today the Company is composed of two divisions that respectively manufacture “Super Precision Machine Tools” and “High- Performance Compressors”.
  • Their range of Machine Tools includes High Precision Machining Centers both Vertical and Horizontal with 5 Axes, CNC Jig Borers, Jig Grinders & Thread Grinders.
  • Mitsui Seiki is a preferred brand for Aerospace Components, Machine Tool Manufacturers, Precision Parts, Automobile Parts, Power Generation and Electronic Industry with wide experience in Machining Critical materials such as Titanium, Titanium alloys, Composite materials, Nickel alloys, etc.
  • Mitsui Seiki machines are deployed to produce high precision parts and the Machines are used as Mother Machines even for manufacture of Machine Tools at most machine tool factories world wide.
  • Applications include Hard Metal airframe components, Rotating Engine Components, Engine Cases, Gearbox Transmissions, High Performance actuators,  Fuel Systems, etc.

Mitsui Seiki Kogyo Co. Ltd., Japan

Horizontal Jig Boring Machining Model H5D with 60 station Automatic Tool Changer. Fully closed looped linear scale feed back system and B axis indexing table with 0.0001DEG, FANUC-30iM Numerical control unit, 4 axes controlled with high production capability for drilling, boring, tapping and reaming. High rigid machine bed with T-layout monoblock construction. Spindle head with ceramic ball bearings lubricated by air /oil, is mounted on hand scrapped V-V guide on double column. X and Z slide ways with V/V guides are precisely hand scrapped, and there are precision needle roller bearings in order to avoid stick slip over full travel.Read more
Ultra-precision accuracy operations provides efficiency grinding of exotic materials, fine cermics, carbide and conventional materials that demand jig grinding tolerances.Read more
Full CNC controlled Thread Grinder, equipped with a Fanuc 30i Series CNC Control. It can respond to grinding operations for a variety of complex thread configurations.Read more