Mitsui Seiki (USA) Inc.

563 Commerce Street

Franklin Lakes , NJ 07417 US

A Message from Mitsui Seiki (USA) Inc.

What it Really Takes to Machine Titanium

We had the honor of presenting our knowledge in heavy metal machining at the Suppliers Excellence Alliance conference in Los Angeles in March.

As Seen In Modern Machine Shop

Mitsui Seiki's J350G Jig Grinder Enables Various Operations Without Wheel Change

Mitsui Seiki's J350G Jig Grinder Enables Various Operations Without Wheel Change
The Mitsui Seiki J350G jig grinder is designed to provide a combination of application flexibility, accuracy and user-friendly operation.

November 2019 Product Spotlight: 5-Axis Machining

November 2019 Product Spotlight: 5-Axis Machining
This month’s Modern Equipment Review Spotlight focuses on five-axis machining technologies. 

Mitsui Seiki HU100-TS

Mitsui Seiki's HU100-TS Five-Axis HMC Presents Alternative to Trunnion Machines
Mitsui Seiki’s HU100-TS tilting-spindle five-axis horizontal machining center is built to machine large and hard workpieces that may be better suited for tilt-spindle processing than trunnion-table operations.

Mitsui Seiki's 90th anniversary of founding

Mitsui Seiki Celebrates 90 Years
Mitsui Seiki celebrated 90 years with a formal dinner, speakers and entertainment in Tokyo, Japan.

Mitsui Seiki’s Scott Walker on a tractor

A Collection of Company Newsletters by Mitsui Seiki’s Scott Walker
Learn, teach and repeat became the formula that generated a long series of company newsletters. The best of the teachings from these newsletters have been gathered into a readable, enlightening book.

grinding and milling on a Mitsui Seiki Vertex Hybrid G 55-5X

A Literal "New Spin" on Hybrid Milling/Grinding Machines
Mitsui Seiki’s Vertex hybrid machine borrows a jig grinder’s motion to complement high precision five-axis milling.

Cover of Rantings of a Machine Tool Salesman

“Rantings of a Machine Tool Salesman” to Be Released During IMTS 2018
The book is described as a sometimes funny, sometimes serious, sometimes sentimental collection of the author’s favorite selections taken from bi-weekly newsletters spanning 20 years.

Mitsui Seiki will display its Vertex Hybrid G series of five-axis VMCs (models 55-5X, 75-5X and 100-5X) at IMTS 2018. 

Five-Axis Series Targets Tooling, Optics
IMTS 2018: Mitsui Seiki USA Inc.’s Vertex Hybrid G series of five-axis VMCs (models 55-5X, 75-5X and 100-5X) offer lights-out milling and grinding of die and mold, optical, and tooling components.

Mitsui Seiki will display its Vortex 100 VMC at IMTS 2018.

VMC Precisely Machines Large Blisks
IMTS 2018: Mitsui Seiki’s Vertex 100 five-axis VMC is designed for precision milling of large parts, such as blisks for aircraft engines.

Mitsui Seiki’s Vertex 100 5-axis VMC

Five-Axis VMC Handles Large Aircraft Components
Mitsui Seiki’s Vertex 100 5-axis vertical machining center is a high-speed, high-precision milling machine for larger parts such as blisks for aircraft engines.

Mitsui Seiki's Blue Arc machine

Mitsui Seiki, TechSolve to Demonstrate Blue Arc Method
The companies will showcase the Blue Arc electro-erosion metal removal method and demonstrate how it can quickly rough cut tough superalloys. 

Kazuhiro Mizuta, AeroEdge chief technical officer, and Jun Morinishi, president and CEO

Machining Titanium Aluminide at AeroEdge
Japanese manufacturer AeroEdge has had success in machining turbine blades from challenging TiAl through a combination of customized VMCs and cutting tools designed in house.

Robb Hudson, CEO, Mitsui Seiki (U.S.A.) Inc. and a group of visitors at Mitsui Seiki’s Japan machine tool factory

Precision and Custom Solutions Showcased at Mitsui Seiki
A tour of the company’s factory in Japan highlighted the accuracy of its machine tools as well as their adaptability for specific applications.

Robb Hudson

Mitsui Seiki USA Appoints Chairman, CEO, COO
Together, they will manage inventory mix, business strategy development and implementation, and financial oversight.

Mitsui Seiki Vertex 55X II

Integrating Additive Manufacturing without Inhibiting Machining
Mitsui Seiki has been experimenting with how to use metal cutting and metal deposition effectively with the same machine tool without having to compromise the advantages of either.

Integrating Additive Manufacturing without Inhibiting Machining
CNC machining is the superior process for dimensional precision. Can AM be added to the machine tool without compromising this strength?

Mitsui Seiki HU100

HMC Features Quill Spindle for Boring Oilfield Parts
The quill spindle model of Mitsui Seiki’s HU100 heavy-duty HMCs is designed for precision boring of large parts in energy-related as well as other industries.

Vertex 55X II five-axis machine

Five-Axis Machine Line Delivers High-Accuracy Features for Aerospace Work
Mitsui Seiki’s Vertex 55X II line of machines expands on the Vertex 550-5X line.

compact machine

A Compact but Rigid VMC for Machining Titanium Blades
In recent years, machine tool builders have developed models specifically designed for the efficient machining of titanium and other hard metals.

Mitsui Seiki Vertex 550-5XB blade center

Blade Center Machines Titanium, Stainless Steel
Mitsui Seiki offers the Vertex 550-5XB blade center for producing turbine blades from forgings, castings, barstock or solid billets of titanium and stainless steel.

How One Job Shop Tackled Tungsten

How One Job Shop Tackled Tungsten
When this aerospace job shop settled on machining tungsten alloys and other heavy metals as its specialty, it had to have a machine tool, cutting tools, workholding and process know-how to succeed.

Product Categories of Mitsui Seiki (USA) Inc.

Additive Manufacturing Machines for Metal Parts
Grinding Machines, Jig
Grinding Machines, Profile
Grinding Machines, Thread
Horizontal Machining Centers, Five-Axis
Horizontal Machining Centers, Up to Four-Axis
Jig Boring Machines
Lasers, Nd: YAG, Pulsed
Machining Flex Lines
Milling Machines, Graphite
Universal Machining Centers
Vertical Machining Centers, Five-Axis
Vertical Machining Centers, Up to Four-Axis

Trade Names

Mitsui Seiki