CNC Brand Profile

Kitamura and the Machine Scraped by Hand to Hold Microns | CNC Brand Profile

Most machine tool builders assemble. They buy castings, spindles, ballscrews, and ways from suppliers and bolt them into a frame. Kitamura does the opposite: it builds nearly every major component of its machines itself, then has a person take a scraper to the mating surfaces by hand to get a fit that grinding alone cannot reach. That sounds old-fashioned until you see what it buys, machines that hold geometric accuracy for decades, which is exactly the trait a used buyer is paying for.

This is a profile of the brand for the person who runs the iron or is about to buy it used: where Kitamura comes from, what it actually builds, why the in-house, hand-scraped approach is the whole argument, and why a used Kitamura holds its value the way it does.

From Iron Works to Machining Centers in Toyama

Kitamura started in 1933 as the Kitamura Iron Works Company in Takaoka City, Toyama Prefecture, Japan, building paper pulp machinery. It moved into planers in 1960 and then made a decisive jump in the 1970s into machining centers, at a time when only a handful of builders in the world produced them. That early start gave the company decades to refine a single idea: build the machine to hold accuracy, and build as much of it as possible yourself.

More than 90 years on, Kitamura is still family-owned and operated, still based in Toyama, and still committed to in-house manufacturing of nearly every machine component. That continuity is the point. Rather than scaling into a sprawling conglomerate, Kitamura kept design, casting, machining, hand-scraping, assembly, and testing close together, with people who have built these machines for a long time. The result is consistency of fit and finish that shows up directly in how the machines age.

Kitamura sells into more than 50 countries, with US operations headquartered at Kitamura Machinery of USA, Inc. in Wheeling, Illinois, and additional support in Germany. For a used buyer, that footprint and that 90-year continuity matter: this is a builder that has supported its machines for generations and intends to keep doing it, which is what protects parts, service, and resale on a machine this precise.

Built In-House, Held by Box Ways and Twin Ballscrews

Kitamura's engineering is a long answer to one question: how does a machine still hold its accuracy after twenty years of cutting? The answers are structural. Solid box way construction, rather than lighter linear guides alone, gives the machine the damping and rigidity to take heavy cuts and hold a surface, and box ways wear slowly and predictably when they are maintained. The patented twin ballscrew design drives an axis from two screws to balance the load and reduce the deflection and thermal drift that a single offset screw introduces. Dual feedback adds a second measurement loop so the control knows the true axis position, not just the motor's, which tightens positioning accuracy and holds it as the machine heats up.

All of that sits on the in-house, hand-scraped foundation. When the major castings and components come from one house and a craftsman scrapes the mating surfaces for a precise bearing fit, the machine starts more accurate and stays that way longer. None of these choices is a marketing line. Each one exists to keep the geometry true over a long service life, which is the trait that separates a Kitamura from a machine that is accurate the day it ships and drifting a year later.

The 5-Axis Range Is Where the Name Lives

Kitamura is respected across verticals and horizontals, but the 5-axis range is where the brand is best known, because holding accuracy across two rotary axes under load is exactly the problem the company's build philosophy was made to solve. The Mytrunnion machines use a robust symmetrical build that keeps accuracy stable across the full work area, which matters on intricate multi-sided parts where every reorientation is a chance to lose tolerance. The compact MedCenter5AX is purpose-built for medical and small-part precision, the work where finish and accuracy are the product. And the Supercell-300G and 400G are automation-ready 5-axis cells designed for unmanned, lights-out production.

That is the clearest expression of the brand thesis. A 5-axis machine lives or dies on the accuracy and rigidity of its rotary axes, and those are the hardest things to hold over time. Kitamura's in-house build, box ways, and twin ballscrew and dual feedback design are aimed straight at that target, which is why the 5-axis machines are both the segment the brand is known for and the segment that holds value best used.

The Lineup in Shop Language

Mycenter Vertical Machining Centers. The core vertical line and the most commonly traded Kitamura family on the used market. It runs from compact tapping-class machines through the large Mycenter-3020G and the ultra-precise Mycenter-Super Micron with its mirror-finished box ways. Legacy Mycenter-1, 2, 3, and 4 models, including the i and iF variants, remain parts-supported workhorses across North America.

Mycenter-HX Horizontal Machining Centers. The HX250iG, HX300iG, HX400G, HX1000G, and large HX1250G deliver high-productivity horizontal machining with twin-pallet changers, high-torque spindles, and large work envelopes for heavy cutting and volume production.

Bridgecenter and Jigcenter. The Bridgecenter series (6G, 8G, 10G, 12G in #40 and #50 taper) is bridge and double column construction for large, heavy workpieces that need stability and reach, while the Jigcenter-5G offers jig-boring accuracy for the most demanding work.

Mytrunnion 5-Axis. The Mytrunnion-4G, 5G, and 7G are symmetrical trunnion 5-axis machines built for stable accuracy across the full envelope on intricate multi-sided parts. This is the heart of Kitamura's 5-axis reputation.

MedCenter5AX and Supercell. The ultra-compact MedCenter5AX is purpose-built for medical and small-part precision, and the Supercell-300G and 400G are automation-ready 5-axis cells for unmanned, lights-out production.

U.S. Presence and Support

In North America, Kitamura machines are sold and supported through Kitamura Machinery of USA, Inc., headquartered in Wheeling, Illinois, with additional offices in Germany serving Europe. For a used-machine buyer, that footprint is part of the value: box ways, twin ballscrews, and a 5-axis trunnion are only worth what you can keep accurate, and factory-backed parts plus applications support are what protect uptime and resale. Kitamura's in-house component design and large installed base keep older Mycenter and H-series machines serviceable, and for machines on legacy Fanuc or Yasnac controls, third-party parts and retrofit options are widely available.

How Kitamura Compares to Other Precision Builders

Each one has a real argument. Makino is the die-mold and high-speed-machining standard, the name many large mold shops build around, with the deepest U.S. service network of this group. Matsuura is the unmanned-automation specialist, built around pallet pools that run for days without an operator. Mitsui Seiki lives at the ultra-precision extreme, the jig-boring and 5-axis name shops reach for when accuracy is everything and budget is secondary. Kitamura's lane is the precise, durable middle: in-house build and hand scraping for accuracy that lasts, a strong 5-axis range from the compact MedCenter5AX to the Supercell cells, and box way rigidity that holds finish on real cutting, at a cost of ownership a working aerospace, medical, or die-mold shop can run as a daily machine. If the deciding question is accuracy that holds for decades, Kitamura is built for that answer.

Most builders assemble a machine. Kitamura builds it, then scrapes the surfaces by hand so the accuracy lasts.

Why a Used Kitamura Holds Its Value

Kitamura iron holds value on the secondary market for the same reasons shops pay the premium new. The in-house build quality does not evaporate with hours, the box ways and twin ballscrew design hold geometry that lighter machines lose, and the 5-axis accuracy that defines the brand is engineered into the structure rather than bolted on. A clean Mycenter with low spindle hours, or a Mytrunnion with a healthy trunnion and a documented control, is a machine an aerospace or medical shop can put straight to work, and it is common to find Mycenter machines from the 1990s still running production today.

The arbitrage for a used buyer is real, with the spindle, ways, and rotary axes as the conditions. As a rough guide to current secondary-market activity, older Mycenter verticals from the 2000s tend to trade in the tens of thousands depending on hours and condition, Mycenter-HX horizontals with pallet changers run higher, and late-model Mytrunnion and Supercell 5-axis machines with automation and current Arumatik controls run well into the six figures. A machine with a documented maintenance history and a current control commands a premium. Many dealer listings are request-price, so the real number depends on configuration, hours, and the health of the spindle and rotary axes, which is exactly why these need to be read by someone who knows what to look for.

What to Check When Buying a Used Kitamura

Spindle condition. Measure spindle runout and test across the full RPM range, listening for bearing noise after warm-up. The spindle is the costliest wear item.

Box ways and oil film. Kitamura's box way construction is a hallmark of the brand. Inspect the ways for scoring, wear, and a consistent oil film, since healthy ways are central to the accuracy you are paying for.

Ballscrew backlash. Verify backlash on all axes. Any measurable backlash on a machine built around twin ballscrews and dual feedback is worth investigating.

ATC and pallet changer. Run the automatic tool changer through every pocket and confirm reliable seating. On Mycenter-HX and APC-equipped machines, cycle the pallet changer several times for repeatable indexing.

Rotary axes on 5-axis machines. On Mytrunnion, MedCenter5AX, and Supercell models, check the trunnion or tilt-rotary table for smooth motion, accurate positioning, and proper clamping under load, confirm 5-axis calibration, and inspect the rotary seals for coolant intrusion.

Automation on Supercell cells. Verify the pallet pool and loading system cycle reliably, since the automation is the expensive part and the reason to buy the cell.

Control platform. Identify the control, current Arumatik-Mi or Arumatik-Jr versus legacy Fanuc or Yasnac, and get parameter backups, since the platform drives parts, programming, and operator training.

Records and provenance. A documented service history and a known prior owner are worth paying for on a machine built to hold accuracy this long.

Who Runs Kitamura Machines

You find Kitamura wherever accuracy has to hold over long, demanding work. Aerospace shops run them on brackets, housings, and structural parts where tolerance is unforgiving. Medical shops run the MedCenter5AX and Mytrunnion machines on instruments and implant components. Die and mold makers run them where surface and geometry decide the part. Defense and high-precision automotive shops use the horizontals and 5-axis cells for repeatable, tolerance-critical production. The common thread is a shop competing on precision held over time, the exact trait the in-house, hand-scraped build was made to deliver.

Resell CNC Take

Kitamura is one of the brands we are glad to see come through, because the in-house build means a used machine usually has plenty of accuracy left. A Mycenter with healthy box ways and low spindle hours, or a Mytrunnion with a clean trunnion and a documented Arumatik control, is worth chasing for an aerospace or medical shop. The risk is a tired spindle or a worn rotary on a 5-axis machine, which is exactly what we help buyers read before they commit.

Frequently Asked Questions

Who is Kitamura?

Kitamura Machinery is a Japanese machine tool builder founded in 1933 in Takaoka City, Toyama Prefecture, and family-owned for over 90 years. It builds vertical, horizontal, double column, and 5-axis machining centers, and is known for in-house component manufacturing, hand-scraped surfaces, and a patented twin ballscrew design with dual feedback. US support is based in Wheeling, Illinois.

Where are Kitamura machines made?

Kitamura machines are built in Japan at the company's works in Takaoka City, Toyama Prefecture, with an emphasis on in-house manufacturing of nearly every component. In North America, they are sold and supported through Kitamura Machinery of USA, Inc. in Wheeling, Illinois.

What CNC control does Kitamura use?

Current Kitamura machines run the proprietary Arumatik-Mi control, with the Arumatik-Jr on smaller models. Many legacy machines use Fanuc or Yasnac. The platform matters for parts availability, programming compatibility, and operator training when buying used.

What is Kitamura best known for?

5-axis machining centers and accuracy that lasts. Kitamura is best known for its 5-axis range, including the Mytrunnion machines, the compact MedCenter5AX, and the Supercell automation cells, all built on the in-house, hand-scraped, twin ballscrew approach that holds geometric accuracy over a long service life.

Are used Kitamura machines a good buy?

They can be a strong value because the in-house build quality, box ways, and rotary accuracy hold up well with age, and Mycenter machines from the 1990s are still in production today. The keys are spindle condition, box way and ballscrew health, and, on 5-axis machines, the trunnion or rotary table and the control generation.

What industries use Kitamura machines?

Aerospace, medical, die and mold, defense, automotive, and general precision manufacturing. The common thread is work that is tolerance-critical and repeating, where accuracy held over a long service life is the priority.