One setup, not five
A B-axis mill-turn with a sub-spindle finishes a part complete — the second end is picked up spindle-to-spindle without a human touching it. Every refixturing you avoid is a stack-up error your print never has to absorb.
Precision machining · Livermore, California
Complex parts, complete in one setup.
Bar or blank in, finished part out. Our Okuma Multus mill-turn centers turn, mill, drill and tap in a single fixturing — and probe the critical features on the machine before the part ever comes off it. Machining components other shops send back since 2010.
Mill-turn + B-axisOn-machine probingMade in USA
2010
Machining since
Ø25.59″
Mill-turn swing × 43.31″ Z
±.0001″
Tolerance on the Multus
1part
Minimum order · 2-day rush
Why the work comes out right
Five things we do differently.
Most shops your part could go to are running the same machines everyone else has, measuring after the fact, and hoping. Here is what actually changes the outcome.
Measured while it's still clamped
A Renishaw Inspection Plus probe lives on the spindle. Bores, faces and locations are checked in process, and the machine corrects itself. Problems get found at the machine — not on your receiving dock.
Engineered, not babysat
We write our own post processors, manage tool data, and monitor both machines live. When a part is genuinely difficult, we change the process instead of standing there hoping the operator catches it.
Gears without a second supplier
Gear skiving, gear broaching and gear milling on the Multus — including internal splines in bores and pulleys. Most shops send that out; we cut it in the same clamping, so the spline is concentric with its journals by construction.
Straight answers, quickly
Send a model and a print and you'll get a real response — including where a feature will fight you, and what to change if you want it cheaper. Before you commit.
Done complete
The part never loses its datum.
Every time a part comes out of a fixture and goes into another one, it picks up error. Multi-setup parts inherit that error in stacks — and the tighter your print, the more it costs to chase.
Our Okuma Multus U3000 machines are mill-turn centers: full turning, plus a tilting B-axis milling head with live tooling, plus a second spindle. That combination lets a part be turned, milled, drilled, tapped, flipped and finished without ever leaving the machine.
- Turning and milling in one envelope — no moving a turned part to a mill.
- B-axis head — angled and compound features without a dedicated fixture.
- Sub-spindle transfer — the back side gets machined in the same cycle.
- Live tooling and C-axis — cross holes, flats and slots off centerline.
- Gears and splines — skiving, broaching and gear milling, cut on the same clamping as the journals they run true to.
Inside the machine
One Multus U3000 cycle, start to finish.
A simplified look at how a part moves through our Okuma Multus U3000 1SW. A single milling head on the B axis turns, drills at a compound angle, probes, parts off to the opposing spindle and machines the back side, all in one cycle. Drag to look around.
OD turning — main spindle
Simplified simulation, not to scale
- Max part
- Ø25.59″ × 43.31″
- B axis
- −30° to +210°
- Y axis
- ±4.92″
- Milling spindle
- 12,000 rpm
- Main + opposing
- 5,000 rpm
- Magazine
- 80 tools
In the machine
This is what it looks like.
Footage from our own floor — no stock video, no renderings. Chips, coolant, and the machine doing the thing we just described.
Inspection
You get numbers, not assurances.
Probing happens as part of the cycle. Features are measured while the part is still held, on the same machine that cut them, and the results are recorded per part rather than sampled at the end of a run.
Final and first-article inspection is done on our Zeiss CMM against your model and print. If you need the data, we can send the data.
Our quality system is built to AS9100 and ISO 9001 guidelines.
How we inspect →Selected work
Parts we've made.
Thin walls, long unsupported spans, deep pockets and features that have to stay true to each other. Customer identities and drawings stay confidential — the geometry speaks for itself.
Working with us
From your model to your dock.
Send the package
A solid model plus a functionally detailed print. Call out your tolerances, finishes, and which features actually matter.
Engineering design review
We go through the model and print with you and flag anything that will fight the process, add cost, or is worth changing — before a quote, not after a reject.
Quote and schedule
Price and a delivery date we intend to hold, against the deadline you actually have.
Machine and verify
Cut complete in one setup where the geometry allows, probed in process, inspected against your print before it ships.
We offer engineering design reviews. Before a part is cut, our engineers review the design with you — tolerances, features that are hard to machine, material and finish choices, and where a small change makes the part simpler to make. It saves time and money for both of us, and it usually ends in a better final product.
Everything you send stays confidential. Models, prints, and any information attached to your part are held in strict confidence and are never shown, shared, or used as sales material without your written permission.
Vertically integrated
A machine shop that builds its own software.
Not a marketing line. The tools that drive our machines, manage our tooling and produce your inspection reports were written here, because the off-the-shelf versions weren't good enough.
The code that runs the machine
We write and maintain our own post processors — the software that turns a toolpath into Okuma machine code. When a part needs something unusual out of the control, we change the post rather than hand-editing a program and hoping.
Programs checked before they cut
Our own NC program analyser checks every program for travel limits, tool-length mismatches and missing safety codes before it reaches a machine.
Tool data that's actually right
Tool presetting, magazine tracking and offset sync run on software we built, so what the control believes about a tool matches what's physically in the spindle.
Inspection reports from the machine
The dimensional reports you receive are generated by our own software directly from probe results — which is why they carry every point, its deviation and its margin rather than a tick in a box.
CAD modelMachine codeTool dataInspection report
Why this matters to your part. The chain from CAD model to machine code to tool data to inspection report normally crosses four vendors, and every handoff is a place for something to go wrong that nobody owns. Here it's one chain, under one roof, and when something needs to change we change it the same day instead of filing a support ticket.
Some of these tools are now sold to other shops through our software arm, SP Tooling — but they were all built to solve a problem on this floor first.
Who we work with
Industries.
The common thread isn't the sector — it's parts where the geometry is difficult, the tolerances are real, and somebody needs to care whether it's right.
Material is part of that. Alongside the usual aluminum, stainless and titanium we machine high-temperature superalloys including Waspaloy and single-crystal — material that work-hardens, punishes the wrong feed, and destroys tooling that was perfectly happy in stainless.
- Aerospace and defense
- Medical devices
- Semiconductor equipment
- Scientific instruments
- Robotics and automation
- Energy
- Prototype and R&D
- Local Bay Area manufacturers
Volume
One part or a few thousand.
We are built for low-volume, high-mix work — the jobs that need setup intelligence rather than a dedicated line. A one-off prototype and a recurring production release both get the same process attention.
If you have a part that's currently taking four setups somewhere else, that's exactly the conversation we want to have.
Start a conversation →Need a part made right?
Send the model and print. You'll get a straight answer on whether we're the right shop for it — including if we're not.