What If One Machine Could Do the Work of Three?
A shop-floor honest look at the Porta Solutions Multicenter FMU 110 — the 3-spindle CNC platform that bridges transfer machine productivity with machining center flexibility.
Here’s a Question Worth Asking
How much of your production time is spent moving parts between machines?
Loading. Re-fixturing. Waiting. Moving again. In a conventional setup with multiple machining centers, that gap between operations isn’t just dead time — it’s accumulated handling risk, labor overhead, and cycle time that never needed to exist.
The Porta Solutions Multicenter FMU 110 was designed to close that gap entirely. Three independent spindles. Four stations. One continuous process. Parts enter raw and come out finished — without leaving the machine.
It’s not a faster machining center. It’s a fundamentally different way to think about production.
What Does Running Multiple Machining Centers Actually Cost You?
Most shops accept a battery of machining centers as a given. It’s just how mid-volume precision manufacturing works — right?
But look at what that setup actually costs you:
• Multiple capital investments, each with its own maintenance program and spare parts inventory
• Operators managing load, transfer, and re-fixturing between machines
• Work-in-progress accumulating handling risk at every transition
• Three machines drawing energy, consuming floor space, requiring upkeep — simultaneously
• Cycle time padding that exists purely because of the gaps between operations
None of that overhead is inevitable. Steven Kinney, Director of Manufacturing Engineering at Symmons Industries, put it plainly after switching to the Multicenter: changeover dropped to 15 minutes, the machine freed up capacity on three other machines in their shop, and in some cases changeover is now zero minutes within the same valve family.
One Multicenter now makes complete what two machines manufactured in two operations. That’s not a marginal improvement — that’s a structural change in how the work gets done.
So What Exactly Is the Multicenter FMU 110?
The Porta Solutions Multicenter FMU 110 is a CNC flexible machining center built around a single concept: three fully independent working modules, each with its own ISO 40 spindle, XYZ displacement, and 12-position tool changer, all fed by a 4-station pallet changer.
Three of those four stations are active machining positions. The fourth is the load/unload station — operated during masked time while the other three spindles are cutting. The pallet rotates in 2.3 seconds. The machine is almost never not making chips.
Parts can be machined in a single progressive sequence — each spindle completing its operation before the table indexes — or the machine can run up to four different parts simultaneously. Full 4+1 axis machining is standard. Simple through complex geometry, nonferrous and ferrous materials including stainless, steel, alloys — all handled in one process.
One machine. Three independent spindles. The output of a battery of machining centers — in a fraction of the floor space.
Why Does the Frame Design Matter So Much?
Here’s what separates experienced machinists from everyone else: when evaluating a machine tool, the first thing you look at isn’t the spindle speed. It’s the structure.
The Multicenter FMU 110 frame was developed in cooperation with the Faculty of Mechanical Engineering at the University of Brescia — specifically to achieve absolute rigidity. Every frame is machined in Porta’s own manufacturing department. The pallet changer support seat and all three machining module mounting surfaces are hand-scraped to achieve perfect surface flatness.
The working modules themselves are built entirely from cast iron castings — made in Italy. Cast iron dampens vibration better than fabricated steel, maintains dimensional stability over time, and handles thermal effects more predictably. The axes slide on linear guides of extreme precision with 5-high precision preloaded bearings in the spindle assembly — suitable for heavy machining including stainless steel and titanium.
All electrical and mechanical moving parts are positioned outside the working area. That’s a deliberate design choice that extends module life and keeps reliability high over long production runs.
What Makes 3,600 Positioning Divisions So Significant?
Each of the four satellite tables offers 3,600 programmable divisions — 0.1° increments — with a 270mm diameter and 480mm maximum rotation diameter. Rotation time for 90° is 1 second.
In practice, this means the machine can approach your part from virtually any angle without re-fixturing. The B-axis rotary table on each station gives full 4+1 axis capability at every position. Complex geometries, compound features, parts that previously required separate setups on separate machines — handled in one continuous process.
Clamping is hydraulic and centralized — two hydraulic attachments standard per satellite table, with a 4-port option available. Consistent, measured clamping force every cycle. No variation between operators. The same hold, the same result, every time.
How many of your current re-fixturing steps exist simply because your existing machines can’t reach certain features? With the Multicenter, that constraint goes away.
What Happens If One Spindle Goes Down?
This is the question that reveals how differently the Multicenter is engineered from a conventional machining center.
Because all three working modules are fully independent, if one spindle requires maintenance it can be taken offline while the other two continue producing. You don’t lose the machine — you lose one-third of capacity, temporarily, while the rest of the system keeps running.
Compare that to a single-spindle machining center: one maintenance issue, and production stops entirely.
Three independent spindles isn’t just a productivity feature. It’s an uptime architecture.
How Much of Your Day Is Your Machine Actually Cutting?
If your answer is “not enough,” the Multicenter addresses this directly. Each of the three modules holds 12 tools with a double-arm exchanger — 36 tools total ready to cut, expandable to 72 with the 24-pocket magazine option. Chip-to-chip time is 3.4 seconds standard, or as fast as 2.65 seconds with the fast CNC tool exchanger option.
Changeover between part families takes under 15 minutes. Because the tool magazine stays loaded across families, in many cases operators swap only the fixture jaws — not the tooling. The machine handles the transition. The operator loads the next job.
Komet Austria consolidated all their milling work onto a single Multicenter after previously being unable to handle workload across multiple machines. The result: same number of operators, higher throughput, smaller footprint.
More cutting time per shift. Fewer interruptions. More parts out the door — without adding headcount.
Will Your Team Actually Be Able to Run It?
The Multicenter FMU 110 runs on Siemens 840D SL — one of the most widely deployed CNC platforms in precision manufacturing worldwide. Fanuc 30iB is available as an alternative. If your shop is already running either control, your operators already know the interface. Your programmers already have post-processors. Your CAM department doesn’t need to rebuild anything.
The Siemens 840D SL package includes a 15” touch screen, portable teach pendant, HMI PORTA interface on Windows platform, graphic display of machine layout and unit position, cycle time display for each module, tool life counters with automatic tool change, and teleservice with first-year license included.
Programming is ISO standard — the same language your operators already speak. Each working module has its own page in the CNC, so programming progresses spindle by spindle. There’s no proprietary system to learn and no synchronization programming required. The CNC handles it in the background.
The learning curve is as low as it gets for a machine that does this much.
What Are Shops Actually Saying?
Porta Solutions publishes verified customer testimonials with real names, titles, and company contact information. Here are a few that speak directly to production outcomes:
“Thanks to the Multicenter, we were able to move all the milling jobs to one machine, since the processing time per piece was reduced to about 30% compared to a one-spindle machining center. With the same number of operators, we managed to deal with the workload without hiring other technicians.”
Mr. Arno Drechsel • Owner • Komet Austria
“Significant changeover improvement at 15 minutes. In some cases, changeover is zero minutes within the same valve family. Operation and setup of the machine is much easier and doesn’t require a very skilled machinist. The smaller footprint is an added benefit as well.”
Steven Kinney • Director of Manufacturing Engineering • Symmons Industries, Inc.
“Ever since we installed the Multicenter, we have cut down on scrap, we are able to deliver much faster and we have reduced our production costs thanks to the quick re-tooling. We can now offer our customers faster deliveries at a more competitive price.”
Mr. Alexander Ostertag • Owner and Managing Director • Kühr GmbH, Austria
“We found the productivity is immediately five times better than the previous setup. Before, we had a twin-spindle lathe and two centers dedicated to those parts. Now the Multicenter is enough and we still have a good safety margin.”
Ing. Carlo Medina • Owner • Boeme S.r.l., Italy
Is the Multicenter FMU 110 the Right Move for Your Shop?
Not every machine is the right machine for every operation. Ask yourself:
• Are you currently running 2–3 machining centers on similar or related part families?
• Are your operators spending significant time on transfers, re-fixturing, and setups between machines?
• Do you produce mid-volume batches where both flexibility and throughput matter?
• Are you machining nonferrous or ferrous materials — aluminum, brass, cast iron, steel, stainless, titanium?
• Is floor space a constraint in your facility?
• Are you already running Siemens or Fanuc CNC — and want zero retraining?
• Are you looking for automation-ready infrastructure without massive fixture investment?
The Multicenter has been put to work in automotive, oil & gas, petrochemical, fittings, hydraulics, valves, energy, medical, military, and general precision manufacturing. If your parts fit that profile, this machine was designed for exactly that work.
Who Built This Platform — and Can You Trust the Engineering?
Porta Solutions S.p.A. was founded in 1958 in Brescia, Italy — in the heart of one of the world’s foremost precision manufacturing regions. Oscar Porta started in CNC transfer machines. His sons Giorgio and Maurizio developed the Multicenter concept in 2005, and have been refining it through direct customer production feedback ever since.
The Multicenter is not a sideline product. It is the company’s core platform — the result of decades of experience in rotary transfer technology applied to flexible CNC machining. Their US operation, Porta North America in Charlotte, NC, provides stateside support, installation, training, and service.
Amron, a division of AMTEC in Wisconsin, has been running Multicenter machines since 2011. Their engineering manager described the purchase experience as dealing with a first-class organization — cycle times matched what was quoted, installation and support were outstanding, and they were considering additional machines to replace their existing ones.
When you buy a Multicenter, you’re buying into a platform with real service infrastructure behind it — not an orphan machine from a builder who won’t pick up the phone.
Two Machines Available Now
Two Porta Solutions Multicenter FMU 110 units are currently available through Resell CNC — a rare opportunity to acquire this platform on the used market, with the full support infrastructure of Porta Solutions and Resell CNC’s US-based team behind each machine. Configuration details, condition documentation, and spindle hours are available on request.
These are two machines. When they’re gone, they’re gone.
View Our Porta Solutions listings HERE
Talk to our team: www.resellcnc.com • (844) 478-8181