CNC Swiss Lathes: Precision Turning for Complex Small Parts

CNC Swiss lathes (also called Swiss-type CNC lathes or CNC Swiss screw machines) are built for tight-tolerance production of small, complex components—especially long, slender parts that benefit from guide bushing support. For many manufacturers, a Swiss lathe is the fastest path to “done-in-one” machining with excellent surface finish, strong concentricity, and consistent repeatability.

Browse all equipment in this family here: CNC Swiss Lathe. If you want to widen your search beyond this type page, see the full category here: CNC Swiss.

What Is a CNC Swiss Lathe?

A CNC Swiss lathe is a bar-fed turning machine that uses a sliding headstock and a guide bushing to support material close to the cutting tools. This design reduces part deflection, which is why Swiss machines excel at small-diameter work and high-precision parts. Many modern Swiss lathes include advanced features like a sub-spindle, live tooling, and multi-axis control to complete complex parts in a single setup.

What Parts Are CNC Swiss Lathes Used For?

Buyers often land on Swiss because their parts demand accuracy, consistency, and feature density. CNC Swiss lathes are commonly used in medical, aerospace, defense, electronics, automotive, hydraulics, and industrial hardware manufacturing.

Typical Swiss-turned components include:

  • Medical screws, bone fasteners, implants, and surgical device components
  • Electrical pins, connectors, terminals, and sensor bodies
  • Aerospace bushings, fittings, precision shafts, and pins
  • Hydraulic fittings, sleeves, spacers, and high-precision hardware

Why Choose a CNC Swiss Lathe Instead of a Standard CNC Lathe?

This is one of the most common search questions because the best machine depends on part geometry. In general:

  • Swiss lathes are ideal for small diameters, long/slender parts, tight tolerances, and complex features produced from bar stock.
  • Standard CNC lathes/turning centers are often better for larger diameters, chucking work, and parts that don’t benefit from guide bushing support.

If your parts require excellent concentricity, minimal deflection, and lots of secondary features, Swiss machines often deliver better stability and shorter cycle times versus multiple setups across different machines.

What Is a Guide Bushing and Why Does It Matter?

The guide bushing is central to Swiss performance. It supports the bar stock very close to the cutting zone, which reduces vibration and deflection—especially on long, thin parts. That support typically improves:

  • Surface finish and dimensional stability
  • Concentricity and repeatability
  • Tool life and process consistency over long runs

Many Swiss machines can also run in a “bushingless” mode for shorter parts, giving shops flexibility depending on part length and geometry.

Bar Capacity: How Do I Choose 12mm vs 20mm vs 32mm?

Bar capacity is one of the fastest ways to narrow a Swiss search. Most buyers choose a capacity that covers their largest recurring bar diameter (with a little buffer for future work). Common ranges include:

  • 12mm–16mm: popular for medical and small precision components
  • 20mm: a versatile “middle” capacity for mixed small-part work
  • 25mm–32mm: common for larger Swiss work and higher-output production

When buying used, confirm the included guide bushings and collets match your target diameter range—and verify the bar feeder interface is compatible.

Do I Need Live Tooling and a Y-Axis on a Swiss Lathe?

Many buyers search this because the “right” Swiss is defined by features, not just bar size.

  • Live tooling enables milling, cross drilling, and tapped features without moving the part to a second machine.
  • Y-axis capability supports true off-center milling and more complex geometry, often reducing cycle time and setups.

If your parts include flats, cross holes, milled pockets, or features that would otherwise require secondary ops, live tooling (and sometimes Y-axis) can dramatically improve throughput and consistency.

Do I Need a Sub-Spindle for Backworking?

A sub-spindle (sometimes called a secondary spindle) enables backworking so you can finish the part completely in one cycle. This is especially valuable when parts require second-side drilling, boring, threading, or finishing operations.

If you want “done-in-one” production and reduced part handling, a sub-spindle configuration is often worth prioritizing.

How Much Does a Used CNC Swiss Lathe Cost?

The cost of a used CNC Swiss lathe varies based on brand, model year, axis configuration, options (sub-spindle/live tooling/Y-axis), condition, and the completeness of the package. Major pricing factors include:

  • Machine capability: axis count, live tooling, sub-spindle, and automation features
  • Mechanical condition: spindles, ways, and live tool drives
  • Included support equipment: bar feeder, chip conveyor, filtration, coolant pressure
  • Tooling package: holders, guide bushings, collets, and spare parts

Buying used can be an excellent value when the machine matches your part family and comes with the accessories needed to run production quickly.

What Should I Check Before Buying a Used CNC Swiss Lathe?

Because Swiss machines are precision systems, buyers typically evaluate both mechanical condition and system completeness. A practical checklist includes:

  • Main/sub spindle health: noise, heat, vibration, runout (when possible)
  • Guide bushing alignment and wear: critical for precision and finish
  • Live tooling condition: backlash, drive health, smooth operation
  • Axis motion and backlash: smoothness, repeatability, lubrication integrity
  • Control condition: alarms, backups, parameter integrity, I/O health
  • Coolant & chip handling: pumps, filtration, chip evacuation performance
  • Bar feeder compatibility: correct diameter range and interface

Also confirm what’s included (tooling, manuals, spares) and what’s required for installation/commissioning.

Tooling and Accessories That Matter Most on Swiss Lathes

Buyers frequently search this because the “all-in” cost depends heavily on what comes with the machine. Value-driving items include:

  • Bar feeder matched to capacity and production needs
  • High-pressure coolant for deep drilling and chip control
  • Chip conveyor and filtration for uptime and consistent finish quality
  • Tooling package (holders, guide bushings, collets, spare live tool units)
  • Workholding options tuned to your part family (collets, bushings, pickup systems)

Find CNC Swiss Lathes for Sale

To browse machines in this equipment family, you’re in the right place: CNC Swiss Lathe. If you’d like to expand your search to all Swiss-type CNC equipment, view the category here: CNC Swiss.

If you don’t see the exact bar capacity or configuration you need today (sub-spindle, live tooling, Y-axis, bar feeder), reach out with your requirements. Inventory changes quickly, and the best-fit Swiss machines are often sourced based on part details and production goals.