Item / Model SA-20PYII SA-26PYII SA-32PYII SA-38PYII
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Bar Feeder
Bar Feeder
Bar Feeder
Bar Feeder
Number of Axes 8 8 8 8
Number of Channels 2 2 2 2
Bar Capacity 20 mm 26 mm 32 mm 38 mm
Guide Bushing Type Exchangeable Exchangeable Exchangeable Exchangeable
Main Spindle (Integral) 5 HP / 10,000 RPM 10 HP / 8,000 RPM 10 HP / 8,000 RPM 10 HP / 8,000 RPM
Sub Spindle (Integral) 3 HP / 8,000 RPM 5 HP / 8,000 RPM 5 HP / 8,000 RPM 5 HP / 8,000 RPM
Max. Turning Length
with Guide / without Guide Bushing
8″ / 2.36″ 8″ / 2.36″ 8″ / 3.15″ 8″ / 3.15″
Total Tools 27 25 25 24
Fixed Tools (Front/Rear) 12 / 4 12 / 4 12 / 4 11 / 4
Live Tools (Front/Rear) 7 / 4 5 / 4 5 / 4 5 / 4
Live Tools 3 HP / 6,000 RPM 3 HP / 6,000 RPM 3 HP / 6,000 RPM 3 HP / 6,000 RPM
B Axis N/A N/A N/A N/A
C Axis Contouring Main/Sub Main/Sub Main/Sub Main/Sub
Weight 7,260 lbs. 7,480 lbs. 7,700 lbs. 7,920 lbs.

When should a shop consider buying a CNC Swiss lathe?

If your shop runs high volume parts and needs the ability to run lights out, then a Swiss lathe may be a great option. Changeover on a Swiss lathe is minimal, especially when running a family group of similar style parts together. With the exception of changing out collets, an operator can load a new program and start cutting in typically a few hours at the most. Components machined on a Swiss lathe are also more reliably turned than with a conventional lathe and can therefore meet high accuracy specifications. This increased accuracy means that switching to a Swiss from a conventional lathe can reduce costs related to returned parts as well as delayed lead time and retooling costs.

What if I don’t want to use a guide bushing on a Swiss lathe?

The rigidity offered by the guide bushing makes it one of the best attributes of a Swiss lathe. If a shop doesn’t see the need for the guide bushing, then they are better off buying a conventional lathe for less money.

How many axes does a CNC Swiss lathe have?

The number of axes varies depending on the options. For instance, the SA(PYII) features a total of 8 axes (Z1, X1, Y1, Z2, X2, Y2, C1, and C2). Nexturn, and other brands of Swiss lathes, have options for a Y axis on the backside. Other models also have B-axes for use with angular drilling tools. Most conventional Swiss machines have anywhere from 7-9 axes.

What applications and industries are Swiss lathes best suited for?

Swiss machining has become the process of choice for a wide range of applications and industries that require accuracy, quick production times, and a reduction in variable costs. This includes turning applications with live tooling for cross-holes using milling, drilling, and or tapping, as well as parts that require high precision in high volume. Industries that require high precision metal machining include aerospace, defense, electronics, medical, and automotive.
Read more Swiss lathe FAQs