# DN Solutions PUMA ST 20GS II

Hardware · `PUMA ST 20GS II` · verification: source checked

The PUMA ST 20GS II is a Swiss-type turning center with a main spindle and a sub spindle, intended for continuous machining of small parts. It has a maximum turning diameter of 20 mm and a maximum turning length of 200 mm, with X- and Z-axis travels of 90 mm and 200 mm. The machine carries 23 tool stations and uses a built-in main spindle motor.

## Specification

| Property | Value |
|---|---|
| Category | cnc lathe |
| Weight | 2600 kg |
| Travel X | 90 mm |
| Travel Z | 200 mm |
| Spindle max | 10000 rpm |
| Spindle power | 3.7 kW |
| Rapid traverse | 32 m/min |
| Tool capacity | 23 |
| Max turning diameter | 20 mm |
| Max turning length | 200 mm |

## Connected

- Manufacturer: [DN Solutions](https://machineschema.com/manufacturer/dn-solutions.md)

## Study notes

- Main spindle speed is 10000 r/min with 3.7 kW; sub spindle speed is 8000 r/min with 3.7 kW.
- X- and Z-axis rapid traverse are both 32 m/min.
- Machine dimensions are 2367 mm length, 1245 mm width and 1733 mm height.
- Four cross rotary tool holders are fitted as standard; up to five cross tools can be used for milling and special machining.
- CBS (Chip Breaking Solution) is standard, breaking chips by repeated traverse of the axes; CBS Advanced adds screw thread cutting.
- Supported machining modes include internal/external turning, R machining, grooving, cutting and drilling.
- The series is described as suitable for parts with diameters from 20 mm to 38 mm, and the feature set applies to all Swiss-turn models and to selected 8-inch or smaller turning centers.
- Specifications are stated as global standard and may differ by region.

## Sources

1. [DN Solutions](https://www.dn-solutions.com/global/product/turning-center/swissturn/puma-st-20-gs-ii.do) (accessed 2026-10-26)

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