Machine Comparison
Citizen Cincom A20 vs Tornos DECO 20a
Citizen Machinery vs Tornos · Swiss-Type Lathes
Summary
The Citizen Cincom A20 and the Tornos DECO 20a are both 20 mm-class Swiss-type lathes with 10,000 rpm main spindles and the same 200 mm turning length. The A20 is an entry-level machine; the DECO 20a is aimed at complex medical, watch and fuel injection parts and is listed with up to 10 axes against the A20's 7 (including C-axis).
The DECO 20a takes slightly larger bar, 20.5 mm (0.807 in) against 20 mm, has 5.5 kW (7.4 hp) of spindle power against 2.2 / 3.7 kW, and runs its sub-spindle to 10,000 RPM against 8,000 rpm. The A20 rapids at 32 m/min against 30 m/min (1,181 ipm), and is the lighter machine at 2,200 kg against 3,200 kg (7,055 lb) approx.
Specifications Comparison
| Specification | Citizen Cincom A20 | Tornos DECO 20a |
|---|---|---|
| Max Turning Diameter | 20 mm (25 option) | 20.5 mm (0.807 in) ▲ |
| Max Turning Length | 200 mm / 1 chucking (188 mm for 25) | 200 mm (7.87 in) |
| Max Spindle Speed | Max. 10,000 rpm | 10,000 RPM |
| Spindle Power | 2.2 / 3.7 kW | 5.5 kW (7.4 hp) ▲ |
| Sub-Spindle Speed | Max. 8,000 rpm | 10,000 RPM ▲ |
| Rapid Traverse | 32 m/min ▲ | 30 m/min (1,181 ipm) |
| Axes | 7 (including C-axis) | Up to 10 |
| Control | Citizen CNC | Tornos TB-DECO / TISIS |
| Machine Weight | 4,851 lb (2,200 kg) | 3,200 kg (7,055 lb) approx. |
Advantages
Citizen Cincom A20
- 32 m/min rapids against 30 m/min (1,181 ipm)
- Lighter machine at 4,851 lb (2,200 kg) against 3,200 kg (7,055 lb) approx.
- Aimed at shops entering Swiss turning or adding capacity for simpler part families
Tornos DECO 20a
- 5.5 kW (7.4 hp) spindle power against 2.2 / 3.7 kW
- 10,000 RPM sub-spindle against 8,000 rpm
- Up to 10 axes against 7 (including C-axis)
- 20.5 mm (0.807 in) turning diameter against 20 mm
Verdict
Choose the Tornos DECO 20a for complex medical implants, watch components and fuel injection parts in titanium and cobalt-chrome, where up to 10 axes, 5.5 kW and a 10,000 RPM sub-spindle let more operations run in one cycle. Choose the Citizen Cincom A20 for simpler, high-volume pins, contacts and connector parts, or as a lighter entry-level or second Swiss machine.