Machine Comparison
Citizen Cincom A20 vs Star Micronics eCA-S20
Citizen Machinery vs Star Micronics · Swiss-Type Lathes
Summary
The Citizen Cincom A20 from Citizen Machinery and Star Micronics eCA-S20 from Star Micronics are direct competitors in the swiss-type lathes category. These machines are closely matched across most specifications, making the decision more about specific feature priorities, dealer support, and your existing shop ecosystem than raw spec advantages. Both machines are proven performers in production environments and represent solid investments for shops in the market for a swiss-type lathe.
Specifications Comparison
| Specification | Citizen Cincom A20 | Star Micronics eCA-S20 |
|---|---|---|
| Max Machining Diameter | 20 mm (0.787 in) | 20 mm (25/32 in) |
| Main Spindle Speed | 10,000 RPM (up to 15,000 RPM on select variants) | 10,000 RPM |
| Main Spindle Power | 2.2/3.7 kW (3/5 HP) | 2.2 kW continuous / 3.7 kW (30 min), built-in motor drive |
| Number Of Axes | 7 (including C-axis) | 10 ▲ |
| Guide Bushing | Yes | Non-guide bush (dedicated design) |
| Power Consumption | 7.1 kVA | 8.0 kVA ▲ |
| Price Range | $100,000 - $180,000 ▲ | $150,000 - $250,000 |
Advantages
Citizen Cincom A20
- More competitive pricing at $100,000 - $180,000 compared to $150,000 - $250,000
- Backed by Citizen Machinery's dealer and service network for parts and support
- Shops entering the Swiss-type market that need proven Citizen quality at the most accessible price point
Star Micronics eCA-S20
- Superior number of axes at 10 vs 7 (including C-axis)
- Superior power consumption at 8.0 kVA vs 7.1 kVA
- Backed by Star Micronics's dealer and service network for parts and support
- Shops producing shorter-ratio parts (L/D under 3:1) where guide bush support is unnecessary and bar waste reduction provides direct material cost savings
Verdict
This is a close matchup. The Citizen Cincom A20 and Star Micronics eCA-S20 trade advantages across different specifications, making neither a clear winner on paper alone. Your decision should come down to practical factors: which dealer is closer, which control system your operators already know, what tooling ecosystem you're invested in, and which machine's specific strengths match your highest-volume work. Get quotes on both, run test cuts with your actual parts if possible, and factor in long-term service and support costs.