Machine Comparison
Star Micronics eCA-S20 vs Star SV-38R
Star Micronics vs Star Micronics · Swiss-Type Lathes
Summary
The Star Micronics eCA-S20 and Star SV-38R are both from Star Micronics's swiss-type lathes lineup, making this a common upgrade or lineup decision for shops already invested in the Star Micronics ecosystem. 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 | Star Micronics eCA-S20 | Star SV-38R |
|---|---|---|
| Max Machining Diameter | 20 mm (25/32 in) | 38 mm (1.50 in) ▲ |
| Number Of Axes | 10 | Up to 10 (including Y1, Y2, C1, C2) |
| Main Spindle Speed | 10,000 RPM ▲ | 8,000 RPM |
| Guide Bushing | Non-guide bush (dedicated design) | Yes (guide bushing and NGB available) |
| Power Consumption | 8.0 kVA | 16 kVA ▲ |
| Machine Weight | 3,500 kg (7,716 lb) | 3,800 kg (8,378 lb) ▲ |
| Price Range | $150,000 - $250,000 ▲ | $380,000 - $550,000 |
Advantages
Star Micronics eCA-S20
- Superior main spindle speed at 10,000 RPM vs 8,000 RPM
- More competitive pricing at $150,000 - $250,000 compared to $380,000 - $550,000
- 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
Star SV-38R
- Superior max machining diameter at 38 mm (1.50 in) vs 20 mm (25/32 in)
- Superior power consumption at 16 kVA vs 8.0 kVA
- Superior machine weight at 3,800 kg (8,378 lb) vs 3,500 kg (7,716 lb)
Verdict
This is a close matchup. The Star Micronics eCA-S20 and Star SV-38R 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.