Machine Comparison
Star Micronics SL-10 vs Star Micronics SR-10J
Star Micronics vs Star Micronics · Swiss-Type Lathes
Summary
The Star Micronics SL-10 and Star Micronics SR-10J 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. On paper, the Star Micronics SL-10 edges ahead with advantages in 7 of the compared specifications, though real-world performance depends heavily on your specific applications and workholding. 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 SL-10 | Star Micronics SR-10J |
|---|---|---|
| Control | FANUC 32i-B (10.4" color LCD) | FANUC 32i-B |
| Max Machining Diameter | 10 mm (25/64 in) | 10 mm (25/64 in) |
| Max Headstock Stroke Rmgb | 75 mm | 105 mm (4-9/64 in) ▲ |
| Main Spindle Speed | 18,000 RPM (stationary GB) / 15,000 RPM (RGB) ▲ | 15,000 RPM |
| Main Spindle Power | 3.7 kW continuous / 5.5 kW (10 min, 25% ED) ▲ | 2.2 kW continuous / 3.7 kW (15 min, 60% ED) |
| Sub Spindle Speed | 12,000 RPM ▲ | 10,000 RPM |
| Sub Spindle Power | 0.55 kW continuous / 1.1 kW (15 min, 40% ED) | 0.55 kW continuous / 1.1 kW (15 min, 50% ED) |
| Back Unit | 6-spindle (6 tools) ▲ | 4-spindle |
| Rapid Feed Rate | 35 m/min (X1, X2, Y1, Z1, Z2), 15 m/min (Y2) | 35 m/min |
| C Axis | Main and sub spindle | Main and sub spindle (with clamp) |
| Coolant Tank | 109 L ▲ | 89 L |
| Machine Weight | 1,600 kg (3,527 lb) ▲ | 1,400 kg (3,086 lb) |
| Dimensions | 1,865 x 795 x 1,815 mm | 1,865 x 775 x 1,695 mm |
| Price Range | $70,000 - $120,000 ▲ | $80,000 - $130,000 |
Advantages
Star Micronics SL-10
- Superior main spindle speed at 18,000 RPM (stationary GB) / 15,000 RPM (RGB) vs 15,000 RPM
- Superior main spindle power at 3.7 kW continuous / 5.5 kW (10 min, 25% ED) vs 2.2 kW continuous / 3.7 kW (15 min, 60% ED)
- Superior sub spindle speed at 12,000 RPM vs 10,000 RPM
- Superior back unit at 6-spindle (6 tools) vs 4-spindle
- Superior coolant tank at 109 L vs 89 L
Star Micronics SR-10J
- Superior max headstock stroke rmgb at 105 mm (4-9/64 in) vs 75 mm
- Backed by Star Micronics's dealer and service network for parts and support
- Medical device manufacturers producing micro screws, dental pins, hearing aid components, and micro-implant hardware under 10mm diameter
Verdict
The Star Micronics SL-10 holds a spec advantage in this comparison, but the right choice depends on your shop's priorities. If the Star Micronics SL-10's strengths in areas like main spindle speed and main spindle power align with your work, it's the clear pick. The Star Micronics SR-10J may still win on dealer proximity, existing tooling compatibility, or specific features that matter most to your applications. Request quotes from both dealers and, if possible, run your actual parts on each machine before deciding.