Machine Comparison
Hermle C 42 U vs Hermle C 52 U
Hermle vs Hermle · 5-Axis Machining Centers
Summary
The Hermle C 42 U and Hermle C 52 U are both from Hermle's 5-axis machining centers lineup, making this a common upgrade or lineup decision for shops already invested in the Hermle ecosystem. The Hermle C 42 U leads in rapid traverse (45 m/min (1,772 ipm) vs 40 m/min (1,575 ipm)). The Hermle C 52 U shows specification advantages in 5 categories, though the Hermle C 42 U may still be the better choice depending on your shop's specific needs and the type of work you run. Both machines are proven performers in production environments and represent solid investments for shops in the market for a 5-axis machining center.
Specifications Comparison
| Specification | Hermle C 42 U | Hermle C 52 U |
|---|---|---|
| Rapid Traverse | 45 m/min (1,772 ipm) ▲ | 40 m/min (1,575 ipm) |
| Accuracy | +/- 0.005 mm | +/- 0.006 mm |
| Repeatability | +/- 0.003 mm | +/- 0.003 mm |
| Control | Heidenhain TNC 640 or Siemens 840D sl | Heidenhain TNC 640 or Siemens 840D sl |
| X Axis Travel | 800 mm (31.5 in) | 1,000 mm (39.4 in) ▲ |
| Y Axis Travel | 800 mm (31.5 in) | 1,100 mm (43.3 in) ▲ |
| Z Axis Travel | 550 mm (21.7 in) | 750 mm (29.5 in) ▲ |
| A Axis Swivel | +/- 115 degrees | +/- 115 degrees |
| C Axis | 360 degrees continuous | 360 degrees continuous |
| Table Diameter | 800 mm (31.5 in) | 1,000 mm (39.4 in) ▲ |
| Table Load Capacity | 700 kg (1,543 lb) | 1,500 kg (3,307 lb) ▲ |
| Spindle Speed | 15,000 rpm (standard); up to 42,000 rpm optional | 15,000 rpm (standard); up to 42,000 rpm optional |
| Spindle Motor | 29 kW (39 hp) | 29 kW (39 hp) |
| Spindle Taper | HSK-A63 | HSK-A63 |
| Price Range | $550,000 - $800,000 (new); $350,000 - $550,000 (used) ▲ | $700,000 - $1,100,000 (new); $450,000 - $700,000 (used) |
Advantages
Hermle C 42 U
- Faster rapid traverse at 45 m/min (1,772 ipm) reduces non-cutting time between operations
- More competitive pricing at $550,000 - $800,000 (new); $350,000 - $550,000 (used) compared to $700,000 - $1,100,000 (new); $450,000 - $700,000 (used)
- Backed by Hermle's dealer and service network for parts and support
- Aerospace structural components and impellers
Hermle C 52 U
- Superior x axis travel at 1,000 mm (39.4 in) vs 800 mm (31.5 in)
- Superior y axis travel at 1,100 mm (43.3 in) vs 800 mm (31.5 in)
- Superior z axis travel at 750 mm (29.5 in) vs 550 mm (21.7 in)
- Superior table diameter at 1,000 mm (39.4 in) vs 800 mm (31.5 in)
- Superior table load capacity at 1,500 kg (3,307 lb) vs 700 kg (1,543 lb)
Verdict
The Hermle C 52 U edges ahead on specifications in this comparison, particularly in x axis travel and y axis travel. However, the Hermle C 42 U remains competitive and may be the better choice depending on price, dealer support in your area, or specific workholding and tooling considerations. Both are capable machines — the best decision comes from running your actual parts and evaluating total cost of ownership including tooling, training, and service.