Machine Comparison
DMG Mori CTX 450 4A vs DMG Mori CTX 550
DMG Mori vs DMG Mori · CNC Lathes
Summary
The DMG Mori CTX 450 4A and DMG Mori CTX 550 are both from DMG Mori's cnc lathes lineup, making this a common upgrade or lineup decision for shops already invested in the DMG Mori ecosystem. The DMG Mori CTX 550 leads in chuck size (381 mm (15 in) vs 254 mm (10 in)). The DMG Mori CTX 550 shows specification advantages in 9 categories, though the DMG Mori CTX 450 4A 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 cnc lathe.
Specifications Comparison
| Specification | DMG Mori CTX 450 4A | DMG Mori CTX 550 |
|---|---|---|
| Rapid Traverse | 30 m/min (1,181 ipm) X and Z | 30 m/min (1,181 ipm) X and Z |
| Chuck Size | 254 mm (10 in) | 381 mm (15 in) ▲ |
| Bar Capacity | 65 mm (2.56 in) | 102 mm (4.0 in) ▲ |
| Max Turning Diameter | 400 mm (15.7 in) | 550 mm (21.7 in) ▲ |
| Max Turning Length | 1,100 mm (43.3 in) | 1,405 mm (55.3 in) ▲ |
| Control | CELOS with FANUC or Siemens (dual-channel) | CELOS with FANUC or Siemens |
| Spindle Nose | A2-8 | A2-11 |
| X Axis Travel | 260 mm (10.2 in) | 310 mm (12.2 in) ▲ |
| Y Axis Travel | +/-52.5 mm (+/-2.1 in), optional | +/-60 mm (+/-2.4 in), optional ▲ |
| Z Axis Travel | 1,100 mm (43.3 in) | 1,405 mm (55.3 in) ▲ |
| Turret Type | VDI 40 or BMT 55 | VDI 50 or BMT 65, 12-station ▲ |
| Driven Tool Speed | Up to 10,000 RPM (BMT 55) | Up to 10,000 RPM (BMT 65) |
| Machine Weight | 7,000 kg (15,432 lb) | 8,500 kg (18,739 lb) ▲ |
| Price Range | 20,000 - 00,000 | 20,000 - 10,000 |
Advantages
DMG Mori CTX 450 4A
- Backed by DMG Mori's dealer and service network for parts and support
- Medium-to-high volume production shops where cycle time reduction directly drives profitability on quoted work
DMG Mori CTX 550
- Superior chuck size at 381 mm (15 in) vs 254 mm (10 in)
- Superior bar capacity at 102 mm (4.0 in) vs 65 mm (2.56 in)
- Superior max turning diameter at 550 mm (21.7 in) vs 400 mm (15.7 in)
- Superior max turning length at 1,405 mm (55.3 in) vs 1,100 mm (43.3 in)
- Superior x axis travel at 310 mm (12.2 in) vs 260 mm (10.2 in)
Verdict
The DMG Mori CTX 550 edges ahead on specifications in this comparison, particularly in Chuck Size and Bar Capacity. However, the DMG Mori CTX 450 4A 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.