Machine Comparison
Mazak UD-400/5X vs Mazak VARIAXIS C
Yamazaki Mazak vs Yamazaki Mazak · 5-Axis Machining Centers
Summary
The Mazak UD-400/5X and Mazak VARIAXIS C are both from Yamazaki Mazak's 5-axis machining centers lineup, making this a common upgrade or lineup decision for shops already invested in the Yamazaki Mazak ecosystem. The Mazak VARIAXIS C shows specification advantages in 3 categories, though the Mazak UD-400/5X 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 | Mazak UD-400/5X | Mazak VARIAXIS C |
|---|---|---|
| Control | MAZATROL SmoothAi CNC | MAZATROL SmoothAi CNC |
| Spindle Taper | HSK-E40 | BIG-PLUS No.40 |
| Max Workpiece Diameter | 400 mm (15.75 in) | 730 mm [C-600], 850 mm [C-700] ▲ |
| Max Workpiece Height | 300 mm (11.81 in) | 450 mm [C-600], 500 mm [C-700] ▲ |
| Construction | Fully symmetrical double column | Full gantry without overhang |
| Price Range | $500,000 - $800,000 | $350,000 - $550,000 ▲ |
Advantages
Mazak UD-400/5X
- Backed by Yamazaki Mazak's dealer and service network for parts and support
- Optics manufacturers producing precision lens mounts, mirror substrates, and optical instrument components
Mazak VARIAXIS C
- Superior max workpiece diameter at 730 mm [C-600], 850 mm [C-700] vs 400 mm (15.75 in)
- Superior max workpiece height at 450 mm [C-600], 500 mm [C-700] vs 300 mm (11.81 in)
- More competitive pricing at $350,000 - $550,000 compared to $500,000 - $800,000
Verdict
The Mazak VARIAXIS C edges ahead on specifications in this comparison, particularly in max workpiece diameter and max workpiece height. However, the Mazak UD-400/5X 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.