Machine Comparison
Mitsui Seiki H6D vs Toshiba BTD-200QH
Mitsui Seiki vs Shibaura Machine (Toshiba Machine) · CNC Boring Machines
Summary
The Mitsui Seiki H6D from Mitsui Seiki and Toshiba BTD-200QH from Shibaura Machine (Toshiba Machine) are direct competitors in the cnc boring machines category. The Toshiba BTD-200QH leads in x travel (1,500 mm (59.1 in) vs 600 mm (23.6 in)). The Toshiba BTD-200QH shows specification advantages in 5 categories, though the Mitsui Seiki H6D 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 boring machine.
Specifications Comparison
| Specification | Mitsui Seiki H6D | Toshiba BTD-200QH |
|---|---|---|
| X-Axis Travel | 600 mm (23.6 in) | 1,500 mm (59.1 in) ▲ |
| Y-Axis Travel | 700 mm (27.6 in) | 1,200 mm (47.2 in) ▲ |
| Z-Axis Travel | 500 mm (19.7 in) | 700 mm (27.6 in) ▲ |
| Table Size | 630 x 500 mm (24.8 x 19.7 in) | 1,000 x 1,200 mm (39.4 x 47.2 in) ▲ |
| Control | Fanuc 31i-B | TOSNUC 999 CNC |
| Spindle Taper | BT50 | #50 (BT50) |
| Price Range | $400,000 - $600,000 | $350,000 - $600,000 ▲ |
Advantages
Mitsui Seiki H6D
- Backed by Mitsui Seiki's dealer and service network for parts and support
- Hydraulic manifold manufacturers requiring precision bore relationships across multiple faces in a single setup
Toshiba BTD-200QH
- Greater x travel of 1,500 mm (59.1 in) accommodates larger workpieces
- Greater y travel of 1,200 mm (47.2 in) accommodates larger workpieces
- Greater z travel of 700 mm (27.6 in) accommodates larger workpieces
- Superior table size at 1,000 x 1,200 mm (39.4 x 47.2 in) vs 630 x 500 mm (24.8 x 19.7 in)
- More competitive pricing at $350,000 - $600,000 compared to $400,000 - $600,000
Verdict
The Toshiba BTD-200QH edges ahead on specifications in this comparison, particularly in X Travel and Y Travel. However, the Mitsui Seiki H6D 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.