Machine Comparison
Hwacheon Hi-TECH 230B vs Okuma 2SP-150H
Hwacheon vs Okuma · CNC Lathes
Summary
The Hwacheon Hi-TECH 230B is a general-purpose turning center with a 10 in chuck and a choice of bed lengths for shaft work. The Okuma 2SP-150H is a two-spindle chucker with a 6 in (150 mm) chuck, built to turn short parts in two operations fed by its loader. They overlap only on small chucked work.
The Hwacheon takes far longer parts: 379 mm (14.9 in) of turning length as standard, 619 mm (24.4 in) on the L bed and 1,119 mm (44.1 in) on the XL, against 80 mm (3.15 in) on the Okuma, or 150 mm (5.91 in) without the loader. Its spindle is rated 18.5 / 15 kW (24.8 / 20.1 hp) against 11/7.5 kW (15/10 hp), and it rapids at 30 m/min (1,181 ipm) against 24 m/min (945 ipm). The Okuma spins faster, to 4,500 rpm against 3,500 rpm.
Specifications Comparison
| Specification | Hwacheon Hi-TECH 230B | Okuma 2SP-150H |
|---|---|---|
| Max Turning Length | 379 mm (14.9 in); L: 619 mm (24.4 in); XL: 1,119 mm (44.1 in); MC / YMC / (Y)SMC: 320 / 560 / 1,060 mm (12.6 / 22.0 / 41.7 in) | 80 mm (3.15 in), 150 mm (5.91 in) without loader |
| Chuck Size | 10 in (230B); 230A 8 in / 230C 10 in; sub-spindle 6 in on (Y)SMC | 6 in (150 mm) |
| Max Spindle Speed | 3,500 rpm (230B / 230C); 4,500 rpm (230A) | 50–4,500 rpm ▲ |
| Spindle Power | 18.5 / 15 kW (24.8 / 20.1 hp) ▲ | 11/7.5 kW (15/10 hp) |
| Spindle Taper / Nose | A2-8 (230B / 230C); A2-6 (230A) | 140 flat |
| Rapid Traverse | X / Z 30 / 30 m/min (1,181 ipm); Y 10 m/min (394 ipm); sub-spindle (B) 24 m/min (945 ipm) ▲ | 24 m/min (945 ipm) |
Advantages
Hwacheon Hi-TECH 230B
- 18.5 / 15 kW (24.8 / 20.1 hp) spindle against 11/7.5 kW (15/10 hp)
- 379 mm (14.9 in) of turning length, and up to 1,119 mm (44.1 in) on the XL bed, against 80 mm (3.15 in)
- 30 m/min (1,181 ipm) rapids in X and Z against 24 m/min (945 ipm)
Okuma 2SP-150H
- 4,500 rpm top spindle speed against 3,500 rpm
- Two spindles of equal rating handle both operations of a short part in one machine
- Loader-fed handling for chucked parts within 80 mm (3.15 in) of turning length
Verdict
Choose by part length and volume. The Hwacheon Hi-TECH 230B is the pick for shafts, bar work and larger chucked parts that need its 10 in chuck, an 18.5 / 15 kW (24.8 / 20.1 hp) spindle and up to 1,119 mm (44.1 in) of turning length. The Okuma 2SP-150H suits production of short, small-diameter parts within 80 mm (3.15 in), where two spindles and a loader take the part through both operations.