Hwacheon Hi-Tech 450B
Key Specifications
X Travel
Z Travel
Rapid Traverse
Spindle Power
Max Turn Length
max turning diameter
Overview
The Hwacheon Hi-Tech 450B is a heavy-duty horizontal CNC turning center from the South Korean manufacturer Hwacheon Machine Tool, designed for production turning of medium-to-large shaft and chucked parts. With a maximum turning diameter of 640 mm over the bed and a maximum turning length of 1,550 mm, the Hi-Tech 450B handles the mid-range workpiece sizes common in general engineering, oil and gas, hydraulics, and heavy equipment manufacturing.
The main spindle features a 305 mm (12-inch) hydraulic chuck bore with 254 mm bar capacity through a 3-jaw hydraulic chuck, delivering 30 kW of continuous power at up to 2,500 RPM. The A2-8 spindle nose accepts standard chuck configurations, and spindle torque of 1,200 Nm ensures confident roughing in steel, stainless steel, and cast iron without speed compromise. The 12-station servo-driven turret accepts VDI 50 tooling with BMT (Base Mount Tooling) capability for live tool operations on the Y-axis-equipped variant.
The bed is a one-piece, heavily ribbed cast iron construction with Meehanite-grade casting, heat-treated and stress-relieved for long-term dimensional stability. Box ways on both X and Z axes provide the vibration damping and load capacity that roller guideways can't match for heavy turning applications. X-axis travel is 260 mm with Z-axis travel of 1,550 mm, and rapids hit 24 m/min on X and 24 m/min on Z.
Hwacheon has been building machine tools since 1945 and is South Korea's oldest machine tool manufacturer. The Hi-Tech 450B reflects their focus on durability and value — these machines are built to take heavy cuts day after day in demanding production environments. The Fanuc 0i-TF Plus control provides reliable, proven CNC capability with a programming environment that operators worldwide are familiar with. New Hi-Tech 450B machines typically price between $95,000 and $150,000, making them a strong value proposition against comparable Japanese and European lathes. The machine competes with the Doosan Puma 4100, DMG MORI CLX 450, and Okuma LB4000 EX II.
Full Specifications
| Parameter | Value |
|---|---|
| Max Turning Diameter | 640 mm (25.2 in) over bed |
| Max Turning Length | 1,550 mm (61 in) |
| Chuck Size | 305 mm (12 in) hydraulic |
| Bar Capacity | 80 mm (3.15 in) through spindle |
| Spindle Speed | 2,500 RPM |
| Spindle Motor Power | 30 kW (40 hp) continuous |
| Spindle Torque | 1,200 Nm (885 ft-lb) |
| Spindle Nose | A2-8 |
| X-Axis Travel | 260 mm (10.2 in) |
| Z-Axis Travel | 1,550 mm (61 in) |
| Rapid Traverse Rate | 24 m/min (945 IPM) X and Z |
| Turret | 12-station servo turret, VDI 50 / BMT |
| Guideways | Box ways (X and Z) |
| Tailstock Quill Diameter | 120 mm (4.72 in) |
| CNC Control | Fanuc 0i-TF Plus |
| Machine Weight | 7,500 kg (16,535 lb) |
Strengths & Limitations
Strengths
- Box way construction on both axes provides superior vibration damping and load-carrying capacity for heavy interrupted cuts and large-diameter roughing operations
- 30 kW spindle with 1,200 Nm torque delivers confident heavy cutting in steel and cast iron without the chatter that under-powered machines produce
- 1,550 mm Z-axis travel handles long shaft work that shorter-bed lathes can't accommodate — a versatile range for general engineering and oil/gas components
- Hwacheon's Meehanite cast iron bed with heavy ribbing provides the mass and rigidity for sustained accuracy over years of production use
- Competitive pricing at $95K-$150K delivers heavy-duty turning capability at 30-40% less than comparable Japanese and European lathes
- Fanuc 0i-TF Plus control is a proven, widely supported platform — operators and service technicians are readily available
Limitations
- 2,500 RPM maximum spindle speed limits high-speed finishing on small diameters — shops doing significant small-diameter work may want a higher-speed machine
- Box ways require more careful maintenance (lubrication, adjustment) than roller guideways, and rapids are slower than guideway machines
- 24 m/min rapid traverse is adequate but not fast — high-volume production with frequent long-distance positioning may see cycle time impact
- Hwacheon's dealer network in North America is smaller than Doosan, Mazak, or DMG MORI, potentially affecting parts and service response times in some regions
Best For
Frequently Asked Questions
01
Both are Korean-built heavy-duty CNC lathes in a similar size class. The Hwacheon Hi-Tech 450B uses box ways on both axes for maximum rigidity, while the Doosan Puma 4100 uses roller guideways for faster rapids and higher positioning accuracy. The Hwacheon typically prices 10-15% below the Doosan. For heavy roughing and vibration-sensitive work, the Hwacheon's box ways are preferred. For higher production speed and precision finishing, the Doosan's linear guides have the edge.
02
New Hi-Tech 450B machines price between $95,000 and $150,000 depending on bed length, chuck size, live tooling capability, Y-axis option, and tailstock configuration. A base 2-axis turning-only configuration sits around $95K, while a fully equipped Y-axis mill-turn variant with live tooling pushes toward $150K. Used machines from the 2010s can be found in the $40,000-$70,000 range.
03
The Hi-Tech 450B is available with live (driven) tool capability in the VDI 50 / BMT turret. The Y-axis variant adds off-center milling, drilling, and tapping capability. Live tool speed is typically 4,000-6,000 RPM with 5.5-7.5 kW of driven tool power. The C-axis provides angular positioning for cross-drilling and milling operations. Shops that need milling capability should specify the Y-axis/live-tool configuration at time of order.
04
Box ways (also called flat ways or slideway construction) use large, flat bearing surfaces between the saddle and bed, as opposed to roller guideway systems that use recirculating ball/roller bearings on profiled rails. Box ways provide superior vibration damping and load-carrying capacity, making them ideal for heavy roughing, interrupted cuts, and large-diameter turning. The tradeoff is slower rapid traverse speeds and higher maintenance requirements compared to linear guideways.
05
Hwacheon is South Korea's oldest machine tool manufacturer, founded in 1945. They have a strong reputation for building durable, heavy-duty turning centers that last decades in demanding production environments. While less well-known in North America than Doosan or Hyundai WIA, Hwacheon has a loyal following among shops that value box-way rigidity and long-term reliability. Their US operations are based in the Atlanta area with regional service coverage.
06
The Hi-Tech 450B accepts bar stock up to 80 mm (3.15 inches) diameter through the spindle bore. This is adequate for medium-size bar work including hydraulic fittings, fasteners, and automotive shafts. For bar feeding operations, the machine pairs with standard magazine-type bar feeders from LNS, FMB, IEMCA, and other brands. The Fanuc control supports standard bar feeder interface protocols.
Videos
Ward Hi-Tech Limited
Hwacheon Asia
Hwacheon Asia
MTDCNC
Ward Hi-Tech Limited
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