Hwacheon Vertical Machining Centers (VMC)

Hwacheon SMART Ua STEEL

Specs verified 2026-10-03 · hwacheon.com Updated 2026-10-03

Image: hwacheon.com, Hwacheon

Key Specifications

Max Spindle

12,000 rpm (12K) / 14,000 rpm (14K) / 20,000 rpm (20K) / 24,000 rpm (24K)

Spindle Taper

ISO#40, 7/24 Taper (BBT-40)

Tool Capacity

120

Table Size

1,200 x 600 mm (47.2 x 23.6 in)

Spindle Power

12K, 20K, 24K: 37 / 18.5 kW (49.6 / 24.8 hp); 14K: 37 / 22 kW (49.6 / 29.5 hp)

x axis travel

1,050 mm (41.3 in)

How much does the Hwacheon SMART Ua STEEL cost?

Price estimate

Uncertain

We do not have a price for the Hwacheon SMART Ua STEEL that we can stand behind, so we show no number. Configuration, options and installation move the final price a long way: a quote is the reliable figure.

Overview

The Hwacheon SMART Ua STEEL is a 40-taper vertical built around a 120-tool magazine: 1,050 mm (41.3 in) of X, 600 mm (23.6 in) of Y and 550 mm (21.7 in) of Z over a 1,200 x 600 mm (47.2 x 23.6 in) table, run by Hwacheon's H-SMARTS control. The magazine is what sets it apart. The SIRIUS-UL+, which shares the table, the 800 kg (1,764 lb) load rating and the spindle choices, holds 30 tools with 40 as an option.

A 120-pocket fixed-address magazine lets one machine keep the tooling for many different jobs loaded at once, or carry sister tools for long unattended runs. The limits per pocket are tight, though: tools up to 300 mm (11.8 in) long, 8 kg (17.6 lb), and Ø90 mm (Ø3.5 in) with neighbours in place or Ø170 mm (Ø6.7 in) with the adjacent pockets empty.

Four built-in spindles are listed. The 12K, 20K and 24K run to 12,000, 20,000 and 24,000 rpm and are rated 37 / 18.5 kW (49.6 / 24.8 hp); the 14K runs to 14,000 rpm and is rated 37 / 22 kW (49.6 / 29.5 hp), the highest second figure of the four, which makes it the pick for sustained cutting in steel. The 12K, 14K and 20K take MAS-403 BBT-40 shanks with CAT-40, SK-40 or HSK-A63 as options; the 24K is HSK-A63 only. Bearings sit on a Ø70 mm (Ø2.8 in) bore with oil-jet lubrication and oil-cooler jacket cooling.

All three axes rapid at 36 m/min (1,417 ipm), driven by 4 / 4 / 7 kW (5.4 / 5.4 / 9.4 hp) motors. The spindle nose sits 150 ~ 700 mm (5.9 ~ 27.6 in) above the table and the columns are 1,076 mm (42.4 in) apart. A magnetic table is listed, which lowers the load rating to 700 kg (1,543 lb).

It is a much bigger machine than its table suggests. It weighs 20,000 kg (44,092 lb) against 11,800 kg (26,014 lb) for the SIRIUS-UL+, covers 5,730 x 5,320 mm (225.6 x 209.4 in) and stands 3,170 mm (124.8 in) tall. It needs 55 kVA, 0.5~0.7MPa x 690Nℓ/min of air and has a 350 L (92 US gal) coolant tank.

Full Specifications

Parameter	Value
X Axis Travel	1,050 mm (41.3 in)
Y Axis Travel	600 mm (23.6 in)
Z Axis Travel	550 mm (21.7 in)
Distance Spindle Nose to Table	150 ~ 700 mm (5.9 ~ 27.6 in)
Distance Between Columns	1,076 mm (42.4 in)
Table Size	1,200 x 600 mm (47.2 x 23.6 in)
Max Table Load	800 kg (1,764 lb); magnetic table 700 kg (1,543 lb)
T-Slots	18 x 100 mm, 5 slots (width x pitch: 0.71 x 3.9 in)
Max Spindle Speed	12,000 rpm (12K) / 14,000 rpm (14K) / 20,000 rpm (20K) / 24,000 rpm (24K)
Spindle Motor Power	12K, 20K, 24K: 37 / 18.5 kW (49.6 / 24.8 hp); 14K: 37 / 22 kW (49.6 / 29.5 hp)
Spindle Taper	ISO#40, 7/24 Taper (BBT-40)
Spindle Bearing Bore	Ø70 mm (Ø2.8 in)
Spindle Drive	Built-in motor
Spindle Lubrication	Oil Jet
Spindle Cooling	Jacket cooling (oil cooler)
Rapid Traverse Xyz	36 / 36 / 36 m/min (1,417 / 1,417 / 1,417 ipm)
Axis Motors Xyz	4 / 4 / 7 kW (5.4 / 5.4 / 9.4 hp)
Tool Shank	12K / 14K / 20K: MAS-403 BBT-40 (CAT-40 / SK-40 / HSK-A63 opt.); 24K: HSK-A63
Pull Stud	MAS P40T-1 (45°)
Tool Capacity	120
Max Tool Diameter (full magazine)	Ø90 / Ø170 mm (Ø3.5 / Ø6.7 in), with / without adjacent tools
Max Tool Length	300 mm (11.8 in)
Max Tool Weight	8 kg (17.6 lb)
Tool Selection	Fixed Address
Power Requirement	55 kVA
Air Supply	0.5~0.7MPa x 690Nℓ/min
Coolant Tank	350 L (92 US gal)
Machine Height	3,170 mm (124.8 in)
Machine Dimensions	5,730 x 5,320 mm (225.6 x 209.4 in) (length x width)
Machine Weight	20,000 kg (44,092 lb)
CNC Control	H-SMARTS

Specifications sourced from hwacheon.com — verified 2026-10-03

Strengths & Limitations

Strengths

120-tool fixed-address magazine, against 30 (opt.: 40) on the SIRIUS-UL+ with the same table
Four spindle choices from 12,000 to 24,000 rpm, rated 37 / 18.5 kW (49.6 / 24.8 hp), or 37 / 22 kW (49.6 / 29.5 hp) for the 14K
36 m/min (1,417 ipm) rapids on all three axes
HSK-A63, CAT-40 and SK-40 shank options on the 12K, 14K and 20K spindles
Magnetic table listed for clamping plate work, rated 700 kg (1,543 lb)

Limitations

Tools are limited to 8 kg (17.6 lb), 300 mm (11.8 in) long and Ø90 mm (Ø3.5 in) with adjacent pockets filled
20,000 kg (44,092 lb) and a 5,730 x 5,320 mm (225.6 x 209.4 in) footprint for a 1,200 x 600 mm table
Table load is 800 kg (1,764 lb), or 700 kg (1,543 lb) with the magnetic table
The 24K spindle accepts HSK-A63 only, so BBT-40 tooling cannot be shared with it

Best For

High-mix work that keeps many jobs' tooling loaded in 120 pockets Long unattended runs with sister tools Steel parts on the 14K spindle rated 37 / 22 kW Plate work held on the optional magnetic table

Frequently Asked Questions

01 How does the SMART Ua STEEL differ from the SIRIUS-UL+?

Both have a 1,200 x 600 mm (47.2 x 23.6 in) table rated 800 kg (1,764 lb), or 700 kg (1,543 lb) with a magnetic table, and the same 12K / 14K / 20K / 24K spindle set. The SMART Ua STEEL has a 120-tool magazine and the H-SMARTS control and weighs 20,000 kg (44,092 lb). The SIRIUS-UL+ has 30 tools (opt.: 40) and weighs 11,800 kg (26,014 lb).

02 Which SMART Ua STEEL spindle should I choose?

The 14K, at 14,000 rpm and 37 / 22 kW (49.6 / 29.5 hp), has the highest second rating and suits steel. The 12K, 20K and 24K are rated 37 / 18.5 kW (49.6 / 24.8 hp) and trade that for speed up to 24,000 rpm. Note that the 24K takes HSK-A63 holders only.

03 What size tools does the 120-tool magazine take?

Up to 300 mm (11.8 in) long and 8 kg (17.6 lb). Diameter is Ø90 mm (Ø3.5 in) with the neighbouring pockets filled, or Ø170 mm (Ø6.7 in) with them empty. Selection is fixed address, so each tool returns to its own pocket.

04 What services does the SMART Ua STEEL need?

A 55 kVA supply and 0.5~0.7MPa x 690Nℓ/min of compressed air. The coolant tank holds 350 L (92 US gal). The machine weighs 20,000 kg (44,092 lb), stands 3,170 mm (124.8 in) tall and measures 5,730 x 5,320 mm (225.6 x 209.4 in), length by width.