Hwacheon H8

Horizontal machining center with pallet size of 800 mm

H Series

Built to order. Ask for lead time.

Overview

800 mm two-pallet horizontal with box ways and twin drive

The H8 is the larger H Series horizontal machining center, built around 800 mm pallets. Its box ways carry an air floating system, X and Y run on a twin drive, and the spindle and frame are cooled to hold precision over long runs. Travel is 1,400 / 1,150 / 1,250 mm, each pallet carries 2,200 kgf, and the BBT-50 spindle runs to 8,000 rpm (gear driven) or 12,000 rpm (built-in motor). A servo-driven two-pallet APC is standard, with 40 tools standard and up to 180 as an option.

Guide: Vertical or horizontal machining center: when does an HMC make sense?

At a glance

X / Y / Z travel: 55.1 / 45.3 / 49.2 in
Pallet size: 31.5 x 31.5 in
Spindle: BBT-50, 8,000 rpm (12,000 opt.)
Tool capacity: 40 (opt. up to 180)
Control: FANUC 31i-B

Features

01Box ways with air floatingHwacheon fits the H8's high-rigidity box-way feed system with its own air floating system. The box ways run on all axes and absorb vibration and impact during hard cutting.
02Twin drive on X and YX and Y are each driven by two servo motors (X1 / X2, Y1 / Y2) to limit vibration while feeding.
03Geared 8,000 rpm spindle, 12,000 rpm built-in optionThe standard spindle has a 2-speed auto-shifting gearbox for torque at low speed; the 12,000 rpm option is a built-in motor spindle. Both are BBT-50 with oil-jet lubrication and jacket cooling.
04Servo two-pallet changerA rotary, servo-driven APC swaps the two 800 x 800 mm pallets in 16 seconds. Each pallet takes up to 2,200 kgf and workpieces up to Ø1,450 x 1,450 mm. An 800 x 1,000 mm pallet is an option.
0540 to 180 tool magazineThe magazine holds 40 tools as standard, with 60, 90, 120, 150 and 180 tool versions as options. Tools up to Ø300 mm (with empty adjacent pockets), 600 mm long and 30 kgf are accepted.
06Hwacheon software standardThermal displacement control (HTDC), tool load detection (HTLD), contour control (HECC), feed optimization (OPTIMA) and real-time geometric compensation (HRGC) are standard.

Video

H8, machine overview

Specifications

Item		H8
Item		8K	12K
Travel
X-axis strokein	in	55.1	55.1
Y-axis strokein	in	45.3	45.3
Z-axis strokein	in	49.2	49.2
B-axis rotation angledeg	deg	360	360
Distance from table center to spindle gauge planein	in	3.9 ~ 53.1	3.9 ~ 53.1
Distance from table surface to spindle centerin	in	3.9 ~ 49.2	3.9 ~ 49.2
Table
Working surfacein	in	31.5 x 31.5	31.5 x 31.5
Table loading capacitylb	lb	4,850	4,850
Min. indexing angledeg	deg	1 (Opt.: 0.001)	1 (Opt.: 0.001)
Max. workpiece sizein	in	Ø57.1 / 57.1	Ø57.1 / 57.1
Spindle
Max spindle speedrpm	rpm	8,000	12,000
Spindle motorHP	HP	46.9 / 29.5	46.9 / 29.5
Type of spindle taper hole		BBT-50	BBT-50
Spindle bearing inner diameterin	in	Ø3.9	Ø3.9
Type of spindle		Gear Driven	Built-in Motor
Method of spindle lubrication		Oil Jet	Oil Jet
Method of spindle cooling		Jacket Cooling (Oil Cooler)	Jacket Cooling (Oil Cooler)
Type of coolant		Hi-Yun Oil [Hwacheon Special]	Hi-Yun Oil [Hwacheon Special]
Feedrate
Rapid traverse (X / Y / Z)ipm	ipm	1,417 / 1,417 / 1,417	1,417 / 1,417 / 1,417
Rotating time for 90˚ (B)sec	sec	2.5	2.5
Motor
Servo motor (X1 / X2 / Y1 / Y2 / Z / B)HP	HP	8.0 / 8.0 / 9.4 / 9.4 / 12.1 / 7.4	8.0 / 8.0 / 9.4 / 9.4 / 12.1 / 7.4
Coolant motor (spindle / coolant shower)HP	HP	1.0 / 2.4	1.0 / 2.4
Spindle cooler (50 / 60 hz)HP	HP	6.7 / 7.5	6.7 / 7.5
ATC
Type of tool shank		BBT-50 (Opt.: CAT-50)	BBT-50 (Opt.: CAT-50)
Type of pull stud		BT-50 (90˚)	BT-50 (90˚)
Tool storage capacityea	ea	40 (Opt.: 60 / 90 / 120 / 150 / 180)	40 (Opt.: 60 / 90 / 120 / 150 / 180)
Max. tool diameter (with / without adjacent tools)in	in	Ø4.9 / Ø11.8	Ø4.9 / Ø11.8
Max. tool lengthin	in	23.6	23.6
Max. tool weightlb	lb	66	66
Method of tool selection		Fixed Address	Fixed Address
APC (automatic pallet changer)
Number of palletsea	ea	2	2
Type		Rotary Type	Rotary Type
Driven type		Servo Motor	Servo Motor
APC time (180°)sec	sec	16	16
Power sources
Electric power supplykVA	kVA	100	100
Compressed air supply (pressure x consumption)		73~102 psi x 960Nℓ/min	73~102 psi x 960Nℓ/min
Tank capacity
Spindle coolantgal	gal	15.9	15.9
Lubricationgal	gal	3.2	3.2
Coolantgal	gal	264.2	264.2
Machine size
Heightin	in	152.1	152.1
Floor space (L x W)in	in	301.6 x 174.8	301.6 x 174.8
Weightlb	lb	72,753	72,753
NC controller		Fanuc 31i-B	Fanuc 31i-B

Specifications from the manufacturer, converted from metric. Confirm the configuration on your quote.

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