Hwacheon H6

Horizontal machining center with pallet size of 630 mm

H Series

Built to order. Ask for lead time.

Overview

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

The H6 is Hwacheon's horizontal machining center for 630 mm pallets, with box ways on all axes and a twin drive on X and Y. Hwacheon builds it for general parts through difficult-to-cut components, and cools the spindle and frame to limit thermal growth over long runs. It travels 1,050 / 900 / 1,000 mm, carries 1,600 kgf per pallet and runs a BBT-50 spindle at 8,000 rpm (gear driven) or 12,000 rpm (built-in motor). A servo-driven two-pallet APC is standard, and the magazine holds 40 tools with 60 to 180 as options.

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

At a glance

X / Y / Z travel: 41.3 / 35.4 / 39.4 in
Pallet size: 24.8 x 24.8 in
Spindle: BBT-50, 8,000 rpm (12,000 opt.)
Tool capacity: 40 (opt. up to 180)
Control: FANUC 31i-B

Features

01Box ways on all axesHigh-rigidity box ways on every axis absorb vibration and soften impact during hard cutting. The integrated bed and rectangular frame hold geometry during long runs.
02Twin drive on X and YX and Y are each driven by two servo motors (X1 / X2, Y1 / Y2), which Hwacheon applies 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 from an oil cooler.
04Servo two-pallet changerA rotary, servo-driven APC swaps the two 630 x 630 mm pallets in 12 seconds, each pallet carrying up to 1,600 kgf.
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), 550 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

H6, herringbone gear

Specifications

Item		H6
Item		8K	12K
Travel
X-axis strokein	in	41.3	41.3
Y-axis strokein	in	35.4	35.4
Z-axis strokein	in	39.4	39.4
B-axis rotation angledeg	deg	360	360
Distance from table center to spindle gauge planein	in	2.8 ~ 42.1	2.8 ~ 42.1
Distance from table surface to spindle centerin	in	2.8 ~ 38.2	2.8 ~ 38.2
Table
Working surfacein	in	24.8 x 24.8	24.8 x 24.8
Table loading capacitylb	lb	3,527	3,527
Min. indexing angledeg	deg	0.001 (Opt.: 1)	0.001 (Opt.: 1)
Max. workpiece sizein	in	Ø41.3 x 51.2	Ø41.3 x 51.2
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	1,890 / 1,890 / 1,575	1,890 / 1,890 / 1,575
Rotating time for 90˚ (B)sec	sec	1.2	1.2
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	21.7	21.7
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	12	12
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	317.0	317.0
Machine size
Heightin	in	143.3	143.3
Floor space (L x W)in	in	282.3 x 159.1	282.3 x 159.1
Weightlb	lb	63,603	63,603
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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