Hwacheon MEGA-72

Heavy-duty flat-bed horizontal CNC lathe

MEGA Series

Built to order. Ask for lead time.

Overview

Ø720 mm swing, 2,000 or 3,000 mm between centers

The MEGA-72 is the smallest machine in Hwacheon's MEGA Series of flat-bed lathes, built for shaft-type parts such as main shafts and pipe in shipbuilding, wind power, aerospace and general industry. It runs on box ways over a one-piece bed with precision ground, Turcite-coated slideways 510 mm wide. It swings Ø720 mm over the bed and Ø480 mm over the saddle, with 2,000 or 3,000 mm between centers and 1,100 kgf of work with tailstock support (300 kgf without). A 14 in chuck mounts on an A2-8 spindle with a Ø90 mm bore, driven at 18.5 / 15 kW to 1,500 rpm through two manual ranges, on a Siemens 828D with FANUC 0i-TF Plus as an option.

At a glance

Max turning diameter: Ø28.3 in
Max turning length: 78.7 or 118.1 in
Chuck size: 14 in
Spindle speed: 1,500 rpm
Control: Siemens 828D (FANUC 0i-TF Plus opt.)

Features

01One-piece bed, Turcite waysPrecision ground extra-wide slideways on a one-piece bed absorb cutting vibration, and Turcite coating keeps them accurate. The MEGA-72 bed is 510 mm wide.
02HeadstockThe A2-8 spindle runs in cylindrical roller and angular contact ball bearings, with a Ø90 mm bore, an MT No.7 taper and 18.5 / 15 kW to 1,500 rpm.
03Ball screws on both axesBall screws and servo motors drive X and Z: 380 mm of X travel, 1,900 or 2,900 mm of Z travel and 6 m/min rapids.
04Tool post optionsA 4-position manual toolpost for □32 mm tools is standard. A 4-position hydraulic toolpost or an 8-position electric turret are options.
05TailstockThe tailstock has a Ø90 mm quill with an MT No.5 taper and 150 mm of travel. Hydraulic and motorized tailstocks are options.
06Chucks and restsA 14 in 4-jaw chuck is standard. Steady rests up to Ø450 mm, a Ø38 to 127 mm follow rest and a Ø635 mm face plate are options.

Video

MEGA-72, cutting performance

Specifications

Item		MEGA-72
Item		2000	3000
Capacity
Swing over bedin	in	Ø28.3	Ø28.3
Swing over saddlein	in	Ø18.9	Ø18.9
Max. turning diameter over bedin	in	Ø28.3	Ø28.3
Max. turning diameter over saddlein	in	Ø18.5	Ø18.5
Distance between centersin	in	78.7	118.1
Max. loading capacity (with / without tailstock support)lb	lb	2,425 / 661	2,425 / 661
Chuck sizein	in	14"	14"
Spindle
Spindle borein	in	Ø 3.5	Ø 3.5
Spindle noseASA	ASA	A2-8	A2-8
Max. spindle speedrpm	rpm	5 ~ 1,500	5 ~ 1,500
Spindle taperMT	MT	No.7	No.7
Spindle speed rangesstep	step	Manual 2 steps	Manual 2 steps
Spindle motorHP	HP	24.8 / 20.1 [FANUC : 24.8 / 20.1]	24.8 / 20.1 [FANUC : 24.8 / 20.1]
Tool post
Tool post type		4-Way Manual	4-Way Manual
No. of tool stationsea	ea	4	4
Tool size (O.D. / boring bar)in	in	□1.3	□1.3
Feed axis
Rapid traverse (X / Z)ipm	ipm	236 / 236	236 / 236
Max. travel (X / Z)in	in	15.0 / 74.8	15.0 / 114.2
Feed axis motor (X / Z)HP	HP	2.5 / 5.8 [FANUC : 4.0 / 5.4]	2.5 / 5.8 [FANUC : 4.0 / 5.4]
Tailstock
Tailstock type		-	-
Tailstock quill diameterin	in	Ø3.5	Ø3.5
Tailstock quill taperMT	MT	No.5	No.5
Quill travelin	in	5.9	5.9
Bed
Bed widthin	in	20.1	20.1
Bed lengthin	in	143.8	183.1
Bed type		1 Bed, 2 Ways	1 Bed, 2 Ways
Motor
Coolant pumpW	W	180	180
Lubrication pump (bed / spindle)W	W	57 / 200	57 / 200
Tank capacity
Coolantgal	gal	47.6	47.6
Power source
Power capacitykVA	kVA	38	38
Power supply		380V, 60Hz [FANUC : 220V, 60Hz]	380V, 60Hz [FANUC : 220V, 60Hz]
Machine size
Machine heightin	in	77.6	77.6
Floor space (length x width)in	in	167.3 x 76.0	206.7 x 76.0
Machine weightlb	lb	10,604	12,125
NC system
NC system		SIEMENS 828D (Opt.: FANUC 0i-TF Plus)	SIEMENS 828D (Opt.: FANUC 0i-TF Plus)

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

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