Hwacheon VT-1350

Heavy-duty, high-precision large turning center

VT-1350 to 4500

Built to order. Ask for lead time.

Overview

Ø1,650 mm ram-type vertical turning on a Ø1,350 mm table

The VT-1350 is a ram-type vertical turning center for large, heavy parts, with a Ø1,350 mm table that cuts up to Ø1,650 mm and 1,300 mm high. Hwacheon builds it for parts used in ships and wind turbines, on an integrated column with box way guides on X, Z and W. The table runs on thrust ball and cylindrical roller bearings with a 2-step drive to 350 rpm, 45 / 37 kW and 23,460 Nm, and carries up to 8,000 kgf. The MC version adds a 26 / 22 kW BT-50 milling spindle to 3,000 rpm and a C axis indexed to 0.001 degree, for turning and milling in one clamping.

At a glance

Max turning diameter: 65.0 in
Max turning length: 51.2 in
Table diameter: Ø53.1 in (Ø1,350 mm)
Spindle speed: 350 rpm (table)
Control: FANUC 0i-TF Plus (31i-B Plus opt.)

Features

01□250 mm milling ramThe ram is 250 mm square with 1,000 mm of Z travel. Turning tools clamp on a curvic coupling with four pull studs.
02Ø1,350 mm table, 2-step driveThe table runs 1 to 89 rpm in low range and 90 to 350 rpm in high through a V-belt drive with programmable gear change. It delivers 23,460 Nm and carries 8,000 kgf on thrust ball and cylindrical roller bearings.
03Moving cross railThe cross rail travels 800 mm on box ways, driven through twin ball screws under NC servo control (5.5 kW W-axis motor), and locks with a 4-point hydraulic brake.
04Turning and milling in one clampingThe MC version adds a 26 / 22 kW BT-50 milling spindle to 3,000 rpm and a C axis with a zero-backlash double pinion drive, indexed to 0.001 degree.
0516-tool ATC, angle head optionA drum ATC holds 16 BT-50 tools as standard, with a 24-tool drum or 34-tool chain magazine optional. The optional angle head is changed automatically by the ATC.

Specifications

Item		VT-1350 series
Item		VT-1350	VT-1350 / MC
Capacity
Swing over tablein	in	Ø68.9	Ø68.9
Max. cutting dia.in	in	Ø65.0	Ø65.0
Max. cutting heightin	in	51.2	51.2
Max. workpiece heightin	in	51.2	51.2
Travel
X-axis stroke (left & right of ram)in	in	-15.7 ~ +43.3	-15.7 ~ +43.3
Z-axis stroke (up & down of ram)in	in	39.4	39.4
W-axis stroke (up & down of crossrail)in	in	31.5	31.5
Table
Table sizein	in	Ø53.1	Ø53.1
Max. table speedrpm	rpm	350	350
Table motor (30min. / cont.)HP	HP	60.3 / 49.6	60.3 / 49.6
Max. table torquelb-ft	lb-ft	17,303	17,303
Max. table loading capacitylb	lb	17,637	17,637
C-axis min. indexing angledeg	deg	-	0.001°
C-axis max. speedrpm	rpm	-	3
Ram
Milling motor (30min. / cont.)HP	HP	-	34.9 / 29.5
Max. milling speedrpm	rpm	-	3,000
Feedrate
Rapid speed (X / Z / W)ipm	ipm	472 / 472 / 197	472 / 472 / 197
Feedrate (X / Z)ipm	ipm	0.039 ~ 79	0.039 ~ 79
Feedrate (C)deg/min	deg/min	-	0 ~ 900
ATC
Tool storage capacity (magazine)ea	ea	16 (Opt.: 24 [Including 1 Dummy Cover, Drum type]) / (Opt.: 34 [Including 1 Dummy Cover, Chain type])	16 (Opt.: 24 [Including 1 Dummy Cover, Drum type]) / (Opt.: 34 [Including 1 Dummy Cover, Chain type])
Tool size (O.D tool)		mm type : □40 mm / inch type : □1.5"	mm type : □40 mm / inch type : □1.5"
Type of milling tool		7 / 24 taper BT-50	7 / 24 taper BT-50
Max. tool dia. (with / without adjacent tools dia.)in	in	Ø5.9 / Ø13.8	Ø5.9 / Ø13.8
Max. tool lengthin	in	21.7	21.7
Max. tool weightlb	lb	265	265
Motor
Feed motor (X / Z / W)HP	HP	7.4 / 7.4 / 7.4	7.4 / 7.4 / 7.4
Coolant motor (ram)HP	HP	3.4	3.4
Power source
Power capacitykVA	kVA	110	110
Power specification		380V, 60Hz	380V, 60Hz
Machine size
Machine heightin	in	228.9	228.9
Main body size (W x L)in	in	318.5 x 201.8	318.5 x 201.8
Weightlb	lb	66,139	66,139
NC system		FANUC 0i-TF Plus	FANUC 0i-TF Plus

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

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