Hwacheon HL-720

Manual lathe

HL Series

Built to order. Ask for lead time.

Overview

Manual lathe, Ø720 mm swing over bed and 2,000 or 3,000 mm between centers

The HL-720 is a manual lathe in Hwacheon's HL Series, built on a rigid bed for stable, precise work and laid out for easy operation. It comes with 2,000 or 3,000 mm between centers on a 510 mm wide bed and swings Ø720 mm over the bed; the 2,000 mm model takes an optional gap for Ø940 mm. The 11 kW spindle has a Ø77 mm bore and an A1-8 or D1-8 nose and runs 27 to 1,205 rpm in 12 steps, with a 14 inch 4-jaw independent chuck and 300 kgf of loading capacity. The machine weighs 3,670 or 3,800 kgf.

At a glance

Swing over bed: Ø28.3 in
Distance between centers: 78.7 / 118.1 in
Spindle bore: Ø3.0 in
Spindle speed: 27 to 1,205 rpm, 12 steps

Features

0111 kW spindleThe spindle has a Ø77 mm through hole, an A1-8 or D1-8 nose and an MT No.7 bore taper, and runs 27 to 1,205 rpm in 12 steps.
02Two bed lengths2,000 or 3,000 mm between centers on a 510 mm wide bed, 3,452 or 4,452 mm long.
03Gap on the 2,000 mm modelThe HL-720 x 2000 takes an optional gap for Ø940 mm swing over a 195 mm gap length. The 3,000 mm model has no gap.
0414 inch 4-jaw chuck standardStandard equipment includes a 14 inch 4-jaw independent chuck with flange, live and dead centers (MT No.5), coolant equipment, an inching switch, tailstock quill reduction equipment and a work light.
05Thread cuttingMetric threads from 0.5 to 14 mm, D.P. from 4 to 56 and module from 1 to 7, off a Ø40 x 12 mm lead screw, with 40 feed changes.
06OptionsOptions include a 14 inch 3-jaw chuck, 12, 16, 18, 20 or 24 inch 4-jaw chucks, steady rests (metal or roller, Ø6.2 to Ø10.8 in), an oversized roller steady rest (Ø10.8 to Ø17 in), Ø550 or Ø635 mm face plates, a taper attachment and a 2- or 3-axis digital scale.

Specifications

Item		HL-720
Item		HL-720 x 2000	HL-720 x 3000
Capacity
Swing over bedin	in	Ø28.3	Ø28.3
Swing over saddlein	in	Ø18.5	Ø18.5
Max. cutting dia over bedin	in	Ø28.3	Ø28.3
Distance between centersin	in	78.7	118.1
Cutting lengthin	in	78.7	118.1
Max. loading capacitykgf	kgf	300 [14” 4 Jaw Independent Chuck]	300 [14” 4 Jaw Independent Chuck]
Gap (opt)
Swing over gapin	in	Ø37.0	-
Gap lengthin	in	7.7	-
Spindle
Spindle bore diameterin	in	Ø3.0	Ø3.0
Type of spindle noseASA	ASA	A1-8 / D1-8	A1-8 / D1-8
Number of spindle speed		12 Step	12 Step
Max spindle speedrpm	rpm	27 ~ 1,205	27 ~ 1,205
Spindle taper		No.7	No.7
Spindle center taper		No.5	No.5
Spindle motorkW	kW	11 - 4P	11 - 4P
Carriage
No. of feed change		40 Step	40 Step
Range of X-axis feedsin/rev	in/rev	0.0015 ~ 0.0216	0.0015 ~ 0.0216
Range of Y-axis feedsin/rev	in/rev	0.0016 ~ 0.0228	0.0016 ~ 0.0228
Range of cross feeds (X-axis)in	in	15.4	15.4
Cross slide travel (Y-axis)in	in	6.7	6.7
Bite holder size (L x W)in	in	□1.3	□1.3
Screw cutting
Lead screw (dia. X pitch)in	in	Ø1.6 x 0.47	Ø1.6 x 0.47
Inch threadsTPI	TPI	4 ~ 56	4 ~ 56
Metric threadsmm	mm	0.5 ~ 14	0.5 ~ 14
D.P threadsD.P	D.P	4 ~ 56	4 ~ 56
Module threadsModule	Module	1 ~ 7	1 ~ 7
Tailstock
Tailstock travelin	in	5.9	5.9
Tailstock center taperMT	MT	No.5	No.5
Bed
Bed widthin	in	20.1	20.1
Bed lengthin	in	135.9	175.3
Tank capacity
Coolantgal	gal	15.9	31.7
Coolant motorW	W	100 - 2P	100 - 2P
Power source
Power capacitykVA	kVA	20	20
Power specification		380V, 60Hz / 220V, 60Hz	380V, 60Hz / 220V, 60Hz
Machine size
Heightin	in	59.1	59.1
Floor space (L x W)in	in	146.9 x 60.8	186.2 x 60.8
Weightlb	lb	8,091	8,378

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

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