Product

HRA-Heavy Duty Variable Speed Lathe Machine

HRA-680/780/880/980

Description

  • spindle bore: 105mm(4 1/8")/155mm(6")/230mm(9")
  • bed width: 458mm(18")
  • distance between centers: 1100mm(43")~8000mm(315")

 

BED

  • one-piece bed is made of high compressive strength cast iron, high rigidity and stability for high precision machining.
  • removable gap bed.
  • bedways and slideways are harden and precision ground.
  • slideways are coated with Turcite B to ensure smooth movement and minimum wear.

HEADSTOCK

  • spinlde speed can be easily adjusted ,enhancing machining accuracy
  • all gears in headstock are made of chromium molybdenum steel,(SCM-21) with harden and precision ground.
  • spindle supported at 3 pointed by precision taper roller bearings.
  • forced lubricated to all gears and bearings.

GEAR BOX

  • universal gear box for inch,metric,MD and PD threading without change gears.

APRON

  • 4-way rapid traverse by the joystick, more convenient and efficient for operators.
  • overload safety device is equipped to avoid machine damage.
  • manual & automatic lubrication for bedways & slideways.
HRA SeriesHRA-680HRA-780HRA-880HRA-980
CAPACITY
Swing over bed680mm(26 7/8")780mm(30 7/8")880mm(34 3/4")980mm(38 3/4")
Swing over cross slide440mm(17 3/8")540mm(21 1/4")640mm(25 1/4")740mm(29 1/8")
Swing over gap970mm(38 1/8")1070mm(42 1/8")1170mm(46")1270mm(50")
Width of gap482mm(19")482mm(19")482mm(19")482mm(19")
Distance between centers1100~8000mm(43"~315")1100~8000mm(43"~315")1100~8000mm(43"~315")1100~8000mm(43"~315")
Height of center (over bed)340mm(13 3/8")390mm(15 3/8")440mm(17 3/8")490mm(19 1/4")
Bed width458mm(18")458mm(18")458mm(18")458mm(18")
HEADSTOCK
Spindle noseA2-11/D1-11A2-11/D1-11A2-11/D1-11/A2-15(Ø230mm)A2-11/D1-11/A2-15(Ø230mm)
Spindle bore105mm(4 1/8")/155mm(6")-OPT105mm(4 1/8")/155mm(6")-OPT105mm(4 1/8")
155mm(6")/230mm(9")-OPT
105mm(4 1/8")
155mm(6")/230mm(9")-OPT
Number of spindle speed--------
Range of spindle speedØ105mm-25~70/60~160/145~380/320~1000rpm
Ø155mm-24~65/55~140/130~350/300~800rpm
Ø105mm-25~70/60~160/145~380/320~1000rpm
Ø155mm-24~65/55~140/130~350/300~800rpm
Ø105mm-25~70/60~160/145~380/320~1000rpm
Ø155mm-24~65/55~140/130~350/300~800rpm
Ø230mm-5~14/15~49/50~159/160~450rpm
Ø105mm-25~70/60~160/145~380/320~1000rpm
Ø155mm-24~65/55~140/130~350/300~800rpm
Ø230mm-5~14/15~49/50~159/160~450rpm
FEEDS-THREAD
Lead screw diameter45mm(1 7/8")45mm(1 7/8")45mm(1 7/8")45mm(1 7/8")
Leasd screw pitch2TPI / 12mm2TPI / 12mm2TPI / 12mm2TPI / 12mm
Number of feed changes28282828
Longitudinal feed-mm/rev(in.rev)0.05(0.002")~0.7(0.027")0.05(0.002")~0.7(0.027")0.05(0.002")~0.7(0.027")0.05(0.002")~0.7(0.027")
Cross feed -mm/rev(in.rev)0.025(0.001")~0.35(0.014")0.025(0.001")~0.35(0.014")0.025(0.001")~0.35(0.014")0.025(0.001")~0.35(0.014")
Inch threads2~28(36)2~28(36)2~28(36)2~28(36)
Metric threads0.8~14(65)0.8~14(65)0.8~14(65)0.8~14(65)
D.P no./range4~56(36)4~56(36)4~56(36)4~56(36)
Module pitch no./range0.5~7(22)0.5~7(22)0.5~7(22)0.5~7(22)
TOOL SLIDE
Cross slide travel390mm(15 3/8")390mm(15 3/8")390mm(15 3/8")520mm(20 1/2")
Compound rest travel240mm(9 1/2")240mm(9 1/2")240mm(9 1/2")240mm(9 1/2")
TAILSTOCK
Quill travel210mm(8 1/4")210mm(8 1/4")210mm(8 1/4")210mm(8 1/4")
Quill diameter105mm(4 1/8")105mm(4 1/8")105mm(4 1/8")105mm(4 1/8")
Inner taper of quillMT6MT6MT6MT6
MOTOR
Main motor15HPX4P / 20HPX4P-OPT15HPX4P / 20HPX4P-OPT15HPX4P / 20HPX4P-OPT15HPX4P / 20HPX4P-OPT
Rapid feed motor1/4 HP1/4 HP1/4 HP1/4 HP
Coolant pump1/8 HP1/8 HP1/8 HP1/8 HP
Machine dimension
Length/mm(in)1100G-2750(108");1600G-3250(128")2000G-3750(148");3000G-4750(187")4000G-5750(227");5000G-6750(266")6000G-7750(305") ;8000G-9780(385")
Width/mm(in)1300(51 1/8")1300(51 1/8")1300(51 1/8")1450(57 1/8")
Height/mm(in)1350(53 1/8")1400(55 1/8")1450(57 1/8")1500(59 1/8")
N.W/kg1100G-3300;1600G-3600
2000G-3900;3000G-4500
4000G-5100;5000G-6300
6000G-7000;8000G-8400
1100G-3400;1600G-3700
2000G-4000;3000G-4600
4000G-5200;5000G-6400
6000G-7100;8000G-8500
1100G-3500;1600G-3800
2000G-4100;3000G-4700
4000G-5300;5000G-6500
6000G-7200;8000G-8600
1100G-3600;1600G-3900
2000G-4200;3000G-4800
4000G-5400;5000G-6600
6000G-7300;8000G-8700
Packing dimension
Length/mm(in)1100G-2900(115");1600G-3400(134")2000G-3900(154");3000G-4900(193")4000G-5900(232");5000G-6900(272")6000G-7900(311");8000G-9900(390")
Width/mm(in)1660(65 3/8")1660(65 3/8")1660(65 3/8")1810(71 1/4")
Height/mm(in)1550(61")1600(63")1650(65")1700(67")
G.W/kg1100G-3450;1600G-3800
2000G-4150;3000G-4850
4000G-5600;5000G-7000
6000G-7700;8000G-9200
1100G-3550;1600G-3900
2000G-4250;3000G-4950
4000G-5700;5000G-7100
6000G-7800;8000G-9300
1100G-3650;1600G-4000
2000G-4350;3000G-5050
4000G-5800;5000G-7200
6000G-7900;8000G-9400
1100G-3750;1600G-4100
2000G-4450;3000G-5150
4000G-5900;5000G-7300
6000G-8000;8000G-9500
STANDARD ACCESSORIES
Center sleeve1 pc
Dead center MT5& MT61 pc
Coolant pump1set
Work light1 pc
Tool box &tool1 set
Tool post wrench1 pc
Steady Rest Ø280mm(11")1 pc
4 ways rapid traverse device1 set
OPTION ACCESSORIES
12"/15" 3-jaw scroll chuck1 pc
15"/20" 4-jaw independent chuck1 pc
Taper turning attachment1 pc
Follow rest1 pc
Face plate1 pc
Steady rest Ø420mm(16")1 pc
Steady rest Ø560mm(22")1 pc
Rear splash guard1 pc
Rear adapter plate1 pc