Large GTD CNC lathe

CNC LATHES

GTD-44-55 HK CNC

44”- 55” SWING HEAVY DUTY BIG BORE LATHES

  • 30 HP Spindle Motor (40 HP optional)
  • L6 – 500 RPM Spindle Speeds
  • L4 – Automatically Selected Gear Ranges for High Torque
  • LA2-11 Spindle with a 6” Bore (9”, 10”, 12” & 15” Spindle Bores Optional)
  • LRear Spindle Chuck Mount available to support long workpieces
  • LBoring Bar Holder Available for back of Cross Slide

MACHINE SPECIFICATIONS

Capacity & Dimensions

Swing over Bed

44″

(1,120 mm)

Swing over Cross Slide

27.95″

(710 mm)

Distance between centers

78″ – 236″ 

(2,000 – 6,000 mm)

Bed Width

32″

(810 mm)

Spindle

Spindle Motor Horsepower – up to 160″ bed lengths

30 HP

(22 kw Fanuc) / (40 HP Optional)

Spindle Motor Horsepower – 200″ + bed lights

40 HP 

(30 kw)

Spindle Speeds

6 – 500 RPM 

(6-292 with A2 – 15 & A2 – 20 spindles)

Spindle speed gear ranges – automatically selected

4-gear ranges

(infinetely variable speeds in each range)

Spindle Bore

6″

(152 mm) (Optional 9″, 10″ , 12″ & 15″ available)

Spindle Nose

A2-11

(Optional A2-15 / A2-20 spindle nose)

 

Axis

Cross Slide Travel

23.62″

(600 mm) (varies with turret selected)

X-Axis Ballscrew / Servo Motor

40 mm 

Pitch 5 mm / 4 HP (3 kw) Servo motor

Z-Axis Ballscrew / Servo Motor

63 mm

Pitch 10 mm / 5.5 HP (4 kw) Servo motor

X and Z Axis rapid feed rate

196″/min

(5,000 mm / min)

X and Z Axis cutting feed rate

118″ / min

(3,000 mm / min)

Minimum input unit

0.0001″ (0.001 mm = 40 millionth of an inch)

Tool Turret

Turret Tool Stations

8 Station tool turret with any mix of ID and OD tools

OD Tool Size

1.25″ x 1.25″

(32 x 32 mm)

ID Tool Holder Bore (4 ID Toolholders included)

1.97″

(50 mm) (63 mm Optional)

Tailstock

Engraved with inch/metric quill graduations

Quill Diameter

7.87″

(200 mm)

Quill Stroke

11.81″

(300 mm) with 2 speed quill gearing

Quill Taper

MT-6

Morse Taper #6

Body Movement

Carried by saddle – manual lockdown

Optional Hydraulic Tailstock available

Carried by saddle – hydraulic quill & bed lockdown

Electrical / Hydraulic / Coolant

Cooling System

1.7 HP (1.275 kw) coolant pump

Electrical needs – Fanuc 0i-TF, Drives & Motors

220 vac  /  ±5%  / 3 Phase  /  60 Hz

Warranty – 1 Year Machine

2 Year FANUC control and drives

Machines need stable 220 Volts, 3 Phase – Please use appropriate transformers or voltage stabilizers

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