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CORMAK GOLIAT 660X4000

CORMAK GOLIAT 660 x 4000 mm Industrial Metal Lathe – robust cast iron bed construction equipped with a 12-speed gearbox and a powerful 7.5 kW/400V induction motor – maximum torque, large 105 mm spindle bore.

Key advantages:

- Centralized feed switching system, leadscrew and feed shaft for threading
- Digital readout operates on three axes: longitudinal, cross, and compound. The processed electronic signal from optical scales displays values of axis movements on the digital screen.
- Lathe equipped with a high-quality, reinforced spindle bearing system. Modern main spindle supported on ball bearings
- Optimum machining results provided by a large 105 mm spindle bore, 4000 mm center distance, 320 mm three-jaw chuck, and a powerful 7.5 kW motor.
- Rapid longitudinal and cross feed system significantly reduces machining time and increases productivity.
- Hardened and ground gears in the spindle gearbox – ensuring long-term stable operation.
- Equipped with a leadscrew and feed shaft for thread cutting, automatic longitudinal and cross feeds.
- Easy spindle speed and automatic feed adjustments via an ergonomic control panel on the gearbox.
- Capable of cutting a wide range of threads without the need to change gears in the gear train. Wide threading capability: metric (22) 1 – 14 mm, imperial (25) 2-28 TPI, module (18) 0.5-7 MP, D.P. thread (24) 4-56 DP. Supports both right-hand and left-hand threading.
- Threading dial for precise thread pitch counting. The function is intended to save time by allowing the leadscrew nut to be disengaged and quickly returned to its original position for repeated passes.
- The bed is fitted with a removable gap bridge for turning oversized workpieces, such as discs. This lathe model allows machining of up to 870 mm diameter with the bridge removed.

Technical specifications
Maximum turning diameter over bed: Ø660 mm
Maximum turning diameter over carriage: Ø420 mm
Maximum turning diameter in gap: Ø870 mm
Gap length: 240 mm
Distance between centers: 4000 mm
Maximum turning length: 3950 mm
Spindle bore: Ø105 mm
Spindle nose diameter and taper: Ø113 mm 1:20
Spindle mount: D1-8 CAMLOCK
Spindle speeds: 12 (36–1600 rpm)
Number and range of longitudinal feeds: 65 (0.063–2.52 mm/rev)
Number and range of cross feeds: 65 (0.027–1.07 mm/rev)
Metric threads: 22 (1–14 mm)
Imperial threads: 25 (28–2 TPI)
Module threads: 18 (0.5–7 mm)
DP threads: 24 (56–4 DP)
Rapid longitudinal feed: 4.5 m/min
Rapid cross feed: 1.9 m/min
Leadscrew pitch: 12 mm
Spindle axis distance to tool surface: 28 mm
Tool size: 25 x 25 mm
Maximum compound rest travel: 145 mm
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Maximum cross slide travel: 380 mm
Tailstock quill diameter: 75 mm
Tailstock taper: MT5
Maximum quill travel: 150 mm
Tailstock offset: ±15 mm
Main motor S1/S6: 7.5/9 kW / 400V
Rapid feed motor: 250 W
Coolant pump: 60 W, 25 L/min
Dimensions (L x W x H): 5500 x 1100 x 1450 mm
Weight: 5200 kg

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