Univerzalni stružnica za kovino

CORMAK GOLIAT 660X4000

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

Key Advantages:

- Centralized feed control system, lead screw and feed shaft for threading operations
- Digital readout operates in three movement axes: longitudinal, cross, and top slide. The processed electronic signal from optical encoders displays the axis movement values on the digital screen.
- Lathe is fitted with a high-quality, reinforced spindle bearing system. The main spindle uses modern ball bearings for optimal support.
- Superior work results are ensured by a large 105 mm spindle bore, 4000 mm center distance, 320 mm 3-jaw chuck, and powerful 7.5 kW motor.
- Rapid longitudinal and cross feed systems significantly reduce machining time and improve productivity.
- Hardened and precision-ground gears in the spindle gearbox ensure long-term operational stability.
- Equipped with a lead screw and feed shaft for thread cutting, as well as automatic longitudinal and cross feeds.
- Easy adjustment of spindle speed and automatic feed from the ergonomic control panel on the gearbox.
- Ability to machine a wide range of threads without changing gears in the gear train. Wide range of thread types: metric (22) 1–14 mm, imperial (25) 2–28 TPI, module (18) 0.5–7 M.P., DP thread (24) 4–56 D.P. Capable of cutting both right- and left-handed threads.
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- Thread chasing dial ensures precise revolution counting, saving time during multi-pass operations by allowing manual, quick carriage return to the original position.
- The bed is fitted with a removable bridge for machining larger diameter workpieces such as flanges. This lathe model allows machining of workpieces up to 870 mm maximum diameter with the bridge removed.

Technical Specifications
Max. turning diameter over bed: Ø660 mm
Max. turning diameter over carriage: Ø420 mm
Max. turning diameter in the gap: Ø870 mm
Gap length: 240 mm
Distance between centers: 4000 mm
Max. turning length: 3950 mm
Spindle bore: Ø105 mm
Spindle nose diameter/taper: Ø113 mm 1:20
Spindle mount: D1-8 CAMLOCK
Spindle speeds: 12 speeds (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
Lead screw pitch: 12 mm
Distance from spindle axis to tool surface: 28 mm
Tool size: 25x25 mm
Max. top slide travel: 145 mm
Max. cross slide travel: 380 mm
Tailstock quill diameter: 75 mm
Tailstock taper: MT5
Max. tailstock quill travel: 150 mm
Tailstock cross travel: ±15 mm
Main motor S1/S6: 7.5/9 kW / 400V
Rapid feed motor: 250W
Coolant pump: 60W, 25 L/min
Dimensions (L/W/H): 5500 x 1100 x 1450 mm
Weight: 5,200 kg

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