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CORMAK GOLIAT 660X4000

Main advantages:
- The CORMAK GOLIAT 660 x 4000 universal lathe can be used for many tasks, such as turning internal and external surfaces, cones, polishing, metric, inch modular and DP threading, drilling and broaching.
- The solid cast iron bed construction ensures maximum vibration reduction. Additionally, the bed is hardened and precisely ground. The device bed is extremely resistant to twisting and does not vibrate, which is the basic condition for precise turning.
- Central feed switching system, lead screw and feed shaft for threading
- The digital readout works in (3) three axes of movement: longitudinal, transverse, upper slide. The processed electronic signal from the optical rulers visualizes the obtained values ​​from movements along the axes on the digital screen.
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- The lathe is equipped with a high-quality, reinforced spindle bearing system. Modern main spindle bearing with ball bearings
- Optimal work results are ensured by a large spindle passage of 105 mm, a 4000 mm center spacing, a 3-jaw lathe chuck of 320 mm, and a powerful 7.5 kW engine.
- The rapid longitudinal and transverse feed system significantly shortens the machining time and increases productivity.
- Hardened and ground gears in the spindle gear - ensures long-term stability of work.
- Equipped with a lead screw and a feed shaft for threading, automatic longitudinal and transverse feed.
- Easy adjustment of the spindle speed and automatic feed from the ergonomic control panel on the gear.
- Possibility of machining a wide range of threads without the need to replace the change wheels in the guitar. Wide range of threads: metric (22) 1 - 14 mm, inch (25) 2-28 T.P.I, modular (18) 0.5-7 M.P., D.P. thread (24) 4-56 D.P. Turning right and left threads.
- Thread turning clock designed for accurate counting of turns. The function is to save time so that in several passes you can unscrew the lead screw nut to manually quickly return the support to its original position.
- The bed has a replaceable bridge for turning larger elements, e.g. a disc. This lathe model allows for machining with a maximum diameter of 870 mm with the bridge removed.
Technical data
Max. turning diameter over bed Ø660 mm
Max. turning diameter over support Ø420 mm
Max. turning diameter in bridge slot Ø870 mm
Slot length 240 mm
Centre spacing 4000 mm
Max. turning length 3950 mm
Spindle bore Ø105 mm
Spindle taper diameter and angle Ø113 mm 1:20
Spindle nose 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 thread 22 (1-14mm)
Inch thread 25 (28-2 TPI-pitches per inch)
Modular thread 18 (0.5-7mm)
DP thread 24 (56-4 DP)
Rapid longitudinal feed 4.5 m/min.
Rapid cross feed 1.9 m/min.
Lead screw pitch 12 mm
Spindle axis distance from tool surface 28 mm
Tool dimension 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