Univerzalni stružnica za kovino

CORMAK GOLIAT 660X2000YB WOLNE OBROTY

The CORMAK 660 x 2000 (CJ6266YB/2000) universal lathe is a versatile machine that provides exceptional precision for low-speed turning of various materials. It is ideally suited for machining internal and external surfaces, taper turning, polishing, threading (metric, inch, module, and DP), as well as drilling and broaching.

The lathe’s low-speed operation makes it an excellent choice for tasks demanding maximum accuracy and operational stability.

Robust Construction

The lathe bed is made of high-quality cast iron, which effectively dampens vibrations—crucial during low-speed machining. Thanks to its hardened and precisely ground bed, the machine offers outstanding resistance to twisting and vibrations, allowing for precise turning even at the lowest spindle speeds.

Advanced Features

Centralized feed switching system, including leadscrew and feed shaft, enables efficient threading operations even at low spindle speeds.
Rapid longitudinal and cross feeds are easily controlled by joystick, facilitating precise machining—especially at low speeds.
Three-axis digital readout (longitudinal, cross, and top slide) with an on-screen display allows for exact control over every machine movement, particularly during low-speed operations.
High-quality bearing system with ball bearings and modern main spindle support ensures stable and safe operation.

Performance and Precision

With a large spindle bore (82 mm), 2000 mm distance between centres, 315 mm 3-jaw chuck, and powerful 7.5 kW motor, the CORMAK lathe guarantees efficient machining—even at reduced speeds. The rapid longitudinal and cross feed system significantly shortens machining time, while still allowing for precise finishing at low spindle RPM.

Technical Data
Swing over bed [mm]: 660
Swing over cross slide [mm]: 440
Swing in gap [mm]: 900
Length in gap [mm]: 250
Distance between centres [mm]: 2000
Bed: Induction hardened
Bed width [mm]: 400
Chuck diameter [mm]: 315
Spindle bore diameter [mm]: 82
Spindle nose [mm]: D1 - 8
Spindle socket [mm]: 113 (1:20) / MT5
Spindle speed range [rpm]: 9 – 1600, 24 steps
Max tool dimensions [mm]: 25 x 25
Longitudinal feed range [mm/rev]: 0.044 – 1.48
Cross feed range [mm/rev]: 0.022 – 0.74
Metric threads [mm]: 0.45 – 120
Inch threads: 7/16 – 80 TPI
Module threads: 0.25 – 60 MP
D.P. threads: 7/8 – 160 DP
Rapid feed [m/min]: longitudinal 4.2; cross 1.9
Tailstock quill diameter [mm]: 90
Tailstock quill stroke [mm]: 235
Tailstock quill taper: MT 5
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Main motor power S1/S6 [kW]: 7.5/9
Coolant pump power [kW]: 0.1
Dimensions (L x W x H) [mm]: 3710 x 1135 x 1440
Net weight [kg]: 3600

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