Maximum Performance Turning Center
Most of today’s large machines are still relying on yesterday’s technology. Many have common problems such as: slow rapids, under powered spindles, weak structures, turrets that index at a snail's pace, or turrets that are too small to provide adequate tool clearance. The Yama Seiki GS-400 series completely eliminate these downsides with industry leading new designs. Combining tremendous power, strength, and speed for the ultimate turning power to accomplish today and tomorrow’s most demanding turning applications.
The first thing you’ll notice inside the door of the GS-400 series is the massive turret, which boasts a turret disk over 30 inches in diameter. Blazing fast indexing times of 0.5 seconds from station to station and 1.5 second for stations at 180 degrees are achieved with servo indexing technology.
Under the covers, you’ll find a 45 degrees true slant bed with super wide box ways, and an enormous 2-speed head stock driven by a 60 HP ( Peak ) FANUC motor.
Axes rapids are 788 IPM on X and 945 IPM on Z, which are 50~100% faster than the competition.
The auto lubrication system delivers metered amounts of lubrication to the slide ways, ball screws, and vital components. Distribution is automatically shut off during idling to prevent waste.
Together, these exceptional features generate cutting forces and speed unmatched by any other machine in this capacity and price range. Furthermore, a standard chip conveyor and separate coolant tank system enhance production efficiency and operation convenience.
2 bed lengths and 3 spindle sizes offer a total of 6 basic models configurations.
Live tooling and C-axis
Available live tooling and C-axis capabilities in the GS-400 series allow the machine to perform multiple tasks on a work piece, such as turning, milling, drilling, and tapping. It cuts down manpower and cycle time, while reducing accuracy lost, which will occur if the part is moved from machine to machine. ( More on page 9 )
Positioning of the programmable base tailstock
Positioning of the programmable base tailstock has been simplified through use of custom software interface. The Z-axis carriage automatically locks on to the base of the tailstock and drags it to the desired position.
The built-in bearings quill provide greater rigidity for heavyloads. The extension and retraction of the quill is programmable and thrust pressure adjustable.
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