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J & W Official Announcemen..
CNC Horizontal Gear Shaping Machine - SGC31125J4

The Model SGC31125J4CNC is a 4-Axis CNC Gear Hobbing Machine derived from the Gear Hobbing Machine Model YN31125. The machine has the following axes working under the CNC control:X-axis for the radial feed,Z-axis for the axis feed,Y-axis for the hob spindle swiveling and C-axis for the worktable rotation. The hobslide shift is completed by a common motor.
The machine is equipped with a fanuc Oi+EGB CNC system and Acservo motors made by the Japanese Fanuc company.It is possible to set up a mono-square cutting cycle,a double-square cutting cycle,an L-cutting cycle or other cutting cycles on the machine.Apart from the cylindrical spur gears and helical gears,the machine is also capable of cutting tapered gear teeth,crowned gear teeth and the like gear teeth with special tooth profiles.

The main drive on the machine is transmitted from a heavy-duty AC servo spindle motor.The hob spindle is supported by high-rigidity and high-precision rolling bearings.The wormwheel pair of the worktable is made of high-grade wear-resistant bronze alloy.

An electronic gearbox is used to replace the change gears and the differential gears which are usually used on a conventional gear hobbing machine. Therefore, it is quite easy to complete the machine setup and the machine operation.
And again,the machine is arranged with the special software for making the parmeterized programming work.


Max.diameter to be hobbed without a conter-column 1250mm
with a counter-column 1000mm
Max.module to be hobbed, Casting /Steel 16mm/12mm
Length of the hobslide travel 485mm
Max.helix angle to be cut ±45deg
Max.hob diameter to be mounted 220mm
Max.hob length to be mounted 220mm of the hob-shift 200mm
Cone of the hob spindle taper bore MT6#
Horizontal distance from the hob center to the worktable center 120~750mm
Vertical distance from the hob center to the worktable 215~700mm
Distance from the lower end of the tailstock bracket to the worktable 450~850mm
Distance of the worktable 950mm
Hob spindle speed, infinitely variable 16~150rpm
Max.running speed of the worktable 7rpm
Radial feedrates 1~2000mm/min
Axial feedrates 1~2000mm/min
Rapid travel speed in the tangential direction 300mm/min
Power of the main drive motor 11KW
Total power consumption 35KW
Net weight 13000kg

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