X3140CNC Gear Hobbing Machine

Main technical specifications:

Model	Unit	X3140CNC
Main specifications:
Max. diameter of the workpiece to be cut×max. module	mm	￠400×10
Machining capacity:
Max. diameter of the workpiece to be cut	mm	￠400
Max. module	mm	10mm
Max. helix angle		±45
Max. number of gear teeth		5-100
Size specifications:
Max. hob diameter to be fitted	mm	170
Max. hob length to be fitted	mm	220
Max. hob-shift in the axial direction	mm	180
Diameters of the interchangeable hob arbours (one for each size)	mm	27.32.40.50
Cone of the hob spindle bore		SK50
Distance from the hob center to the worktable center	mm	40-320
Vertical distance from the hob center to the worktable	mm	210-565
Distance from the tailstock center to the worktable	mm	320-680
Worktable diameter	mm	400
Worktable bore	mm	140
Distance from the worktable surface to the bottom of the machine bed	mm	1100

Model	Unit	X3140CNC
Hob spindle speeds	rpm	150-600
Axial feedrates (Z-axis)	mm/min	1-1000(stepless)
Axial rapid travel speeds (Z-axis)	mm/min	1000-2400(stepless)
Axial feedrates (X-axis)	mm/min	2-1000(stepless)
Axial rapid travel speeds (X-axis)	mm/min	1000-4000(stepless)
Tangential movement speed	mm/min	960
Max. running speed of the worktable	rpm	50
Swiveling speed of the hob head slide		0.9

Model	Unit	X3140CNC
Total power	Kw	40
Main drive motor	Kw	15
AC servo motor for the axial feed (Z-axis)	Kw	4
AC servo motor for the radial feed (X-axis)	Kw	4
AC servo motor for the worktable (C-axis)	Kw	7
Overall dimensions (L×W×H)	mm	2550×1800×2400
Net weight	kg	10000

The Model X3140CNC isCNC High-Production Gear Hobbing Machines with the following 4 axes working under the CNC control

: Radial feed axis (X-axis), axial feed axis (Z-axis), hob spindle running axis (B-axis) and worktable running axis (C-axis).

The main drive to the hob spindle is transmitted from an AC main drive motor (mounted on the hob head) via

3 high-precision cylindrical gear pairs. The main drive motor has a power of 11KW or 15KW enough to undertake great cutting force.

A multi-start hob can be used on the machine to make heavy cut.

The major guideway pair is composed of wide rectangular guideways and Teflon-coated slideways.

The ballscrews are rigid in transmission, great in actuating capacity and high in linear movement accuracy.

The counter-balance cylinder on the column is coaxial with the ballscrew, thus making it possible for the hob

head slide to move up and down in better balance.

As a standard collocation, the machine is equipped with a Fanuc Oi+EGB control system and

a communication interface RS232C for connection with a personal computer.

These machines are designed for cutting cylindrical gears, helical gears, short spline shafts, sprockets and wormwheels.

These machines are also capable of cutting various little tapered teeth gears, crowned teeth gears

and gears with special tooth profiles.

These machines are well-suited for batch and mass production of gears in the heavy-duty automobile,

construction machinery industries, but also well-recommended for small batch production of different gears in

the gear-making enterprises.