Helios Hera 350

CNC Gear Hobbing Machine

4.23 DP

Max Pitch Rating


RPM Hob Speed


CNC Axes

High-speed direct-drive hob head with CNC shifting:
Automatic retraction of X-axis during power failure, preventing hob damage.

Direct drive torque motor for the work spindle:
Driven via FANUC® torque motor.

Flexible standard dialogue program offering:
One or two gears on a single workpiece.
Radial, axial, climb, and/or conventional hobbing on single- or two-cut cycle.
Crowning (lead modification) and deburring using two equal hobs.
Automatic shifting over broken hob section.
Optional re-hobbing (skiving).

CNC by FANUC® 0i-MF with 6 axes (optional 7):
Tangential position of hob head (shifting) by CNC.

Quality components and construction:
Precision, repeatability, and control with Heidenhain® linear scales on the X-axis.
Cast iron machine base for optimum stability and dampening.


Minimal footprint for maximum production.


Conversational programming for quick, easy setup.


Quality components and construction.


Equipped to produce a variety of gear types and hobbed profiles.

Bolstering your quality and productivity.

The Hera 350 vertical CNC gear hobbing machine combines advanced technology, precision components, and economic pricing to enable profitable production of high-quality spur gears, helical gears, and other hobbed profiles.

Hera 350 Technical Specifications

Maximum pitch rating, hobbing 6.00 mn 4.23 DP
Minimum number of teeth 4 -
Maximum workpiece diameter 381 mm 15.000 in
Maximum axial travel 320 mm (150 - 470 mm) 12.600 in (5.9 - 18.5 in)
Maximum workpiece length - manually loaded 650 mm 25.590 in
Maximum radial travel of hob head 280 mm (35 - 315 mm) 11.000 in (1.380 - 12.400 in)
Maximum work spindle speed 110 rpm -
Hob Head
Maximum spindle speed 1,200 rpm -
Maximum hob diameter 160 mm 6.300 in
Maximum cutter width 200 mm 7.875 in
Maximum cutter shift 180 mm 7.087 in
Swivel range +/- 45° -
Width 3.685 m 12.1 ft
Depth 2.540 m 8.3 ft
Height 2.790 m 9.150 ft
Weight 9,800 kg 21,605 lb
Total connected load 35 kVA
Main spindle motor 11 kW (52.5 Nm)
Electrical connection 480V, 3 phase, 60 Hz

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