Helios Hera 90

CNC Gear Hobbing Machine

8.5 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® spindle motor with rotary encoder for accuracy.

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 7 axes (optional 8 with gantry automation):
Tangential position of hob head (shifting) by CNC.

Optional 90-W configuration:
Long-shaft hobbing with optional 600 mm (23.62 in), 700 mm (27.56 in), or greater lengths.

Miter gear (straight bevel gear) cutting:
Index milling and Conikron generating for modules ≤ 0.5 mn, 50.8 DP.

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


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

Hera 90 Technical Specifications

Maximum pitch rating, hobbing 3.00 mn 8.5 DP
Maximum workpiece diameter 90 mm 3.54 in
Total axial travel 200 mm 7.87in
Minimum axial position 80 mm 3.15 in
Maximum axial position 280 mm 11.02 in
Total radial travel of hob head 80 mm 3.15 in
Minimum radial position of hob head 10 mm 0.39 in
Maximum radial position of hob head 90 mm 3.54 in
Total tailstock travel 250 mm 9.84 in
Minimum tailstock position 195 mm 7.68 in
Maximum tailstock position 725 mm 28.54 in
Maximum work spindle speed 1,000 rpm -
Hob Head
Maximum spindle speed 6,000 rpm -
Maximum hob diameter 65 mm 2.56 in
Maximum cutter width 190 mm 7.48 in
Maximum cutter shift 160 mm 6.30 in
Swivel range -115° +45°
Width 3,408 mm 134.17 in
Depth 2,325 mm 91.54 in
Height 2,135 mm 84.06 in
Weight 4,900 kg 10,800 lb
Total connected load 25 kVA
Main spindle motor 5.5 kW
Electrical connection 220V, 3 phase, 60 Hz

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