CYMILL · Fork Milling Heads

G-Series – Unmatched Power Density for Large-Part Machining

The G-Series by CYTEC delivers unmatched power density and performance in a compact package. With up to 3,550 Nm rated torque (5,460 Nm UHT), ±2″ accuracy, and support for large spindles, it is designed for high-demand tasks in aerospace, automotive, and heavy engineering.

The high-torque fork head with ±110°/±360° swivel and up to 7,000 Nm hydraulic clamping is optimized for dynamic, large-part 5-axis machining – available accessories enhance cleanliness, rigidity, and flexibility.

5,460 Nm Max. Torque A-Axis (UHT)

±2″ Position Accuracy

7,000 Nm Hydraulic Clamping

1,200 kg Total Weight approx.

Technical Data

CYTEC CYMILL G-Series high-torque fork milling head

G-Series milling head

C-Axis

Nom./max. torque	1,830 / 3,550 Nm
UHT nom./max. torque	2,605 / 4,300 Nm
Clamping torque	7,000 Nm
Swivel range	±360°
Position accuracy	±2″

A-Axis

Nom./max. torque	2,000 / 3,700 Nm
UHT nom./max. torque	3,035 / 5,460 Nm
Clamping torque	7,000 Nm
Swivel range	±110°
Position accuracy	±2.5″

General

Type	High-torque 2-axis fork head, UHT
Tool interface	HSK-A100 / HSK-A63 / SK50
Total weight	approx. 1,200 kg
Ideal for	Large-part machining, aerospace

All technical data in the G-Series PDF datasheet

Compatible CYSPEED Motor Spindles

The G-Series is driven by CYSPEED motor spindles from the CYTEC modular kit. The following spindles are mechanically compatible – click a spindle to view its datasheet and performance diagram:

Power (S1/S6)	42 / 55 kW
Torque (S1/S6)	400 / 525 Nm
Max. speed	7,000 rpm
Tool interface	HSK-A100 / SK50 / CB
Length	n/a

CS-42-238-S motor spindle performance diagram

Power (S1/S6)	50 / 63 kW
Torque (S1/S6)	248 / 315 Nm
Max. speed	15,000 rpm
Tool interface	HSK-A100
Length	n/a

CS-50-238-A / CST-50-238-A motor spindle performance diagram

Power (S1/S6)	70 / 90 kW
Torque (S1/S6)	85 / 105 Nm
Max. speed	22,000 rpm
Tool interface	HSK-A63
Length	n/a

CS-70-238-S motor spindle performance diagram