Internal Thread Whirling


The Leistritz CNC, Universal Internal, Milling and Turning Machine model INNOVATION 200 with Integrated Oscillating Internal Whirling Head IWO-100 for hard or soft machining of internal threads of nuts with the following dimensions: Ø25-100 mm Internal Diameter* and 200 mm Total Length.


  • Complete machining by combining Internal Whirling, Turning and Milling
  • Extreme reduction of the machining and total process time
  • Highest machining precision due to a rigid and stable machine design
  • Very high cutting performance
  • Integral Gantry automated loading system
  • Un-manned shift operation by workpiece buffer
  • Hard and soft machining capabilities
  • Finish tolerances in one process Step (roughing not required)


Working Range

Chuck Diameter mm 260 / optional 315
Workpiece Length max. mm 200
Workpiece Internal Diameter max. mm 100
Workpiece Outer Diameter max. mm 200
Axes Travel X / Z mm 850 / 315

Oscillating Internal Whirling Head IWO 100

Power max. kW 11
Nominal Torque Nm 48
Spindle speed max. with zero stroke 2,285
Stroke adjustment with CNC-Axis Infinite

Main Spindle

Spindle flange according to DIN 55026 A 1-8"
Spindle bearing, front Diameter mm 120
Spindle speed, max. min-1 4,000

Main Spindle Speed

Power, max. kW 58
Full power from spindle speed min-1 900
Torque, max. Nm 620

Axis Drive

Rapid traverse rate X / Z m/min 45 / 30
Feed force X / Z kN 11
Ballscrew Diameter / Pitch mm 50 / 40

Toolhoder Block

Toolholder location DIN 69880 Size 40
For 2 cutting tools

Milling Spindle

Nominal power kW 15
Nominal speed min-1 3,000
Max. spindle speed min-1 12,000
Nominal torque Nm 48
Toolholder location HSK-C63 DIN 69063 - 1
Clamping Force KN 15 - 30

Required Floor Space

m2 6.7
TOTAL WEIGHT = kg 9,900