Power Skiving Unit Highly productive gear machining: Skiving of ID and OD splines on CNC Turning Centers. The WTO Power Skiving Unit offers high stiffness and runout accuracy. The hydro chuck spindle enables an accurate and quick cutting tool change. Clamping of angular position Maximum angular adjustment ±45° Sine bar for high with vernier scale accuracy angular ­adjustment External coolant supply Hydro chuck for minimal runout Cylindrical shaft Tool clamping dia. Ø16 (Ø20) DIN1835A Internal coolant supply (option)