DVS Group

PITTLER Power Skiving

Efficient gear cutting technology made in 1910

Power Skiving is a machining method used for the manufacture of gear teeth, based on the patent by Wilhelm vonPittler from the year 1910. Over the past few years, the latest developments in manufacturing engineering have led tothe technology becoming an efficient and flexible alternative for gear components.

Typical for Power Skiving is the diagonal arrangement of the tool axis to the component axis, known as the shaft angle.This adjustment of the tool, a defined axial feed and the coupled speed of tool and component result in a relative movementwhich effectively “peels” the tooth space from the component along the main cutting direction.

The Advantages

PITTLER T&S is the only manufacturer on the market to offer the Power Skiving process in conjunction with complete machining. An integrated tool magazine allows this efficient gearing technology to be presented without compromise in a 5-axis machine alongside the processes turning, milling, drilling, grinding, thread cutting and measuring. The flexible use of technology allows machining with a maximum of 2 chucking processes, thus guaranteeing high precision of tolerances.

The advantages of Power Skiving:

  • High tooth gear tooth quality
  • Low surface roughness
  • 50% reduction in cycle time compared with gear shaping

The advantages of complete machining:

  • Reduction of time-consuming retooling, transport and storage times
  • Less floor space requirement
  • Less capital lockup (one machine for several processes)

The machines

PITTLER SkiveLine with automation cell
PITTLER SkiveLine P-SK 315 for diameters up to 315 mm (12.4 in)
PITTLER SkiveLine P-SK 630 for diameters up to 630 mm (24.8 in)
PITTLER SkiveLine P-SK 1250 for diameters up to 1250 mm (49.2 in) 1250mm

Intelligent tool concept

The tools and associated blade geometries are another important factor in Power Skiving. They are designed individually for each gear unit (module and number of teeth). Specially manufactured bodies with reversible, inserted, cutting blades are used for the roughing tools which carry out approximately 80% of the machining. Powdermetal coated tools are used for finishing. At the end of tool life, these can be stripped, reground and then re-coated.

Process monitoring

  • High-precision measuring sensor for in-process measurement in the machine enclosure
  • Time-saving corrections
  • Two-ball dimension & flank line for gear components
  • Protected from swarf as the sensor can be exchanged in the tool magazine




Pittler T&S GmbH