LK 180 - 280

Equipped for everything

Module 3.00 mm
Workpiece diameter 180 - 280 mm

Advantages of Skiving³

  • Machine

    - Rigid machine design
    - Ringloader concept for fast workpiece change
    - Tailstock for shaft machining and optimum workpiece clamping
    - Optional chamfering during the machining process
    - Optionally with fully automatic tool changing system (up to twelve tools)

  • Tool

    - Design and manufacturing of conical and cylindrical skiving cutters
    - Process optimized tool design
    - Tools in PM-HSS & carbide versions

  • Process

    - Process analysis and simulation for optimal cutting conditions
    - Use of technology applications for optimal customer support
    - Collision analysis with calculation software

Machine concept

Increased efficiency thanks to gear skiving

Gear teeth manufacturers are seeking alternative processes that are more productive and cost-effective than the gear shaping method and more flexible than broaching.

Successful gear skiving by means of:

  • Machine
  • Tool
  • Process

The foundation for successful gear skiving is the rigidity of the machine: The cast iron machine bed absorbs the occurring process forces. In the machining head, a high spindle rigidity is achieved by means of a special bearing concept, which means that longer tool holders can also be used. This is particularly important for machining internal gears.

In combination with a burst-proof housing, the machine is suitable for both dry and wet machining with oil or emulsion.

In addition to the machine, the appropriate tool is crucial for a stable process. Our in-house tool development and manufacturing enables us to design the optimal tool for every workpiece - based on our vast knowledge of the gear skiving process.

The planned process must be taken into account when designing tools. Our intensive technological development and extensive tests on customer projects have given us a complete understanding of gear skiving and, with Skiving³, we offer a complete solution consisting of machine, tool and process.

The tailstock makes the machine suitable not only for external and internal gears but also for shafts.

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Complete machining of a planetary gear on the LK 280 DC

SkivingPlus functions

The new generation of gear skiving machines feature a machine-integrated tool changer with up to 12 storage locations. This enables additional SkivingPlus functions such as turning, drilling and gear cutting.

Technical data
Module 3.00 mm
Workpiece weight 25 kg
Axial travel 400 mm
Shift distance 400 mm
Swivel angle of gear skiving head 30 ° Grad
Max. spindle power 16 kW
Hob speed 4,000 min-1
Tool diameter 150 mm
LK 180 LK 280 LK 180 DC LK 280 DC
Workpiece diameter [mm] 180 280 180 280

Liebherrs in-house tool production

Liebherr offers a comprehensive range of gear cutting tools, many years of experience in gear manufacturing, and the highest level of product quality down to the smallest detail. Our gear skiving tools are manufactured at our sites in Ettlingen, Germany and Collegno, Italy.

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