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LiebherrGear technology and automation systems
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LC 2000 - 12000

Think big.

metricimperial
  • Module - 24.00 - 60.00 mm

  • Workpiece diameter - 1,500 - 12,000 mm

Machine concept

Is performance-related gear cutting possible on your machine? As nowadays the need to be economical is more important than ever, modern machines are required.

The Liebherr LC series ensures reliable machining with the required torques and cutting forces. This allows us to reinforce the capability of modern CNC gear hobbing machines.

The machine concept fulfills quality requirements such as accuracy, stability and temperature resistance. Stable processes are realized during pre- and finish cutting.

Is dry gear hobbing for large modules (m>10) possible? Yes, as you can see in the picture on the left.

  • Flexible layouts possible
  • Chip conveyor can be retracted if required (shaft machining)
  • Temperature stable, as there is no direct connection between machine table, machine bed and counter column. The connection is made via the foundation.
  • Welded machine bed for higher rigidity
  • Hardened guideways
  • Use of flat guides for increased damping and reduction of vibrations

X1 - Radial movement column slide | V1 - Tangential movement tool | Z1 - Axial travel tool | B1 - Rotary movement tool | C2 - Rotary movement workpiece | A1 - Swivel movement tool | Z4 - Vertical travel tailstock

Hob heads

Gear hobbing head HH 450 DD

- Drive power: 53 KW
- Module 24/30
- max. hob speed 250 rpm
- max. hob diameter 320 mm
- max. hob length 440 mm
- max. tangential distance 300mm
- max. tangential speed 500 mm/min

Impressions

LC 4000

LC 4000 - Profile milling

Customer projects

Not an off-the-shelf machine: LC 4000 for HMC

With the LC 4000, Liebherr is breaking new ground in the production of large gears and combining different hobbing methods on a highly efficient machine for the American gear specialist.

Read article

Technical data

Module
24.00 - 60.00 mm
Workpiece diameter
1,500 - 12,000 mm
VariantsLC 1500LC 2000LC 2500LC 3000LC 4500LC 6000LC 8000LC 10000LC 12000
Module (mm)24.00 / 30.0024.00 / 30.0030.00 / 40.0030.00 / 40.0030.00 / 40.0030.00 / 40.0050.00 / 60.0050.00 / 60.0050.00 / 60.00
Workpiece diameter (mm)1,5002,0002,5003,0004,5006,0008,00010,00012,000
Axial travel (mm)1,200 / 1,8001,200 / 2,7001,200 / 2,7001,200 / 2,7001,200 / 2,7001,200 / 2,7001,200 / 2,7001,200 / 2,7001,200 / 2,700

LC 2000 - 12000