LIEBHERR LC-255 Gear Hobber Machine – Year 2006

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Description

LIEBHERR LC-255 – Retrofit 2006
CNC 5 AXIS GEAR Hobbing Machine

Number of CNC controlled axes 5
Number of CNC controlled spindles 1
Pitch rating 4.23 DP 6 Mod
Maximum workpiece diameter 9.843 in 250 mm
Maximum axial travel 9.843 in 250 mm
Worktable diameter 9.843 in 250 mm
Worktable Worm Diameter 11.220 in 285 mm
Table bore diameter 3.937 in 100 mm
Maximum radial center distance 8.071 in 205 mm
Minimum radial center distance 0.787 in 20 mm
Maximum axial height from tabletop 15.354 in 390 mm
Minimum axial height from tabletop 5.512 in 140 mm
Maximum hob diameter 5.709 in 145 mm
Maximum hob length 9.055 in 230 mm
Maximum hob shift travel 6.693 in 170 mm
Maximum swivel angle -45 deg +45 deg
Hob speed range (Infinitely Variable) 48 to 480 RPM
Hob Spindle Power 10.7 HP 8 kW
Rapid traverse radial 118.110 in/min 3000 mm/min
Rapid traverse axial 78.740 in/min 2000 mm/min

This machine was recontrolled in 2006 with a Fanuc 18i-MA CNC and Fanuc Alpha series digital drives and motors. An entire new electrical cabinet was installed along with all new equipment inside the electrical cabinet. All support, service, parts and training are still available through. Machine upgrades, software additions or other machine modifications or tooling that might be required are also available through. The software in the machine is fully conversational based so the simple question and answer format allows quick and easy programming of all spur and helical gears within the machine size and DP rating.