Liebherr Model L-652 Gear hobber , 26.6" max diam. 2-cut, crowning , upgraded electronics , new 1982 excellent

LIEBHERR vertical Gear Hobber
Model L-652
s/n will advise
New 1982

this machine is in excellent mechanical operating condition
in customers plant . it can be inspected prior to removal for
a short time with proper notice . machine has and excellent tooling
package as well as 2-cut cycle , crowning , and upgraded PLC!!

Machine catalog specifications as follows:

Workpiece diameter 25.60" (650 mm)
Maximum pitch (86000 psi steel) 2.0 DP (mod 12)
Maximum hob slide travel (standard) 19.7" (500 mm)
Work table diameter 23.2" (590 mm)
Master worm wheel, pitch diameter 22.64" (575 mm)
Table bore diameter 5.512" (140 mm)
Max. hob dia. 7.56" (192mm)
Max. hob length 9.84" (250mm)
Description of hob head shifting hob head
Hob spindle speed, steplessly variable min. 32 min-1 max. 256 min-1
Max. hob shift 7.87" (200mm)
Incremental shift min. .03" max. 6.18"
(.762 mm 177mm)
Minimum distance between hob and table center 1.97" (50 mm)
Maximum distance between hob and table center 17.12" (435 mm)
Maximum tangential/shift travel 7.87" (200 mm)
Hob spindle speed ranges (infinitely variable) 48 - 385 rpm
Axial feed, inch/per/rev. (Infinitely variable) 004" - .354"
(.0001 - 9.0 mm/per/rev)
Radial feed, inch/per/rev. (Infinitely variable) .0028" X .55"
(.70 - 14 mm/per/rev)
Rating of main motor 16 HP (12 kVA)
Floor space required 186" X 125"
Shipping dimensions 127" X 63" X 122"
Approx. Net machine weight 24,700 lbs. (11,200 kgs)

EQUIPMENT FEATURES:

- Hydraulic crowning/taper attachment Using templates
- Automatic Two-Cut cycle change of hob speed, feed between first, and second cut.
Automatic change of feed directions between cuts. Hob speeds, feeds,
and feed directions pre-selectable on operator’s panel.
- Automatic Hob shift
- Machine bed with stationary table assembly, table spindle equipped with
radial and axial anti-friction roller bearings
-Single-start indexing gear, worm wheel of bronze, dual lead worm
-Machine main column with infinitely variable radial feed, via DC drive recirculating ball screw, column automatically locked in working position
-Tailstock column with hydraulically actuated tailstock arm
-Axial feed infinitely variable via SCR-controlled DC drive and pre-loaded
recirculating ball screw
-Differential for hobbing helical gears
-Automatic cycle for climb or conventional hobbing
-Rapid traverse for all setup motions
-All electric motors T.E.F.C.B.B.
-Complete hydraulic equipment installed on the machine
-Automatic pressurized circulating lubrication with electric pump and filter
for all rotating parts
-Automatic lubrication for all guideways
-Coolant unit with pump (40 gpm capacity) w/chip pan w/paper band filter,
-Sliding door splash guards
-Safety interlock on splash guard and gear box door
-Machine prepared for connection to chip conveyor
-One tailstock guide bushing for work arbor
-One work area lamp
-Machine equipped with infinitely variable hob speed,
-main voltage 470, 3 phase, 60 cycle, control voltage
-control cabinet. Operator's control station.
-Automatic Shifting type hob-head for radial and axial hobbing
-Large assortment of change gears for index and differential
-Hob arbors 1” 1.250 “and 50 mm with end bushings.
-Operator's manual, wiring & hydraulic diagrams.

Contact us today for a formal quote and pricing at WWW.Pisellient.com
we look forward to supplying you with some of the best machines on the
market today! contact Rich Piselli to set up a visit today!!