L650 LIEBHERR UNIVERSAL GEAR HOBBER - #26705

Description

Quote # 26705
L650 LIEBHERR UNIVERSAL GEAR HOBBER
New 1975, Serial No. 0655/13, Model L650
Suitable for the hobbing of straight spur and helical
gears, pinions, splines, sprockets, worm gears, and
other workpieces of similar profile with diameters up
to 25.6" (650mm) x 2.5 DP (Module 10)
EQUIPMENT / FEATURES:
Machine bed with stationary machine column &
adjustable table slide, auto clamping of table slide
during axial hobbing
Single-start indexing worm drive in duplex-special
execution, indexing worm gear of special bronze
Steady column with hydraulic adjustable overhead work
support to be swiveled in highest position
w/auto-clamping in work position
Overhead tie-bar, hydraulically swiveled
w/auto-clamping on main/and steady column during
axial hobbing
Hob-slide with infinitely variable feed drive
Micrometer for setting depth adjustment
Differential mechanism for hobbing helical gears
Device for hobbing spur and helical gears, prime
numbered gears with constant radial feed
Shifting type hob-head for the automatic intermittent
hob shift after each hobbing cycle, pre-selectable
in both directions
Automatic two cut cycle, w/feed & speed change between
roughing and finishing cuts
Copy hobbing "crowning" equipment for producing
convex, concave, tapered, and double-tapered tooth
forms with template
Holder, and electro-hydraulic actuated template
follower
Hydraulic clamping device with infinitely variable
clamping pressure up to 10,000 kp, mounted within
machine table for actuating work-piece clamping
fixture
Hydraulic radial infeed (infinitely variable)
Hydraulic climb hobbing device for hob slide movement
Two (2) hob arbors, (1.25" and 2" diameter)
Assortment of change gears for differential and index
Magnetic chip conveyor
Automatic pressurized circulating lubrication system
w/central lubrication for the machine guide-ways
Full complement of electrics (motors/controls)
w/free-standing electrical cabinet , ward leonard
generator unit.
Self contained hydraulic equipment within machine
main column
Full guards/covers
Misc. Wrenches, spanners, operator's tools
PRINCIPAL SPECIFICATIONS:
Maximum diameter of gear............... 26"  (650mm)
Maximum DP (module) steel.............. 2.5 DP  (10-module)
Maximum axial travel (vertical)........ 14.5"  (370mm)
Minimum number of teeth cut............ 6
Work table diameter.................... 22"  (560mm)
Master worm-wheel diameter in table.... 22.6"  (575mm)
Table bore diameter.................... 7.5"  (190.5mm)
Min center distance between hob & work. 2"  (50mm)
Max center distance between hob & work. 17"  (435mm)
Clamping height above worktable........ 8.5"  (215mm)
Maximum hob diameter................... 7.8"  (200mm)
Maximum hob length..................... 7.8"  (200mm)
Hob spindle taper...................... No. 5 Morse
Maximum hob shift (tangential)......... 5.31"  (134.9mm)
Hob rpm range (infinitely variable).... 30-224 rpm
Feed range: (infinitely variable)
Axial: (per/rev.)...................... .0372-.2602"
Axial: (per/rev.)...................... (.0945-6.61mm)
Axial: (per/rev.)...................... .0092-.0649"
Axial: (per/rev.)...................... (.0236-1.65mm)
Radial: (per/min.)..................... .0039-.4724"
Radial: (per/min.)..................... (0.1-12mm)
Tangential: (per/min.)................. .0093-.0653"
Tangential: (per/min.)................. (0.237-1.66mm)
Tangential: (per/min.)................. .0023-.0163"
Tangential: (per/min.)................. (0.06-0.415mm)
Clearance for long shafts,
measured from table surface............ 33.5"  (850mm)
Weight of basic machine................ 19,000 Lbs.
Weight of basic machine................ (8,636 kGs.)
Floor space requirements............... 145"x 75" 104"
Floor space requirements............... (3683x1905x2642mm)
Total connected load................... 20 HP  (15 kW)
PRICE:  F.O.B. OUR WAREHOUSE........... ,500.00
All machine/equipment subject to prior sell