26” LIEBHERR “L650” UNIVERSAL GEAR HOBBER w/DIFFERENTIAL & OUTBOARD SUPPORT

#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