1982 LIEBHERR WS-501

MACHINE SPECIFICATIONS:
* Pitch Diameter external & Internal Gears Max..........................500mm (20")
* Max Workpiece Outside Diameter......................................600mm (23.6")
* Max Module (D.P.)...................................................8M (3.2 D.P.)
* Center Distance Between Cutter & Workspace...............Min 0, Max 375mm (14.7")
* Travel Of Table Slide...............................................375mm (14.7")
* Stroke Length Max............................................................80mm
* Stroke Range.........................................................80-400 S.P.M.
* Cutter Spindle diameter...............................................90mm (3.5")
* Variation Of Stroke Location............................................25mm (1")
* Workspace Table Diameter..............................................500mm (20")
* Table Bore...........................................................100mm (3.9")
* Distance Between Table Surface To Bottom Of
Cutter Spindle Without Adaptor) with 300mm Intermediate Plate (riser) 535mm (21")
* Weight Of Machine....................................................(17,100 lbs)

MACHINE FEATURES
* Mechanical column with machine bed an incorporated feed and indexing change gear
box for mounting of change gears
* Maximum table off set of the upper part of the column plus/minus 25mm from machine
center for helical cutter relief of cutter from workpiece
* Table slide with machine table and indexing worm drive in dublex-special execution,
indexing worm wheel of special bronze
* Hydrostatic bearings from lateral shaping head guide.
* Hydrostatic cutter spindle bearings and indexing worm drive in dublex-special
execution
* Indexing worm wheel of special bronze
* hydrostatic bearings to main drive shaft
* Positive cam-controlled cutter relief mechanism
* Relief for internal and external gears reversible
* Cutting depth to be adjusted by means of micrometer
* Automatic pressurized circulating lubrication
* Automatic central lubrication for the guideways
* Separated cycles for the lubrication and hydraulic system
* Main Drive consisting of silicon controlled rectifier and D.C. variable speed
motor 8.5 Kw in class of protection IP-33 for the infinite regulation of the no.
of strokes within range of 1:5
* Automatic change of no. of strokes after the first cut, infinitely variable number
of strokes can be pre selected independently from each other
* Automatic cycle, alternatively, up to 4 cuts
* Hydrostatic cutter spindle guide for spur guide for spur gears, equipped for max
stroke of 130mm
* Electromechanical radial feed, feed size infinitely variable
* Rapid traverse for the table slide movement with automatic change to radial feed
within the auto cycle
* Electronic impulse counter for accurate disconnect of table rotation
* Automatic radial feed change before last cut
* Automatic rotary feed change before last cut
* Cutter adaptor
* Assortment of indexing and rotary feed change gears
* Coolant Attachment w/splash guards, filter, etc.
* Chip retainer w/magnetic grit trap
* Operators manual, wiring, & hydraulic diagrams
* Free standing electrical cabinet
* Machine arranged for 460V 60 cycle operating current