MODEL NO. LC-1002 LIEBHERR 6-AXIS "CNC" GEAR HOBBING MACHINE

MODEL NO. LC-1002 LIEBHERR 6-AXIS "CNC" GEAR HOBBING MACHINE SERIAL NO. 1104/5 (NEW 1989) SUITABLE FOR HOBBING SPUR AND HELICAL GEARS, SPLINES, PINIONS, WORM WHEELS, & OTHER WORK-PIECES OF SIMILAR PROFILES UP TO 39.4" (1000MM) PITCH DIAMETER EQUIPMENT / FEATURES: MACHINE BED WITH STATIONARY TABLE ASSEMBLY, TABLE SPINDLE WITH ANTI FRICTION ROLLER BEARINGS SINGLE START INDEXING GEAR, WORM WHEEL OF BRONZE, DUAL LEAD WORM MACHINE MAIN COLUMN WITH INFINITELY VARIABLE RADIAL FEED, AUTOMATICALLY LOCKED IN WORKING POSITION MACHINE WITH "EXTENDED HEIGHT MAIN COLUMN" FOR increased AXIAL TRAVEL OF 39.4" (1000MM) TAILSTOCK COLUMN WITH HYDRAULICALLY ACTUATED TAILSTOCK ARM, WITH "CLAM-SHELL" PINION WORK-STEADY, AUTOMATICALLY LOCKED IN WORKING POSITION HOB HEAD FOR RADIAL, AXIAL, AND TANGENTIAL HOBBING. HOB SLIDE AUTOMATICALLY CLAMPED DURING AXIAL AND RADIAL HOBBING. EQUIPPED WITH AUTOMATIC INCREMENTAL HOB SHIFTING, PRESELECTABLE IN BOTH DIRECTIONS SEPARATE DRIVES FOR HOB SPINDLE & WORK TABLE W/HOB HEAD MOUNTED DC MAIN MOTOR BALL SCREWS, PRE LOADED RE-CIRCULATING FOR AXIAL, RADIAL, & TANGENTIAL FEED AUTOMATIC CLAMPING /UNCLAMPING OF HOB ARBOR, CONTROLLED FROM OPERATOR'S PANEL LIEBHERR CNC CONTROL SYSTEM "MPST" IN 6-AXIS EXECUTION WITH OPERATOR CONVERSATIONAL SOFTWARE FOR GEAR HOBBING AND CRT FOR THE FOLLOWING AXES: RADIAL MOVEMENT --- AXIAL MOVEMENT TANGENTIAL MOVEMENT --- HOB ROTATION TABLE ROTATION --- HOB HEAD SWIVEL ( CNC-CONTROL FEATURE ) THE ELECTRONIC SYNCHRONIZATION OF THE GENERATION PROCESS,(I.E. HOB AND TABLE ROTATION), IS INTEGRATED IN THE CNC SYSTEM. HELIX GENERATION, I.E. LINKING OF AXIAL HOB SLIDE MOVEMENT AND TABLE ROTATION, AS WELL AS TANGENTIAL HOBBING, I.E.LINKING OF TANGENTIAL MOVEMENT AND TABLE ROTATION ARE INTEGRATED IN THE CNC SYSTEM. COPY SYSTEM FOR CROWNING AND END RELIEF ARE PART OF THE CNC SYSTEM, I.E. LINKAGE OF RADIAL AND AXIAL MOTION. LINEAR AND CIRCULAR INTERPOLATION, MAX. RADIUS 328 FT. (100 M). FEEDS PROGRAMMABLE IN MM OR INCHES/TABLE REVOLUTION, FEEDS CONSTANT WITH CHANGES IN HOB SPEED. WHEN SINGLE INDEXING MILLING, FEED IN MM OR INCH/MIN. SEPARATE OVERRIDES FOR FEED AND SPEED (INFINITE BETWEEN 10 AND 133%). ALTERING OF FEED AND SPEEDS DURING HOBBING ALLOWS OPTIMIZATION OF THE CUTTING CONDITION. CNC SYSTEM, FREE PROGRAMMABLE FOR INDIVIDUAL CYCLES, INPUT VIA KEYBOARD OR PUNCH TAPE. PARAMETRIC PROGRAMMING WITH 90 VARIABLE AND 10 FIXED PARAMETERS PARAMETRIC PROGRAMS FOR 32 FIXED CYCLES REPEATEDLY USED FOR HOBBING, E.G., ONE CUT CYCLE, TWO CUT CYCLE WITH OR WITHOUT RADIAL APPROACH, CLIMB OR CONVENTIONAL HOBBING WITH OR WITHOUT SHIFTING, RADIAL OR TANGENTIAL HOBBING, FIXED CYCLES FOR CROWNING AND TAPER HOBBING, (PROGRAMS INCLUDE DIGRESSIVE APPROACH) SOFTWARE FOR CALCULATION OF APPROACH, OVERRUN AND CROWNING DATA (CROWNING RADIUS AND RADIUS LOCATION). CMOS TECHNIQUE FOR APPROX. 100 PART PROGRAMS (COMPONENTS), DEPENDING ON COMPLEXITY OF PROGRAM (32,000 CHARACTERS). DATA I/O VIA RS 232 CONNECTOR FROM OR TO A PERIPHERAL DEVICE, SUCH AS TAPE READER OR PUNCHER, MAGNETIC CASSETTE DEVICE OR DATA TERMINAL. LOGIC CAPABILITY WITH FEASIBILITY CHECKS I. E. MAX. AND MIN. MACHINE PARAMETERS ARE AUTOMATICALLY SCANNED WHEN NEW PROGRAMS ARE MADE. ALL INFORMATION DISPLAYED ON C.R.T. SCREEN. (DISPLAY IS 8 LINES X 32 CHARACTERS PER LINE). INPUT OF ALL INFORMATION VIA KEYBOARD. KEYBOARD INPUT FOR THE FOLLOWING PARAMETERS: NO. OF TEETH --- (SMALLEST PROGRAMMABLE INCREMENT) NO. OF HOB STARTS HELIX ANGLE .0001 DEGR. 0.0001 DEGR. AXIAL TRAVEL .00004" 0.001 MM RADIAL TRAVEL .00004" 0.001 MM TANGENTIAL TRAVEL .00004" 0.001 MM HOB SHIFT TRAVEL AND .00004" 0.001 MM step size AXIAL FEED .004"/REV 0.1 MM/REV RADIAL FEED .0004"/REV 0.01 MM/REV TANGENTIAL FEED .0004"/REV 0.01 MM/REV hob rpm 1 1 HOB HEAD SWIVEL ANGLE .05 DEGR 0.05 DEGR. ELECTRONIC HANDWHEEL FOR MANUAL CONTROL OF THE MACHINE (ANY LINEAR AXIS AND TABLE ROTATION), MISCELLANEOUS FUNCTIONS (M FUNCTIONS) COOLANT ON/OFF, WORKPIECE CLAMPING/ UNCLAMPING, OVERHEAD WORK SUPPORT up/down CONTROLLED EMERGENCY SHUT DOWN. IN CASE OF DISTURBANCE, I.E. FAILURE OF SINGLE MEASURING SYSTEMS, OR IN CASE OF DISTURBANCES WITHIN THE HYDRAULIC AREA, THE ELECTRONIC SYNCHRONIZATION OF THE GENERATING PROCESS IS MAINTAINED UNTIL ROTARY MOTIONS HAVE ceased. DIAGNOSTIC CAPABILITY WITH FAULTS DISPLAYED ON THE C.R.T. FAULTS ARE MONITORED ON: P. C. CONTROLLER A. C. SERVO MOTORS ROTATIONAL RELATIONSHIP EMERGENCY STOP, ETC. ( ADDITIONAL MACHINE EQUIPMENT ) HYDRAULIC EQUIPMENT INSTALLED ON THE MACHINE, INCLUDING CLAMPING SYSTEM FOR MACHINE COLUMN AND TAILSTOCK ARM AUTOMATIC PRESSURIZED CIRCULATING LUBRICATION FOR ALL GUIDE-WAYS COOLANT UNIT WITH PUMP CHEMAPERM CHIP CONVEYOR WITH MAGNETIC CHIP TRANSFER AND PERMANENT MAGNETIC SEPARATOR ARRANGED ALONGSIDE THE MACHINE SLIDING DOOR SPLASH GUARDS AND EXHAUST HOOD OVER WORK AREA FOR CONNECTION TO A CENTRAL OIL MIST COLLECTING SYSTEM. HOOD RETRACTABLE FOR LOADING/UNLOADING, W/SAFELY INTERLOCK ON SPLASH guard door ONE (1) HOB ARBOR HARDENED AND GROUND ONE (1) WORK AREA LAMP COMPLETE ELECTRICAL CONTROL EQUIPMENT FOR MAIN VOLTAGE (CURRENTLY ARRANGED FOR 470 VOLT, 60 HZ OPERATION) OPERATOR'S PANEL WITH CRT. PC INTEGRATED INTO CNC. POWER CONTROLS SIEMENS ALLIS HYDRAULICALLY ADJUSTABLE BACKLASH CONTROL OF THE WORK TABLE DRIVE, PREFERABLY FOR SKIVE HOBBING, AND FOR USING L.H. HOBS FOR R.H. GEARS, AND VICE VERSA MACHINE LEVELING SHOES PRICE: FOR THE MACHINE & ACCESSORY & ACCESSORY EQUIPMENT PREPARED FOR SAFE TRUCK TRANSPORT UNDER SUPERVISION OF QUALIFIED SERVICE ENGINEER, WITH delivery F.O.B. truck Cincinnati, OH Maximum work-piece diameter: 39.4" (1000MM) Maximum hob diameter: 9.44" (240MM) Maximum length of hob: 11.8" (300MM) Hob speeds, selective: 25 TO 250 RPM Hob arbor taper type: ISO 50 Based on 86000 lbs. steel: 1.5 DP (16 MODULE) Maximum hob shift (tangential travel): 9.84" (250MM) Maximum hob-head swivel angle: +/- 50 DEGREES Hob drive: 41.3 HP (30.8 KW) Maximum axial travel: 39.4" (1000MM) Work-table diameter: 27.95" (710MM) Minimum no. of teeth cut: 6 To work-table centerline: 1.58" (40MM) To work-table surface: 9.44" (240MM) Work-table bore diameter: 8.858" (225MM) Work-table bore depth: 15.7" (400MM) Feed, axial - per/table rev.: (.010 - 20MM) Feed, radial - per/table rev.: (.010 - 4MM) Feed, tangential - per/table rev.: (.01 - 5MM) Rapid speed, axial - per/min.: 80" (2000MM) Rapid speed, radial - per/min: 120" (3000MM) Rapid speed, tangential - per/min.: 40" (1000MM) Approximate net weight: 35,200 LBS(16,000 KG) Total connected power approx.: 74 KVA