The Hardinge VMC 800 II is a model of vertical machining center designed and manufactured by Hardinge, a well-known company specializing in precision machine tools. The VMC 800 II is specifically engineered for high-precision machining operations in various industries, including aerospace, automotive, and general manufacturing.

HARDINGE, VMC 800 II
SPECIFICATIONS:

POSITIONING TABLE TRAVEL: 15.7″ X 19.6″
WORKTABLE SIZE: 19.6″ X 31.4″
WORK TANK SIZE: 27.5″ X 49.2″ X 18″
PLATEN TO TABLE DISTANCE: 29″ MAX, 5″ MIN
RAM TRAVEL: 12″
BACKSLIDE TRAVEL: 12″
INFEED DISPLAY, 1″ DIAL INDICATOR: .001″/DIV
AUTOMATIC SHUT OFF: ADJUSTABLE
PLATEN SIZE: 7.8″ X 11.8″
MAXIMUM ELECTRODE WEIGHT: 550 LBS
MAXIMUM WORK PIECE WEIGHT: 3,300 LBS
SERVO CONTROLS:
MANUAL, DITHER, EDGE-FINDER, AUTO RETRACT, AUTO LOCK ORBIT STOP, ORBIT LIMIT, SERVO SPEED, GAP ADJUST
H-PULSE 1004 POWER SUPPLIES
EDM CONTROLS:ARC DURATION, % ON-TIME, PEAK CURRENT,POLARITY, ELECTRODE MATERIAL, GAP INITIATION
MAXIMUM AVERAGE CURRENT: 100 AMPS
PEAK CURRENT RANGE PER LEAD: 1 TO 32
NUMBER OF PEAK CURRENT SELECTIONS: 7
GAP INITIATION VOLTAGES: 75, 150, 300 VOLTS
ARC DURATION: 1 TO 3686 MICROSECONDS (60 SELECTIONS)
NUMBER OF LEADS: 2 PER 50 AMP/ POWER SUPPLY 4/100
OVERCUT (INFINITELY VARIABLE): .0005″ / SLIDE
BEST SURFACE FINISH: 10 u INCH RA
MAXIMUM METAL REMOVAL RATE: 4.8 CU IN/HR @ 100A
POSITIVE ELECTRODE (GRAPHITE/STEEL)
SINGLE LEAD OPERATION: 1310 CU mm/MIN
KVA INPUT AT 460 VOLTS: 10.9

DIELECTRIC SYSTEM
WORK TANK CAPACITY: 98 GAL
RESERVOIR CAPACITY: 200 GAL
FLUSHING PRESSURE, ADJUSTABLE: 0 – 50 PSI
VACUUM: 0-15 IN HG
FILTRATION, REPLACEABLE ELEMENT: THREE 5 MICRO ELEMENTS

GENERAL
MACHINE TOOL AND RESERVOIR: 108″ (H) X 98″ (W) X 96″ (D)
POWER SUPPLY: 61″ (H) X 25″ (W) X 30″ (D)
NET WEIGHT: 7,615 LBS
ELECTRICS: 460 VOLTS, 3 PH, 60 CYC

STANDARD EQUIPMENT

1. RUGGED, CAST IRON MACHINE TOOL WITH A PRECISION V-WAY ANTIFRICTION RAM, POWER BACKSLIDE HEAD ADJUSTMENT, V-FLAT TURCITE LINED WORK TABLE WAYS WITH BALL TYPE LEAD SCREW AND NON-INFLUENCING CALIPER WORK TABLE LOCKS
2. BALL TYPE LEAD SCREWS FOR X & Y WORKTABLE POSITIONING
3. TWO DOOR WORK TANK FOR CONVENIENT WORK PIECE SET-UP
4. ULTRA SENSITIVE DC SERVO SYSTEM WITH BALL SCREW DRIVE
5. MICROMETER DEPTH LIMIT STOP WITH AUTOMATIC RAM RETRACT CYCLE
6. DIAL INDICATOR INFEED DISPLAY .001 (.01 MM)
7. DIELECTRIC FLUID SYSTEM INCLUDING EXTERNAL RESERVOIR, THREE 5-MICRON FILTERS, FILL PUMP, PRESSURE PUMP AND MANIFOLD OUTLETS FOR PRESSURE, SUCTION PULSE FLUSH AND WORK TANK BYPASS OUTLETS FOR PRESSURE, SUCTION, PULSE FLUSH AND WORK TANK BYPASS
8. WORK TANK FLUID LEVEL SAFETY SWITCH AND PLASTIC WORK TANK GUARDS WITH GAP POWER INTERLOCK SWITCH
9. MACHINE CONTROL STATION WITH CONTROLS FOR MACHINE ON/OFF, COOLANT ON/OFF, POWER ON-OFF, MANUAL SERVO WITH AUDIBLE EDGE-FINDER AND DITHER AUTO SERVO WITH SERVO SPEED, GAP ADJUST, RAM CYCLE AND ORBIT STOP/LOCK
10. H-PULSE MODEL 1004 100-AMP POWER SUPPLY INCLUDING:
 EFFICIENCY METER WHICH ENABLES OPTIMUM CUTTING ADJUSTMENTS FOR GAP SPACING, SERVO SPEED OFF –TIME FLUSHING
 INDEPENDENT ON –TIME, OFF-TIME AND PEAK CURRENT CONTROLS
 AUTOMATIC, DUAL-SCALE AMMETER
 PERCENT ON –TIME METER
 CONVENIENT POLARITY SWITCH
 ELECTRODE SWITCH FOR GRAPHITE OR METALLIC MATERIALS
 NO WEAR CAPABILITY WITH GRAPHITE AND COPPER ELECTRODES
 GAP INITIATION CONTROL PERMITS GAP VOLTAGE SELECTIONS OF 75, 150 AND 300 VOLTS
 GAP MONITOR FAULT PROTECTION CIRCUITS PROVIDE AUTOMATIC SHUTDOWN IN THE EVENT OF OVER AMPERAGE, OVER VOLTAGE, IMPROPER GAP (DC ARCING) OR RESTRICTED AIRFLOW. FRONT PANEL RESET IS PROVIDED
 EASY TO CHANGE, FURNACE TYPE AIR FILTER
 ONE GAP CABLE FOR ONE TO TWO LEAD OPERATION