USED CINCINNATI MODEL R-78 PLAIN CYLINDRICAL GRINDER, 10″ X 31″

STOCK# NK-19121

S/N 28136 | NEW 1976

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SPECIFICATIONS

GENERAL

  • MAXIMUM DISTANCE BETWEEN CENTERS: 31″
  • MAXIMUM TABLE TRAVEL: 31”
  • CENTER HEIGHT: 5”
  • MAXIMUM SWING OVER TABLE: 10″
  • MAXIMUM WEIGHT OF WORKPIECE BETWEEN CENTERS: 165 LBS
  • MAXIMUM WEIGHT OF CHUCK HELD WORK: 44 LBS

TABLE

  • TABLE TRAVERSE SPEEDS (INFINITELY VARIABLE): 2 – 240 IPM
  • MINIMUM MOVEMENT NECESSARY TO REVERSE TABLE: .16” – .2”
  • TABLE TRAVERSE PER REV OF HANDWHEEL: .1″ – .5″
  • TABLE TARRY AT BOTH REVERSAL POINTS
  • (INFINITELY VARIABLE): 0-6 SECONDS
  • MAXIMUM TABLE SWIVEL: ±1 0DEGREES

HEADSTOCK

  • NUMBER OF SPEEDS: INFINITE
  • SPEED RANGE: 60 – 480 RPM
  • DIAMETER OF BORE IN SPINDLE: 1.4”
  • CENTER TAPER IN SPINDLE (JARNO): NO. 13
  • CENTER TAPER (JARNO): NO. 8
  • SWIVEL: 0 – 90 DEGREES

FOOTSTOCK

  • CENTER TAPER (JARNO): NO. 8
  • QUILL RETRACTION: 1″

WHEELHEAD

  • RAPID ADVANCE STROKE: 2″
  • MANUAL INFEED PER REV OF HANDWHEEL ON DIA.: .050″
  • AUTOMATIC INFEED (ON DEMAND) MAXIMUM
  • STOCK REMOVAL ON DIA.: .079”
  • AUTO PICKFEED ON DIAMETER IN 8 STEPS: .0002″ – .0016″
  • HAND LEVER COMPENSATION ON DIA.: .0001″
  • MICROMETER COMPENSATION ON DIA.: .00004″

GRINDING WHEEL

  • STANDARD SIZE (O.D. X WIDTH X HOLE): 16″ X 2″ X 5″
  • MAXIMUM WHEEL SPEED: 6500 SFM

HYDRAULIC EQUIPMENT

  • TANK UNIT: 20 GALLONS

COOLANT SYSTEM

  • TANK CAPACITY: 40 GALLONS

MOTORS

  • WHEELHEAD DRIVE: 5.5 HP
  • HEADSTOCK DRIVE: 1 HP
  • HYDRAULIC PUMP: 1 HP
  • COOLANT PUMP: .12 HP
  • WHEELHEAD LUBE PUMP: .25 HP

GENERAL

  • NET WEIGHT WITH STANDARD ATTACHMENTS: 5302 LBS
  • ELECTRICS: 220 VOLTS, 3 PH, 60 CYC

EQUIPPED WITH

  • SWING DOWN ID ATTACHMENT INCLUDING SPINDLE
  • VARIABLE SPEED WORKHEAD WITH LIVE/DEAD CENTER
  • EXTRA WHEEL HUBS

PRICE $ 12,500.00