275 HEALD EXTENDED BRIDGE INTERNAL GRINDER

275 HEALD EXTENDED BRIDGE INTERNAL GRINDER

S/N 34483

STANDARD CATALOG SPECIFICATIONS
Swing over swivel plate, diameter............ 16 dia.
Swing over bed...............................26
Swing inside guard...........................14
Hole length, maximum.........................5
Hole diameter, maximum.......................5 1/2
Hole diameter, minimum.......................1/8
Taper (included angle) bridge swivel......... 30 degrees
Taper (included angle) work head swivel...... 60 degrees
Center of work head spindle from floor....... 49 1/2
Table travel.................................16
Wheel head cross slide swivel to rear........ 4 degrees

SPEEDS FEEDS
Tables peed, rapid traverse.................. 35 FPM
Tables peed, grinding........................0 to 20 FPM
Work head speeds (4)...................570,875, 1150, 1750
One turn of cross feed hand wheel.......050,.060 on dia.
Wheel wear compensation, manual.............. 0 to .004
Power cross feed........................038, .042 on dia.
Roughing feed, adjustment...............0001 to .0005
Finishing feed, non-adjustable.................0001 on dia.
One turn of table hand wheel................. .963

DRIVE
Hydraulic pump motor.....................2HP, 1800RPM
Work head motor..........................11/2-1-3/4-1/2 HP
440 Volts..........................570,875, 1150, 1750RPM
Wheel head motor.........................5HP, 3600RPM
Coolant pump motor.......................1/2 HP, 1800RPM

GENERALDATA
Capacity of oil tank.......................... 15 gallons
Capacity of coolant tank......................55 gallons
Length width of base on floor............... 105 x 36
...........................................................128 x 36
Floor space with or without coolant tank......126 x 74
..............................................................149 x 74
Net weight of machine......................... 10500 lb.
Gross weight of machine....................... 12000 lb.

EQUIPMENT FEATURES
72 Extended bridge.
All trip dogs.
Face stop.
Jump slide.
Single point dresser.
Attached electrical.

Specifications are deemed accurate, however, subject to verification or prior sale.