74 HEALD INTERNAL GRINDER S/N 28402A

74 HEALD INTERNAL GRINDER (EXTENDED BRIDGE)
S/N 28402A YEAR: 1952

STANDARD SPECIFICATIONS

CAPACITIES:
Swing over table (straight work)........................ 26
Maximum diameter of hole that can be ground............. 20
Grinding stroke......................................... 62
Taper swivel on work head.......................... 60� inc.angle
Center of chuck spindle from floor...................... 50
Diameter of work head spindle flange.................... 12
Hole through work head spindle.......................... 1 11/16

SPEEDS ANDFEEDS
Table speeds unlimited between............... 0 to 18 ft. per min
Work head speeds adjustable from............. a-c 41-62-82-123 RPM
Cross feed dial graduation represents................... .001
Power feed adjustment........................ 1 to 6 teeth
Each ratchet tooth with coarse gears (standard)......... .0002
Each ratchet tooth with fine gears (optional)........... .000128

DRIVES
Pump motor............................... 2 HP, ac - 1200 RPM
Work head motor..1-1 1/2-2-3 Tapered HP, ac-600-900-1200-1800 RPM
Wheel head motor......................... 7 1/2 HP, ac-3600 RPM
EQUIPMENT AND FEATURES
All trip dogs.
Cam facing stop.
Hydraulic table.
All pick feeds.
Single point dresser.
4 Speed work head.
24” 4 Jaw chuck.
62” Table stroke.
Manual hydraulic table travel.
Swivel bed.
92” Extended bed.
Coolant tank pump.
26” Swing over extended bed.
Automatic lube.
3 Point steady rest.
Standard flange work head.
Variable speed traverse table.

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

All exchange units/returns must be shipped within 30 days. All exchange units/returns must be shipped using DDP terms - Grinders Clearing House, Inc. dba GCH Machinery, is not responsible for any customs formalities or shipping costs.

If Grinders Clearing House, Inc. dba GCH Machinery does not receive exchange/core unit back within30 days, GCH will invoice FULL replacement cost (OUTRIGHT Cost) to customer.