74 HEALD INTERNAL GRINDER (EXTENDED BRIDGE)

74 HEALD INTERNAL GRINDER (EXTENDED BRIDGE)

S/N 18114 YEAR: 1970

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.
Hydraulic table.
All pick feeds.
Single point dresser.
18” 4 Jaw chuck.
62” Grind stroke.
Manual hydraulic table travel.
Swivel bed.
72” Extended bed.
Coolant tank pump.
Center rest.
40” table travel.

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.