271 HEALD TOOL ROOM INTERNAL GRINDER

271 HEALD TOOL ROOM INTERNAL GRINDER
S/N 36847

STANDARD CATALOG SPECIFICATIONS

CAPACITIES
Swing over table (straight work, on center line)... 22
Swing inside of standard coolant guard............. 18
Maximum length of hole that can be ground.......... 8
Maximum diameter of hole that can be ground........ 21 3/4
Maximum included angle of taper....................60 degrees
Center of chuck spindle from floor............ 45 1/2 49 1/2
Work head spindle flange................. 95/8 flange type (std)
Hole through work head spindle..................... 1 15/16
Table travel.......................................16
Work head cross slide travel.............Front 6
Rear 11 1/2
SPEEDS FEEDS
Table speeds for grinding unlimited between........ 0 to 18 FPM
Rapid traverse of table............................ 18 FPM
Work head speeds - approximate...........400-266-200-133 RPM
One turn of cross feed hand wheel.................. .050 on dia.
Roughing cross feed - adjustable..........0001 to .0006 on dia.
Finishing cross feed -non-adjustable.............. .0001 on dia.
One turn of work slide hand wheel.................. .100

DRIVE
Hydraulic pump motor, 60 cycles a-c...... 11/2 HP, 1800 RPM
Work head motor, 60 cycles a-c........... 11/2, 1 3/4, 1/2 HP
550-850-1180-1740 RPM
Wheel head motor, 60 cycles a-c....... 5 HP(7 1/2 avail) 3600 RPM
Coolant pump motor, 60 cycles a-c........1/2 HP, 1800 RPM

GENERAL DATA
Capacity of oil tank................................... 15 gallons
Capacity of standard coolant tank...................... 55 gallons
Length and width of base of floor............. 66 1/4 x 28 1/8
Floor space (total) with or without coolant tank....... 91 x 87
Weight of machine net(approx.)........................ 8,200 lbs.

EQUIPMENT FEATURES
Plain feed box.
4-Speed work head.
Cross sliding work head.
Manual and power table.
4 position facing stop.
Dresser – Manual Single point diamond.
Work head jog.
Red head spindle.
Attached electrical panel.
Operators parts book.
12” 4 Jaw chuck.

G.C.H. has many Heald machines and a full inventory of replacement spindles, parts and expertise. If for some reason this does not fit your needs, please contact your salesman about other like machines.

Specifications are deemed accurate, however, subject to verification or prior sale.
All exchangeunits/returns must be shipped within 30 days. All exchange units/returns mustbe shipped using DDP terms - Grinders Clearing House, Inc. dba GCH Machinery,is not responsible for any customs formalities or shipping costs.

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