CINCINNATI R-77 UNIVERSAL CYLINDRICAL GRINDER

10 x 31CINCINNATIMILACRON UNIVERSAL
ID/OD CYLINDRICAL GRINDER
Model R-77

S/N 27929 Year: 1979

STANDARD SPECIFICATIONS
Maximum distance between centers…………………………………… 31
Maximum swing over table……………………………………………. 10
Maximum weight of work piece between centers……………………… 165 lbs.
Maximum weight of chuck held work…………………………………. 44 lbs.

TABLE
Table traverse speeds, infinitely variable……………………………….2-240 IPM
Table traverse per revolution of hand wheel……………………………0.1- .5
Minimum movement necessary to reverse table………………………..5/32
Maximum swivel of table………………………………………………. /-14 degree

HEAD STOCK
Number of speeds……………………………………………………… Infinite
Speed range……………………………………………………………. 60-500 RPM
Diameter of bore in spindle……………………………………………. 1 1/2
Head stock spindle nose-American Lathe Standard……………………5
Center taper…………………………………………………………….. #6 Jarno
Swivel………………………………………………………………….. 0-90 Degree

FOOT STOCK
Center taper……………………………………………………………. #6 Jarno
Quill retraction………………………………………………………… 8'

WHEEL HEAD
Swivel………………………………………………………… /-45 Degrees
Rapid advance stroke………………………………………… 2
Manual in feed per hand wheel revolution (dia.)……………..0.050
Auto pick feed on diameter………………………………….. 0.0002-.0016
Hand lever compensation on diameter………………………. 0.0001
Grinding wheel:
Standard wheel size……………………………………….. 16 O.D. x 2 wide x 5 hole
Approximate weight………………………………………. 8,000 lbs.

MACHINE FEATURES
Hydraulic operation featuring:
Hydraulic table traverse.
Infinitely variable hydraulic traverse with pick feed.
Amounts from .0002 to .0016 (diameter reduction)in eight steps which can be set at Left End Only, Right End Only, Left and Right End of table reversal, or Off.
Automatic dual rate plunge in feed (coarse fine feed selections).
Power rapid wheel head advance retraction.

Spark out Timer:
Swivel table allowing for grinding of parts with tapers up to 28 Degrees including angle.
Two speed (coarse fine) table traverse hand wheel.
1 HP Universal motorized head stock with combination live and dead spindle and center.
Lever-type foot stock with center.
Automatic lubrication to table and wheel head ways.
1 HP Hydraulic pump motor and tank.
4 HP 3/60/208-230-460 volt wheel head drive motor and electrical controls.

EQUIPPED WITH
Table mounted dresser.
Dial indicator for fine adjustment of table swivel.
Centers.
Coolant tank pump.

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.