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10" X 16" CINCINNATI MODEL R-58 PLAIN CYLINDRICAL GRINDER

GRINDER PLAIN
Manufacturer:
CINCINNATI
Model:
R-58
Year:
1973
Stock #:
2883
10" X 16" CINCINNATI MODEL R-58 PLAIN CYLINDRICAL GRINDER

Maximum distance between centers 16"
Maximum swing over table 10"
Maximum weight of work between centers 55 lbs.
Maximum weight of chuck held work 33 lbs.
Table
Table traverse speeds (infinitely variable) 2 - 240 IPM
Minimum movement necessary to reverse table 5/32"
Table traverse per revolution of handwheel .1" - .5"
Maximum swivel of table +/- 14 degrees
Headstock
Number of speeds infinite
Speed range 60 - 500
Diameter of bore in spindle 1.4"
Headstock spindle nose - American Lathe Standard 5"
Center taper (Jarno) 0 - 90 degrees
Footstock
Center taper (Jarno) 6
Quill retraction .8"
Wheelhead
Rapid advance of stroke 2"
Manual infeed per handwheel revolution diameter .050"
Automatic pickfeed on diamter (8 steps) .0002" - .0016"
Hand lever compensation on diameter .0001"
Micrometer compensation on diamter (extra cost) .00004"
Grinding Wheel
Standard size (OD x width x hole) 16" x 1 5/8" x 5"
Maximum wheel size 16" x 2" x 5"
Coolant system (separate tank)
Tank capacity (gallons) 39
Approximate weight 4,500 lbs

MOTOR SPECIFICATIONS

5 1/2 HP 3/60/220/440 Wheelhead drive
1/3 HP 3/60/220/440 Headstock drive
1 HP 3/60/220/440 Hydraulic pump
1/6 HP 3/60/220/440 Coolant pump
1/6 HP 3/60/220/440 Wheelhead lube pump
1 HP 3/60/220/440 Internal grinding attachment

Automatic dual rate (coarse & fine) with variable sparkout control
Pickfeed at table reversal, 8 steps selection
Marposs gauging attachment
Combination live and dead headstock
Coolant pump and tank
Table mounted truing attachment

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