10" X 17" CINCINNATI MODEL R55 PRECISION I.D. & O.D. GRINDER

Swing 10"
Maximum distance between centers 17.33"
Maximum weight of work between centers (without steady rest)
55 lbs.
Maximum weight of work held in chuck 33 lbs.
Table
Speeds, infinitely variable 2" to 240"
Minimum movement necessary to reverse table .16" to
.2"
Table traverse per rev. of hand wheel (2 Speed) .1" to .
5"
Table tarry at both reversal points, infinitely variable
0 to 6 seconds
Maximum swivel of table +/- 14 degrees
Head Stock
Live & dead spindle
Speeds, infinitely variable 60 to 500 RPM
Hole in spindle 1.4"
Taper in spindle No. 6 Jarno
Swivels0 to 90 degrees
Foot Stock
Lever type
Taper No. 6 Jarno
Quill retration1"
Wheelhead
Rapid advance & retract stroke 2"
Manual infeed, one rev. of handwheel (on dia.) .050"
Automatic infeed (on demand) max. removal on dia. .079"
Automatic pick feed on dia. in 8 steps .0002" to .0016"
Handlever pickfeed on dia. .0001" for fine size compensati
on
Micro fine feed per div. on dia. .000040"
Swivel - upper & lower +/- 90 degrees
Grinding Wheel
Diameter 12"
Width 1-1/2"
Hole 5"
Speed Maximum 6500 SFM
Overall dimensions 80-3/4" x 72" x 56.4" High
Approximate weight 4,378 lbs.

MOTOR SPECIFICATIONS

4 HP 3/60/230/460 Wheelhead motor
1/2 HP Work head motor
1 HP Hydraulic pump
.12 HP Coolant pump
.25 HP Lube pump
1 HP Internal grinding spindle