Cincinnati DA

CINCINNATI PLAIN GRINDER MODEL DA
10 x 72 380

Work Piece Capacity
Maximum work piece diameter……………………………… 10”
Maximum diameter over table………………………………. 10.93”
Nominal work piece length………………………………….. 72”

Wheel Head
Grinding wheel diameter…………………………………… 30”
Grinding wheel diameter (worn)…………………………… 16”
Collet hole diameter………………………………………… 12”
Grinding wheel width………………………………………. 6.5”
Grinding wheel speed, ft/min surface speed motor…… 25, 30 HP

Sliding Table
Maximum work piece length………………………………. 80”
Total table travel…………………………………………… 88”
Power table traverse……………………………………….. 0 – 250” / min
Hand wheel table traverse…………………………………. 0.200” / rev. of hand wheel

Swivel Table
Nominal length between centers………………………….. 72”
Maximum swivel counterclockwise…………… 11°, 9°, 9°, 9°, 8°, 7°, 6°
Maximum swivel clockwise…………………… 3°, 3°, 3°, 2°, 2°, 2°, 1.5°

Head Stock
Work piece center………………………………………… No. 14 Jarno
Head stock spindle speed – A.C. Motor – standard…… 34, 49, 70, 100, 144, 206 RPM
Head stock spindle speed – A.C. Motor – optional………. 40, 58, 83, 119, 171, 245 RPM
Head stock spindle speed low range – D.C. Motor
1975 design………………………………………………. 10 to 500 RPM
Head stock spindle speed high range – D.C. Motor
1975 design……………………………………………….. 8 to 422 RPM
Head stock spindle speed range – D.C. Motor
1972 design……………………………………………….. 20 to 500 RPM
Motor – A.C………………………………………………. 1, 1.5 HP
Motor – D.C. – 1975 design………………………………. 2.25 HP
Motor – D.C. – 1972 design………………………………. 2.25 HP

Foot Stock
Work piece center…………………………………………. No. 14 Jarno
Center movement – lever & screw type…………………… 1.75”
Center movement – hydraulic type………………………… 2” or 5”
Center force – lever & screw type………………… 100 lbs. to 200 lbs.

Wheel Head Infeed
Total feed stroke (stock removal)……………………. 0 to 0.999” increments of 0.001”
Medium infeed stroke……………….……………….. 0 to 0.099” increments of 0.001”
Fine feed stroke…………………………………….... 0 to 0.0099” increments of 0.0001”
Truing (wheel head) compensation………………….. 0 to 0.0029” increments of 0.0001”
Manual or pick feed compensation……….. 0 to 0.00999” (.0003” minimum increment)
Rapid hydraulic stroke…………………………………….. 4”
Rapid rate – maximum rate push button…………… 0.600” to 1.875”
Gap eliminator rate……………………………. 0.1125” to 0.2250” / min
Coarse feed rate………………………………… 0.030” to 0.150” / min
Medium feed rate………………………………… 0.014” to 0.075” / min
Fine feed rate………………………………… 0.00075” to 0.01500” / min
Tarry time……………………… 0.7 to 10.0 seconds (extendable to 20)
Dead possible table reversals.……………………… 0 to 7 number

Hydraulic Tank
Tank capacity………………………………………………. 25 gallons
Oil specifications C.M. specifications no………………….. P-45
Viscosity (S.U.S. @ 100° F)……………………………….. 95-115
Main pump capacity…………………………………… 12 gallons / min
500 P.S.I. pump capacity……………………………… 1.5 gallons / min
Sump pump capacity…………………………………... 5.4 gallons / min
Hydraulic pump motor…………………………………….. 3 or 5 HP

Way Lubrication Tank
Tank capacity…………………………………………… 6 or 3.1 gallons
Oil specifications C.M. specifications no………………….. P-50
Vicosity (S.U.S. @ 100° F)………………………………… 900 – 1100
Pump capacity…………………………………………….... 4 gallons
Pump motor………………………………………………... 0.25 HP

Coolant Tank
Tank capacity………………………………………… 100 or 150 gallons
Pump capacity…………………………………… 35 or 55 gallons / min
Pump motor………………………………………………. 0.25 or 0.5 HP

Foot Stock Reservoir, Lever and Screw Type
Reservoir capacity………………………… Fill to oil sight gage /gallons
Oil specifications C.M. specifications no…………………. P-55
Viscosity (S.U.S. @ 100°F)……………………………….. 194-236

EQUIPMENT & FEATURES
Work jog.
Behind the wheel grinding wheel dresser.
Hydraulic & hand operated tail stock.
Tail stock dresser.
Live/dead center head stock.
Variable speed head stock.
Balancer grinding wheel spindle.
Stand alone electrical panel.