230-12 RK CINCINNATI TWIN GRIP GRINDER

230-12 RK CINCINNATI TWIN GRIP GRINDER
S/N 9165A0191-0003 Year: 1991

STANDARD SPECIFICATIONS

Work Capacity
Maximum work piece diameter………………….…………6.0”
Minimum work piece diameter………………….……….…0.50”

Grinding Wheel
Maximum new wheel diameter………….……….…………24”
Minimum worn wheel diameter…………..……….………..17”
Maximum wheel width…………………………………….. 12”
Wheel mounting hole diameter……………………………..12”

Grinding Wheel Speed
Surface speed……………………………………………….. 8500 ft./min.@ 1352 RPM
(Maximum diameter wheel)
Optional surface speed……………………………………… 8500ft./min. @ 1034 RPM
(Maximum diameter wheel)

Grinding Wheel Drive Motor
286T Frame – 1800 RPM………………………………….. 30 HP
Drive belts…………………………………………………. 3V850

Grinding Wheel Dresser
Traverse drive motor (Servo)……………………………….1.2 N-m
Worm gear reducer ratio…………………………………….10:1
Traverse rate (across wheel)………………………………... 1 to 50 IPM
Traverse rate (across wheel)………………………...………25,4 to 1270 mm/min
Maximum traverse distance (across wheel)………………… 17,28”
Maximum profile depth……………………………………... 1”
Diamond holder – single point type…………………………. 0.437” Shank
Blade type diamond holder…………………………………..Optional
Hydraulic rotary cutter……………………………………….Optional
Manual diamond compensator………………………………. 0.0005”Division
Optional electric Solenoid Comp……………………………. 0.0005” Resolution
Maximum compensation w/electric Solenoid……………….. 0.0015”

Regulating Wheel
Maximum new wheel diameter……………………………… 14”
Minimum worn wheel diameter………………………………11”
Mounting hole diameter……………………………………… 6”
Maximum width (without cobore)……………………………14”
Maximum width (with cobore)……………………………….12”
Maximum RPM (during dressing)……………………………300 RPM
Minimum RPM………………………………………………. 0 RPM
Surface speed…………………………………………………. 0 to1100 ft./min.
Surface speed…………………………………………………. 0 to 5,6m/sec.
Drive motor (Servo)………………………………………….. 14N-m
Drive ratio……………………………………………………. 8.333:1
Regulating wheel housing swivel (work feed angle)………… 8� to -2�

Regulating Wheel Dresser
Traverse drive motor (Servo)……………………………….1.2 N-m
Worm gear reducer ratio…………………………………….10:1
Traverse rate (across wheel)…………………………………0 to 50 IPM
Traverse rate (across wheel)…………………………………0 to 1270 mm/min.
Maximum traverse distance…………………………………16.06”
Maximum profile depth…………………………………….. .63”
Diamond holder – single point……………………………….0.437” Shank diameter
Diamond compensator
Manual advance dial………………………………………….0.0005” Division
Electric Solenoid (optional)………………………………….. 0.0005”
Dresser swivel……………………………………………….. 8� to-2�

Single Axis Slide Drive
Recirculating ball screw……………………………………..10mm Pitch
Compensator resolution……………………………………...0.000004”
Positioning rate (maximum)…………………………………125” /min.

Infeed
Rapid advance/retract rate……………………………………125”/min.
Number of feed rates…………………………………………. 3
Maximum feed rate (rough rate)………………………………1”/min.
Minimum feed rate (rough rate)…………………………..…. .001”/min.
Maximum feed rate (medium rate)……………………………1”/ min.
Minimum feed rate (medium rate)………………………..…. .001”/min.
Maximum feed rate (fine rate)……………………………….. 1”/min.
Minimum feed rate (fine rate)……………………………….. .0001”/min.

Swivel Plate
Swivel to front (measured to adjustor)…..………………….... 0.50”
Swivel to rear (measured to adjustor)……..………………….. 0.50”
Swivel indicator……………………………..………………...0.0001” Division dial indicator

Lower Slide
Maximum travel……………………………………….……… 10”
Slide clamps (2)………………………………………………. Manual

Upper Slide
Maximum travel……………………………………….………. 6”
Slide clamps (2)………………………………………………..Manual

Hydraulic System
Reservoir capacity……………………………………….…….. 20gallons
Oil specifications……………………………………….……… CM-38
Viscosity (S.U.S. @ 100� F)……………………………………149 to 182
ISO Viscosity grade……………………………………………. ISOVG 32
Military spec. equivalent……………………………………….MIL-H-46001A Type 1
Pump capacity…………………………………………………. 4.3gallons per min.
Pump motor……………………………………………………. 1.5 HP /1800 RPM
Frame………………………………………………………….. 145TC, NEMA“C” Face Mount
Pressure filter…………………………………………………..Throw-Away Type Element
Bypass pressure………………………………………………... 50PSI
Schroeder replacement element………………………………... 8TS3
Main system pressure………………………………………….. 250PSI

Lubrication System
Reservoir capacity………………………………………… .5gallons
Oil specification…………………………………………... CMP-47
Viscosity (S.S.U. @ 100� F)………………………………317 to 389
ISO Viscosity grade………………………………………. ISO VG68
Military specification equivalent…………………………. MIL-L-46017 Type 1 Medium
System pressure…………………………………………… 150 PSI
Lubrication cycle frequency……………………………….15 seconds every 4 hours
System type: positive displacement

Distributor Points: Grinding wheel dresser, regulating wheel dresser.

Lubrication oil is also supplied at aconstant pressure to the regulating wheel spindle bearings and drive unit by the hydraulic power unit.

Lubrication cycle frequency and points lubricated may vary due to optional/special equipment supplied.

EQUIPMENT FEATURES
Twin grip grinder.
Allen Bradley SLC 501 Controls.
30 H.P. Spindle motor.
Attached electrical panel.

Specifications are deemed accurate, however, subject to verification or prior sale.