Used 1984 CINCINNATI #350-20 AE | GRINDERS, CENTERLESS

350-20 AE CINCINNATI CENTERLESS GRINDER
S/N 3566A0184-0037        Year:  1984
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.. 20"
Wheel mounting hole diameter. 12"
Grinding Wheel Speed
Surface speed. 8,500 ft/min.
(Maximum diameter wheel).. @ 1352 RPM
Grinding Wheel Drive Motor
326T Framed – 1800 RPM.... 50 HP
Drive belts.. 3V850
Grinding Wheel Dresser
Traverse drive motor (variable speed) 56C Frame
Worm gear reducer ratio. 10:1
Traverse rate (across wheel – IPM). 1 to 30
Traverse rate (across wheel – mm/min.). 25, 4 to 762
Maximum traverse distance. 22.25" (across wheel)
Maximum profile depth... 0.50"
Diamond holder – single point type. 0.437"
Diamond compensator 
-  electric solenoid. 0.0005"
-  optional stepping motor. 0.00001"
-  maximum compensation.... 0.002" (with stepping motor)
Regulating Wheel
Maximum new wheel diameter.. 15"
Minimum worn wheel diameter.. 11"
Mounting hole diameter.. 6"
Maximum width.. 20"
Maximum RPM (during dressing).. 300 RPM
Minimum RPM.. 15 RPM
Surface speed (ft/min.)... 60 to 500
Surface speed (m/Min.). 18, 3 to 152
Programmed surface speed is maintained constant as regulating wheel is dressed to smaller diameter.
Drive motor (variable speed) 3.2 HP
Drive ratio 8.333:1
Regulating wheel housing swivel. +6° to – 1 1/2° (work feed angle)
Regulating Wheel Dresser
Traverse drive motor (variable speed).. 56C Frame
Worm gear reducer ratio10:1
Traverse rate (across wheel – IPM)... 1 to 30
Traverse rate (across wheel – mm/min.) 25, 4 to 726
Maximum traverse distance... 21"
Maximum profile depth. 0.50"
Diamond holder – single point.. 0.437" (Shank diameter)
Diamond compensator
- manual advance dial. 0.0005" (division)
- optional stepping motor 0.00001" (resolution)
- maximum compensation (with stepping motor)... 0.002"
- dresser swivel – degrees.. +6° to –1 1/2°
Two-Way Compensator
Stepping motor. 200 steps/revolution
Harmonic drive ratio 160:1
Recirculating ball screw... 8 mm pitch
Compensator resolution... 0.00001"
Positioning rate (max).. 2.5" /min.
Swivel Plate
Swivel to front (measured to adjustor).. 0.50"
Swivel to rear (measured to adjustor)... 0.50"
Swivel indicator (division dial indicator). 0.0001"
Lower Slide
Maximum travel.... 10"
Slide clamps (2). Manual
Upper Slide
Maximum travel. 6.50"
Slide clamps (2).. Manual
Hydraulic System
Reservoir capacity.. 29.5 gallon
Oil specification. CM P-38
      Viscosity (S.U.S. @100° F). 149 to 182
      ISO Viscosity grade. ISO VG 32
      Military spec. equivalent. MIL-H-4600IA Type 1
Pump capacity (without infeed). 4.6 gallon per minute
Pump motor.. 1.5 HP  1800 RPM
          Frame145T Nema "C" Face Mount
Pump capacity (with infeed) 8.8 gallon per minute
Pump motor. 3 HP  1800 RPM
          Frame...  182T Nema "C" Face Mount
Pressure filter.. Throw-Away Type Element
           Bypass pressure 25 psi
Replacement element  - CM No.. 3634910
                                     - Schroeder No CC3
Dual element filter (optional)
Main system pressure. 300 psi
Lubrication System
Reservoir capacity. 7.3 gallon
Oil specification... CM P-47
      Viscosity (S.U.S. @100° F)... 317 to 389
      ISO Viscosity grade... ISO VG 68
      Military spec. equivalent... MIL-L-46017 Type 1 Medium
System pressure... 300 psi
Lubrication cycle frequency. 5 times per hour
System Type:  Positive displacement, progressive series with cycle
complete pressure switch.
Distributor Points:  Grinding wheel dresser
                                Regulating wheel dresser
                                Swivel plate
                                Lower slide
                                Upper slide
                                Regulating wheel spindle bearings
                                Regulating wheel drive box
Lubrication oil is also supplied at a constant pressure to the regulating wheel spindle bearings and drive unit.
Lubrication cycle frequency and points lubricated may vary due to optional /special equipment supplied.
Cutting Fluid System
Tank capacity. 150 gallon
Pump capacity 90 gallon per minute
Pump motor 1/2 HP
Optional system.. Hydrant and Sewer
Machine Weight
25,980 lbs.
EQUIPMENT & FEATURES
Grinding wheel stepper dresser.
Grinding wheel balancer.
Coarse – Fine compensation stepper.
Diameter –Compensation grinding wheel dress.
8500 S.F.P.M.
Separate electric.
Specifications are deemed accurate, however, subject to verification or prior sale.