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Serial No. 4798 New - 1999
SPECIFICATIONS:
Grinding Capacity 203 mm (7.9")
Grinding Wheel - Diameter (O.D.) - Maximum 610 mm (24")
- Minimum 488 mm (19.2")
- Width 305 mm (12")
- Hole (I.D.) 304.8mm (12")
- Speed 27 m/sec (835 RPM)
Regulating Wheel - Diameter (O.D.) - Maximum 330 mm (12.9")
- Minimum 264 mm (10.3")
- Width 305 mm (12")
- Hole (I.D.) 203.2 mm (8")
- Speed 20 - 200 RPM (Variable Speed)
Motors:
Grinding Wheel 22 kW 4P (30 HP)
Regulating Wheel 2.2 kW (3 HP)
R. Wheel Lower Side 0.5 kW (Servomotor)
G. Wheel Rotary Dresser 0.75 kW 2P
G. Wheel Dresser Infeed Slide 0.2 kW (Servomotor)
G. Wheel Dresser Traverse Slide 0.5 kW (Servomotor)
R. Wheel Dresser Infeed Slide 0.2 kW (Servomotor)
R. Wheel Dresser Traverse Slide 0.5 kW (Servomotor)
Hydraulic Power Supply Variable Discharge Vane Pump
25 liter/min, 1.5 kW 4P
Centralized Lubrication System:
Motor Pump Lube Unit for Slide Ways 70 W 2P
Coolant System:
Main Coolant Pump 0.4 kW 2P
Sub Coolant Pump 0.4 kW 2P
Rotary Dresser Coolant Pump 0.18 kW 2P
Paper Filter 60 W
Temperature Regulator (OIL MATIC) 1.5 kW 2P
Swivel Angle:
Feed Angle - Vertical Swivel -1 degree to +5 degrees
Horizontal Swivel Angle +/- 0.5 degrees
Required Utilities:
Compressed Air Supply 60 PSI (Approx. 120 L/min)
Hydraulic Fluid Approximately 60 Liters
(16 Gallons)
Coolant Approximately 1070 Liters
(282 Gallons)
Required Power Supply 460/3/60
Approximate Dimensions 6900 mm x 4500 mm
Approximate Weight 8000 kg
EQUIPPED WITH:
Fanuc 18T CNC Control
Schmitt Industries SBS Grinding Wheel Balancer
Gantry Style Loader/Unloader
Control Gaging In-Process/Post-Process Gage System
Operation Panels
Control Panel (Control Enclosure)
Hydraulic Power Supply
Coolant System
The Machine is provided with five CNC-Servomotor Controlled Slides controlled
by two CNC Head Units:
CNC System's Head #1:
Regulating Wheel Dresser Infeed Slide X1-Axis
Regulating Wheel Dresser Traverse Slide Z1-Axis
Regulating Wheel Lower Slide Y1-Axis
CNC System's Head #2:
Grinding Wheel Dresser Infeed Slide X2-Axis
Grinding Wheel Dresser Traverse Slide Z2-Axis
In addition, an AC Spindle-Motor controlled by the CNC System is adopted
to drive the Regulating Wheel Spindle.
The Machine offers the Automatic Compensation Functionality to maintain the
part O.D. within the specific tolerance and the Automatic Dressing
Functionality employing the FANUC CNC System, the Post-process and In-process
Gage System, or the Preset Counters. In the continuous automatic operation,
the CNC System will regulate a period of sparkout in the grinding cycle, while
the In-process Gaging System is activated to measure the O.D. of the part to
be ground to control the O.D. dimension. The CNC System will regulate, or
shift, the Regulating Wheel Lower Slide to compensate the grinding wheel's
wear rate according to the output signal of the Post-process Gage System or
the Preset Counter, and the preset data programmed in the CNC System.
*Preliminary Specifications Subject to Verification.
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