OKAMOTO PSG-305 HYDRAULIC RECIPROCATING SURFACE GRINDER
Categories: CNC Machines, Metalwork
Description
OKAMOTO PSG-305
HYDRAULIC RECIPROCATING SURFACE GRINDER
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GENERAL INFORMATION
• Manufacturer: Okamoto Machine Tool Works
• Model: PSG-305
• Year: 1987
• Type: 3-Axis Automatic Hydraulic Surface Grinder
TABLE & WORK CAPACITY
• Table Working Surface: 120.08″ x 19.7″
• Maximum Grinding Capacity: 120.08″ x 20″
• Maximum Longitudinal Table Travel: 124.02″
• Auto Longitudinal Feed Rate: 1 – 100 FPM
GRINDING SYSTEM
• Maximum Wheel Size: 20″ x 2″ x 5″
• Wheel Speed: 1100 RPM
• Maximum Distance Wheel to Table: 23.4″ (under 20″ wheel)
• Crossfeed Travel (Auto / Manual): 20.86″
FEED & PRECISION CONTROL
• Automatic Cross Feed Increments: 0.20″ – 1.37″
• Automatic Wheelhead Downfeed: 0.0002″ – 0.002″ per column reversal
• Hand Wheelhead Downfeed: 0.0002″ graduations
• Rapid Wheelhead Feed Rate: 12″ / min
SPINDLE & DRIVE
• Spindle Drive Motor: 10 HP
• Hydraulic Motor: 7-1/3 HP
• Wheelhead Elevation Motor: 1/2 HP
WORKHOLDING
• 19-3/4″ x 118″ Electromagnetic Chuck
• Equipped with Neutrofier Control
INCLUDED SYSTEMS & ACCESSORIES
✓ Hydraulic Wheel Dresser
✓ Coolant System with Paper Filtration & Magnetic Separator
✓ Hydraulic System Heat Exchanger
✓ Wheel Hub & Nut
ELECTRICAL REQUIREMENTS
• Voltage: 230 / 460 Volt
• Power: 3 Phase
DIMENSIONS & WEIGHT
• Machine Dimensions: 357″ L x 109″ W x 93″ H
• Approximate Weight: 28,600 lbs
ADDITIONAL COMPONENTS
• Coolant System: 64″ x 50″ x 48″
• Hydraulic System: 30″ x 46″ x 38″
• Oil Cooler: 26″ x 21″ x 50″
APPLICATIONS
• Precision surface grinding of large components
• Tool and die manufacturing
• Mold base finishing
• Heavy industrial component finishing
KEY HIGHLIGHTS
• Large-capacity 20″ x 120″ surface grinder
• 3-axis automatic hydraulic operation
• Large electromagnetic chuck with neutrofier control
• Integrated coolant filtration and magnetic separation system
• Heavy-duty 10 HP grinding spindle
• Ideal for large precision grinding applications

























