Used OKAMOTO PSG-64DX Automatic Surface Grinder for Sale

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Product Highlight

Used OKAMOTO PSG-64DX is a Japanese precision surface grinder equipped with a 650 × 400 mm worktable, magnetic chuck, hydraulic feed system, and automatic vertical downfeed control. Suitable for mold making, toolrooms, and precision metalworking, this second-hand machine is a cost-effective option for manufacturers seeking reliable grinding capabilities at a lower initial investment.

Product Description

Used OKAMOTO PSG-64DX is a Japanese automatic precision surface grinding machine featuring a 650 × 400 mm worktable, 600 × 400 mm magnetic chuck, hydraulic table feed, and servo-controlled vertical downfeed. Designed for precision metal finishing, mold making, and toolroom applications, this second-hand surface grinder offers a cost-effective way to expand grinding capacity without the expense of purchasing a new machine.

Technical Specifications

General Information

Parameter	Specification
Brand	OKAMOTO
Model	PSG-64DX
Machine Type	Automatic Precision Surface Grinding Machine
Series	PSG Super Precision
Condition	Used / Pre-Owned
Brand Origin	Japan
Operation Type	Automatic and Manual Grinding Functions

Worktable and Grinding Capacity

Parameter	Specification
Worktable Size	650 × 400 mm
Standard Magnetic Chuck	600 × 400 × 85 mm
Maximum Table Load	420 kg (Including Magnetic Chuck)
T-Slots	17 mm × 3
Maximum Longitudinal Travel	750 mm
Maximum Cross Travel	440 mm
Wheel-to-Table Clearance (Ø355 mm Wheel)	22.5–322.5 mm
Wheel-to-Table Clearance (Ø305 mm Wheel)	47.5–347.5 mm

Longitudinal and Cross Feed

Parameter	Specification
Longitudinal Table Feed Speed	0.3–25 m/min
Manual Longitudinal Feed	47 mm per Handwheel Revolution
Manual Cross Feed	5.0 mm per Handwheel Revolution
Cross Feed Handwheel Graduation	0.02 mm
Automatic Intermittent Cross Feed	0.5–20 mm
Automatic Continuous Cross Feed	0.1–1.0 m/min

Vertical Feed and Grinding Control

Parameter	Specification
Automatic Vertical Downfeed	0.0001–0.03 mm
Automatic Downfeed Settings	15 Steps
Manual Micro Downfeed	0.0001 / 0.001 / 0.01 mm
Manual Vertical Feed per Revolution	0.01 / 0.1 / 1.0 mm
Spark-Out Cycles	0–5
Rapid Vertical Feed Speed	600 mm/min
Vertical Feed Control	AC Servo Motor

Grinding Wheel and Motors

Parameter	Specification
Grinding Wheel Diameter (50 Hz)	355 mm
Grinding Wheel Diameter (60 Hz)	305 mm
Grinding Wheel Width	38 mm
Grinding Wheel Bore	127 mm
Grinding Wheel Speed (50 Hz)	1,500 rpm
Grinding Wheel Speed (60 Hz)	1,800 rpm
Grinding Spindle Motor	3.7 kW, 4-Pole
Hydraulic Pump Motor	1.5 kW, 4-Pole
Vertical Feed Motor	0.4 kW AC Servo
Rated Power Requirement	11.0 kVA (As Specified)

Machine Dimensions

Parameter	Specification
Overall Length	2,737 mm
Overall Width	2,203 mm
Overall Height	1,808 mm
Approximate Machine Weight	3,000 kg

Technical Note: Specifications are based on the supplied equipment data and published PSG-64DX references. Values may vary by machine configuration. Worktable size, chuck thickness, electrical requirements, wheel clearance, accessories, and overall dimensions should be verified for the actual unit before purchase. The minimum downfeed setting is not a guarantee of achievable grinding accuracy.

Applications & Industries

Used OKAMOTO PSG-64DX automatic surface grinder is designed for precision flat surface grinding and finishing of metal components. Its hydraulic feed system, automatic grinding functions, and fine vertical downfeed control make it suitable for various manufacturing and maintenance applications.

Typical Applications

Mold and Die Manufacturing: Precision grinding of mold plates, die components, inserts, and tooling surfaces.
Tool and Die Workshops: Surface finishing of hardened steel, tool steel, fixtures, jigs, and machine tooling components.
Precision Metalworking: Grinding flat metal surfaces where controlled material removal and consistent surface quality are required.
Machinery Manufacturing: Finishing machine components, guide surfaces, mounting plates, and industrial parts.
Equipment Maintenance and Repair: Regrinding and restoring worn metal surfaces when workpiece condition and grinding requirements permit.

The PSG-64DX is particularly suitable for workshops looking for a used Japanese surface grinding machine with automatic feed functions and fine downfeed adjustment for repetitive grinding operations.

FAQ

What size workpieces can the OKAMOTO PSG-64DX accommodate?

The machine is specified with a 650 × 400 mm worktable and a 600 × 400 mm magnetic chuck. Its maximum table load is 420 kg, including the chuck. Actual workpiece capacity depends on the workpiece dimensions, weight, wheel clearance, and grinding setup.

Can this OKAMOTO surface grinder handle hardened steel and mold components?

Yes. The PSG-64DX is suitable for precision surface grinding of hardened steel, tool steel, mold plates, and other compatible metal components. The grinding wheel, coolant, and operating parameters must be selected according to the material and required surface finish.

Is the used OKAMOTO PSG-64DX an automatic surface grinding machine?

Yes. The OKAMOTO PSG-64DX features automatic grinding functions, including hydraulic table movement, automatic cross feed, and servo-controlled vertical downfeed. It also provides manual feed adjustments for grinding operations requiring operator control. It should not be confused with a fully programmable CNC surface grinder.