Used Okamoto PSG52DX Automatic Precision Surface Grinder Japan

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Product Highlight

Used Okamoto PSG52DX is a Japanese-made automatic precision surface grinder with a 550 × 200 mm worktable and 650 × 230 mm table travel. Designed for flat-surface grinding and controlled finishing operations, it is suitable for toolrooms, mold-making workshops, and general precision metalworking applications.

Product Description

Used Okamoto PSG52DX automatic surface grinder features a 550 × 200 mm worktable, automatic vertical infeed, and fine feed control. Designed for precision flat-surface grinding, it is a practical choice for mold making, toolrooms, and metalworking workshops seeking an economical alternative to new machinery.

Technical Specifications

General Machine Specifications

Parameter	Specification
Brand	Okamoto
Model	PSG52DX
Machine Type	Automatic Precision Surface Grinder
Condition	Used / Second-Hand
Country of Origin	Japan
Table Working Surface	550 × 200 mm
Standard Magnetic Chuck Size	500 × 200 × 80 mm*
Maximum Permissible Table Load (Including Chuck)	200 kg
T-Slot Width × Quantity	17 mm × 1
Longitudinal Table Travel	650 mm
Cross Travel	230 mm
Overall Dimensions (L × W × H)	Approx. 2417 × 1579 × 1808 mm
Machine Weight	Approx. 2100 kg

Table Movement & Feed System

Parameter	Specification
Longitudinal Table Speed	0.3–25 m/min
Intermittent Cross Feed	0.2–12 mm
Continuous Cross Feed Speed	0.1–1.0 m/min
Cross Feed per Handwheel Revolution	47 mm
Cross Fine Feed per Handwheel Revolution	5.0 mm
Cross Fine Feed Scale Graduation	0.02 mm
Automatic Vertical Infeed	0.0001–0.03 mm (15 steps)*
Manual Vertical Infeed per Handwheel Revolution	0.01 / 0.1 / 1.0 mm*
Vertical Fine Feed Scale Graduation	0.0001 / 0.001 / 0.01 mm*
Spark-Out Cycles	0–5
Vertical Rapid Traverse	600 mm/min

Grinding Wheel Specifications

Parameter	Specification
Grinding Wheel Outside Diameter	205 mm
Grinding Wheel Width	19 mm
Grinding Wheel Bore Diameter	50.8 mm
Grinding Wheel Speed at 50 Hz	3000 rpm
Grinding Wheel Speed at 60 Hz	3600 rpm
Grinding Spindle Motor	1.5 kW / 2 poles

Motor & Electrical Specifications

Parameter	Specification
Hydraulic Pump Motor	0.75 kW / 4 poles
Vertical Feed Motor	0.4 kW AC Servo*
Electrical Supply	3-Phase AC 200/220 V
Frequency	50/60 Hz
Rated Electrical Capacity	5.0 kVA*

Technical Note: Specifications are based on the supplied machine information and published PSG52DX reference data. Items marked with an asterisk require confirmation for this particular used unit. Actual machine configuration, operating condition, included accessories, and grinding accuracy should be verified before purchase.

Applications & Industries

Used Okamoto PSG52DX is designed for precision flat-surface grinding and controlled material removal. Its automatic feed functions and fine infeed adjustment make it suitable for a variety of metalworking and tooling applications.

Mold and Die Manufacturing

Suitable for grinding mold plates, die components, and flat tooling surfaces that require controlled finishing operations.

Precision Metalworking

Used for surface grinding of tool steel, carbon steel, hardened steel, and other compatible materials with appropriate grinding wheels and workholding methods.

Tool and Die Shops

A practical option for finishing tool plates, fixtures, punches, dies, and other precision components with flat grinding surfaces.

Machinery Maintenance and Repair

Suitable for resurfacing and reconditioning compatible machine components, including guide plates, tooling surfaces, and replacement parts.

Small-Batch Manufacturing

Ideal for workshops handling varied grinding tasks where automatic feed functions can reduce repetitive manual adjustments.

Industrial Parts Manufacturing

Applicable to surface finishing of suitable flat components used in mechanical equipment, industrial tooling, and manufacturing assemblies.

Actual suitability depends on the workpiece dimensions, material, required tolerances, grinding wheel, workholding method, and machine condition.

FAQ

What is the grinding capacity of the Okamoto PSG52DX?

The machine has a 550 × 200 mm worktable, with longitudinal and cross travels of 650 mm and 230 mm. The stated maximum table load is 200 kg, including the magnetic chuck.

Does the PSG52DX support automatic grinding?

Yes. The PSG52DX is an automatic surface grinder with automatic feed functions, including vertical infeed control. Available functions and their operating condition should be confirmed for this particular machine.

Is this grinder suitable for mold and die manufacturing?

Yes. The PSG52DX is designed for flat-surface grinding tasks commonly found in mold-making and toolroom environments. Suitability depends on the workpiece material, dimensions, required accuracy, and machine setup.