Used Okamoto PSG-125DX Surface Grinder | Japan

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Product Highlight

Used Okamoto PSG-125DX is a Japanese-brand column-type precision surface grinder designed for medium to large flat metal components. Featuring a 1250 × 500 mm worktable, a standard Ø510 mm grinding wheel specification, and a heavy-duty structure weighing approximately 7500 kg, this model is suitable for mold manufacturing, precision machining, and general industrial surface grinding applications.

Product Description

Used Okamoto PSG-125DX features a 1250 × 500 mm worktable, a rigid column-type design, and a heavy-duty machine structure. Designed for precision flat surface grinding, it is a practical option for mold and die manufacturers, precision machine shops, and industrial equipment producers seeking an alternative to buying new machinery.

Technical Specifications

Machine Information

Specification	Details
Brand	Okamoto
Model	PSG-125DX
Machine Type	Column-Type Precision Surface Grinder
Machine Condition	Used / Second-Hand
Brand Origin	Japan
Manufacturer	Okamoto Machine Tool Works, Ltd.
Grinding Spindle Orientation	Horizontal
Machine Construction	Heavy-Duty Column Type

Worktable & Grinding Capacity

Specification	Details
Worktable Size (L × W)	1250 × 500 mm
Standard Grinding Capacity (L × W × H)	1200 × 500 × 595 mm
Longitudinal Table Travel	1450 mm
Column Cross Travel	560 mm
Wheelhead Vertical Travel	620 mm
Standard Magnetic Chuck Size	1200 × 500 × 100 mm
Standard Maximum Table Load	1200 kg, including chuck weight

Grinding Wheel & Motor

Specification	Details
Standard Grinding Wheel Size	Ø510 × 50 × Ø127 mm
Grinding Wheel Diameter	510 mm
Grinding Wheel Width	50 mm
Grinding Wheel Bore Diameter	127 mm
Standard Grinding Spindle Motor	7.5 kW / 6 Pole
Optional Spindle Motor Power	11 kW / 6 Pole; 15 kW / 6 Pole
Standard Wheel Speed at 50 Hz	1000 rpm
Standard Wheel Speed at 60 Hz	1200 rpm

Machine Weight

Specification	Details
Approximate Machine Weight	7500 kg
Machine Application	Precision Surface Grinding
Suitable Workpieces	Flat Metal Plates, Mold Bases, Machine Components

Technical Note: The specifications above combine information supplied for this used machine with published standard specifications for the Okamoto PSG-125DX model. Standard chuck dimensions, spindle power, travel ranges, wheel speeds, and optional configurations may differ from those installed on the actual unit. Please confirm the final equipment configuration and operating condition before purchase.

Applications & Suitable Industries

Used Okamoto PSG-125DX is designed for precision grinding of flat metal surfaces, particularly on medium to large industrial components. Its column-type configuration allows the worktable and grinding wheelhead to move independently along their respective axes, making it suitable for a range of industrial grinding operations.

Mold and Die Manufacturing

Suitable for grinding mold bases, die plates, tooling plates, and other flat components used in mold and die production.

Precision Metalworking

Used for surface finishing of machined steel components, fixture plates, and precision mechanical parts where flatness and surface finish are important.

Industrial Machinery Manufacturing

Applicable to the grinding of machine components, mounting plates, guide surfaces, and other flat metal parts used in industrial equipment.

Tooling and Fixture Production

Useful for machining flat surfaces on jigs, fixtures, and tooling components used in manufacturing and assembly processes.

Machinery Maintenance and Component Reconditioning

Can be used for resurfacing suitable industrial components, subject to workpiece dimensions, material characteristics, and the machine's actual operating condition.

Suitable Industries

Mold and Die Manufacturing
Precision Engineering Workshops
Industrial Machinery Manufacturing
Automotive Component Production
Tooling and Fixture Manufacturing
General Metalworking and Machining

The achievable grinding accuracy, surface finish, and material removal performance depend on machine condition, grinding wheel selection, workpiece setup, and operating parameters.

FAQ

What is the grinding capacity of the Okamoto PSG-125DX?

The PSG-125DX has a 1250 × 500 mm worktable and a published standard grinding capacity of 1200 × 500 × 595 mm. The standard longitudinal table travel is 1450 mm, with 560 mm column cross travel and 620 mm wheelhead vertical travel. Actual usable capacity depends on workholding arrangements and the machine's configuration.

Is the Okamoto PSG-125DX suitable for large mold bases and steel plates?

Yes. The PSG-125DX is designed for surface grinding applications involving medium to large flat workpieces, including mold bases, die plates, and steel components. Workpiece suitability depends on its dimensions, weight, material, and required grinding accuracy.

What grinding wheel and spindle motor specifications does the PSG-125DX have?

The standard model specifies a grinding wheel measuring 510 mm in outside diameter, 50 mm in width, and 127 mm in bore diameter. The standard spindle motor is rated at 7.5 kW, while 11 kW and 15 kW options are listed for this model. Actual installed equipment should be verified before ordering.