Used OKAMOTO SPII63D Automatic Surface Grinder

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Product Highlight

Used OKAMOTO SPII63D is a Japanese automatic precision surface grinder featuring a 605 × 300 mm worktable, a 600 × 300 mm magnetic chuck, and automatic grinding feed functions. Designed for mold making, toolroom operations, and precision metalworking, it provides a practical alternative to investing in a new surface grinding machine.

Product Description

Used OKAMOTO SPII63D automatic surface grinding machine features a 605 × 300 mm worktable, a 600 × 300 mm magnetic chuck, and automatic grinding feed controls. Designed for mold making, toolroom operations, and precision metalworking, it offers a cost-effective solution for workshops looking to expand their grinding capabilities.

Technical Specifications

General Information

Parameter	Specification
Brand	OKAMOTO
Model	SPII63D
Series	GRIND-X
Machine Type	Automatic Precision Surface Grinder
Condition	Used / Second Hand
Country of Origin	Japan

Worktable & Travel

Parameter	Specification
Worktable Size	605 × 300 mm
Standard Magnetic Chuck Size	600 × 300 × 80 mm
Maximum Table Load (Including Chuck)	420 kg
T-Slots	3 slots, 17 mm wide*
Maximum Longitudinal Travel (X-Axis)	750 mm
Maximum Cross Travel (Y-Axis)	340 mm

Longitudinal & Cross Feed

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

Vertical Feed & Grinding Control

Parameter	Specification
Automatic Vertical Infeed (Plunge & Traverse Grinding)	0.0001–0.03 mm*
Automatic Infeed Settings	15 steps*
Manual Vertical Feed per Handwheel Revolution	0.01 / 0.1 / 1.0 mm
Manual Vertical Feed per Dial Graduation	0.0001 / 0.001 / 0.01 mm
Spark-Out Passes	0–5
Vertical Rapid Traverse Speed	600 mm/min

Grinding Wheel & Motor

Parameter	Specification
Grinding Wheel Diameter (50/60 Hz)	355 / 305 mm
Grinding Wheel Width	38 mm
Grinding Wheel Bore Diameter	127 mm
Grinding Wheel Speed (50/60 Hz)	1,500 / 1,800 rpm
Grinding Wheel Spindle Motor	3.7 kW / 4 poles*
Hydraulic Pump Motor	1.5 kW / 4 poles*
Vertical Feed & Wheel Dressing Motor	0.4 kW AC Servo
Rated Power Requirement	10.0 kVA
Operator Interface	Mitsubishi GOT1000 HMI

Machine Dimensions & Weight

Parameter	Specification
Machine Length	2,737 mm
Machine Width	1,929 mm
Machine Height	1,808 mm
Approximate Machine Weight	2,800 kg*

Technical Note: Specifications are based on the supplied machine information and may vary according to the actual configuration. Items marked with * require verification. Actual grinding accuracy, electrical requirements, machine condition, and included accessories should be confirmed before purchase.

Applications & Industries

Used OKAMOTO SPII63D automatic precision surface grinder is designed for flat surface grinding and finishing of suitable metal components. With automatic feed functions and manual adjustment controls, it is suitable for a variety of precision machining and industrial workshop applications.

Typical Applications

Mold and Die Manufacturing: Grinding mold plates, die components, and precision tooling surfaces.
Precision Metalworking: Finishing flat surfaces on steel parts, machine components, and engineered metal workpieces.
Tool and Fixture Manufacturing: Surface grinding of jigs, fixtures, tooling plates, and other workshop components.
Machinery Parts Manufacturing: Grinding machine elements requiring controlled surface finishing.
Industrial Maintenance Workshops: Regrinding suitable metal components during equipment repair and refurbishment.
General Toolroom Operations: Supporting small-batch production, toolmaking, and precision surface grinding tasks.

Suitable Industries

Mold and die manufacturing, metalworking, automotive parts production, precision engineering, machinery manufacturing, and industrial equipment maintenance.

The OKAMOTO SPII63D is an economical option for manufacturers seeking Japanese surface grinding equipment while reducing the initial investment associated with purchasing a new machine.

FAQ

Is the used OKAMOTO SPII63D an automatic surface grinding machine?

Yes. The OKAMOTO SPII63D is designed with automatic grinding feed functions for longitudinal, cross, and vertical movements. It also includes manual adjustment controls for machine setup and grinding operations. The operating condition of each function should be confirmed before purchase.

What is the worktable size and grinding capacity of the OKAMOTO SPII63D?

The machine has a 605 × 300 mm worktable and a standard 600 × 300 mm magnetic chuck. Its specified longitudinal travel is 750 mm, with 340 mm of cross travel. The maximum table load is 420 kg, including the magnetic chuck. Maximum permissible workpiece dimensions should be confirmed against the available grinding wheel clearance.

Can the OKAMOTO SPII63D grind hardened steel and mold components?

Yes. This surface grinder is designed for precision grinding applications involving suitable steel components, including hardened tool steel, mold plates, and precision machinery parts. The appropriate grinding wheel, coolant, workholding method, and machining parameters are important for achieving the required finish.