Used SHIGIYA GPS-30 CNC Cylindrical Grinder

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Product Highlight

Used SHIGIYA GPS-30 is a Japanese CNC cylindrical grinder built for precision external grinding of shafts and round components. Featuring FANUC 0i Mate-TC control, 300 × 600 mm capacity and Tokyo Seimitsu / ACCRETECH in-process OD gauging, this machine offers a practical combination of precision, automation and lower investment cost for manufacturers seeking reliable pre-owned Japanese grinding equipment.

Product Description

Used SHIGIYA GPS-30 CNC cylindrical grinder from Japan is equipped with a FANUC Series 0i Mate-TC control and Tokyo Seimitsu / ACCRETECH PULCOM V4 in-process OD gauging system. With only 4,352 cutting hours reported and seller-reported grinding accuracy within 0.5 μm, it is a cost-effective choice for precision shaft, spindle and cylindrical component grinding.

The GPS-30 series is designed as a general-purpose CNC cylindrical grinder, using controlled wheelhead and table movement for precision cylindrical grinding applications. SHIGIYA continues to list the GPS-30 family within its CNC cylindrical grinder range.

Technical Specifications

Specification	Details
Brand	SHIGIYA
Model	GPS-30
Machine Type	CNC Cylindrical Grinder / CNC OD Grinder
Country of Origin	Japan
CNC Control	FANUC Series 0i Mate-TC
In-Process Gauging	Tokyo Seimitsu / ACCRETECH PULCOM V4
Reported Cutting Time	4,352 hours
Max. Swing / Workpiece Diameter	300 mm
Max. Distance Between Centers	600 mm
Max. Workpiece Weight	Approx. 330 lb / 150 kg
Grinding Wheel Size	Approx. Ø405 × 75 × Ø127 mm
Maximum Wheel Speed	2,000 RPM
Grinding Wheel Speed	Approx. 1,545 RPM
Minimum Wheelhead Increment	0.0001 mm
Workhead Speed	15–600 RPM
Workhead Swivel	0° / Non-swivel
Table Swivel	Up to 9°
Main Spindle Motor	5 HP / 3.7 kW
Manual Wheelhead Feed Distance	Approx. 245 mm, including rapid traverse
Wheelhead Rapid Traverse Distance	Approx. 31–40 mm
Wheelhead Rapid Traverse Speed	0–10,000 mm/min
Minimum Programmed Wheelhead Travel	0.0001 in
Maximum Automatic Infeed Movement	9.999 mm
Plunge Auto Infeed Speed	0.01–9.99 mm/min
Traverse Cut Infeed Increment	0.001–0.099 mm
Spark-Out Adjustment	0–99 passes
Infeed Motor	0.9 kW / 1.2 HP AC Servo
Workhead Center Taper	#4 MT
Workhead Motor	1.5 kW / 2 HP AC Servo
Longitudinal Table Travel	Approx. 710 mm
Longitudinal Table Feed Rate	0–7,000 mm/min
Table Jog Feed Rate	0–1,260 mm/min
Minimum Table Travel Increment	0.0001 mm/pulse
Longitudinal Table Motor	0.9 kW / 1.2 HP AC Servo
Tailstock Spindle Stroke	Approx. 1.18 in
Tailstock Center Taper	#4 MT
Coolant Tank Capacity	Approx. 32 gal
Reported Grinding Accuracy	Within 0.5 μm, subject to final inspection

Published GPS-30 specifications for a 300 × 600 mm configuration closely correspond to many of these machine parameters, including 300 mm swing, 600 mm between centers, 2,000 RPM maximum wheel speed, 15–600 RPM workhead speed, #4 MT taper and 3.7 kW spindle drive.

The installed PULCOM system belongs to ACCRETECH / Tokyo Seimitsu's in-process measuring product family, designed for monitoring dimensions during machining.

Specification note: Machine-specific specifications and final grinding accuracy should be confirmed during inspection before purchase.

Applications & Suitable Workpieces

Used SHIGIYA GPS-30 CNC OD grinder is suitable for precision external cylindrical grinding where dimensional consistency, roundness and surface finish are important.

Typical applications include precision shafts, motor shafts, transmission shafts, bearing journals, hydraulic components, machine spindles, tooling components, hardened steel parts and other cylindrical components.

It can be considered for automotive component manufacturing, bearing production, hydraulic equipment, electric motor manufacturing, precision machinery, tool and die production, general engineering workshops and contract grinding shops.

The combination of FANUC CNC control and in-process external diameter gauging is particularly useful for repetitive precision grinding where operators need better control of finished diameter and process consistency.

FAQ

Is this used SHIGIYA GPS-30 suitable for precision shaft grinding?

Yes. The GPS-30 is designed for precision cylindrical grinding and is well suited to shafts, bearing journals, spindles and other round components. This machine has a seller-reported grinding accuracy within 0.5 μm, subject to actual inspection and operating conditions.

What size workpieces can the SHIGIYA GPS-30 handle?

This machine has approximately 300 mm maximum swing and 600 mm between centers, making it suitable for a wide range of small and medium-sized cylindrical components.

Does the machine have an automatic diameter measuring system?

Yes. It is equipped with a Tokyo Seimitsu / ACCRETECH PULCOM V4 in-process gauging system, which can assist with external diameter measurement during precision grinding operations.