Used Sumitomo Double Column Gantry Grinding Machine from Japan, FANUC 31 CNC System





Product Description
This used Sumitomo double column gantry grinding machine was made in Japan in 2013 and is equipped with a FANUC 31 CNC system. With a large 2500×8000mm worktable, 3.05m column clearance, and 2.3m maximum grinding height, it is suitable for heavy-duty grinding of large precision workpieces. A cost-effective choice for factories looking for Japanese quality without the cost of a new machine.
Technical Parameters
| Item | Specification |
|---|---|
| Machine Type | Used Double Column / Gantry Grinding Machine |
| Brand | Sumitomo |
| Country of Origin | Japan |
| Year | 2013 |
| CNC System | FANUC 31 System |
| Worktable Size | 2500 × 8000 mm |
| Door / Column Width | Approx. 3.1 m |
| Distance Between Columns | 3050 mm |
| Maximum Grinding Height | 2300 mm |
| T-Slot Size on Table | 24 mm × 250 mm × 10 slots |
| Table Travel / Longitudinal Axis Stroke | Approx. 9.5 m |
| Distance from Table Surface to Grinding Head Lower Surface | 2300 mm |
| Distance from Table Center to Operator Side | 1572.5 mm |
| Distance from Table Center to Opposite Side | 3367.5 mm |
| Grinding Head Vertical Travel | 250 mm |
| Table Feed Speed – High Range | 1.5–40 m/min |
| Table Feed Speed – Low Range | 0.5–2 m/min |
| Cross Rail Lifting Speed | 640 mm/min |
| Grinding Wheel Size | Ø760 × 100 × Ø305 mm |
| Grinding Wheel Speed | 600–1100 min⁻¹ |
| Worktable Max Load Capacity | 200,000 kg |
| Recommended Load Distribution | 2500 kg/m |
| Machine Footprint | Approx. 10550 × 25750 mm |
| Machine Height | Approx. 8165 mm |
| Machine Weight | Approx. 165,000 kg |
Applications & Suitable Workpieces
This pre-owned Japanese Sumitomo gantry grinder is designed for large-size, heavy-duty, and high-precision surface grinding applications. It is suitable for machining oversized components that require stable structure, long table travel, and consistent grinding accuracy.
Typical applications include:
Large mold and die bases used in automotive, plastic injection, stamping, and heavy tooling industries.
Machine tool beds and guideway components where flatness, surface finish, and dimensional stability are important.
Steel plates, base frames, and structural parts requiring precision grinding after welding, casting, or rough machining.
Heavy industrial parts for energy equipment, shipbuilding, construction machinery, press machines, and large mechanical assemblies.
Precision component repair and remanufacturing, especially for factories looking to reduce investment cost by purchasing a reliable used Japanese grinding machine.
FAQ
Is this Sumitomo gantry grinding machine new or used?
This is a used Sumitomo double column gantry grinding machine made in Japan in 2013. It is not a new machine, but it offers a strong option for buyers who want Japanese machine quality at a lower investment cost.
What CNC system does this used gantry grinder use?
The machine is equipped with a FANUC 31 CNC system, which is widely used in precision machine tools and is familiar to many operators and maintenance teams.
What size workpieces can this Sumitomo grinder handle?
The machine has a 2500×8000mm worktable, 3050mm column clearance, and 2300mm maximum grinding height, making it suitable for large molds, machine beds, heavy plates, and oversized industrial parts.
Why choose a used Japanese Sumitomo grinding machine?
A used Japanese gantry grinder can help buyers reduce equipment investment while still getting a rigid structure, large machining capacity, and proven industrial performance.
Can this machine be used for heavy-duty grinding?
Yes. With a maximum table load of about 200,000 kg and a machine weight of approximately 165,000 kg, this used Sumitomo gantry grinder is suitable for heavy-duty grinding of large and high-weight workpieces.
$27941.00
Brand
Sumitomo
Model
FANUC 31
Origin
JP
Processing Time
6532h
Machine Status
- In stock
- Company-owned inventory
- Delivery time: 7 days
Available inspection support
- Machine appearance check
- Control system power-on check
- Spindle and axis movement check
- Grinding area photo check
- Electrical cabinet photo check
- Machine nameplate verification
- Remote video inspection
- Optional third-party inspection
Supplier's customization ability
- Minor customization
- Drawing-based customization
- Sample-based customization
- Full customization




