Used Okamoto PSG-157 Surface Grinder for Sale | Japan






Product Description
Used Okamoto PSG-157 features a 1500 × 700mm magnetic chuck, hydraulic table feed, and a robust column-type design. A practical choice for precision grinding of mold bases, steel plates, and large industrial components.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Okamoto Machine Tool Works, Ltd. |
| Brand | Okamoto |
| Model | PSG-157 |
| Machine Condition | Used / Pre-Owned |
| Country of Manufacture | Japan |
| Machine Category | Precision Surface Grinding Machine |
| Grinding Method | Horizontal-Spindle, Reciprocating-Table Surface Grinding |
| Operating Type | Automatic / Hydraulic Feed |
| Nominal Grinding Length | 1500 mm |
| Nominal Grinding Width | 700 mm |
| Magnetic Chuck Size | 1500 × 700 mm |
| Maximum Wheel-to-Table Clearance | 695 mm (Seller-Reported; Reference Datum to Be Confirmed) |
| Grinding Wheel Dimensions | Ø510 × 50 × Ø127 mm |
| Longitudinal Table Feed | Hydraulic |
| Cross Feed | Hydraulic (Seller-Reported) |
| Vertical Feed | Servo-Driven Worm Gear Mechanism (Seller-Reported) |
| Digital Readout | Fitted; Axis Configuration to Be Confirmed |
| Frequency Inverter | Seller-Reported |
| Grinding Accuracy | 0.003 mm (Claimed; Not Verified by Test Grinding) |
| Guideway Design | To Be Confirmed |
| CNC Control | Not Confirmed |
| Machine Dimensions | Approx. 5490 × 3075 × 2400 mm (L × W × H; Seller-Reported) |
Important: The information above combines seller-supplied machine details with publicly documented PSG-157 references. Technical specifications, machine condition, accessories, and actual grinding performance are subject to inspection and confirmation before purchase.
Applications & Industries
Used Okamoto PSG-157 is intended for precision surface grinding of large flat metal components in industrial workshops and manufacturing environments.
| Industry | Typical Applications |
|---|---|
| Mold & Die Manufacturing | Mold bases, die plates, tooling plates |
| Precision Engineering | Flat steel components, fixture plates, precision machine parts |
| Machine Tool Manufacturing | Guide components, machine elements, mounting surfaces |
| Industrial Maintenance | Resurfacing suitable worn metal components |
| Heavy Equipment Manufacturing | Large ferrous plates and machined structural components |
| General Metalworking | Flat grinding and finishing of steel and cast-iron workpieces |
The machine is particularly relevant to manufacturers working with magnetically clamped ferrous parts. Non-magnetic materials may require alternative workholding arrangements and appropriate grinding procedures.
FAQ
What size workpieces can the Okamoto PSG-157 handle?
The machine is equipped with a 1500 × 700mm magnetic chuck. Its nominal grinding capacity is approximately 1500 × 700mm, although actual workpiece suitability depends on thickness, weight, clamping, wheel clearance, and the available grinding travel.
Can the Okamoto PSG-157 achieve 0.003mm grinding accuracy?
A grinding accuracy of 0.003mm has been stated in the seller's specifications. However, this has not been independently verified. Actual flatness and grinding performance should be established through inspection and test grinding under agreed conditions.
Similar Products of This Type
$35000.00
Used machine prices fluctuate with the market — this price is for reference only and is not a real-time quote.
Machine Status
- In stock
- Company-owned inventory
- Delivery time: 9 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


























