WELCOME TO OUR BLOG

We're sharing knowledge in the areas which fascinate us the most
click

FUJI Super F-Ⅱ 4" Grinding Wheel: High-Efficiency Metal Grinding & Cost-Saving Solution for Shipyards

By fujigrindingwheel August 3rd, 2025 578 views
Catalog

FUJI Super F-Ⅱ: The Ultimate Solution for Heavy-Duty Metal Grinding

Engineered for excellence and built to last, the FUJI Super F-Ⅱ grinding wheel is the ultimate solution for heavy-duty metal grinding, surface preparation, and weld slag removal. It excels in the most rigorous environments, such as shipyards, foundries, and metal fabrication plants.

The Super F-II represents FUJI's most economical and efficient grinding solution. Unlike standard wheels, it is manufactured using advanced Japanese Hot Press Technology. This process ensures a superior fusion between the high-quality Aluminum Oxide abrasives and the phenolic resin bond, creating a wheel that is both aggressive and durable.

The Technical Edge: Hot Press vs. Cold Press

Many conventional grinding wheels on the market are "Cold Pressed," meaning they are cured in an oven after being pressed at room temperature. The FUJI Super F-II uses Hot Press Technology, where heat and pressure are applied simultaneously.
FUJI Super F-II Depressed Center Grinding Wheel for Heavy-Duty Metal Grinding

Why Hot Press Matters: This method creates a significantly denser bond matrix. The result is a wheel that can withstand higher centrifugal forces (safety) and resists rapid disintegration under the high heat of grinding (longevity). This makes it particularly suited for the harsh conditions of tropical climates like the Philippines.

The Science Behind the Wheel: Why it Works

❄️ Advanced Air Pores (Cooling)

The Super F-II features a unique structure with engineered "micro-pores." These air pockets circulate air during rotation, effectively dissipating heat via convection. This prevents heat accumulation, making the wheel "friendly" to the workpiece and reducing the risk of "blue burn" or metallurgical damage to the steel.

🔄 Self-Sharpening Action

The specialized resin bond is designed to release worn abrasive grains at the perfect moment. This self-sharpening action ensures the wheel efficiently removes material without glazing (becoming smooth and useless), maintaining a high cut-rate throughout its entire lifespan.

🛡️ Triple-Layer Reinforcement

Safety is paramount. The F-II utilizes high-tensile BF (Bakelite Fiberglass) mesh reinforcement layers. These layers are woven into the wheel to prevent shattering even if the wheel is subjected to lateral stress or accidental impact, meeting strict industrial safety standards.

A recent 3-minute performance test conducted at a major Philippine shipyard compared our wheel against a leading European competitor. The results demonstrated clear and undeniable advantages in both speed and durability.

Performance Test Results: Data Speaks Louder

In industrial grinding, efficiency is measured by the G-Ratio (volume of metal removed divided by volume of wheel wear). A higher G-Ratio means you are paying less for every gram of metal removed.

Metric (3-Min Test) Competitor (Tyrolit) FUJI Super F-Ⅱ Advantage
Metal Removed (g) 18g 24g +33% Faster
Wheel Wear (mm) 2.5mm 1.8mm -28% Less Wear
Productivity Impact Standard High Output Reduced Labor Costs
Operator Feedback High Vibration Smooth / Low Fatigue Better Comfort

Built for High-Frequency Systems & Economic Efficiency

Modern heavy industries often utilize High-Frequency (HF) Angle Grinders (operating at 180Hz-400Hz) to maintain high RPM under heavy load. The Super F-II is perfectly matched for HF tools. Its dense, hot-pressed structure resists the intense centrifugal forces and vibration of high-frequency equipment, ensuring safety and stability where other wheels might fail.

The Economic Choice: Available in sizes from 4-inch to 7-inch (with 6-7mm thickness), the 7-inch (180mm) variant is particularly recommended for maximum economy. It offers a larger surface area and longer life, reducing the frequency of wheel changes and maximizing the work done per dollar.

Why Shipyards Choose FUJI Super F-Ⅱ

  • Superior Grinding Performance: As shown in the data above, the Super F-II achieves deeper cuts and a cleaner finish in less time, boosting daily productivity per worker.
  • Exceptional Cost Savings: The high G-Ratio drastically reduces your cost-per-ground-inch. The wheel consumes less abrasive material while removing more metal, ensuring efficiency.
  • Longer Service Life: Built with premium Japanese abrasives and hot-press technology, our wheel retains thickness longer, minimizing downtime caused by frequent wheel changes.
  • Unmatched Safety: Safety is non-negotiable. Our proprietary BF (Bakelite Fiberglass) cross-fiber reinforcement provides superior impact resistance, preventing shattering under side-load pressure.
  • User-Friendly Operation: The wheel requires less downward pressure. This reduces operator fatigue and the risk of HAVS (Hand-Arm Vibration Syndrome), allowing for longer, more comfortable work periods.
  • Guaranteed Japanese Quality: Manufactured in our own factory to ensure rigorous quality control and consistency.

Best Practices for Heavy-Duty Grinding

To maximize the life of your Super F-II wheel and ensure operator safety, follow these expert tips:

  • Optimal Angle: Maintain a 15° to 30° angle between the wheel and the workpiece. An angle flatter than 15° will wear the reinforcement mesh, while an angle steeper than 30° may cause gouging.
  • Let the RPM Work: Avoid pushing too hard. The Super F-II's sharp grain cuts effectively with the weight of the tool alone. Excessive pressure creates heat, not speed.
  • Storage Matters: Resin-bonded wheels are sensitive to humidity. Store wheels in a dry, cool environment (approx. 20-25°C) and avoid direct sunlight. Moisture absorption can unbalance the wheel and degrade the bond strength over time.
  • Check Flanges: Ensure mounting flanges are clean, undamaged, and of equal size (min. 1/3 of wheel diameter) to prevent vibration and potential breakage.

Partnering for Success in the Philippines

The FUJI Super F-Ⅱ is a strategic investment that delivers tangible ROI. Ideal for shipbuilding and heavy industries, this wheel accelerates project timelines and minimizes consumable expenses.

Experience the difference for yourself. Contact Us to arrange an on-site trial!

Local Support: Pio-Ship Philippines

FUJI and Pio-Ship are committed to providing local industries with access to Japanese precision engineering. We offer technical support, safety training, and consistent supply.

PIO-SHIP SYSTEM, INC.
Contact: Ms. Rosel Cantomayor
Address: Unit 503 Adriatico Executive Centre, 1920 M. Adriatico St, Malate, Manila, 1004, Philippines
Tel: +63 02 8742 4560
Email: sales_ph@pio-ship.com
Facebook: Visit Pio-Ship Page

Frequently Asked Questions (FAQ)

Q: Is this wheel suitable for Stainless Steel?

A: The standard Super F-II is optimized for Carbon Steel and general metal. For Stainless Steel (INOX), we recommend our specialized "Green Star" or "Super F-II WA" series, which are free of iron, sulfur, and chlorine contaminants to prevent rust.

Q: What is the maximum RPM for the 4-inch Super F-II?

A: The 100mm (4") wheel is rated for a maximum speed of 4,200 m/min (approx. 13,750RPM). Always ensure your grinder does not exceed this speed rating. Over-speeding is a major cause of wheel breakage.

Q: What is the shelf life of the grinding wheel?

A: Generally, resin-bonded wheels have a recommended shelf life of 3 years from the date of manufacture, provided they are stored correctly in a dry environment. Always check the metal ring for the expiration date.

About FUJI Grinding Wheel
FUJI Grinding Wheel Co., Ltd. is a leading Japanese manufacturer of high-performance abrasive products. Renowned for innovation, safety, and durability, FUJI products are trusted by industries worldwide.

Depressed Center Grinding Wheel for Metal
Previous
The Impact of Japanese Quality Standards on Depressed Center Wheels
Read More
High Frequency Grinders HGC-250
Next
Exploring the Safety of High Frequency Grinders HGC-250Ⅱ
Read More