Engineered for relentless industrial performance, the FUJI KOSOKU HGP-4260 High-Frequency Angle Grinder (400Hz) redefines efficiency in demanding metalworking. Unlike standard universal motor tools, this 400Hz system leverages brushless induction motor technology to deliver consistent, stable torque even under the heaviest grinding loads.
Proven superior in rigorous testing against conventional pneumatic and electric grinders, the HGP-4260 translates high-frequency power into faster material removal and significantly higher grinding speeds—often increasing work efficiency by 200% to 300% compared to standard tools.
Why choose High-Frequency over standard electric tools? The key lies in the induction motor powered by a frequency converter. This eliminates carbon brushes and commutators—the most common failure points in heavy-duty grinders.
The HGP-4260 is the tool of choice for industries where downtime is not an option.
Essential for shipyards worldwide, the HGP-4260 excels in heavy hull grinding, beveling, and weld seam cleanup. Engineers in Batam, Indonesia reported: "Low vibration, lightweight, no speed drop, and highly efficient grinding." It allows operators to achieve smoother surfaces and perfect weld preparation faster, boosting overall production capacity.
Tackle tough casting finishing and gate removal with unparalleled ease. In foundry environments, dust usually destroys standard electric motors. The HGP-4260's enclosed brushless design resists dust ingress, while its stable high torque makes quick work of stubborn sprues and risers.
Where standard grinders stall, the HGP-4260 thrives. Its power is visibly evident, producing larger, more energetic sparks during steel plate grinding—a clear indicator of superior cutting action. It is ideal for bridge construction and heavy machinery manufacturing.
| Feature | Standard Electric (50/60Hz) | Pneumatic (Air) | FUJI High-Frequency (400Hz) |
|---|---|---|---|
| Speed Stability | Drops under load | Drops significantly under load | Remains Constant |
| Material Removal | Medium | Low to Medium | Very High |
| Motor Life | Short (Brush wear) | Long (if oiled) | Extremely Long (Brushless) |
| Energy Cost | Low | High (Compressor leaks) | Low (High Efficiency) |
| Model | HGP-4260 |
|---|---|
| Wheel Size | 180mm (7 Inch) |
| Frequency / Voltage | 400Hz / 200V (Requires Inverter) |
| No Load Speed | 8,000 RPM (High Speed Type) |
| Weight | Lightweight Design (approx. 2.8 - 3.2kg class) |
*Note: A dedicated High-Frequency Converter/Inverter is required to operate this tool.
Yes, this tool operates at 400Hz/200V. You must connect it to a compatible FUJI frequency converter or a centralized high-frequency generator system.
Because the motor is brushless, it requires virtually no maintenance compared to standard tools. We recommend regular checks on bearings and gears to ensure longevity.
Upgrade your grinding capability. Contact our technical team today to discuss how the HGP-4260 can reduce your cycle times and labor costs.