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Onpin OP-3856 Air Sander - 7 Inch (177mm) Pad, 7000 RPM, 895W (1.2 HP) Motor Power
The Onpin OP-3856 air sander is a heavy-duty pneumatic surface finishing tool powered by a high-performance 895 W (1.2 HP) motor with a free speed of 7000 rpm. Designed with a 177 mm (7 inch) pad size, it operates efficiently at a standard air pressure of 90 psi (6.2 bar) and an air consumption rate of 791 l/min (28 cfm). Featuring an overall length of 290 mm and a net weight of 3.31 kg, it is built with a 3/8 P.T air inlet and requires a 9.5 mm (3/8 inch) hose size.
- OP-3856
- Onpin OP-3856
- OP-3856 Series
- Onpin Air Sander OP-3856
- 7 inch air sander
- Onpin pneumatic sander
- 7000 rpm air disc sander
- heavy duty pneumatic sander
- industrial air sanding tool
Design file download links:
Other fileDescription
Specification OP-3856
The Onpin OP-3856 is a heavy-duty industrial air sander engineered for high-efficiency surface grinding, sanding, and finishing applications. Operating at a standard pneumatic pressure of 90 psi (6.2 bar), it drives a large sanding pad at high speeds to achieve smooth and uniform surface quality rapidly. Powered by a robust 895 W (1.2 HP) motor delivering a free speed of 7000 rpm, the OP-3856 is built for rigorous industrial workflows.
Key Features of Onpin OP-3856
- High-Output Pneumatic Motor: Delivers 895 W (1.2 HP) motor power for consistent high-torque performance under load.
- Optimized Free Speed: Operates at 7000 rpm to maximize material removal rates and reduce processing time.
- 7-Inch Sanding Pad: Features a 177 mm (7 inch) pad diameter for broader surface coverage on large workpieces.
- Rugged Industrial Build: An overall length of 290 mm and net weight of 3.31 kg provide stability and vibration damping during operation.
- Standard Air Fittings: Equipped with a 3/8 P.T air inlet and designed for a 9.5 mm (3/8 inch) hose size to match its 791 l/min (28 cfm) air consumption.
Technical Specifications of Onpin OP-3856
- Brand: Onpin
- Product Model: OP-3856
- Tool Type: Air Sander
- Operating Air Pressure: 90 psi / 6.2 bar / 6.3 kg/cm²
- Pad Size: 177 mm (7 inches)
- Free Speed: 7000 rpm
- Air Consumption: 791 l/min (28 cfm)
- Overall Length: 290 mm (11.41 inches)
- Air Inlet: 3/8 P.T
- Net Weight: 3.31 kg (7.29 lbs)
- Hose Size: 9.5 mm (3/8 inch)
- Motor Power: 895 W (1.2 HP)
Industrial Applications of Onpin OP-3856
- Shipbuilding & Heavy Equipment Manufacturing: Surface preparation, rust removal, and weld seam sanding on large steel plates.
- Automotive & Autobody Refinishing: Paint stripping, bodywork sanding, and primer surface smoothing.
- Industrial Woodworking & Furniture Manufacturing: Large-area panel sanding and surface leveling.
- Metal Fabrication Workshops: Deburring edges and smoothing weldments across metal structures.
