Onpin Air Angle Grinder OP-2850 Series - Rotate Type, 0.63HP, 4"/5" Pad Size

Specification

What is Onpin OP-2850 Series?

The Onpin OP-2850 Series air angle grinder (including models OP-2850 and OP-2850A) is a heavy-duty pneumatic handheld power tool designed for industrial surface processing under $6.2\text{ bar}$ ($90\text{ psi}$) compressed air pressure. Powered by a pneumatic rotor motor, it transfers torque via a right-angle bevel gear mechanism to drive grinding accessories for material removal, deburring, and finishing. Implementing the Onpin OP-2850 Series grinder ensures high operational safety, continuous heavy-duty duty cycles, and superior productivity in demanding manufacturing environments.

Key Features of Onpin OP-2850 Series

1. Engineered with a rotary switch design (Rotate type) tailored for continuous, long-time operation.
2. Features an ergonomic auxiliary handle to reduce hand fatigue during prolonged usage.
3. Heavy-duty motor delivering $0.63\text{ HP}$ ($470\text{ W}$) motor power for high-efficiency grinding.
4. Highly versatile, compatible with grinding wheels, rubber pads, and wire brushes.
5. Offers two pad size and spindle thread configurations: Model OP-2850 utilizes a $4\text{ inch}$ ($101\text{ mm}$) pad with $\text{M10} \times 1.5$ thread; Model OP-2850A utilizes a $5\text{ inch}$ ($127\text{ mm}$) pad with $\text{M14} \times 2.0$ thread.
6. Precision-machined mechanical assembly including Housing, Bevel Gear Drive Spindle, Rotor Blade assembly, and built-in Regulator Valve.

Technical Specifications of Onpin OP-2850 Series

1. Model / Part Number: OP-2850 & OP-2850A
2. Brand: Onpin
3. Switch Type: Rotate Type (Rotary Switch)
4. Motor Power: $0.63\text{ HP}$ ($470\text{ W}$)
5. Pad Size: $4\text{ inch}$ ($101\text{ mm}$) for OP-2850 | $5\text{ inch}$ ($127\text{ mm}$) for OP-2850A
6. Spindle Thread: $\text{M10} \times 1.5$ (OP-2850) | $\text{M14} \times 2.0$ (OP-2850A)
7. Free Speed: $11,000\text{ rpm}$ (OP-2850) | $9,500\text{ rpm}$ (OP-2850A)
8. Air Consumption: $452\text{ l/min}$ ($16\text{ cfm}$)
9. Rated Air Pressure: $90\text{ psi}$ ($6.2\text{ bar}$ / $6.3\text{ kg/cm}^2$)
10. Overall Length: $235\text{ mm}$ ($9.25\text{ inch}$)
11. Air Inlet: $1/4\text{ P.T}$
12. Hose Size: $9.5\text{ mm}$ ($3/8\text{ inch}$)
13. Net Weight: $1.8\text{ kg}$ ($3.96\text{ lb}$)

Industrial Applications of Onpin OP-2850 Series

1. Shipbuilding and marine maintenance industries.
2. Sheet metal fabrication and structural steel manufacturing.
3. Foundries and metal casting operations.
4. Hardware machinery production and metal products manufacturing.
5. Vehicle modification, automotive bodywork, and heavy equipment maintenance.