| Applicable Equipment | Epiroc COP MD20 Hydraulic Rock Drill |
|---|---|
| Product Name | Striking Piston |
| Material | Alloy Steel, Forged Integrally |
| Machining Process | Overall Quenching, Precision Cylindrical Grinding |
| Structural Feature | With Brake Flange, No Central Through Hole |
| Structure Type | Double-acting Hydraulic Cylinder |
|---|---|
| Mounting Position | Telescopic Boom Head, Clamping / Swing Tool Cylinder |
| Working Condition | High Temperature And Dusty Environment |
| Seal Type | High Temperature Resistant Seals |
| Applicable Model | UNIDACHS 845 (Reference Compatible With Model 850) |
| Rated Power | 55 kW |
|---|---|
| Poles | 8‑pole |
| Synchronous Speed | 750 rpm |
| Rated Speed | 735 rpm |
| Rated Voltage | 660V (Star) / 380‑415V (Delta) |
| Rated Power | 22 kW |
|---|---|
| Poles | 4‑pole |
| Synchronous Speed | 1500 rpm |
| Rated Speed | 1475 rpm |
| Rated Voltage | 380‑415V (Delta) / 660‑690V (Star) |
| W21 | WEG W21 Cast‑iron Frame Series |
|---|---|
| Rated Power | 90 kW |
| Poles | 6‑pole |
| Synchronous Speed | 1000 rpm |
| Rated Speed | 991 rpm |
| Deutz Diesel Engine | 168 KW @ 2.200 Rpm |
|---|---|
| Operation Weight | Approx. 32.500 |
| Telescopic Stroke | 4.000 Mm |
| Packaging Details | Original packaging |
| Delivery Time | 90 WDS |
| Features | Split Main Frame, Hydraulic Wedge Discharge Setting Adjustment, Top-mounted Eccentric Shaft, Twin Flywheels, Full Wrap Jaw Liners |
|---|---|
| Feed Opening | 1250×1600mm |
| Motor Power | 250kW (350HP) |
| Capacity | 520–1250 T/h |
| Total Weight | ~80.17t |
| Seal Material | NBR Rubber + PU Wiper Seals + PTFE Back-up Rings, Oil-resistant And Dust-proof For Mining Heavy-duty Operation |
|---|---|
| Matching Unit | Drill Rig Rotator Spindle Assembly |
| Working Condition | High-pressure Hydraulic System, Open-pit Dusty Environment |
| Packing | Independent Waterproof Packing With Component List |
| Net Weight | ≈1.6 Kg |
| Main Body Material | Q355B Welded Steel Structure |
|---|---|
| Wear Pad Material | High-wear-resistant Cast Bronze / Wear-resistant Steel Plate |
| Overall Dimension | Length 620 Mm × Width 415 Mm |
| Width Of Sliding Contact Surface | 360 Mm |
| Net Weight | ≈118 Kg |
| Manifold Material | Forged Aluminum |
|---|---|
| Configuration | Single-valve Integrated Feed Manifold |
| Max Working Pressure | 24 MPa |
| Function | Feed Up/down Control & Overload Pressure Protection |
| Port Standard | British Thread Ports (match Original Hydraulic Hoses Of D50KS) |