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Greater embedding pressure can be achieved by Casing oscillator instead of Casing Drive Adapter, Casing can be embedded even in hard layer. Casing oscillator owns such merits as strong adaptability to geology, high quality of completed pile, low noise, no mud contamination, slight influence to former foundation, easy control, low cost, etc.
Geological Conditions: It owns advantages in following geological conditions: instable layer, underground slip layer, underground river, rock formation, old pile, erratic boulder, quicksand, foundation of emergency and temporary building.
Suitable Applications: SWC serious casing oscillator is especially suitable for coast, beach, old city wasteland, desert, mountain area and the place surrounded by buildings.
Low purchase and transport costs for the shared utilization of rig pump instead of special pump truck.
Low operation cost for the sharing of output power of rotary drilling rig, energy saving and environment friendly.
Ultra-large pull/push force up to 210t is supplied by lifting cylinder and the large can be achieved with added counter-weight to speed up construction.
Dismountable counter weight from 4 to 10t as required.
Work stably-combined action of counterweight frame and ground anchor fix the bottom of oscillator to the ground firmly and reduce the reaction torque generated by oscillator to rig.
High working efficiency for the automatic casing oscillation after 3-5m casing-in.
Added anti-torsion pin of clamping collar to ensure 100% torque transfer to casing.
| Model | SWC1200 | SWC1500 |
|---|---|---|
| Max. Casing diameter (mm) | 600～1200 | 600～1500 |
| Lifting force (kN) | 1200 | 2000 |
| Rotation angle (°) | 18° | 18° |
| Torque (KN·m) | 1250 | 1950 |
| Lifting stroke（mm） | 450 | 450 |
| Clamping force（kN） | 1100 | 1500 |
| Outline dimension (L*W*H)(mm) | 3200×2250×1600 | 4500×3100×1750 |
| Weight (kg) | 10000 | 17000 |
| Power pack model | DL160 | DL180 |
|---|---|---|
| Diesel engine model | QSB4.5-C130 | 6CT8.3-C240 |
| Engine power (KW) | 100 | 180 |
| Output flow (L/min) | 150 | 2x170 |
| Working pressure (Mpa) | 25 | 25 |
| Fuel tank volume (L) | 800 | 1200 |
| Outline dimension (L*W*H) (mm) | 3000×1900×1700 | 3500×2000×1700 |
| Weight (Not including hydraulic oil) (kg) | 2500 | 3000 |
A casing oscillator offers strong geological adaptability. It is highly advantageous in challenging conditions such as unstable layers, underground slip layers, underground rivers, rock formations, old piles, erratic boulders, quicksand, and foundations of emergency or temporary buildings.
The SWC series casing oscillator operates with low noise, slight influence to former foundations, and causes no mud contamination. This makes it ideal for old city wastelands, mountain areas, coasts, beaches, deserts, and places surrounded closely by existing buildings.
Cost savings are achieved through the shared utilization of the rotary drilling rig pump instead of requiring a dedicated pump truck, which significantly lowers initial purchase and logistics expenses.
Stability is maintained by the combined action of a counterweight frame and a ground anchor. This configuration fixes the bottom of the oscillator firmly to the ground, effectively reducing the reaction torque generated by the oscillator to the drilling rig.
The clamping collar features an added anti-torsion pin that ensures 100% torque transfer directly to the casing, maximizing drilling performance and efficiency.
