BORED PILE DOUBLE CUT CLEANING BUCKET

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Overview

The Bored Pile Double Cut Cleaning Bucket is an essential foundation drilling tool designed for the final cleaning stage of boreholes. It ensures the removal of loose debris, soil, gravel, and slurry from the bottom of drilled shafts, providing a clean and stable base for concrete placement. Engineered for precision and durability, this bucket represents the peak of mechanical efficiency in modern piling systems, ensuring superior borehole integrity across diverse geological conditions.

Developed under 3GEN Export’s OEM production standards, the BORED PILE DOUBLE CUT CLEANING BUCKET is compatible with the industry’s leading brands, including Bauer, Soilmec, Liebherr, Junttan, Casagrande, ABI (Banut & Delmag), XCMG, SANY, Woltman, Mait, TYSIM, and Fangyuan. It is meticulously crafted for use in both dry and wet rotary drilling operations, providing exceptional stability, precise alignment, and long service life.

With its double-cut structure, robust body design, and self-cleaning mechanism, this bucket guarantees optimal performance in demanding foundation projects — from bridge piers to skyscraper foundations.

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Function and Application

The BORED PILE DOUBLE CUT CLEANING BUCKET performs a critical function in foundation construction. After excavation with augers or core barrels, it is lowered into the borehole to collect residual soil, rock particles, and slurry at the base. The bucket’s double-cut blades slice through remaining loose materials, ensuring the borehole bottom is flat, clean, and ready for concrete casting.

The double-cut configuration provides two cutting levels — the lower blades handle bulk debris, while the upper blades scrape and level the borehole surface. This ensures that even fine residues are efficiently removed, leaving no weak layer that could compromise the pile’s bearing capacity.

Ideal for bored pile diameters between 520 mm and 2020 mm, this bucket is widely used in:

• Bridge and viaduct foundations

• High-rise building foundations

• Offshore piling and port structures

• Metro and tunnel entry shafts

• Industrial plant foundations

• Dams and wind turbine supports

Its adaptability and structural integrity make it indispensable for contractors working in varying soil and rock conditions.

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Design and Structural Features

1. Double Cutting System

The double-cut system is the defining characteristic of this bucket. The lower blades open during drilling and collect material as the bucket rotates, while the upper blades ensure the borehole’s surface is even. This dual action provides clean finishes and optimal soil removal even in high-density formations.

2. Heavy-Duty Cylinder Body

Constructed from high-tensile alloy steel, the cylinder body of the bucket withstands immense stress during rotary operations. The interior is engineered with reinforced ribs that prevent deformation and absorb vibration from the rig’s torque output.

3. Central Pilot Bit

A precision-engineered pilot bit ensures that the bucket remains centered during operation, preventing deviation from the borehole’s axis. This alignment accuracy is essential for deep foundations where minor misalignments can affect structural performance.

4. Spring-Loaded Hinged Bottom

The spring-loaded flap system at the bottom enables automatic opening and closing. When the bucket is lowered, the flaps open to collect soil and gravel; as the bucket is lifted, the flaps close under pressure, sealing the material securely inside. This ensures efficient soil discharge and reduced contamination during lifting.

5. Replaceable Cutting Teeth

All cutting edges and teeth are replaceable and made from tungsten-carbide-tipped steel, ensuring long operational life and easy maintenance. The teeth are bolted in for quick on-site replacement.

6. Standard Kelly Box Connection

The Kelly box is designed to fit standard drive shafts (130 mm, 200 mm, or 250 mm square), making the bucket fully compatible with a wide range of international drilling rigs.

7. Protective Coating

Each bucket undergoes surface treatment with anti-corrosion epoxy paint, providing strong resistance to abrasion, slurry, and chemical exposure during drilling operations in marine or wet environments.

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Technical Specifications

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How the BORED PILE DOUBLE CUT CLEANING BUCKET Works

The operation of this bucket is based on a simple yet highly efficient mechanical system.

1. Lowering into the Borehole
   The bucket is connected to the rotary rig via the Kelly bar and lowered to the bottom of the borehole. The bottom flaps open under hydraulic or gravitational force.

2. Cutting and Filling Phase
   The rig’s rotation activates both cutting levels. The lower blades break up compact soil or residue, while the upper blades scrape and gather fine material into the bucket’s chamber.

3. Lifting and Sealing Phase
   Once the bucket is filled, it is lifted slowly. The flaps automatically close due to the bucket’s spring mechanism, securing the collected material.

4. Discharging Phase
   At the surface, the bucket is rotated in the opposite direction to discharge soil through the open flaps. The design allows rapid unloading without manual intervention.

This cyclical process ensures the borehole base is perfectly cleaned and level, optimizing it for concrete placement and long-term structural stability.

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Compatibility with Leading Drilling Rigs

The BORED PILE DOUBLE CUT CLEANING BUCKET is fully compatible with international drilling rig brands and can be used interchangeably across multiple equipment types.

Bauer (Germany)

Compatible models: BG 20, BG 28, BG 36, BG 45
Custom Kelly boxes and torque-fit design ensure seamless integration with Bauer’s high-torque rotary heads.

Soilmec (Italy)

Compatible models: SR-30, SR-45, SR-75, SR-95
Provides efficient soil collection and borehole leveling under high-speed operations.

Liebherr (Germany)

Compatible models: LB 20, LB 28, LB 36, LB 44
Designed to match Liebherr’s precision drilling systems for both dry and bentonite-supported bores.

Junttan (Finland)

Compatible models: PMx20, PMx24, PMx27
Lightweight design ensures stability without compromising cleaning performance.

Casagrande (Italy)

Compatible models: B125 XP, B200 XP, B300 XP
Engineered to handle high depth and diameter operations with minimal torque loss.

ABI (Banut & Delmag, Germany)

Compatible with RH Series rigs, ideal for foundation piles and diaphragm walls.

XCMG (China)

Compatible models: XR220D, XR280D, XR360E
Balanced torque transmission for high-speed soil discharge.

SANY (China)

Compatible models: SR205C10, SR285C10, SR360, SR405R
Reinforced bucket edges provide exceptional durability in deep-bore operations.

Woltman (Netherlands)

Specialized for deep foundation and offshore applications, maintaining borehole precision even in challenging subsoils.

Mait (Italy)

Compatible models: HR130, HR180, HR260, HR300
Light but durable construction ideal for medium-depth boreholes.

TYSIM (China)

Compatible models: KR125A, KR220C, KR300C
Compact yet powerful, perfect for urban foundation projects.

Fangyuan (China)

Compatible models: FYD-Series, FYZ-Series
Provides consistent performance for both soft and semi-hard formations.

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Performance Advantages

1. Superior Borehole Cleaning Efficiency

The dual cutting levels ensure no soil residue remains at the bottom, allowing better concrete bonding and pile strength.

2. High Structural Integrity

Precision welding and reinforced side walls prevent deformation even under extreme rotary torque.

3. Reduced Downtime

Replaceable cutting teeth and modular components simplify maintenance and part replacement on site.

4. Versatility Across Soil Conditions

Performs efficiently in clay, gravel, and soft rock — minimizing operational adjustments.

5. Smooth Discharge Mechanism

Automatic flap doors reduce manual cleaning and shorten drilling cycles.

6. Extended Service Life

All components are heat-treated and coated to resist wear, corrosion, and impact damage.

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Technical Table (Dimensional Reference)

Average weight range: 550–1200 kg depending on configuration.

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Manufacturing Standards

All BORED PILE DOUBLE CUT CLEANING BUCKETS by 3GEN Export are produced following strict international quality standards:

• CNC-machined body and flanges for balance and symmetry.

• Robotic welding ensuring deep-penetration joints.

• Dynamic balance testing minimizing vibration.

• Non-destructive weld testing for fatigue resistance.

• Epoxy-based finishing against corrosion and wear.

Each product is inspected, serialized, and documented before export, ensuring total traceability and quality assurance.

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Weight & Handling

The optimized weight distribution provides excellent stability, reducing rig vibration and mechanical stress on the rotary drive.

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Applications in Foundation Construction

• Urban high-rise projects: clean boreholes ensure structural stability in tight sites.

• Bridges and overpasses: guarantees uniform concrete contact.

• Port and offshore works: suited for bentonite or polymer slurry systems.

• Energy and wind-turbine bases: provides clean, reinforced foundations for heavy static loads.

• Infrastructure projects: enhances overall pile strength and service life.

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Delivery and Packaging

All buckets are packaged in steel frames or treated wooden crates with corrosion protection applied before shipment. 3GEN Export guarantees worldwide delivery within 5 working days, supported by reliable logistics and export documentation for fast customs clearance.

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Why Choose 3GEN Export

• OEM manufacturing with strict dimensional accuracy

• 1-year warranty on all components

• Universal compatibility with top rig brands

• Corrosion-resistant coating and heavy-duty construction

• 5-day global delivery with tracking

• Expert technical support and spare part availability

3GEN Export stands as a trusted global supplier of heavy machinery components, offering unmatched quality, precision, and delivery reliability.

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Conclusion

The BORED PILE DOUBLE CUT CLEANING BUCKET by 3GEN Export is the ultimate solution for final borehole cleaning in foundation drilling. With its advanced dual-cutting design, reinforced body, and automatic sealing mechanism, it ensures optimal performance, clean drilling results, and long-term structural reliability.

Engineered for global compatibility, built for endurance, and shipped worldwide within 5 working days, it redefines efficiency and precision in bored pile construction.

Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.