Rotary screening buckets, also known as rotary screen buckets or excavator screening attachments, are specialized tools installed on excavators or loaders. Their primary function is to process and separate natural materials through a continuous rotation mechanism. The bucket features interchangeable mesh sizes, allowing operators to customize screening precision based on project requirements. As the drum rotates, finer particles fall through the selected mesh, while larger materials remain inside and can be processed or discarded. This simple yet powerful mechanism makes the excavator screening bucket highly valuable for sorting a wide range of materials, including soil, aggregates, compost, and demolition debris. Whether the goal is to produce clean topsoil, recover reusable aggregates, accelerate backfilling procedures, or reduce material waste, the rotary screening bucket provides measurable productivity improvements.
Parameters of Rotary Screening Bucket
| Model | YGS-9 | YGS-15 | YGS-25 | YGS-35 |
| Suitable Excavator | 5–9T | 10–15T | 16–25T | 26–40T |
| Weight | 500KG | 800KG | 1600KG | 2800KG |
| Bucket Capacity | 0.3m³ | 0.4m³ | 1.1m³ | 2m³ |
| Working Pressure | 20Mpa | 20Mpa | 20Mpa | 20Mpa |
| Recommended Flow Rate | 60L/min | 80L/min | 140L/min | 200L/min |
| Screen Size | 5–50 | 5–80 | 5–100 | 5–120 |
Working Process of Excavator Screening Attachment
- Material Loading: The operator scoops up the raw materials with the bucket in a manner similar to a standard digging bucket.
- Rotation and Separation: Once loaded, a powerful hydraulic motor drives the internal cylindrical drum or basket to rotate. This rotation causes the material to tumble and cascade against the internal screen mesh.
- Centrifugal Force and Agitation: The continuous agitation and the effect of centrifugal force ensure that the material is thoroughly mixed and repeatedly exposed to the screen surface. Smaller particles that match or are smaller than the screen’s aperture pass through the mesh and fall out as screened, usable material.
- Retention of Oversize: Larger material, or “oversize,” that cannot pass through the mesh remains inside the rotating drum.
- Discharge: Once the screening cycle is complete, the operator can easily dump the screened, fine material and then reposition the bucket to discharge the oversize material separately.
Advantages: Superior Operational Efficiency
- The greatest advantage of rotary screening bucket is the ability to screen and process material in a single pass. Because the screening bucket is an active, mobile attachment, the operator can dig, load, screen, and separate all from the cab of the excavator or loader.
- Reduced Material Handling: It eliminates the multiple steps required by traditional methods, which often involve digging, loading onto a truck, transporting to a static screener, and then re-transporting the screened material back to the worksite.
- Maximized Productivity: The continuous, aggressive rotation provides higher throughput than passive or shaker-style buckets, leading to faster completion times for screening tasks.
- Reduced Downtime: Modern designs feature simple, bolt-on, and easily replaceable screening meshes or nets, minimizing the time required to switch to a different output size.
Excavator Screening Bucket Applications
- In construction projects, the bucket is used to screen soil and aggregate for foundation preparation, utility trench backfilling and general site cleanup. Screening allows contractors to remove rocks, debris and oversized particles quickly, resulting in uniform material layers.
- Demolition contractors benefit from the bucket’s ability to separate recyclable materials from waste. Screened material can be reused as fill or base material, reducing disposal costs and environmental impact.
- In agriculture, rotary screening buckets are used to process compost, manure or soil amendments. Screening ensures proper texture and consistency, which improves soil health and crop outcomes.
- Mining and quarry operations use these attachments to refine aggregates, remove unwanted fines or separate different particle sizes before further processing.
Selecting the Suitable Rotary Screening Bucket for Your Needs
- Compatibility with the Host Machine: The first and most important step is to match the bucket to the carrier machine. An undersized bucket will not perform efficiently, while an oversized one can damage the machine’s hydraulic system or compromise its stability.
- Required Screening Capacity and Output: Consider the volume of material you need to process within a given timeframe. Larger buckets with higher capacity are suitable for big projects, while smaller, more compact models are ideal for smaller excavators working on tighter sites.
- Material Type and Screen Mesh Options: The nature of the materials you will be processing most frequently will dictate the required drum design and screen mesh strength. Abrasive materials like rocky soil demand hardened steel meshes, while sticky, clay-based soils may require specialised meshes or drum designs that resist clogging.
- Build Quality and Durability: The build quality of the rotary screening bucket is paramount. A well-built attachment may have a higher upfront cost but will offer far greater reliability and a longer service life, reducing downtime and repair costs.
Rotary Screening Bucket in YG Attachmenrts
The rotary screening bucket is to help you work faster, cleaner, and more efficiently on site. That’s why we continue to refine our rotary screening bucket technology to deliver higher output, lower operating costs, and dependable durability. If you’re looking for an excavator screening bucket for sale that can handle mixed materials, construction waste, topsoil, or aggregates with ease, I’m confident our models will exceed your expectations. To learn more about specs, compatibility, or pricing for a rotary screening bucket for sale, feel free to contact me anytime—we are here to support your project needs.
