Lloyd Star Buckets

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The Lloyd Engineering range of Star screening buckets come in different size models to fit most Excavators.

The star bucket has a unique screening action that rotates the material in a similar manner to a rotary / trommel bucket but has the benefit of rotating star discs agitating and clawing at the material as it turns. This is achieved by mounting star shafts on a large arc forming the back and top of the bucket.

Another unique feature of the Lloyd star screening bucket is the light weight, flexible, self cleaning, polyurethane stars.  The rotating and folding action within the bucket along with the flexible stars afford many benefits:


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Features & Benefits
 
  • There are no pinch or crushing areas, resulting in low power requirement and no contamination from crushed material.
  • Flexible stars are gentle on fragile material such as roots and turf and eliminate impact loads on the shafts, which reduces shaft weight and increases reliability.
  • The shafts are completely covered by the star elements, eliminating shaft wear and eventual replacement.
  • The polyurethane stars are an inexpensive, easily replaceable part that reduces down time.
  • The rotary action of the bucket allows complete mixing of material as it is being screened, ensuring complete separation. The bucket is screening throughout its cycle, with no time wasted stopping and reversing the shafts.
  • The shafts only operate in one direction, which reduces wear on transmission components and only requires a standard one way hammer circuit.  This also eliminates the need for a drain line.
  • Variable speed control mounted on the screening bucket gives variable fragment size.
  • Rugged construction, using the best materials for long life and reliability.
  • Interchangeable top plate for varying base machines.
  • Interchangeable shaft options for compost bucket, and star spacer options for all buckets.
  • Simple maintenance, heavy duty drives.
     
Specifications
  Nanostar Microstar Microstar + Ministar Ministar + Rotastar 5w Rotastar 6 Rotastar 7
Carrier weight 3-5 tonnes 3-6 tonnes 4-8 tonnes 5-8 tonnes 8-14 tonnes 10-20 tonnes 13-20 tonnes 15-25
Output Avg 10 tph Avg 15 tph Avg 25 tph Avg 25 tph Avg 32 tph Avg 40 tph Avg 50 tph Avg 70+tph
Shafts 3 4 4 5 5 5 6 7
Stars 58 70 102 117 137 152 165 206
Bucket cap. 0.15m³ 0.2m³ 0.25m³ 0.3m³ 0.4m³ 0.65m³ 0.8m³ 1.0m³
Hydraulic Requirement 30-40 ltr/min 70-180bar 30-40 ltr/min 70-180 bar 42-56 ltr/min 70-180 bar 42-56 ltr/min 70-180 bar 42-56 ltr/min 70-180 bar 70-115 ltr/min 70-180 bar 90 ltr/min 70-180 bar 130 ltr/min 70-80 bar
Bucket weight 260kg 345kg 415kg 566kg 615kg 980kg 1100kg 1350kg
Working width 825mm 745mm 945mm 930mm 1150mm 1260mm 1150mm 1240mm
Overall width 1070mm 1010mm 1330mm 1240mm 1402mm 1590mm 1525mm 1630mm


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