Common Faults & Solutions for Oyster Sorting Machines
1. Reduced Sorting Accuracy (Mixed Sizes, Missorts)
Key Causes
Roller mesh clogging (oyster shell fragments, sediment, common with HDPE Oyster Mesh Bags-raised spat)
Abnormal roller speed
Uneven feeding (overloading, e.g., unregulated dumping from Oyster Sorting Tumbler)
Solutions
Rinse mesh with 200-300psi water; use our anti-clog HDPE mesh brush every 500kg sorted
Adjust speed: 15-18rpm for 2-5mm spat (from 3mm HDPE bags); 12-15rpm for ≥8cm adults (from tumblers)
Add our 316 stainless steel guide chute to control feed ≤200kg/hour
2. Roller Jam/Noise (Rough Operation, Grinding Sounds)
Key Causes
Worn/rusted roller bearings (seawater corrosion, salinity 28-32‰)
Foreign objects in roller (e.g., Hexagonal Oyster Basket plastic shards, sharp shells)
Loose/aged motor belt
Solutions
Replace with our 316 stainless steel waterproof bearings (1000h salt spray resistance); use FDA-grade grease quarterly
Clean debris; check/replac…