No oil cylinder, pipelines and seals. Avoid common faults such as oil leakage and hydraulic component damage, fit dusty mining conditions perfectly.
Springs compress to widen roller gap when hard impurities enter, protecting roller shells and main machine from impact damage.
Adjust discharge gap easily via screw assembly. Produce aggregate with uniform particle shape and less over-crushing.
Wear-resistant roller shell can be replaced separately, greatly cutting spare part cost. Smooth roller and toothed roller optional.
Cheaper than hydraulic double roller crusher, ideal fine crushing machine for medium & small sand making plants.
Smooth running with small vibration, energy-saving for river stone, limestone, quartz crushing and sand production.