Intermediate and fine crushing is the critical value conversion hub of stone crushing lines, connecting primary crushing and screening. After jaw crusher coarse crushing, precisely processing high-hardness rocks (≥150 MPa, granite, iron ore) to 5-30 mm while balancing particle shape, energy consumption and continuous operation directly determines finished aggregate and mineral raw material quality. Traditional cone crushers face delayed discharge adjustment, overload damage and excessive needle-flake particles, limiting production capacity.
Core Manufacturing Advantages
ZG310-570 integral cast steel frame (replacing welded structures) with vacuum degassing and aging treatment, 40% higher impact strength. Withstands 300kN max hard rock impact without cracking, 0.1mm machining accuracy ensures stable hydraulic system operation and less abnormal wear.
Precision Spindle & Multi-Cylinder System
40CrNiMo alloy steel spindle (surface hardness HRC55-60) with over 5 years service life. 4-6 hydraulic cylinders and imported seals control oil leakage below 0.1L/1000h, enabling precise discharge adjustment and sensitive overload protection.
Customized Wear-Resistant Parts
Segmented crushing walls and concave rings: ZGMn13-2 high-manganese steel for hard rocks (30% higher wear resistance, 12-month life); alloy-clad steel for medium-soft materials, cutting costs by 20% with 8-10 months service life.
Core Application Scenarios
Mineral Processing
Standard secondary crushing chamber (15% deeper cavity) with 110-220kW motor, over 96% particle pass rate. Reduces ball mill load and reagent consumption, avoiding over-crushing and metal loss.
High-Quality Aggregate Production
Short-head fine crushing chamber, 280-320 oscillations/min, cubic aggregate with ≤5% needle-flake content and ≤0.5% mud content. Meets high-standard infrastructure project requirements.
Construction Waste Recycling
Thickened impact-resistant frame, compatible with crawler mobile stations. Paired with jaw crushers and vibrating screens, 200t/h on-site crushing efficiency, 90% recycled aggregate recovery rate and 60% lower transport costs.
With premium manufacturing and intelligent design, this cone crusher leads hard rock fine crushing, delivering stable, efficient performance for crushing lines. It boosts finished product value, cuts operating costs and serves as a reliable long-term partner.
