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The Metso Nordberg HP200 Crusher Support Suit functions as the structural backbone of HP200 cone crushers, engineered to stabilize the crushing chamber and absorb radial forces generated during ore processing. This assembly integrates a base frame, eccentric bushing housing, and tension rods, forming a rigid structure that maintains crusher alignment even under variable load conditions (ranging from 800 to 1,200 kN). Its design directly contributes to the crusher’s ability to process up to 280 tons/hour of hard ore, making it a staple in medium-scale mining operations worldwide.
Structural Integrity: The base frame is cast from gray iron (ASTM A48 Class 30) with a minimum tensile strength of 275 MPa, featuring internal ribbing that increases load-bearing capacity by 30% compared to non-ribbed designs.
Lubrication Circuit: Incorporates a dual-pass oil gallery system (diameter 12 mm) with pressure relief valves (set at 0.6 MPa), ensuring continuous lubrication to pivot points even during peak load periods.
Adjustment Mechanism: Equipped with a worm gear-driven adjustment ring (thread pitch 5 mm) that allows incremental discharge setting changes of 0.1 mm per rotation, enabling precise control over product particle size.
Environmental Protection: The exterior is coated with a zinc-rich primer (dry film thickness 60 μm) followed by polyurethane topcoat (80 μm), achieving a salt spray resistance rating of 1,000 hours per ASTM B117.
Gold Mining: Used in secondary crushing stages for processing ore with gold grades of 2–5 g/ton, ensuring liberation of gold particles for downstream extraction.
Copper Ore Processing: Efficiently handles chalcopyrite ores with 0.5–2% copper content, producing a consistent feed for flotation circuits.
Construction Aggregates: Processes limestone into 20–40 mm fractions for use in asphalt mixtures and road base construction.
Q: How to verify proper tension rod torque?
A: After initial tightening to 450 N·m, retighten after 8 hours of operation to account for material settling, then check monthly using a torque multiplier.
Q: What causes support suit misalignment?
A: Uneven foundation settlement (exceeding 2 mm/m) or excessive feed size (over 150 mm) are primary causes; regular laser alignment checks (every 6 months) are recommended.
Q: Can the support suit accommodate wear liners of varying thickness?
A: Yes, it supports liner thickness adjustments from 50 mm to 100 mm, with corresponding changes to the discharge setting via the adjustment ring.
The Metso Nordberg HP200 Crusher Support Suit functions as the structural backbone of HP200 cone crushers, engineered to stabilize the crushing chamber and absorb radial forces generated during ore processing. This assembly integrates a base frame, eccentric bushing housing, and tension rods, forming a rigid structure that maintains crusher alignment even under variable load conditions (ranging from 800 to 1,200 kN). Its design directly contributes to the crusher’s ability to process up to 280 tons/hour of hard ore, making it a staple in medium-scale mining operations worldwide.
Structural Integrity: The base frame is cast from gray iron (ASTM A48 Class 30) with a minimum tensile strength of 275 MPa, featuring internal ribbing that increases load-bearing capacity by 30% compared to non-ribbed designs.
Lubrication Circuit: Incorporates a dual-pass oil gallery system (diameter 12 mm) with pressure relief valves (set at 0.6 MPa), ensuring continuous lubrication to pivot points even during peak load periods.
Adjustment Mechanism: Equipped with a worm gear-driven adjustment ring (thread pitch 5 mm) that allows incremental discharge setting changes of 0.1 mm per rotation, enabling precise control over product particle size.
Environmental Protection: The exterior is coated with a zinc-rich primer (dry film thickness 60 μm) followed by polyurethane topcoat (80 μm), achieving a salt spray resistance rating of 1,000 hours per ASTM B117.
Gold Mining: Used in secondary crushing stages for processing ore with gold grades of 2–5 g/ton, ensuring liberation of gold particles for downstream extraction.
Copper Ore Processing: Efficiently handles chalcopyrite ores with 0.5–2% copper content, producing a consistent feed for flotation circuits.
Construction Aggregates: Processes limestone into 20–40 mm fractions for use in asphalt mixtures and road base construction.
Q: How to verify proper tension rod torque?
A: After initial tightening to 450 N·m, retighten after 8 hours of operation to account for material settling, then check monthly using a torque multiplier.
Q: What causes support suit misalignment?
A: Uneven foundation settlement (exceeding 2 mm/m) or excessive feed size (over 150 mm) are primary causes; regular laser alignment checks (every 6 months) are recommended.
Q: Can the support suit accommodate wear liners of varying thickness?
A: Yes, it supports liner thickness adjustments from 50 mm to 100 mm, with corresponding changes to the discharge setting via the adjustment ring.
