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The Tip Set for Metso Barmac RC840 Rotor is a high-performance wear solution that lies at the heart of vertical shaft impact crusher efficiency, directly influencing product quality and operational uptime.
RC840
ONA
847490
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In Barmac RC840 crushers, rotor tips accelerate material to speeds exceeding 80 m/s before impact—making them the most heavily worn components in the system. This tip set addresses this challenge through a combination of tungsten carbide-tipped (WC) primary tips and high-chrome backup tips, delivering exceptional wear resistance while maintaining optimal material flow dynamics. Its modular design enables rapid replacement, minimizing downtime in high-volume mining, aggregate, and recycling operations where every minute of production counts.
Material Composition: Primary tips formed from tungsten carbide-cobalt alloy (WC-12% Co) with HRA 89 hardness; backup tips from high-chrome cast steel (18% Cr) hardened to HRC 58 for secondary wear protection.
Dimensional Precision: Tips machined to 50-100 mm in length and 30-50 mm in width, with precision-ground mounting surfaces (tolerance ±0.05 mm) to ensure proper fit in RC840 rotor ports.
Weight Optimization: Individual tips weigh 0.8-2.5 kg (1.8-5.5 lb), with weight-matched sets (±50g per tip) to maintain rotor balance at operating speeds up to 1,500 RPM.
Compatibility: Direct replacement for Metso Barmac RC840 rotor tips, including OEM part numbers B96334135A (primary) and B96334140A (backup), ensuring seamless integration.
Tungsten carbide primary tips provide 30-50% longer service life than standard steel tips in granite crushing applications, extending replacement intervals from 300 to 450-600 operating hours .
Backup tips act as a fail-safe, maintaining crusher operation for an additional 8-10 hours if primary tips wear unexpectedly—enough to complete a production shift and plan maintenance .
Aerodynamically optimized tip profiles reduce air resistance by 15%, lowering power consumption by 5-8% compared to conventional blunt-tip designs .
Smooth, precision-ground surfaces (Ra ≤1.6 μm) minimize material adhesion, preventing build-up that disrupts flow and increases energy draw.
Tool-less installation using spring-loaded retaining bars allows a single technician to replace one tip in under 15 minutes—reducing total changeout time for a full rotor (8 tips) to under 2 hours .
Color-coded identification (red for primary, black for backup) prevents installation errors, while laser-etched part numbers simplify inventory management.
Maintains structural integrity at continuous operating temperatures up to 300°C (572°F), critical for processing hot materials like recycled asphalt pavement (RAP) or freshly crushed basalt.
Highway Aggregate Production: Essential for producing cubical asphalt chips and concrete aggregates, where tip geometry directly influences particle shape and gradation.
Hard Rock Mining: Handles iron ore, gold, and copper processing, withstanding impacts from high-silica ores that rapidly wear standard steel components.
Demolition Recycling: Processes reinforced concrete and asphalt debris, resisting damage from embedded steel rebar and preventing rotor imbalance.
Quarry Operations: Ensures consistent performance in limestone, granite, and basalt crushing, where high throughput demands reliable, long-lasting wear parts.
This tip set exemplifies material science innovation, balancing extreme hardness with fracture resistance to deliver unmatched durability in Metso Barmac RC840 VSI crushers.
In Barmac RC840 crushers, rotor tips accelerate material to speeds exceeding 80 m/s before impact—making them the most heavily worn components in the system. This tip set addresses this challenge through a combination of tungsten carbide-tipped (WC) primary tips and high-chrome backup tips, delivering exceptional wear resistance while maintaining optimal material flow dynamics. Its modular design enables rapid replacement, minimizing downtime in high-volume mining, aggregate, and recycling operations where every minute of production counts.
Material Composition: Primary tips formed from tungsten carbide-cobalt alloy (WC-12% Co) with HRA 89 hardness; backup tips from high-chrome cast steel (18% Cr) hardened to HRC 58 for secondary wear protection.
Dimensional Precision: Tips machined to 50-100 mm in length and 30-50 mm in width, with precision-ground mounting surfaces (tolerance ±0.05 mm) to ensure proper fit in RC840 rotor ports.
Weight Optimization: Individual tips weigh 0.8-2.5 kg (1.8-5.5 lb), with weight-matched sets (±50g per tip) to maintain rotor balance at operating speeds up to 1,500 RPM.
Compatibility: Direct replacement for Metso Barmac RC840 rotor tips, including OEM part numbers B96334135A (primary) and B96334140A (backup), ensuring seamless integration.
Tungsten carbide primary tips provide 30-50% longer service life than standard steel tips in granite crushing applications, extending replacement intervals from 300 to 450-600 operating hours .
Backup tips act as a fail-safe, maintaining crusher operation for an additional 8-10 hours if primary tips wear unexpectedly—enough to complete a production shift and plan maintenance .
Aerodynamically optimized tip profiles reduce air resistance by 15%, lowering power consumption by 5-8% compared to conventional blunt-tip designs .
Smooth, precision-ground surfaces (Ra ≤1.6 μm) minimize material adhesion, preventing build-up that disrupts flow and increases energy draw.
Tool-less installation using spring-loaded retaining bars allows a single technician to replace one tip in under 15 minutes—reducing total changeout time for a full rotor (8 tips) to under 2 hours .
Color-coded identification (red for primary, black for backup) prevents installation errors, while laser-etched part numbers simplify inventory management.
Maintains structural integrity at continuous operating temperatures up to 300°C (572°F), critical for processing hot materials like recycled asphalt pavement (RAP) or freshly crushed basalt.
Highway Aggregate Production: Essential for producing cubical asphalt chips and concrete aggregates, where tip geometry directly influences particle shape and gradation.
Hard Rock Mining: Handles iron ore, gold, and copper processing, withstanding impacts from high-silica ores that rapidly wear standard steel components.
Demolition Recycling: Processes reinforced concrete and asphalt debris, resisting damage from embedded steel rebar and preventing rotor imbalance.
Quarry Operations: Ensures consistent performance in limestone, granite, and basalt crushing, where high throughput demands reliable, long-lasting wear parts.
This tip set exemplifies material science innovation, balancing extreme hardness with fracture resistance to deliver unmatched durability in Metso Barmac RC840 VSI crushers.
