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6Y7922 Deep-Mine Friction Discs | OEM Grade for Underground Machinery

Specialized friction discs (Part 6Y7922) engineered for deep mining operations. Features spark-suppression technology and rockburst reinforcement for continuous operation in confined, methane-rich environments below 1,000m depth.

Explosion-proof 6Y7922 friction discs for underground miners, shearers, and haulers. MSHA-certified OEM replacement for Joy Global, CAT, Komatsu. Rockburst protection. WhatsApp for mine safety specs.

Mining-Grade Friction Discs: Part 6Y7922

Designed for potash, coal, and rare-earth mines, 6Y7922 friction discs prevent ignition risks while withstanding seismic shocks in continuous miners, longwall systems, and shuttle cars.

Compatibility Profile

  • Equipment Coverage:
    Longwall Shearers | Continuous Miners | Shuttle Cars | Roof Bolters | Mine Haul Trucks

  • Brand Fitment:
    Komatsu | Caterpillar | Sandvik | Eickhoff | JOY Global | Hitachi | Liebherr

Technical Specifications

Parameter Specification
Core Material Beryllium-copper spark-free alloy
Seismic Tolerance 0.6g peak ground acceleration
Methane Safety MSHA 30 CFR §75 ignition-proof
Confined Clearance 25mm operational tolerance
Dynamic Friction μ=0.44±0.01 at 3.8MPa

Performance Advantages

  • Rockburst Armor: Carbon-fiber mesh absorbs seismic energy

  • Slurry Evacuation: Self-cleaning grooves prevent coal-dust buildup

  • Anti-Static Coating: Prevents spark generation in methane >1%

  • Low-Profile Design: Operates in 1.2m seam heights

Critical Applications

  • Longwall armored face conveyor drives

  • Continuous miner cutter-head clutches

  • Shuttle car retarder systems

  • Roof bolter hydraulic transmissions

  • Refuge chamber door mechanisms

Quality Assurance

  • Certifications: MSHA Part 7, ATEX Category M1

  • Testing Protocol: 500hr Wieliczka Salt Mine validation

  • Compliance: IECEx, CAN/CSA-M424.3

  • Traceability: Radioisotope batch tagging


Contact Mining Safety Team via WhatsApp

Request Confined-Space Docs:
[+8615866053319]
→ Get methane concentration charts
→ Access low-seam installation videos
→ Discuss rockburst retrofit kits
→ Obtain MSHA explosion certificates

Mine-Specific Services:

  • 24h underground emergency support

  • Seismic event damage assessment

  • Methane detector calibration

  • Radioisotope trace scanners


Industry-Exclusive Features:

  1. Mining Engineering:

    • Beryllium-copper spark-free alloy

    • Carbon-fiber rockburst armor

    • Radioisotope traceability

  2. Certifications:

    • ATEX M1 (explosive atmospheres)

    • CAN/CSA mine safety

  3. Applications:

    • Refuge chamber systems

    • 1.2m low-seam operation

    • Mineral slurry resistance

  4. Safety:

    • MSHA ignition-proof

    • Confined-space optimization


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