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Highlights at a glance
Extreme Load Capacity: Engineered to withstand massive thrust loads (up to 315kN for 19" cutters), ensuring stable rock-breaking in extreme high-pressure environments.
Premium Cr-Mo-V Alloy Steel: Manufactured from high-grade vacuum-degassed alloy steel to guarantee superior wear resistance and structural integrity.
Precision Heat Treatment: Advanced multi-stage heat treatment achieves a uniform hardness (HRC 56-62), balancing extreme hardness with optimal impact toughness.
High-Performance Sealing System: Equipped with specialized metal-to-metal floating seals and high-temperature resistant O-rings to prevent oil leakage and soil ingress.
World-Class Bearings: Integrated with premium heavy-duty Timken or SKF-grade tapered roller bearings for maximum operational reliability and extended service life.
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FAQs
What core materials and heat treatment processes are used to ensure the cutter's durability?
Our cutter rings are manufactured from premium Cr-Mo-V alloy steel (e.g., H13/5CrNiMoV). We utilize an advanced vacuum heat treatment process to achieve a precision-balanced hardness of HRC 56-62. This ensures that the ring has both the extreme abrasion resistance for rock breaking and the impact toughness to prevent brittle fractures in complex strata.
Are your tools compatible with international brands like Herrenknecht, Robbins, or Sandvik?
Yes. Our products are designed to meet or exceed OEM specifications. We provide 100% compatible replacements for major brands including Herrenknecht, Robbins, CRCHI, Sandvik, and Wirtgen.
Can you manufacture tools based on our specific drawings or samples?
Absolutely. We offer comprehensive OEM/ODM services. Our engineering team can optimize tool geometry and carbide grades based on your specific geological conditions (e.g., granite, limestone, or mixed ground).
What is your standard lead time for bulk orders?
For standard specifications (17"/19" cutters), we maintain a safety stock for immediate shipping. Custom orders typically take 15-30 days depending on the complexity and quantity.
How do your cutters perform in extremely hard rock (150-200 MPa) like granite or basalt?
Our 19-inch cutters are engineered to withstand a maximum thrust load of 315kN. The robust structure and high-load bearings (Timken/SKF grade) are specifically designed for high-strength rock. By optimizing the Constant Cross Section (CCS) design, we maintain a stable penetration rate while minimizing the risk of edge chipping, even in 200 MPa formations.
