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Disc Cutter

Product Highlights

Xinda Disc Cutters are engineered for high-load rock breaking in medium-hard to ultra-hard formations. Built on an integral forging structure, they are systematically optimized for strength consistency, fatigue resistance, and long-term stability.

Under high thrust, impact, and abrasive conditions, Xinda disc cutters deliver continuous, controllable, and stable rock fragmentation—reducing abnormal failures and extending overall cutterhead service life.

Based on long-term engineering experience in load mechanics, fracture paths, and failure modes, Xinda focuses not only on single-cutter performance but also on system-level coordination and stability, making them well suited for long-distance, high-intensity tunneling applications.

Structural Configurations for Diverse Rock-Breaking Requirements

Based on varying rock conditions and cutterhead layout requirements, Xinda offers multiple disc cutter configuration solutions:

Single Disc Cutter

A compact structure with clear load paths, designed for high-strength compressive rock breaking. It delivers stable crack initiation and propagation in hard, intact rock formations.

Double Disc Cutter

Features a dual-disc load-sharing design that balances rock-breaking efficiency and cutter life. Suitable for primary cutting zones in medium-hard to hard rock formations.

Multi-Disc Cutter

Increases the number of rock-breaking actions per advance, making it ideal for highly abrasive strata or applications with high penetration rate requirements.

Counter-bore roller cutter

Designed for special working conditions such as shafts and reverse excavation, it meets the requirements for rock breaking and structural stability under non-standard excavation directions.

Manufacturing & Performance Advantages

Xinda disc cutters adopt integral forging for all critical load-bearing components. Compared with conventional rolled or machined steel parts, this process delivers superior stability in the following aspects:

High strength consistency: Dense and uniform internal structure, eliminating local weak zones
Excellent fatigue resistance: Suitable for long-term cyclic loading and high-impact conditions
High structural stability: Reduced risk of cracking, deformation, and premature failure
Predictable service life: Minimizes uncontrolled wear and sudden damage

This manufacturing system ensures reliable continuous operation under high thrust and severe impact conditions.

Application Scope | For Various Shield Machines / TBM Systems

Xinda disc cutters are applicable to:

All types of hard-rock shield machines and TBM tunnelling systems
Urban metro, railway tunnels, water diversion projects, mountain tunnels, and mining drifts
Different cutterhead structures and disc cutter layouts under varying thrust levels

The products can be supplied as complete disc cutter system solutions or used for maintenance, upgrades, and spare-part replacement, supporting diverse tunnelling and engineering applications.