The SANY STR318H Tunnel Roadheader is a heavy-duty machine designed for high-efficiency tunneling and underground excavation in mining, road construction, and infrastructure projects. It is engineered to cut through hard rock and other geological formations, making it suitable for large-scale tunnel boring and excavation tasks. Below are the key features and specifications of the STR318H:

Key Features and Specifications:

1. Engine and Power:

• Engine Model: Equipped with a powerful diesel engine that delivers high torque and efficiency, typically rated at around 318 kW (kilowatts), allowing for strong cutting performance in tough environments.
• Emissions Compliance: The engine complies with modern emission standards (such as Euro IV or Tier 4), ensuring it is environmentally friendly while maintaining powerful output.

2. Cutting Performance:

• Cutting Power: The roadheader is equipped with a high-performance cutting head, capable of delivering 318 kW of cutting power, allowing it to efficiently excavate through hard rock and other challenging geological conditions.
• Cutting Range: It offers a cutting height of approximately 5.5 to 6.3 meters and a cutting width of 6.8 meters, making it suitable for a variety of tunnel shapes and sizes.
• Cutting Picks: The cutting head features durable, wear-resistant picks designed for longevity and optimal cutting performance, even when dealing with abrasive materials.

3. Boom and Cutter Arm:

• Boom Design: The machine is equipped with a flexible and extendable boom, which allows for precise control during the cutting process. The boom is hydraulically controlled, providing a high degree of maneuverability.
• Cutter Arm Flexibility: The cutter arm can be adjusted to work at various angles, making it versatile for both horizontal and vertical excavation, as well as working in confined tunnel spaces.

4. Hydraulic System:

• High-Efficiency Hydraulics: The roadheader uses an advanced hydraulic system that delivers consistent power to the cutting head and boom. The hydraulic system ensures smooth operation, with precision control over the cutting speed and position.
• Hydraulic Drive: The hydraulic drive system offers better control over the machine’s operations, improving efficiency and productivity.