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Hot-selling rock crusher for coal mines: The double-stage telescopic arm can adjust the vertical height to be consistent with the geometry of the tunnel, thereby eliminating interference with the anchoring system, roof support and geological features. This ensures that various tunnel sections can operate continuously during maintenance and repair operations.

The telescopic boom cylinder adopts an anti-impact internal protective cover design and is equipped with an enhanced protective device, which can protect the hydraulic actuator from collision damage during heavy-load cycles.

The low-key hydraulic layout guides the pressurized fluid pipeline to flow along the double boom channel and is wrapped in wear-resistant armor sleeves to ensure a long service life in high-wear environments.

The high-pressure hydraulic system provides industry-leading digging performance by optimizing the digging force of the bucket. The leak-proof hydraulic coupling adopts precisely machined interfaces to ensure the sealing integrity of all circuit connections.

The semi-enclosed cab offers a 270° field of vision and is equipped with a reinforced structural frame, including a modular height-adjustable roof that can quickly adapt to the workflow of specific tasks.

The centralized power unit adopts a compact rock-proof housing to reduce damage from debris impact and integrates an active forced air cooling system to achieve reliable thermal management during long-term operation.

The fully rotating hydraulic hammer offers 360° rock-breaking capability, is not restricted by position, and can instantly switch modes between excavation and demolition applications.

The electric-hydraulic hybrid drive device operates with extremely low noise and zero exhaust emissions. Its design exceeds the environmental protection requirements for underground hard rock mining and precious metal extraction operations.

                                                  Hot-selling rock crusher for coal mines

Project Unit STP-100 STP-140
Weight T 7 10
Overall dimensions - (length × width × height) millimeter 4600 * 1640 * 2650 6200 * 1850 * 3350
Breaking capacity Cubic meters per hour 0 - 10 0 - 20
Minimum turning radius millimeter 3000 3500
Climbing ability ° ≤18 (Hard ground) ≤18 (Hard ground)
Driving speed Meters per minute Maximum: 3.1
Minimum: 2
Maximum: 3.1
Minimum: 2
Ground clearance millimeter 200 300
Nominal work pressure Megapascal Twenty-five Twenty-five
Motor power Kilowatt 45/55 75/90
Breaking hammer
85/100 125/140
Applicable cross-section -(Width × height) meter 3 x 3 or higher 4.5 x 4.5 or higher
Fracture width millimeter ≥4500 ≥6500
Braking distance millimeter ≥2900 ≥3500
Fracture height millimeter ≥4000 ≥5500
Crushing depth millimeter ≥1500 ≥1900
Maximum rotation Angle ° + 40 Plus or minus 45


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