Zibo Najie International Trade Co.,Ltd.
                                                                                                           
Verified Supplier
1 Years
Since 2025
Menu

Coal Mining Machinery Gearbox with IP67 Protection High Power Density and Compact Design for Shearer and Roadheader

Price Negotiable
Price: US$140.55-14055.41 per unit
MOQ: 1 unit
Delivery Time: 30-60 working days
Product Description
Coal Mining Machinery IP67 High Precision Gearbox
High Power Density & Compact Design for Underground Mining Applications
The dedicated high-precision gearbox for coal mining machinery serves as the core transmission component in shearers, roadheaders, and other underground mining equipment. Engineered to operate in extreme conditions including confined spaces, heavy loads, impacts, high temperatures, humidity, dust, and explosive gas environments.
Product Advantages
  • Extremely High Power Density & Compactness: Optimized design delivers maximum power and torque transmission within minimal space constraints
  • Exceptional Reliability & Durability: High-strength alloy steel components with precision carburizing, quenching, and grinding processes
  • Superior Overload & Impact Resistance: Reinforced construction handles severe shocks and vibrations during coal and rock cutting operations
  • Efficient Heat Dissipation: Advanced cooling systems with spiral water channels and external coolers maintain optimal thermal balance
  • Extreme Sealing Reliability: Multi-type seal combinations prevent coal dust ingress and lubricant leakage in harsh environments
  • Stringent Explosion-Proof Safety: Complies with GB, ATEX, and IECEx standards for underground coal mine operations
  • Low Noise & High Precision: ISO Grade 5-6 gear accuracy ensures smooth operation and reduced noise levels
  • Modular Maintenance Design: Easy replacement of wear components minimizes downtime in challenging underground conditions
Technical Specifications
Parameter Specification
Power Range From tens of kW to over 1000 kW
Output Torque High torque capacity matching cutting drum requirements
Ratio Range Large ratios tailored to functional needs
Transmission Efficiency >96% (single stage)
Design Standards GB, MT, ISO, DIN with MA Certification
Protection Grade IP67 (Dust-tight and immersion protected)
Cooling Methods Internal water cooling, forced oil circulation, natural cooling
Duty Cycle S1 continuous duty with shock load capability
Application Areas
  • Shearers: Cutting transmission reducer and traction transmission reducer systems
  • Roadheaders: Cutting head rotation drives for tunnel driving operations
  • Continuous Miners: Combined cutting and loading functions
  • Plow Systems: Plow unit drive mechanisms
  • Armored Face Conveyors: Drive units for heavy-duty AFC head and tail ends

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Zibo Najie International Trade Co.,Ltd.
Location No. 73, Beishan Road, Boshan District Zibo City, Shandong Province China
Contact Person Su

Request A Quote

Please check your email address.
Your message must be at least 20 characters.