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China factory - Zibo Najie International Trade Co.,Ltd.

Zibo Najie International Trade Co.,Ltd.

  • China,Zibo ,Shandong
  • Verified Supplier
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  2. High Precision Coal Mining Gearbox>
  3. Coal Mining Machinery Gearbox with IP67 Protection High Power Density and
China Coal Mining Machinery Gearbox with IP67 Protection High Power Density and
China Coal Mining Machinery Gearbox with IP67 Protection High Power Density and

  1. China Coal Mining Machinery Gearbox with IP67 Protection High Power Density and
  2. China Coal Mining Machinery Gearbox with IP67 Protection High Power Density and
  3. China Coal Mining Machinery Gearbox with IP67 Protection High Power Density and
  4. China Coal Mining Machinery Gearbox with IP67 Protection High Power Density and
  5. China Coal Mining Machinery Gearbox with IP67 Protection High Power Density and
  6. China Coal Mining Machinery Gearbox with IP67 Protection High Power Density and

Coal Mining Machinery Gearbox with IP67 Protection High Power Density and

  1. MOQ： 1 unit
  2. Price： US$140.55-14055.41 per unit
  3. Get Latest Price
Packaging Details Standard wooden box
Delivery Time 30-60 working days
Payment Terms L/C
Supply Ability 10 units/day
Design Standards GB, MT , ISO, DIN, MA Certification
Protection Grade At least IP67 (Dust-tight and protected against immersion), often higher.
Cooling Methods Internal water cooling (cooling channels within the housing), forced external oil circulation cooling, natural cooling, etc.
Duty Cycle Typically S1 continuous duty, capable of withstanding frequent starts/stops and heavy shock loads.
Applications Shearer Roadheader Continuous Miner Plow System Coal Mining
Place of Origin Zibo,Shandong Province

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Product Specification

Packaging Details Standard wooden box Delivery Time 30-60 working days
Payment Terms L/C Supply Ability 10 units/day
Design Standards GB, MT , ISO, DIN, MA Certification Protection Grade At least IP67 (Dust-tight and protected against immersion), often higher.
Cooling Methods Internal water cooling (cooling channels within the housing), forced external oil circulation cooling, natural cooling, etc. Duty Cycle Typically S1 continuous duty, capable of withstanding frequent starts/stops and heavy shock loads.
Applications Shearer Roadheader Continuous Miner Plow System Coal Mining Place of Origin Zibo,Shandong Province
High Light ip67 high precision gearbox ，high precision gearbox high power ，coal drive gearbox
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

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Seller

  • Year Established:

    2025

  • Employee Number:

    100~200

  • Ecer Certification：

    Verified Supplier

The company is located in Zibo, a renowned industrial manufacturing city in the beautiful central Shandong region. We specialize in the sales of high-end precision gearboxes, reducers, and related products. Guided by technological innovation, supported by high-end and high-precision equipment, and d... The company is located in Zibo, a renowned industrial manufacturing city in the beautiful central Shandong region. We specialize in the sales of high-end precision gearboxes, reducers, and related products. Guided by technological innovation, supported by high-end and high-precision equipment, and d...

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Get in touch with us

  • Reach Us
  • Zibo Najie International Trade Co.,Ltd.
  • No. 73, Beishan Road, Boshan District Zibo City, Shandong Province China
  • https://www.gearbox-gear.com/

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