Mining Gearbox for Roller Presses with Ultra High Load Capacity 15-30 Rpm Speed and High Torque Density
Price:
US$140.55-14055.41 per unit
MOQ:
1 unit
Delivery Time:
30-60 working days
Product Description
15-30 Rpm Speed Roller Presses Mining Gearbox Ultra High Load Capacity & Torque Density
Product Overview
The dedicated gearbox for mining equipment roller presses (High-Pressure Grinding Rolls - HPGR) serves as the core power transmission component. Engineered specifically for extreme operating conditions including immense radial pressure, severe shock vibrations, and high-dust environments, this gearbox converts high-speed rotational power from the motor into the low-speed, ultra-high torque power required by counter-rotating rollers to generate tremendous compressive force for crushing and grinding materials like ore and cement clinker.
Key Advantages
- Ultra-High Load Capacity & Torque Density: Planetary gear configuration or parallel shaft + planetary stage combinations provide compact design with high reduction ratio and super-large torque output in limited space
- Exceptional Reliability: Ultra-high-strength alloy steel components and top-tier international brand bearings ensure ultra-long service life under harsh conditions
- Special Bearing Design: Output end utilizes bearing combinations designed to withstand enormous crushing forces
- Robust Shock & Vibration Resistance: Extreme rigidity housing structure and optimized gear teeth profile modifications effectively buffer shocks
- Advanced Lubrication & Sealing System: Independent forced lubrication station with multiple sealing solutions prevents abrasive dust ingress
- Modular & Integrated Design: Compact structure integrating gearbox, fluid coupling, and motor on common base for easy installation
Technical Specifications
| Parameter | Specification |
|---|---|
| Power Range | Several hundred kW to over 3000 kW |
| Output Torque Range | Extremely high, up to millions or tens of thousands of kNm |
| Ratio Range | Typically large, depending on roller diameter and speed requirements |
| Rated Crushing Force | Matched to design, reaching thousands of kN or higher |
| Input Speed | Matched to standard motors (1000/1500 rpm) |
| Output Speed | 15-30 rpm (depending on process requirements) |
| Service Factor | Extremely high (typically > 2.5) for extreme shock loads |
| Design Standards | AGMA, DIN, ISO with rigorous Finite Element Analysis (FEA) |
Industry Applications
- Mining Industry: Ultra-fine crushing of ores in metal mines (gold, silver, copper, iron, diamonds) to increase throughput and reduce energy consumption
- Cement Industry: Finish grinding or pre-grinding of cement clinker, limestone, and slag for significant energy savings
- Metallurgical Industry: Raw material preparation for pelletizing production
- Other Industries: Applications involving grinding of high-hardness materials
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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