Mining Gearbox for Roller Presses with Ultra High Load Capacity 15-30 Rpm Speed

MOQ： 1 unit
Price： US$140.55-14055.41 per unit
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Packaging Details	Standard wooden box
Delivery Time	30-60 working days
Payment Terms	L/C
Supply Ability	10 units/day
Power Range	Very wide, from several hundred kW to over 3000 kW.
Output Torque Range	Extremely high, up to millions or even tens of thousands of kNm.
Ratio Range	Typically large, depending on roller diameter and speed requirements.
Rated Crushing Force	The gearbox design is matched to this force, which can reach thousands of kN or higher.
Input Speed	Matched to standard motors (e.g., 1000/1500 rpm).
Output Speed	Typically within the range of 15-30 rpm, depending on process requirements.
Place of Origin	Zibo,Shandong Province

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Product Details
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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
Power Range	Very wide, from several hundred kW to over 3000 kW.	Output Torque Range	Extremely high, up to millions or even tens of thousands of kNm.
Ratio Range	Typically large, depending on roller diameter and speed requirements.	Rated Crushing Force	The gearbox design is matched to this force, which can reach thousands of kN or higher.
Input Speed	Matched to standard motors (e.g., 1000/1500 rpm).	Output Speed	Typically within the range of 15-30 rpm, depending on process requirements.
Place of Origin	Zibo,Shandong Province
High Light	30 Rpm mining gearbox ，Ultra High Load Capacity mining gearbox ，15 Rpm mining gearbox

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

Company Details

Bronze Gleitlager

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from Quality China Factory

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Business Type:

Manufacturer,Seller 
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Year Established:

2025 
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Employee Number:

100~200 
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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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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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