China wholesaler Heavy Duty Large Module Chain Wheel, Sprocket, Chain Sprocket for Coal Mine Excavator air compressor for car

Heavy Duty Large Module Chain Wheel, Sprocket, Chain Sprocket for Coal Mine Excavator

China Wholesaler Heavy Duty Large Module Chain Wheel, Sprocket, Chain Sprocket for Coal Mine Excavator

Product Description

Our Heavy Duty Large Module Chain Wheels, Sprockets, and Chain Sprockets are meticulously designed to sustain the rigorous demands of coal mine excavators. With an uncompromising commitment to quality, these components ensure optimal functionality and longevity in harsh mining environments.

Internal Gear Processing

Our comprehensive process includes:

  • Internal Gear Ring drawing CHECK
  • Make Forging Mold
  • Forging Mold Quality Inspection Check
  • Machine Processing
  • Size, Hardness, Surface Finish, and other technical parameters inspection

Inner Gear Package

We ensure the integrity of your gears with:

  • Anti-rust oil spray on large internal girth Gear
  • Waterproof cloth wrapping
  • Customized packaging based on shaft shape and weight, using steel frames, steel supports, or wooden boxes

OEM Customized Large Inner Gear Ring

Our OEM services offer:

  • Custom internal gears with large modules, exceeding 1 ton in weight, and over 3 meters in length
  • Materials such as 42CrMo/35CrMo or other specified requirements

Detailed Photos

Product Parameters

Module m Range: 5~70
Gear Teeth Number z OEM/Customized
Teeth Height H OEM/Customized
Teeth Thickness S OEM/Customized
Tooth pitch P OEM/Customized
Tooth addendum Ha OEM/Customized
Tooth dedendum Hf OEM/Customized
Working height h’ OEM/Customized
Bottom clearance C OEM/Customized
Pressure Angle α OEM/Customized
Helix Angle OEM/Customized
Surface hardness HRC Range: HRC 50~HRC63 (Quenching)
Hardness HB Range: HB150~HB280; Hardening Tempering/ Hardened Tooth Surface
Surface finish Range: Ra1.6~Ra3.2
Tooth surface roughness Ra Range: ≥0.4
Gear Accuracy Grade Grade Range: 5-6-7-8-9 (ISO 1328)
Diameter d Range: >1m
Weight Kg Range: >100kg/ Single Piece
Toothed Portion Shape Internal, Inner Gear Ring
Material Casting 42CrMo/45# Steel or Customized
Gear Teeth Milling
Gear Teeth Grinding
Heat Treatment Quenching /Carburizing
Sand Blasting Null
Testing UT/MT
Application Gearbox, Reducer, etc.
Transport Package Export package (steel frame, wooden box, etc.)
Origin China
HS Code 8483409000

Other Product Businesses

EVER-POWER GROUP is a leader in supplying a comprehensive range of industrial products. We offer agricultural gearboxes, power output shafts, sprockets, fluid couplings, worm gear reducers, gears and racks, roller chains, pulleys and pulleys, planetary gearboxes, timing pulleys, bushings, and much more. We are committed to providing high-quality products at competitive prices and exceptional services. Customization is available with drawings and samples welcomed. Enhance your industrial operations with our robust and reliable products.


What’s the typical processing progress for your products?

We follow detailed steps including drawing checks, forging mold creation, quality inspection, machine processing, and technical parameter inspection.

How do you package your gears for export?

We spray anti-rust oil, wrap the gears in waterproof cloth, and prepare custom packaging using steel frames, supports, or wooden boxes based on the

All the content of the page is from the Internet, the content is only as a reference for product selection, our products are replacement parts and not original spare parts; we are not the holder of the original trademarks of the content, our products are only suitable for after-sales replacement parts and not original spare parts, our replacement parts can be perfectly adapted to the original spare parts; if you need to buy original spare parts, please contact the original factory to buy. If you want to buy original spare parts, please contact the original supplier for purchase.

Performance Characteristics of Large Sprocket


Large sprockets are designed to withstand extreme stress and heavy loads. The robust construction ensures long-lasting performance, minimizing the need for frequent replacements.


Large sprockets offer superior energy transfer efficiency, ensuring minimal power loss during operation. This leads to optimized performance in various mechanical systems.


Engineered with high precision, large sprockets ensure accurate synchronization of chain movements, which is critical for the smooth operation of machinery.


Large sprockets are available in various sizes and configurations, making them adaptable to different types of machinery and applications.

Types and Characteristics of Large Sprockets

Fixed Sprockets

Fixed sprockets are permanently attached to a shaft, providing a stable connection that ensures consistent performance in applications requiring steady power transmission.

Detachable Sprockets

Detachable sprockets are designed for easy removal and replacement, making maintenance and repair processes more convenient.

Split Sprockets

Split sprockets are engineered to be split into two or more parts, allowing for assembly and disassembly without dismantling the entire system.

Advantages of Large Sprockets Made of Different Materials

Steel Sprockets

Steel sprockets are known for their exceptional strength and durability, making them ideal for heavy-duty applications.

Aluminum Sprockets

Aluminum sprockets are lightweight and resistant to corrosion, which makes them suitable for applications where weight and environmental factors are crucial.

Plastic Sprockets

Plastic sprockets are cost-effective and provide good resistance to wear and tear, making them an excellent choice for less demanding applications.

Applications of Large Sprockets

Manufacturing and Industrial Machinery

Large sprockets play a vital role in manufacturing and industrial machinery, ensuring efficient power transmission and enhancing the productivity of conveyor systems and other mechanical processes.

Agricultural Machinery

In agricultural machinery, large sprockets are essential for the functioning of tractors, harvesters, and other equipment, facilitating smooth operation and efficient transfer of power.

Construction Equipment

Construction equipment such as cranes, excavators, and bulldozers rely on large sprockets for reliable power transmission, ensuring the effective performance of these heavy machines.

Marine Applications

Large sprockets are used in marine applications to drive various components, contributing to the overall efficiency and reliability of marine vessels.

Mining and Quarrying

In the mining and quarrying industry, large sprockets are crucial for the operation of conveyor belts, crushers, and other heavy machinery, enabling the smooth and efficient extraction of resources.

Future Development Trends and Opportunities of Large Sprocket Products

As technology advances, the development of large sprockets is expected to focus on enhancing material properties, improving manufacturing techniques, and increasing the precision of designs. Opportunities for innovation include the integration of smart technologies for real-time monitoring and maintenance, as well as the development of eco-friendly materials to reduce environmental impact.

Suggestions and Outlook: Choosing a Suitable Large Sprocket

Clear Requirements

Identify the specific requirements of your application, such as load capacity, speed, and environmental conditions.

Material Selection

Choose the appropriate material based on the operating environment and the mechanical demands of your application.

Design Optimization

Ensure that the sprocket design is optimized for maximum efficiency and longevity.

Suppliers and After-Sales Service

Select reliable suppliers who offer comprehensive after-sales support and services.


Evaluate the cost-effectiveness of the sprockets, considering factors such as initial cost, maintenance, and lifecycle.

Quality Control

Implement stringent quality control measures to ensure that the sprockets meet the required standards and specifications.


Large sprockets are indispensable components in various industries, offering durability, efficiency, precision, and adaptability. Understanding the types, materials, and applications of large sprockets can help in making informed decisions. As the industry evolves, advancements in technology and materials will continue to drive innovation, presenting new opportunities for enhanced performance and sustainability. Selecting the right large sprocket involves careful consideration of requirements, material selection, design, and supplier support, ultimately leading to improved operational efficiency and cost-effectiveness.

Author: Dream