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Custom Alloy Steel 4140 Carburized Gears for Mining Machinery, AGMA 9 Precision
Product Spotlights
Custom-manufactured Alloy Steel 4140 gears specifically carburized for extreme surface hardness and wear resistance in mining applications. Produced to AGMA Quality 9 precision for smooth, efficient, and reliable power transmission. Full customization available on dimensions and tooth profiles, backed by rigorous quality systems for durable, high-performance gear solutions that reduce downtime and operational costs.
Negotiable
MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Other, Alloy Steel 4140
Application:
Other, Mining Machinery
Heat Treatment:
Carburizing
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Alloy Steel 4140
Application
Other, Mining Machinery
Heat Treatment
Carburizing
Precision Grade
AGMA 9
Customization
Available (Size, Teeth Profile)
Core Hardness
Customizable upon request
Surface Hardness
HRC 58-62 (Typical after carburizing)
Manufacturing Process
Forging, Machining, Heat Treatment, Grinding
As a professional manufacturer specializing in high-performance gear components, Henan San Kuang Machinery Technology Co., Ltd. leverages over a decade of experience since 2014 to deliver Custom Alloy Steel 4140 Carburized Gears engineered for the demanding conditions of mining machinery. Operating from a modern facility spanning 10,000-30,000 square meters, our focus is on providing gear solutions that combine superior strength, exceptional wear resistance, and AGMA 9 precision to ensure reliable power transmission and extended service life in critical mining applications.
Our gears are meticulously crafted from Alloy Steel 4140, a material renowned for its excellent toughness and hardenability. The core of our product's value lies in the specialized carburizing heat treatment process. This technique significantly enhances the surface hardness of the gear teeth to withstand abrasive wear and high contact stresses, while maintaining a tough, ductile core to absorb shock loads and prevent catastrophic failure—a critical requirement for mining operations.
Key Product Features & Technical Advantages:
- Premium Material Selection: Alloy Steel 4140 provides an optimal balance of strength, toughness, and fatigue resistance, making it a preferred choice for heavy-duty gears.
- Advanced Carburizing Process: Achieves a deep, hardened case (typically HRC 58-62) for maximum surface durability, with precise control over case depth to meet specific load requirements.
- High-Precision Manufacturing: Manufactured to AGMA Quality 9 standards, ensuring accurate tooth geometry, minimal noise, and smooth meshing for efficient power transfer.
- Custom-Engineered Designs: We offer full customization on dimensions, number of teeth, pressure angles, and tooth profiles (spur, helical, bevel, etc.) to fit your specific machinery models and operational needs.
- Comprehensive Quality Assurance: Our production is guided by a robust quality management system. Each gear undergoes rigorous inspection for dimensional accuracy, hardness, and metallurgical integrity.
- Enhanced Performance: The combination of material and treatment results in gears with high load-carrying capacity, excellent resistance to pitting and bending fatigue, and reduced maintenance intervals.
Typical Technical Specifications:
| Parameter | Details / Range |
| Base Material | Alloy Steel 4140 (AISI/SAE) |
| Heat Treatment | Carburizing & Tempering |
| Surface Hardness | HRC 58-62 (Customizable) |
| Core Hardness | HRC 30-40 (Typical, customizable) |
| Precision Grade | AGMA 9 (Higher grades available) |
| Gear Type | Spur, Helical, Bevel, Worm, Custom |
| Module / DP Range | Wide range available upon request |
| Finishing | Grinding, Honing (for higher precision) |
Benefits for Your Mining Operations:
- Increased Uptime: Durable gears reduce unplanned failures, keeping your equipment operational and productive.
- Lower Total Cost of Ownership: Extended service life and reduced frequency of replacements lead to significant long-term savings.
- Improved Efficiency: High-precision manufacturing minimizes energy losses due to friction and misalignment.
- Reliability in Harsh Environments: The carburized surface offers superior resistance to the abrasive and high-impact conditions common in mining.
- Technical Partnership: We work closely with clients from design to delivery, ensuring the final product perfectly matches application requirements.
Henan San Kuang Machinery is committed to global standards of manufacturing excellence. Our established quality systems provide a solid foundation for every gear we produce. With an annual export value reflecting our international reach across markets like North America, Europe, and Southeast Asia, we have built a reputation for reliability. Our capability to ship from major ports including Shanghai, Qingdao, and Tianjin ensures efficient logistics. Trust in our expertise to supply the robust, precision-engineered gear components that form the backbone of your mining machinery's drivetrain. Contact us today to discuss your custom gear requirements and experience the difference that specialized manufacturing can make.
Frequently Asked Questions (FAQ)
-
Q: Why is Alloy Steel 4140 recommended for mining gear applications?
A: Alloy Steel 4140 offers an excellent combination of high strength, good toughness, and fatigue resistance. After carburizing, it achieves a hard, wear-resistant surface while retaining a tough core, making it ideal for handling the shock loads and abrasive conditions in mining machinery. -
Q: What does "AGMA 9 Precision" mean for my application?
A: AGMA (American Gear Manufacturers Association) Quality 9 denotes a high level of manufacturing accuracy for gears. It ensures tight tolerances on tooth profile, lead, and pitch, resulting in smoother operation, less noise, higher efficiency, and reduced wear in the gear mesh. -
Q: Can you produce gears to other precision grades or standards?
A: Yes. While AGMA 9 is a standard offering for high-performance applications, we can manufacture gears to other AGMA grades (higher or lower) or to specific international standards like DIN or ISO upon request. -
Q: How does the carburizing process benefit the gear compared to through-hardening?
A: Carburizing creates a gradient in hardness. The surface becomes extremely hard to resist wear and pitting, while the core remains relatively softer and tougher to withstand bending stresses and impact loads. This dual-property characteristic is often more advantageous for gears than a uniformly hard (through-hardened) piece. -
Q: What information do you need from me to provide a custom gear quote?
A: To provide an accurate quote, we typically need detailed drawings (with tolerances), specifications (material grade, hardness requirements, precision grade), quantity, and information about the application (loads, speeds, operating environment). If drawings are unavailable, we can assist with reverse engineering or design. -
Q: What is your typical lead time for custom gears like these?
A: Lead time depends on the complexity, size, and quantity of the order. For standard custom gears, it generally ranges from 4 to 8 weeks. We provide a confirmed timeline upon review of your specifications. -
Q: Do you offer any post-machining services or finishing?
A: Yes. We can provide various finishing operations such as grinding for higher precision, black oxide coating, phosphating, or other surface treatments for corrosion protection as per your requirements. -
Q: How do you ensure quality control during production?
A: Our quality control process includes material certification, in-process inspections during machining and heat treatment, and final inspection using tools like CMMs, gear testers, and hardness testers to verify all parameters meet the specified standards.
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1Yr
Year Established
2014
Factory Size
10,000-30,000 square meters
Annual Export Value
US$2.5 Million - US$5 Million
Total Employees
51 - 100 People
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