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Help CenterInduction Hardened Split Gear Ring, 45 Steel, Surface Hardness HRC 50-55, 30 Teeth, 8 Module
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Henan San Kuang Machinery Technology Co., Ltd. proudly presents our Induction Hardened Split Gear Ring, precision-engineered from high-quality 45 Steel (C45) to deliver exceptional durability and performance in demanding industrial applications. With a surface hardness of HRC 50-55, 30 teeth, and an 8 module design, this split gear ring is an ideal replacement or upgrade component for heavy machinery, mining equipment, and power transmission systems. Our factory, spanning 10,000–30,000 square meters, utilizes advanced CNC machining and induction hardening technology to ensure consistent quality and tight tolerances. Backed by over a decade of experience (since 2014) and a team of 51–100 skilled professionals, we offer reliable split gear rings that meet international standards.
The split configuration allows for easy installation and maintenance without dismantling entire assemblies, reducing downtime and labor costs. Each gear ring undergoes rigorous quality control, including hardness testing and dimensional inspection, to guarantee long service life even under high load and shock conditions. Below, we detail the key features and specifications that set our product apart.
Key Features & Benefits
- Premium Material: Made from 45 Steel (C45) – a medium carbon steel known for its excellent strength, wear resistance, and machinability. Suitable for heavy-duty applications.
- Induction Hardened Surface: Achieves a surface hardness of HRC 50–55, providing superior resistance to wear, pitting, and fatigue. The core remains tough and ductile to absorb shocks.
- Split Design: The gear ring is manufactured in two halves (or multiple segments) with precision-machined mating surfaces, allowing easy assembly around shafts or flanges. Ideal for retrofitting or maintenance where full disassembly is impractical.
- Precise Tooth Profile: 30 teeth with an 8 module (metric) ensure smooth engagement and accurate torque transmission. Each tooth is cut to high accuracy (DIN/ISO quality grade 8–9) to minimize noise and vibration.
- Versatile Application: Suitable for use in cement mills, rotary kilns, excavators, crushers, wind turbines, and other heavy rotating equipment. Can be customized to match existing bolt patterns or keyways.
- Customizable Options: Available in different hardness levels, tooth counts, modules, and materials (e.g., 40Cr, 42CrMo) upon request. We also offer additional heat treatments like nitriding or carburizing.
Technical Specifications
| Parameter | Value |
| Material | 45 Steel (C45) / Equivalent AISI 1045 |
| Number of Teeth | 30 |
| Module | 8 |
| Surface Hardness | HRC 50–55 (Induction Hardened) |
| Core Hardness | Approx. HB 250–300 (As-quenched & tempered) |
| Hardening Depth (Effective) | 1.5–3.0 mm (customizable) |
| Tooth Finish | Milled or Hobbing, optional grinding |
| Max Outer Diameter | Approx. 256 mm (based on 30 teeth, module 8) |
| Mounting Type | Split segments bolted together (custom bolt pattern) |
| Weight (approx.) | Depends on ring width; consult factory |
Why choose our split gear rings? The combination of induction hardening and split design offers a unique advantage: the hardened surface withstands abrasive wear while the tough core absorbs impact loads. This extends the gear ring's service life by 2–3 times compared to unhardened alternatives. Additionally, the split construction simplifies maintenance and reduces replacement costs – a critical factor for industries like mining and cement where downtime is expensive.
All products are manufactured under strict quality management systems (ISO 9001, ISO 14000, OHSAS 18001, etc.) and inspected by our experienced QC team. We can also provide material certificates, hardness test reports, and dimensional inspection reports upon request. Our annual export value of US$2.5–5 million reflects our global reach, and we ship to major ports worldwide including Shanghai, Lianyungang, Qingdao, and Tianjin.
Trust & Reliability
Since 2014, Henan San Kuang Machinery Technology Co., Ltd. has been a trusted partner for heavy machinery components across North America, South America, Europe, Southeast Asia, Africa, and Oceania. Our factory covers 10,000–30,000 m² with advanced equipment and a skilled workforce of 51–100. We are committed to on-time delivery, competitive pricing, and responsive customer service. When you choose our induction hardened split gear ring, you choose a product built to last and backed by a company that values quality above all.
Contact us today to discuss your specific requirements or request a quotation. We can customize the gear ring to your exact dimensions, hardness, and tooth geometry. Let us help you keep your machinery running smoothly and efficiently.
Frequently Asked Questions
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Q: What is the difference between a split gear ring and a solid gear ring?
A: A split gear ring is manufactured in two or more segments that can be bolted together around a shaft, making installation and replacement easier without removing the entire shaft or dismantling adjacent components. Solid gear rings require full disassembly, which is more time-consuming. -
Q: Can the gear ring be supplied without induction hardening?
A: Yes, we can supply the gear ring in a normalized or quenched and tempered condition as per your requirements. However, induction hardening is recommended for applications requiring high surface wear resistance. -
Q: What is the typical lead time for custom orders?
A: For standard sizes (like 30 teeth, module 8), lead time is approximately 30–45 days after order confirmation. Custom sizes and hardening depths may require 45–60 days depending on complexity. -
Q: Do you provide installation instructions or technical support?
A: Absolutely. We provide assembly drawings, torque specifications for bolts, and installation guidelines. Our engineers are available for online support or on-site service if needed. -
Q: What is the maximum operating temperature for this gear ring?
A: The 45 steel material can operate continuously up to 300°C (572°F) without significant loss of hardness. For higher temperature applications, we recommend alloy steel like 42CrMo. -
Q: Can the gear ring be supplied with a keyway or other mounting features?
A: Yes, we can machine keyways, dowel pin holes, or any other mounting features as per your drawing. Please provide your specific requirements. -
Q: How do you ensure the two halves align perfectly?
A: The mating surfaces are machined with precision alignment features (e.g., dowel pins or stepped joints) and bolted together with specified torque. We also offer optional match-marking for easy assembly. -
Q: What quality certificates do you provide?
A: We can provide Material Test Certificate (MTC), hardness test report, dimensional inspection report, and heat treatment records. Our quality management system is ISO 9001 certified.
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