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Henan San Kuang Machinery Technology Co., Ltd., established in 2014 with a factory spanning 10,000-30,000 square meters and an annual export value of US$2.5-5 million, proudly presents our premium Gear Ring Module M2-M8 Outer Diameter 100-500mm Carburized Quenched Hardened series. As a trusted manufacturer with ISO9001, ISO14000, and other certifications, we deliver high-precision ring gears designed for demanding industrial applications. Our advanced carburizing and quenching process ensures exceptional surface hardness and core toughness, extending service life and reducing maintenance costs for your equipment.
Product Overview
Our gear rings are manufactured from high-quality alloy steel, such as 20CrMnTi or 20CrMo, and undergo a controlled carburizing, quenching, and hardening heat treatment. This results in a wear-resistant surface with a hardness of HRC 58-62 while maintaining a ductile core for shock absorption. The module range from M2 to M8 and outer diameter from 100 to 500 mm make these rings suitable for a wide variety of gearbox and transmission systems.
Key Features & Benefits
- High Precision: CNC machining and strict quality control ensure tooth profile accuracy to ISO 6-8 grade, enabling smooth and quiet operation.
- Superior Wear Resistance: Carburized layer depth of 0.8-1.5 mm (customizable) provides excellent resistance to abrasion and pitting.
- Core Toughness: Quenching and tempering process retains a tough core to withstand heavy loads and impact.
- Customizable Dimensions: Outer diameter, inner diameter, thickness, and tooth parameters can be tailored to your specific requirements.
- Consistent Quality: 100% dimensional inspection and hardness testing prior to shipment.
- Cost-Effective: Our efficient production scale and experienced workforce (51-100 employees) offer competitive pricing without compromising quality.
Technical Specifications
| Parameter | Value |
|---|---|
| Module (M) | 2 – 8 |
| Outer Diameter (OD) | 100 – 500 mm |
| Inner Diameter (ID) | Customizable (e.g., 50 – 400 mm) |
| Face Width | 20 – 150 mm (customizable) |
| Material | 20CrMnTi, 20CrMo, 40Cr, or equivalent |
| Heat Treatment | Carburizing → Quenching → Tempering |
| Surface Hardness | HRC 58 – 62 |
| Core Hardness | HRC 30 – 40 |
| Effective Carburizing Depth | 0.8 – 1.5 mm (adjustable) |
| Tooth Profile Accuracy | DIN 6-8 / ISO 6-8 |
| Surface Treatment | Black oxide, phosphating, or as required |
Why Choose Our Gear Rings?
- Reliable Supply Chain: With 10+ years of manufacturing experience, we ensure stable production and on-time delivery to global markets including North America, Europe, Southeast Asia, and Africa.
- Rigorous Quality Assurance: Our factory holds multiple certifications such as ISO9001, ISO14001, and OHSAS18001. Every gear ring undergoes metallographic analysis, hardness testing, and dimensional verification.
- Custom Engineering Support: Our team of experienced engineers assists in design optimization and material selection to meet your specific application needs.
- Flexible Shipping: We ship from Ports of Shanghai, Lianyungang, Qingdao, and Tianjin, offering FOB, CIF, and other trade terms.
At Henan San Kuang, we have served over 50 countries across 15 major markets, with an annual export value exceeding US$2.5 million. Our gear rings are used in heavy machinery, mining equipment, wind turbines, and automotive transmissions, earning trust from global clients. We invite you to experience our high-quality, durable gear rings that deliver consistent performance in the most demanding environments.
Contact us today to discuss your requirements or request a quotation. Our team is ready to provide a tailored solution for your application.
Frequently Asked Questions (FAQ)
Q1: What materials are used for these gear rings?
A: We typically use alloy steels such as 20CrMnTi, 20CrMo, or 40Cr. If you require a specific material grade, we can customize it according to your standards.
Q2: What is the minimum order quantity (MOQ)?
A: MOQ depends on the size and complexity. For standard sizes, MOQ is typically 10 pieces. For custom designs, please contact us for a detailed quote.
Q3: Can you provide samples before bulk order?
A: Yes, we can produce samples for your evaluation. Sample cost and lead time depend on the specifications. Sample fees are usually refundable for mass orders.
Q4: What is the typical lead time for production?
A: For standard sizes, lead time is 15-20 working days after deposit. Custom orders may require 25-35 working days depending on complexity.
Q5: Do you offer heat treatment options other than carburizing?
A: Yes, we can also provide induction hardening, nitriding, or through-hardening based on your application requirements. Please specify your needs.
Q6: How do you ensure the quality of the gear rings?
A: We follow a strict quality control process: incoming material inspection, in-process checks, and final inspection including tooth profile measurement, hardness test, and magnetic particle inspection (if required).
Q7: What are the packaging and shipping methods?
A: Each gear ring is individually wrapped with anti-rust paper and packed in wooden crates or cartons suitable for sea or air freight. We can also arrange special packaging per your request.
Q8: Can you produce gear rings with non-standard tooth profiles?
A: Absolutely. We specialize in custom manufacturing. Send us your drawings or specifications, and our engineers will provide a solution.
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