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Help CenterLarge Diameter Split Internal Gear Ring AGMA Standard Heavy Duty Industrial Ring Gear
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Henan San Kuang Machinery Technology Co., Ltd., established in 2014 and located in Luoyang, Henan, China, is a professional manufacturer specializing in large-diameter custom gears. With a factory size of 10,000–30,000 square meters and an annual export value of US$2.5–5 million, we have served clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our Large Diameter Split Internal Gear Ring, manufactured to AGMA standards, is designed for heavy-duty industrial applications where reliability, precision, and ease of maintenance are critical. The split (segmented) design allows for simple assembly and disassembly in confined spaces, making it an ideal solution for large gearboxes, kilns, mills, and other heavy machinery.
Key Features & Technical Specifications
Large Diameter Capability: Our production capacity supports ring gears up to 6000 mm in outer diameter (customizable per your requirements).
Split (Segmented) Design: The gear ring is divided into two or more segments, connected by high-strength bolts. This simplifies installation, reduces downtime, and allows for easy replacement of individual segments without full disassembly.
AGMA Standard Compliance: Manufactured to meet AGMA quality levels from 8 to 14 (or higher upon request), ensuring smooth operation, low noise, and long service life.
Material Options: We offer a range of materials including 42CrMo, 40Cr, 35CrMo, 20CrMnTi, and other alloy steels, with heat treatment options such as carburizing, induction hardening, and nitriding for enhanced wear resistance.
Precision Machining: Advanced CNC gear hobbing and grinding equipment ensures tooth profile accuracy and surface finish consistent with AGMA standards.
Heavy-Duty Durability: Designed for high torque and shock loads, commonly used in mining, cement, power generation, and heavy industrial equipment.
Customization: Module, number of teeth, face width, bore, and mounting holes can all be tailored to your specific application.
| Parameter | Typical Range / Specification |
|---|---|
| Outer Diameter | 1000 – 6000 mm (customizable) |
| Module | 10 – 50 (customizable) |
| Number of Segments | 2 – 6 (depending on diameter) |
| Accuracy Grade | AGMA 8 – 14 |
| Hardness | HRC 50–62 (after carburizing) |
| Surface Finish | Ra ≤ 1.6 μm (grinding optional) |
Benefits to Your Operation
Reduced Downtime: With split construction, you don't need to remove the entire shaft or housing to replace the ring gear – just the affected segment.
Lower Maintenance Costs: Individual segment replacement saves on material and labor costs compared to a one-piece ring gear.
Enhanced Reliability: Strict quality control at every stage – from raw material inspection to final gear testing – ensures consistent performance and long service life.
Global Compliance: Our gears meet international standards including AGMA, and we can also provide DIN or ISO equivalents upon request.
Tailored Solutions: Our engineering team works closely with clients to optimize the gear design for specific loads, speeds, and environmental conditions.
Trust & Quality Assurance
Henan San Kuang Machinery Technology Co., Ltd. operates a modern manufacturing facility covering 10,000–30,000 square meters with a dedicated team of 51–100 skilled professionals. We have exported to over 20 countries and regions, with an annual export value exceeding US$2.5 million. Our quality management system is certified to international standards including ISO9001, ISO14000, OHSAS18001, and others (full list available upon request). Each Large Diameter Split Internal Gear Ring undergoes rigorous dimensional inspection, hardness testing, and magnetic particle or ultrasonic flaw detection before shipment. We also offer a comprehensive warranty and after-sales technical support. Contact us today to discuss your custom gear requirements – we are ready to provide a competitive solution with fast lead times.
Frequently Asked Questions (FAQ)
What is the maximum diameter you can manufacture for a split internal gear ring?
We can produce outer diameters up to 6000 mm. Larger diameters may be possible with segmented designs – please inquire with your specific dimensions.What materials do you typically use for heavy-duty ring gears?
Common materials include 42CrMo, 40Cr, 35CrMo, and 20CrMnTi. We can also use special alloys upon request. Heat treatment is tailored to achieve desired hardness and toughness.Can you provide gears that meet AGMA 14 or higher accuracy?
Yes, AGMA 14 is achievable with our CNC grinding capabilities. Please specify your required accuracy during inquiry.How long is the typical lead time for a custom split ring gear?
Lead time depends on size, complexity, and current workload. Typically, it ranges from 30 to 90 days. Rush orders may be possible.Do you offer surface treatments like carburizing or nitriding?
Yes, we offer carburizing, induction hardening, and nitriding as standard options. We can also perform black oxide or phosphating for corrosion resistance.How is the split joint designed to maintain strength?
The segments are joined using high-tensile bolts with precise alignment features (e.g., dowel pins) to ensure load sharing and prevent misalignment. Finite element analysis is used to optimize joint design.Can you provide samples before mass production?
Yes, we can produce single samples or small pilot runs for testing. Additional charges may apply for tooling and setup.What are the shipping ports you use?
We ship from major ports including Shanghai, Lianyungang, Qingdao, and Tianjin. We can arrange sea, air, or land freight according to your preference.
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