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Help CenterCustom Large Gear Ring for Cement Rotary Kiln – 4140 Alloy Steel, Oven Tempered, 1500mm OD, Full Traceability
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Henan San Kuang Machinery Technology Co., Ltd., established in 2014 with a factory spanning 10,000–30,000 square meters, proudly presents our Custom Large Gear Ring for Cement Rotary Kiln. Crafted from premium 4140 Alloy Steel and subjected to rigorous oven tempering, this gear ring boasts a 1500mm outer diameter and full traceability from raw material to final product. Our commitment to precision engineering and heat treatment excellence ensures exceptional durability and performance under the demanding conditions of cement rotary kilns. Whether you need a standard design or a fully customized solution, we deliver reliability that keeps your production running smoothly.
This gear ring is manufactured using state-of-the-art processes that guarantee consistent hardness, wear resistance, and dimensional accuracy. The 4140 alloy steel provides an ideal balance of toughness and strength, while the oven tempering process refines the microstructure to eliminate internal stresses and enhance fatigue life. Full traceability is maintained through every step—from material certification to machining records and heat treatment logs—ensuring complete accountability and quality assurance.
Key Features & Technical Specifications
- Material Excellence: 4140 alloy steel (AISI/SAE 4140) with controlled chemical composition for superior hardenability and impact resistance.
- Oven Tempering: Precision heat treatment in computer-controlled ovens to achieve targeted hardness (typically 28–32 HRC) and eliminate residual stresses.
- Large Diameter: 1500mm outer diameter (customizable up to 5000mm upon request) to fit major rotary kiln designs.
- Full Traceability: Each gear ring is assigned a unique serial number; material certificates, heat treatment charts, and dimensional inspection reports are archived for your reference.
- Customizable Tooth Profile: We can machine standard involute, cycloidal, or custom tooth profiles to match your existing drive system.
- Precision Machining: CNC gear hobbing and grinding ensure tooth accuracy to AGMA Q9–Q10 or DIN 7–8 standards.
- Surface Treatment Options: Black oxide, phosphating, or shot blasting available for corrosion protection.
- Versatile Application: Designed for cement rotary kilns, but also suitable for ball mills, dryers, and other heavy-duty rotating equipment.
| Parameter | Specification |
|---|---|
| Material | AISI 4140 Alloy Steel |
| Outer Diameter | 1500 mm (customizable) |
| Heat Treatment | Oven Tempered (28–32 HRC typical) |
| Tooth Profile | Involute (standard) / Custom |
| Module | 10–50 (customizable) |
| Number of Teeth | As per design (customizable) |
| Accuracy Grade | AGMA Q9 / DIN 7 |
| Traceability | Full (material to final inspection) |
Benefits to Your Operation: By choosing our custom large gear ring, you gain a component that withstands high torque, thermal cycling, and abrasive environments typical in cement production. The oven-tempered 4140 steel reduces the risk of cracking and premature wear, extending service life and lowering maintenance costs. Full traceability provides peace of mind for quality audits and lifecycle management. Our customization capability means we can match existing gear dimensions or optimize tooth geometry for improved load distribution, reducing noise and vibration.
We also offer complementary services such as gear ring installation guidance, on-site measurement, and reverse engineering for obsolete parts. Our team of engineers works closely with clients to ensure the gear ring integrates seamlessly with their kiln drive system, resulting in enhanced operational efficiency.
Trust & Credibility
Henan San Kuang Machinery Technology Co., Ltd. has been a reliable partner in the heavy machinery industry since 2014. With a factory area of 10,000–30,000 square meters, a dedicated team of 51–100 employees, and an annual export value of US$2.5–5 million, we have the capacity and expertise to deliver large-scale precision components. Our products are shipped to major ports including Shanghai, Qingdao, Tianjin, and Lianyungang, serving markets across North America, South America, Europe, Asia, Africa, and Oceania. We are committed to quality management systems, holding certifications such as ISO9001, ISO14000, and others (details available upon request). Every gear ring we produce reflects our dedication to craftsmanship, continuous improvement, and customer satisfaction.
We invite you to experience the durability and precision of our custom large gear ring. Contact our sales team today to discuss your specific requirements, request a quote, or schedule a factory visit. Let us help you optimize your rotary kiln performance with a gear ring that sets the standard for reliability.
Frequently Asked Questions
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Q: What is the typical lead time for a custom large gear ring?
A: Lead time depends on complexity and quantity. For a standard 1500mm OD gear ring with oven tempering, typical production is 45–60 days. Custom designs may require additional engineering time. Please contact us for a precise schedule. -
Q: Can you provide material certificates and heat treatment reports?
A: Yes. Full traceability includes material certificates (mill test reports), heat treatment charts, and dimensional inspection reports. All documents are archived and can be provided with each shipment. -
Q: What is the maximum outer diameter you can manufacture?
A: Our current machining capacity accommodates gear rings up to 5000mm OD. For larger sizes, please consult our engineering team for feasibility studies. -
Q: Do you offer on-site installation support?
A: Yes, we can provide technical guidance for installation, including alignment checks and bolt torque specifications. On-site supervision is available as an optional service. -
Q: How do you ensure the gear ring matches my existing pinion?
A: We can reverse engineer your existing gear or pinion from physical samples, drawings, or 3D scans. Alternatively, you can provide your design parameters, and we will manufacture to your exact specifications. -
Q: What surface treatments are available for corrosion protection?
A: Options include black oxide, phosphating, shot blasting, and painting. We can also apply specialized coatings (e.g., hard chrome or thermal spray) upon request. Please specify your environmental conditions. -
Q: Is the gear ring suitable for high-temperature environments?
A: 4140 alloy steel with oven tempering maintains its mechanical properties up to approximately 400°C (752°F). For kiln applications with higher temperatures, we can recommend alternative materials or heat treatments. -
Q: What is your minimum order quantity (MOQ)?
A: MOQ for custom gear rings is typically 1 piece. However, pricing may be more favorable for multiple units. We welcome both single and bulk orders.
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