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Henan San Kuang Machinery Technology Co., Ltd. is a professional manufacturer specializing in large-scale heavy machinery components. Our Rotary Kiln Girth Gear for Cement Clinker Production Line with 20MW Power Transmission is engineered to deliver exceptional durability and precise torque transmission for the most demanding cement production environments. Crafted from high-grade alloy steel and subjected to rigorous heat treatment, this girth gear ensures long service life and minimal downtime, directly contributing to higher production efficiency. With our factory spanning 10,000-30,000 square meters and a dedicated team of 51-100 skilled employees, we guarantee reliable quality and on-time delivery.
This girth gear is specifically designed to match the heavy-duty rotary kiln systems used in cement clinker production lines. Capable of handling up to 20MW of power transmission, it is ideal for large-scale cement plants requiring high torque and stable operation. The gear is manufactured with advanced CNC machining and induction hardening processes to ensure precise tooth profiles and exceptional wear resistance. Below you will find detailed technical specifications and key features.
Key Features & Technical Specifications
- High Strength Alloy Steel: Made from materials like 42CrMo or 35CrMo, offering excellent tensile strength and fatigue resistance.
- Precision Machining: Gear teeth are cut to ISO 8-10 grade accuracy, ensuring smooth meshing and low noise operation.
- Advanced Heat Treatment: Quenching and tempering followed by surface hardening (e.g., induction hardening) to achieve a hard wearing surface while maintaining a tough core.
- Customizable Dimensions: Outer diameter up to 12 meters, module from 20 to 50 mm, and tooth count tailored to your kiln design.
- 20MW Power Capacity: Designed to transmit up to 20 megawatts of power, suitable for large-scale cement clinker production lines.
- Rigorous Quality Control: Every gear undergoes non-destructive testing (UT, MT) and dimensional inspection to meet international standards.
- Segmented or Single-Piece Design: Available in split segments for easy installation and maintenance, or as a single-piece ring for maximum integrity.
| Parameter | Specification |
| Max Outer Diameter | 12,000 mm |
| Module Range | 20 – 50 mm |
| Power Transmission | Up to 20 MW |
| Material Grades | 42CrMo, 35CrMo, or equivalent |
| Hardness (Surface) | HRC 50-55 (after hardening) |
| Heat Treatment | Quenching + Tempering + Induction Hardening |
| Machining Tolerance | ISO 8 – 10 grade |
| Application | Cement clinker rotary kiln, also suitable for mining mills |
Our girth gears are designed with the customer's operational efficiency in mind. The large diameter and robust tooth profile ensure stable power transmission even under high thermal loads typical of cement kilns. By choosing our product, you benefit from reduced maintenance frequency, lower spare parts consumption, and extended equipment life. Additionally, we offer flexible customization options — including segmented designs for easy installation — to fit your existing kiln structure without major modifications.
Trust & Reliability
Henan San Kuang Machinery Technology Co., Ltd. has been operating since 2022, yet our team brings decades of combined experience in heavy machinery manufacturing. Our factory is equipped with state-of-the-art large-scale machining centers and heat treatment facilities. We have obtained multiple certifications including ISO9001, ISO14000, ISO10441, OHSAS18001, and others, reflecting our commitment to quality, environment, and safety. Our annual export value ranges from US$2.5 Million to US$5 Million, serving markets across North America, South America, Europe, Southeast Asia, Africa, and Oceania. We ship through major ports such as Shanghai, Lianyungang, Qingdao, and Tianjin, ensuring timely delivery worldwide.
We understand that a girth gear failure can cause catastrophic production stoppage. That's why we implement strict quality control at every stage — from raw material sourcing to final inspection. Each gear is tested for dimensional accuracy, hardness, and crack detection. We also provide a detailed inspection report and can arrange third-party verification upon request. With our competitive pricing and reliable after-sales support, we are the trusted partner for cement plants seeking high-performance rotary kiln components.
Contact us today to discuss your specific requirements. Our engineering team will assist you in selecting the optimal girth gear design for your 20MW cement clinker production line. We offer custom solutions, fast lead times, and global shipping. Let’s drive your production forward with precision and durability.
Frequently Asked Questions (FAQ)
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Q: What materials are used for your rotary kiln girth gear?
A: We primarily use high-strength alloy steels such as 42CrMo and 35CrMo, which provide excellent toughness and wear resistance. The material can be customized based on your specific operating conditions. -
Q: Can you manufacture a girth gear with a diameter larger than 12 meters?
A: Yes, our manufacturing capabilities allow for diameters up to 14 meters upon request. However, for diameters exceeding 12 meters, segmented designs are recommended to facilitate transportation and installation. -
Q: How do you ensure the gear teeth mesh properly with the pinion?
A: We use precision CNC gear cutting machines and perform runout tests. The tooth profile is machined to ISO 8-10 grade accuracy. We also provide a matching pinion gear if required, ensuring perfect alignment. -
Q: What is the typical lead time for a custom girth gear?
A: Lead time depends on size and complexity, but generally ranges from 30 to 60 days after design confirmation. For urgent orders, expedited production can be arranged. -
Q: Do you offer installation guidance or on-site supervision?
A: Yes, we provide technical documentation and can dispatch experienced engineers to assist with installation and commissioning. This service is optional and can be quoted separately. -
Q: Is the girth gear designed for both new kilns and retrofitting existing ones?
A: Absolutely. We can design the gear to match your existing kiln’s interface dimensions, bolt patterns, and center distance. We often work with clients to retrofit older kilns with upgraded components. -
Q: What certifications do you have for quality assurance?
A: Our factory is certified under ISO9001, ISO14000, ISO10441, OHSAS18001, and other management systems. We also comply with international standards like AGMA and DIN upon request. -
Q: Can you supply a complete set including pinion, bearing supports, and lubrication system?
A: Yes, we can provide a complete drive system package. Please contact us with your requirements for a comprehensive solution.
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