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Help CenterRotary Kiln Girth Gear for Cement Production Line, 2.5m Diameter, 20-Year Service Life
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We are Henan San Kuang Machinery Technology Co., Ltd., a professional manufacturer specializing in heavy-duty transmission components for industrial applications. Our rotary kiln girth gear is specifically engineered for cement production lines, offering a 2.5m diameter and a robust 20-year service life. This product is manufactured using high-quality alloy steel and advanced heat treatment processes, ensuring exceptional reliability and durability in the most demanding environments. With our factory located in Luoyang, Henan, a major industrial hub in China, we leverage decades of local expertise and a modern production facility spanning 10,000-30,000 square meters to deliver precision gears that meet global standards.
The girth gear is a critical component in rotary kiln systems, transmitting torque from the drive unit to the kiln shell. Our design focuses on minimizing vibration, reducing noise, and maximizing power transmission efficiency. Below are the key features and technical specifications:
- High-strength alloy steel: Made from 42CrMo or equivalent materials, offering excellent wear resistance, toughness, and fatigue strength.
- Precision machining: CNC gear hobbing and grinding ensure tooth profile accuracy up to Class 8-9 per ISO 1328, resulting in smooth meshing and low operating noise.
- Heat treatment: Carburizing and quenching create a hard case (HRC 58-62) and a tough core (HB 220-280), significantly extending service life.
- Customizable design: Module, number of teeth, tooth profile, and bore dimensions can be tailored to match your specific kiln specifications.
- Rigorous quality control: Each gear undergoes magnetic particle inspection, ultrasonic testing, and dimensional verification to ensure zero defects.
- Long service life: With proper lubrication and maintenance, the gear can operate reliably for 20 years, reducing total cost of ownership.
| Parameter | Specification |
| Diameter | 2.5 m |
| Module | 20-30 (customizable) |
| Number of Teeth | Customizable |
| Material | 42CrMo / 35CrMo |
| Surface Hardness | HRC 58-62 |
| Core Hardness | HB 220-280 |
| Precision Grade | Class 8-9 (ISO 1328) |
| Weight (approx.) | 10-20 tons |
The advantages of choosing our girth gear include:
- Reduced downtime: The 20-year service life minimizes replacement frequency, keeping your production line running smoothly.
- Energy efficiency: Precision machining reduces friction, lowering power consumption by up to 5% compared to standard gears.
- Easy installation: We provide detailed mounting instructions and optional on-site technical support to ensure proper alignment.
- Global compatibility: Our gears are designed to fit major kiln brands and can be adapted to both new and existing systems.
As a trusted manufacturer with annual export value of US$2.5-5 million, we have supplied gears to clients across North America, South America, Europe, Southeast Asia, Africa, and Oceania. Our factory is ISO9001 certified, and we adhere to strict quality management systems. Each gear is accompanied by a material test report, heat treatment record, and dimensional inspection certificate. We are committed to delivering products that meet your exact requirements. Contact us today for a customized solution or a detailed quotation. Our team of engineers is ready to assist you with technical specifications and after-sales support.
FAQ
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What is the typical delivery time for a 2.5m girth gear?
Delivery time depends on the complexity and order quantity. For a standard design, it is usually 60-90 days. We can expedite for urgent orders upon request. -
Can you customize the gear for a different kiln model?
Yes, we can customize the module, tooth profile, bore, and keyway to match your existing kiln. Please provide your original drawings or specifications. -
How do you guarantee the 20-year service life?
We use high-quality alloy steel, precision heat treatment, and strict quality control. The 20-year life is based on normal operating conditions with proper lubrication and maintenance. A warranty is provided. -
What materials are used in your girth gears?
We primarily use 42CrMo, 35CrMo, or equivalent alloy steels. Other materials like 40CrNiMo are available on request. -
Do you provide installation guidance?
Yes, we offer detailed installation manuals and can provide on-site technical support or remote assistance. Our engineers can also supervise installation if needed. -
What is the warranty period?
We offer a standard warranty of 12 months from the date of shipment, covering defects in material and workmanship. Extended warranties are negotiable. -
How do you handle overseas shipping?
We ship from major Chinese ports including Shanghai, Lianyungang, Qingdao, and Tianjin. We use plywood crates or steel frames for secure packaging. Shipping terms can be FOB, CIF, or DAP as agreed. -
Can you provide certificates of material and heat treatment?
Absolutely. Each gear comes with a material test certificate (MTC), heat treatment report, and dimensional inspection report. Third-party inspection is also available upon request.
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