Large Gear Ring for Rotary Kiln – 42CrMo4, Through-Hardened, HB 280-320, 24 Teeth, 1-Year Warranty
Product Spotlights
Henan San Kuang Machinery Technology Co., Ltd., established in 2014, is a professional manufacturer specializing in heavy-duty industrial gear components. With a factory covering 10,000–30,000 square meters and over 50 skilled employees, we have exported our products to markets across North America, Europe, Asia, Africa, and Oceania. Our Large Gear Ring for Rotary Kiln is crafted from premium 42CrMo4 alloy steel, through-hardened to achieve a consistent hardness of HB 280–320, ensuring exceptional durability and wear resistance in demanding kiln operations. This 24-tooth ring gear is designed to deliver reliable power transmission and long service life, backed by a 1-year warranty.
Key Features and Technical Specifications
- Material Grade: 42CrMo4 – high-strength alloy steel with excellent toughness and fatigue resistance.
- Heat Treatment: Through-hardening process ensures uniform hardness throughout the cross-section, eliminating weak spots.
- Hardness Range: HB 280–320 – optimized for wear resistance while maintaining machinability.
- Teeth Count: 24 teeth, precision-cut to ensure smooth engagement and minimal backlash.
- Application: Specifically designed for rotary kilns in cement, lime, and metallurgical industries.
- Warranty: 1-year comprehensive warranty covering manufacturing defects.
- Customization: Dimensions, tooth profile, and mounting holes can be customized per customer drawings.
- Quality Control: 100% ultrasonic testing and hardness verification before shipment.
| Parameter | Value |
| Material | 42CrMo4 (DIN 1.7225) |
| Hardness (HB) | 280 – 320 |
| Number of Teeth | 24 |
| Heat Treatment | Through-Hardened |
| Outer Diameter | Customizable (up to 8m) |
| Module | Customizable per design |
| Warranty | 1 Year |
Advantages for Your Rotary Kiln Operation
- Enhanced wear resistance reduces downtime for gear replacement.
- Uniform hardness prevents premature failure under high torque and thermal stress.
- Precision machining ensures smooth meshing with pinion, lowering vibration and noise.
- Customizable design fits existing kiln systems without modification.
- Rigorous quality inspection guarantees consistent performance in harsh environments.
Trusted by Global Clients – Our factory in Luoyang, Henan, China, has served clients in over 15 countries, with annual export values exceeding US$2.5 million. We hold certifications including ISO9001, ISO14001, OHSAS18001, and many others, reflecting our commitment to quality and safety. Each Large Gear Ring is shipped from major ports like Shanghai, Qingdao, and Tianjin, with fast lead times. We stand behind our product with a 1-year warranty and responsive after-sales support. Contact us today to discuss your specific rotary kiln gear requirements – we are ready to deliver a reliable solution.
Frequently Asked Questions
- What is the typical lead time for this gear ring? – Standard lead time is 45–60 days after confirmation of technical drawings. Custom orders may require additional time.
- Can you provide gear rings with different tooth counts or modules? – Yes, we can customize the number of teeth, module, and outer diameter according to your kiln design.
- Is the hardness HB 280–320 suitable for high-temperature kiln environments? – Yes, the through-hardened 42CrMo4 retains its mechanical properties at elevated temperatures typical of rotary kiln operations.
- Do you offer surface hardening (case hardening) as an alternative? – We can provide induction hardening or carburizing upon request, but the standard product is through-hardened for uniform wear.
- What testing is performed before shipment? – Each gear ring undergoes ultrasonic flaw detection, hardness testing, dimensional inspection, and magnetic particle inspection.
- How do you ensure the gear ring fits my existing pinion? – We require your pinion specifications or a detailed drawing to ensure proper meshing and backlash.
- What is the warranty coverage? – The 1-year warranty covers any manufacturing defects in material or workmanship. Normal wear and tear are excluded.
- Can you provide installation guidance? – Yes, we offer technical documentation and remote support for installation and alignment.
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