Product Introduction
The rotary kiln gear (or ring gear) is a core transmission component in rotary kiln equipment, commonly referred to as the "large gear ring." It meshes with the pinion gear to smoothly transmit the power output from the reducer to the rotary kiln shell, driving it to rotate continuously at low speeds and under heavy loads. As a crucial hub connecting the power system and the kiln body, the rotary kiln gear directly determines the equipment's operational stability, load-bearing capacity, and service life. This product is specifically designed for large rotary kilns in industries such as cement, metallurgy, chemicals, and environmental protection. It is forged or cast from high-strength alloy steel and undergoes precision machining and heat treatment to ensure superior performance under harsh conditions such as high temperature, heavy load, and dust.
Product Advantages
- Excellent Load-Bearing Capacity: Utilizing an optimized tooth profile design and high-strength materials, it can withstand the enormous radial and axial loads of the rotary kiln, ensuring stable operation even under full load or overload conditions.
- Extended Service Life: Unique heat treatment processes (such as carburizing and quenching or tempering) endow the gear surfaces with extremely high hardness and wear resistance, significantly reducing the wear rate, greatly extending replacement cycles, and lowering maintenance costs.
- Smooth and Low-Noise Operation: Precision machining accuracy (typically reaching AGMA 12 or DIN 6 standards) ensures accurate gear meshing, effectively reducing impact, vibration, and noise during transmission, improving equipment operating comfort and safety.
- Excellent Impact Resistance: The gear body possesses good toughness and fatigue strength to withstand impact loads from rotary kiln start-up and shutdown and material fluctuations, making it less prone to tooth breakage or crack propagation.
- Convenient Installation and Maintenance: Modular design or split structure (for specific models) makes installation and disassembly easier, eliminating the need to disassemble the entire kiln body and significantly reducing downtime for maintenance.
Product Technical Features
- Material Selection: High-quality alloy steel (such as 42CrMo, 35CrMo, 40CrNiMoA, etc.) or high-strength cast steel (such as ZG35CrMo, ZG42CrMo) are typically used to ensure good comprehensive mechanical properties.
- Heat Treatment Process: The tooth surface undergoes carburizing and quenching, induction hardening, or tempering treatment. The hardness range is typically HRC 50-60 (carburizing) or HB 250-320 (tempering), while maintaining good toughness in the core.
- Tooth Profile Optimization: Profile modification techniques (such as tooth tip edge modification and tooth direction modification) are employed to compensate for meshing deviations caused by load deformation, thermal expansion, and manufacturing errors, improving contact ratio and reducing the risk of edge contact.
- Structural Design: Typically a large-diameter, wide-tooth-surface annular structure with weight-reducing holes to facilitate heat dissipation. A stop or hub structure is provided on the back to accommodate thermal expansion.
- Precision grade: High machining accuracy, with tolerances for common normal length variation and radial runout of gear ring strictly controlled within industry standard ranges.
Keywords
Previous: Cement Rotary Kiln
Rotary kiln gears
Product Categories
Related Products
Related Products
Contact Us
No.99 Hengshan Road, Jianxi District, Luoyang City, Henan Province
sweep
CITICTLC
Learn more about dynamic information