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OEM
Yile
Product Description
Yile Machinery is a premier manufacturer of large, custom-engineered cast steel gears designed for the most demanding industrial applications. These heavy-duty spur gears are the backbone of high-torque drive systems, responsible for transmitting immense power in mills, kilns, conveyors, and other large-scale equipment.
We specialize in producing gears to your exact specifications, providing reliable and durable solutions for both new equipment and replacement parts.
For large-diameter gears, casting is the most effective manufacturing method. We primarily use cast steel for its superior mechanical properties compared to cast iron:
Superior Toughness and Impact Resistance: Cast steel can withstand the heavy shock loads and torque fluctuations common in industrial machinery without fracturing.
High Strength and Durability: Through proper alloying and heat treatment, cast steel achieves the high strength and wear resistance needed for a long service life.
Weldability: Cast steel gears can be repaired if damaged, which is often a critical requirement for large, expensive components.
While we also offer cast iron gears for lower-stress applications, cast steel is the recommended material for any critical, high-torque drive.
Extreme Torque Capacity: Engineered to transmit massive amounts of power in slow-speed, high-torque applications.
Custom Manufacturing: Produced according to your specific drawings or parameters (module, number of teeth, face width, bore, material).
Cost-Effective for Large Diameters: Casting is a more economical method than machining from a solid forged blank for gears over a certain size.
Optimized with Heat Treatment: Gears undergo processes like normalizing, quenching, and tempering to refine the grain structure and maximize strength and toughness.
Option for Split Design: For easier installation on trapped shafts (e.g., between two large bearings), we can manufacture gears in two halves that are bolted together.
Material Selection: We use high-quality carbon and alloy cast steels (e.g., ZG45, ZG42CrMo) chosen based on your load requirements.
Casting & Heat Treatment: The gear is cast to its near-net shape and then heat-treated to achieve the desired mechanical properties.
Precision Machining: The gear blank is then moved to our large CNC machines. The teeth are precisely cut using gear hobbing or milling to ensure a smooth, accurate profile for efficient power transmission. The bore, keyway, and mounting holes are also finished to tight tolerances.
Surface Hardening (Optional): For maximum wear resistance, the gear teeth can be surface hardened via induction or flame hardening.
Our large cast steel gears are critical components in:
Mining & Mineral Processing: Ball mills, SAG mills, crushers, and large excavator swing drives.
Cement Plants: Rotary kiln girth gears, dryer drives, and crusher gearboxes.
Sugar Mills: Cane crusher and mill drive gears.
Power Generation: Wind turbine gearboxes, coal pulverizers.
Material Handling: Main drive gears for large-scale industrial conveyors.
Request a Custom Gear Quote
Contact us to discuss your project. To ensure an accurate quote, please provide a drawing or specify the number of teeth, module (or diametral pitch), face width, material, and any heat treatment requirements.
