Product Description
Ball Mill Girth Gear is large ring gears that are mounted on the outer circumference of the ball mill drum. Our products are widely used in industries such as cement, mining, metallurgy and power plants.
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Product name |
Ball Mill Girth Gear |
|
Size |
All kinds, customer can customize |
|
Material |
customized |
|
Place of Origin |
Henan, China |
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Brand Name |
Maohua |
|
Warranty of core components |
1 Year |
|
Port |
Qingdao, China or Shanghai, China |
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Standard |
AGMA10 |
Customization
Dimensions and Specifications
Gear ring diameters can be customized from 2 to over 12 meters. The number of teeth, module, and tooth width can be flexibly designed based on the ball mill model. Available in either integral or segmented configurations.
Material Selection
Commonly used are cast steel (ZG45, 42CrMo) or ductile iron.
Structure and Installation
Gear rings are available in both integral and segmented configurations, with bolted or welded connections for easy transportation and installation.
Quality Inspection
Dimensional, hardness, non-destructive testing, and dynamic balancing tests are performed before shipment to ensure accuracy and operational stability.
Process
We have a complete processing system and manufacturing process.
Product being molded
Heat treatment
Oil quench
Product Packing
Company Profile
Founded in 2003, ZMI is an international company specializing in the design, manufacturing, and service of high-quality metallurgical equipment for the global mining and metallurgy industry.
FAQ
Q: What is a Ball Mill Girth Gear?
A: A Ball Mill Girth Gear is a large ring gear mounted around the mill shell. It engages with a smaller pinion gear to transmit torque and rotate the mill for grinding operations.
Q: What materials are used for manufacturing?
A: Girth gears are usually made from cast steel (e.g., ZG45, 42CrMo) or ductile iron, chosen for high strength, toughness, and wear resistance in heavy-duty applications.
Q: How is a Ball Mill Girth Gear manufactured?
A: The process includes casting the gear blank, rough machining, tooth cutting (hobbing or shaping), heat treatment, and finishing. For high precision, the gear teeth may also be ground.
Q: What types of structures are available?
A: Girth gears can be made as integral (one-piece) for small to medium mills or segmented (two or more pieces) for large mills, making transport and installation easier.
Q: How is quality ensured?
A: Each girth gear undergoes dimensional inspection, hardness testing, non-destructive testing (UT/MT), and dynamic balance checks to guarantee accuracy, durability, and smooth operation.
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