large module ring gear cement ball mill big spur girth wheel outer ring gear casting rotary kiln large girth gear

Introduction of large module ring gear cement ball mill big spur girth wheel outer ring gear casting rotary kiln large girth gear

A rotary kiln is a kind of industrial equipment used for material heating and processing, which is widely used in cement, metallurgy, chemical industry, etc. large module ring gear cement ball mill big spur girth wheel outer ring gear casting rotary kiln large girth gear refers to various parts and components which are necessary for maintaining and repairing the normal operation of the rotary kiln, such as cylinder, baffle wheel, pallet, sealing device and so on.

Features and advantages of large module ring gear cement ball mill big spur girth wheel outer ring gear casting rotary kiln large girth gear

High-temperature resistance: Due to the extremely high temperature of the working environment of the rotary kiln, the spare parts are usually made of refractory materials or special alloys to ensure that they can work stably under high temperatures.

High abrasion resistance: Long time material friction and chemical erosion require spare parts to have excellent abrasion resistance to prolong service life.

High structural strength: in order to withstand heavy loads and the pressure of continuous operation, the design of spare parts will place special emphasis on structural strength and reliability.

Easy to install and maintain: Considering the need for frequent replacement, many spare parts are designed to be simpler and easier for quick installation and maintenance.

Strong adaptability: different industries have different needs for rotary kilns, so spare parts need to have good versatility and adaptability to meet diverse application conditions.

(large module ring gear cement ball mill big spur girth wheel outer ring gear casting rotary kiln large girth gear)

Specifications of large module ring gear cement ball mill big spur girth wheel outer ring gear casting rotary kiln large girth gear

This large module ring gear is built for cement ball mills and rotary kilns. It serves as the main drive component. These gears are massive. They handle extreme loads and harsh conditions. Common diameters range from 3 meters up to 15 meters or more. Module sizes are large, typically starting from 20mm and going much higher. Weight often exceeds 100 tons for the biggest units.

Material choice is critical. High-strength alloy steel is standard. Common grades include 42CrMo, 35CrMo, or similar. This ensures toughness and fatigue resistance. The gear teeth undergo precise machining. They are hardened for long life. Processes like carburizing and quenching are common. Surface hardness usually reaches 55-60 HRC. Core hardness stays lower for shock absorption.

Precision matters. Tooth profile accuracy is key for smooth power transfer. Common standards are AGMA or ISO Class 8 or better. Careful machining minimizes noise and vibration. Flange faces are machined flat. This ensures a perfect fit on the mill or kiln shell. Bolt hole patterns are drilled precisely.

The tooth flank is hardened deeply. This combats wear from constant heavy grinding. Precise tooth alignment reduces stress concentration. Proper lubrication grooves are machined in. This guarantees oil reaches all critical contact points. Robust design handles high torque demands. It prevents deformation under load. Dimensional stability is maintained over the operating temperature range.

These gears are custom-made. They match the specific mill or kiln design. Exact dimensions depend on the equipment size. Key specs include outside diameter, module, number of teeth, face width, and bore size. Flange dimensions and bolt patterns are also critical. Material certification and heat treatment records are provided. Inspection reports confirm hardness and accuracy. Performance relies on correct installation and maintenance. Proper alignment and lubrication are essential.

(large module ring gear cement ball mill big spur girth wheel outer ring gear casting rotary kiln large girth gear)

Applications of large module ring gear cement ball mill big spur girth wheel outer ring gear casting rotary kiln large girth gear

Large module ring gears are essential components in heavy industrial equipment. They drive critical machinery like cement ball mills and rotary kilns. These big spur girth wheels, also called outer ring gears, transfer immense power. Their massive size allows them to handle the extreme loads generated inside rotating drums. Cement ball mills grind raw materials into fine powder. The large girth gear encircles the mill shell. It meshes with a smaller pinion gear driven by a powerful motor. This setup provides the slow, steady rotation needed for effective grinding. Rotary kilns process materials like cement clinker or limestone. These long, rotating cylinders require precise, reliable movement. The outer ring gear attaches directly to the kiln shell. It receives power from the drive system. The gear ensures the kiln rotates smoothly, even under high temperatures and heavy material loads. Manufacturing these giant gears demands specialized casting techniques. Foundries pour molten steel into massive molds to form the rough gear shape. Precision machining follows. This step creates the exact tooth profile required for smooth, efficient power transmission. The gear teeth must be incredibly strong. They endure constant stress and wear. High-quality materials and careful heat treatment are vital. This process ensures the gear teeth resist cracking and pitting over time. Proper installation and maintenance are crucial too. Correct alignment prevents excessive wear and potential failure. Regular lubrication protects the gear teeth surfaces. Large girth gears represent a significant investment. Their reliable operation directly impacts production uptime and cost efficiency in demanding industrial settings like cement plants and mineral processing facilities.

Company Introduction

Established in 2001, plant Machinery Equipment Co.,ltd. focus on metal research and mining machinery spare parts. 2 factories over an area of 13,300 square meters, based on 100+ sets of equipment, our production capacity reaches 12000 Tons/Year. has passed ISO 9001 quality managment system certification in 2008.

Our mainly products are dragline excavator spare parts,rotary kiln spare parts, large modulus gear (gear shaft), gearbox ect. 40+ patents with over 45 years experience to help focus on improve the service life of spare parts. We belive that more than 80% reason of mechanical parts’ working life depends on hot processing (steel making/forging/casting/welding/heat treatment). Eight material engineers will control the quality from the original resource.

If you are interested, please feel free to contact us.

5 FAQs of large module ring gear cement ball mill big spur girth wheel outer ring gear casting rotary kiln large girth gear

Here are the top 5 questions people ask about our large girth gears for ball mills and rotary kilns:

What exactly is a large girth gear? It’s a massive ring gear. It bolts directly onto the end of a huge rotating drum, like a cement ball mill or a rotary kiln. Its job is simple: it transfers the turning power from the motor’s pinion gear to make the whole drum rotate. Think of it like the main drive wheel for the equipment.

Why does the size matter so much? These gears are huge. They often measure over 5 meters across. Sometimes they are even bigger than 10 meters. This large size lets them handle the immense forces needed to turn heavy drums full of material. A smaller gear would break or wear out too fast under such heavy loads.

How do you make them strong enough? We use special casting methods. We pour molten steel carefully into large, precise molds. We design the gear teeth shape specifically for maximum strength. We also add extra material in high-stress areas. This careful process makes a gear that can take the pounding for years without failing.

What kind of steel do you use? We use high-quality carbon steel or special alloy steel. We pick the exact grade based on the customer’s machine and the job it does. The steel needs to be tough. It must resist wear from the pinion gear constantly meshing with it. It also needs to handle shock loads without cracking.

How do you ensure the gear fits perfectly? Precision machining is critical after casting. We machine the gear teeth profile very accurately. We machine the mounting surfaces flat and true. We also machine the bolt holes exactly right. This precise work guarantees the gear runs smoothly. It meshes correctly with the pinion gear. It also bolts perfectly flat onto the mill or kiln shell. This prevents vibration and uneven wear.

(large module ring gear cement ball mill big spur girth wheel outer ring gear casting rotary kiln large girth gear)