China factory Half Rotary Kiln Girth Gear&Mill Girth Gear/Ball Mill Rotary Kiln Ring Gear gear ratio calculator

Product Description

Spur Gear/Ball mill rotary kiln ring gear

Casting & forging ability
CITICHL is the casting & forging center in central-south China, possessing 50t electric arc furnace, 60t LF ladle refining furnace, and 60t VD/VOD refining furnace, etc. We can pour 350t liquid steel 1 time and yields more than 200,000t of  high quality liquid steel and can produce the high quality steel of more than 260 steel grades such as carbon steel, structural alloy steel and the structural steel, refractory steel and stainless steel of special requirement. The maximum weight of casting, gray casting, graphite cast iron and non-ferrous casting is 200t, 30t, 20t and 205t separately. 
 
The company is the forging center in central-south China. It is very powerful in forging. The single free forging is 100t(max weight). We can roll rings of different sections of carbon steel, alloy steel, high temperature alloy and non-ferrous alloys such as copper alloy, aluminum alloy and titanium alloy. The maximum diameter is 5.5m and single piece of the forging weighs 10t. We have 8400t, 3150t, 1600t, water press and RAW 200/160-5000/750 large-size ring mill of high precision in Asia made in WAGNER, Germany.

 

Heat treatment ability
The company is the heat treatment base in national machinery trade in central and south China, possessing Φ3×1.6m carburizing furnace, Φ2.3×17m,Φ2.3×9.5m shaft furnace, 8.5×13m,5×15m,6×14.5m,4.5×18m automatic controlled car type heat treatment CZPT group. We can supply the quenched and tempered part over 45t, the carburizedand quenched gear and pinion below 20t, shaft≤5.7m in length and the induced girth ring diameter≤5m

 

Our girth gears Features
Module Range: 10 Module to 70 Module.
Diameter : Min 800mm to16000 mm.
Weight : Max 120 MT single piece.
Three different designs: Fabricated steel – forged ring – rolled plate
Standards/Certificates :• CZPT EN ISO • AWS • ASTM • ASME • DIN

Girth gear cutting machines
Φ16m CNC hobbing Machine
Φ12m Gear cutting machine (Switzerland)
Φ10m hobbing machine (Germany)
Φ4m CNC high speed hobbing machine (Germany)
Φ1.6m Horizontal CNC hobbing machine (Germany)
Φ5m CNC profile gear grinding machine (Germany)
Φ2.8m CNC Profile gear grinding machine (Germany)
Φ1.25m CNC Profile gear grinding machine (Germany)
Φ1m CNC Profile gear grinding machine (Germany)
 

 

Specifications of Gear :

No. Item Description  
1 Diameter ≤15m  
2 Module ≤45  
3 Material Cast Alloy Steel, Cast Carbon Steel, Forged Alloy Steel, Forged Carbon Steel  
4 Structure From Integrated, Half to Half, Four Pieces and More Pieces  
 
5 Heat Treatment Quenching & Tempering, Normalizing & Tempering, Carburizing & Quenching & Tempering  
 
6 Tooth Form Annular Gear, Outer Gear Ring  
7 Standard ISO, EN, DIN, AISI, ASTM, JIS, IS, GB  

Inspection and Test Outline of Girth Gear:

No. Item Inspection Area Acceptance Criteria Inspection Stage Certificates
1 Chemical 
Composition
Sample Material Requirement When Smelting
After Heat Treatment
Chemical Composition 
Report
2 Mechanical
 Properties
Sample(Test Bar on the Gear Body) Technical Requirement After Heat Treatment Mechanical Properties 
Report
3 Heat 
Treatment
Whole Body Manufacturing Standard During Heat Treatment Heat Treatment Report
Curves of Heat 
Treatment
4 Hardness 
Test
Tooth Surface, 3 Points Per 90° Technical Requirement After Heat Treatment Hardness Teat Report
After Semi Finish 
Machining
5 Dimension 
Inspection
Whole Body Drawing After Semi Finish
 
 Machining
Dimension Inspection 
Report
Finish Machining
6 Magnetic Power Test (MT) Tooth Surface Agreed Standard After Finish Gear 
Hobbing
MT  Report
7 UT Spokes Parts Agreed Standard After Rough Machining UT Report
After Welded
After Semi Finish 
Machining
8 PT Defect Area No Defect Indicated After Digging
After Welded
PT Record
9 Mark Inspection Whole Body Manufacturing Standard Final Inspection Pictures
10 Appearance 
Inspection
Whole Body CIC’s Requirement Before Packing
(Final Inspection)
 
11 Anti-rust 
Inspection
Whole Body Agreed Anti-rust Agent Before Packing Pictures 
12 Packing 
Inspection
Whole Body Agreed Packing Form During Packing Pictures

Facilities For Manufacturing Gear ring:

No. Item Description
1 Smelting & Casting Capability  
40t ,50t, 80t Series AC Electric Arc Furnace
2×150t, 60t LF Ladle Refining Furnace
150t, 60t Series VD/VOD Furnace
20×18m Large Pouring Facility
We can pour 900t refining liquid steel one time, and achieve vacuum poured 600t steel ingots.
We can produce the high quality steel of more than 260 steel grades as carbon steel,structural alloy steel and the structural steel, refractory steel and stainless steel of special requirement. The maximum weight of casting steel, gray casting, graphite cast iron and non-ferrous casting is 600t, 200t, 150t and 20t separately.
2 Forging Capability  
The only one in the word, the most technologically advanced and the largest specification18500t Oil Press, equipped with 750t.m forging operation machine
8400t Water Press
3150t Water Press
1600t Water Press
Φ5m High Precision Ring Mill ( WAGNER,Germany)
Φ12m High Precision Ring Mill
We can roll rings of different sections of carbon steel, alloy steel, high temperature alloy steel and non-ferrous alloys such as copper alloy, aluminum alloy and titanium alloy. Max. Diameter of rolled ring will be 12m.
3 Heat Treatment Capability 9×9×15m,8×8×12m,6×6×15m,15×16×6.5m,16×20×6m ,7×7×17m Series Heat Furnace and Heat Treatment Furnaces
φ2.0×30m,φ3.0×5.0m Series Heat Treatment Furnaces
φ5.0×2.5m,φ3.2×1.5m,φ3.0×5.0m,φ2.0×5m Series Carburizing Furnaces & Nitriding Furnaces & Quenching Bathes
φ2.0×30m Well Type CNC Electrical Furnaces
Φ3.0×5.0M Horizontal Gas Temperature-differential Furnace
Double-frequency and Double-position Quenching Lathe of Pinion Shaft
4 Machining Capability 1. ≥5m CNC Heavy Duty Vertical Lathes
12m CNC Double-column Vertical Lathe
10m CNC Double-column Vertical Lathe
10m CNC Single-column Vertical Lathe
6.3m Heavy Duty Vertical Lathe
5m CNC Heavy Duty Vertical Lathe  
2. ≥5m Vertical Gear Hobbing Machines
15m CNC Vertical Gear Hobbing Machine
10m Gear Hobbing Machine
8m Gear Hobbing Machine
5m Gear Hobbing Machine
3m Gear Hobbing Machining
3. Imported High-precision Gear Grinding Machines
0.8m~3.5m CNC Molding Gear Grinding Machines
4. Large Boring & Milling Machines
220 CNC Floor-mounted Boring & Milling Machine
200 CNC Floor-mounted Boring & Milling Machine
160 CNC Floor-mounted Boring & Milling Machine

FAQ
Q: How about the quality of your products?
A: Our machines are manufactured strictly according to national and international standards, and we take a test on each equipment before delivery.
 
 
Q: How about the price?
A: We are manufactory, and we can give you lower price than those trade companies. Besides, customers from Made in China can get a discount.
 
Q: Do you provide after-sale service?
A: Yes. The warranty period of our machines is 1 year, and we have a professional after-sale team to promptly and thoroughly solve your problems.
 
Q: Do you provide equipment operation training?
A: Yes. We can send professional engineers to the working site for equipment installation, adjustment, and operation training. All of our engineers have passports.

 

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: as Requirement
Gear Position: External Gear
Manufacturing Method: Cast Gear
Toothed Portion Shape: Spur Gear
Material: Cast Steel
Customization:
Available

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Customized Request

ring gear

What are the benefits of using a ring gear mechanism?

A ring gear mechanism, also known as an annular gear mechanism, offers several benefits in various applications. Here’s a detailed explanation of the advantages of using a ring gear mechanism:

  • Compact Design: Ring gears provide a compact design solution due to their annular shape. They can be integrated into tight spaces and offer a high gear ratio within a small footprint. This compactness is particularly advantageous in applications where space is limited or where lightweight and streamlined designs are required.
  • Efficient Power Transmission: Ring gears facilitate efficient power transmission. The meshing of the gear teeth ensures a reliable transfer of torque and rotational motion. This efficiency is crucial in applications that require the smooth and precise transmission of power, such as automotive transmissions, industrial machinery, and robotics.
  • Load Distribution: The circular shape of the ring gear allows for uniform load distribution across its circumference. This helps distribute the transmitted forces and reduces localized stress concentrations. As a result, ring gears can handle higher loads and provide improved durability and longevity compared to other gear mechanisms.
  • Multiple Meshing Points: Ring gears typically have multiple meshing points with other gears, such as pinion gears or planetary gears. This distributed meshing enables efficient load sharing and helps distribute the torque across multiple points, reducing wear and enhancing the overall gear system’s performance and reliability.
  • Versatile Applications: Ring gears find wide application across various industries and systems, including automotive, aerospace, industrial machinery, robotics, power generation, and more. Their versatility stems from the ability to configure ring gears in different types, such as external, internal, helical, or bevel, to suit specific application requirements.
  • Precision and Smooth Operation: Ring gears provide precise and smooth operation due to the continuous contact between the gear teeth during rotation. This results in reduced noise, vibration, and backlash, making ring gears suitable for applications where precise motion control, quiet operation, and high positional accuracy are critical.
  • Redundancy and Fault Tolerance: In certain applications, such as gearboxes, the ring gear mechanism can offer redundancy and fault tolerance. If one gear or gear stage fails, the remaining gears can continue to transmit power, allowing the system to operate partially or with reduced performance until maintenance or repair can be performed.

The benefits of using a ring gear mechanism make it a preferred choice in many mechanical systems where compactness, efficient power transmission, load distribution, and precision are essential. By leveraging these advantages, engineers and designers can achieve improved performance, reliability, and overall system efficiency in their applications.

ring gear

How do you maintain and service a ring gear system?

Maintaining and servicing a ring gear system is crucial to ensure its optimal performance, reliability, and longevity. Here’s a detailed explanation of the maintenance and service procedures for a ring gear system:

  1. Regular Inspections: Conduct regular inspections of the ring gear system to detect any signs of wear, damage, misalignment, or abnormal conditions. Inspect the gear teeth for chips, cracks, or excessive wear. Check for proper gear engagement and backlash. Inspect the mounting bolts or fasteners for tightness. Regular inspections help identify potential issues early on and prevent further damage or failures.
  2. Cleaning and Lubrication: Clean the ring gear system periodically to remove dirt, debris, and old lubricant. Use appropriate cleaning methods and solvents that are compatible with the gear system materials. After cleaning, apply fresh lubricant according to the manufacturer’s recommendations. Ensure proper lubrication coverage and distribution to minimize friction, wear, and heat generation.
  3. Lubricant Analysis: Periodically analyze the condition of the lubricant in the ring gear system to assess its effectiveness and detect any contamination or degradation. Lubricant analysis involves collecting samples and sending them to a laboratory for testing. The analysis results can provide valuable information about the lubricant’s viscosity, contamination levels, and overall condition. Based on the analysis, determine whether lubricant replacement or additional maintenance actions are necessary.
  4. Bearing and Seal Inspection: If the ring gear system includes bearings or seals, inspect them regularly for wear, damage, or leaks. Check for excessive play, noise, or overheating in the bearings. Inspect the seals for proper sealing and lubricant retention. Replace any worn-out bearings or damaged seals to prevent further damage to the ring gear system.
  5. Torque Checks: Periodically check the torque of the mounting bolts or fasteners that secure the ring gear system. Over time, vibrations and operational stresses can cause bolts to loosen. Ensure that the bolts are tightened to the manufacturer’s recommended torque specifications. Perform torque checks during scheduled maintenance intervals or when any signs of loosening are observed.
  6. Alignment and Gear Meshing: Check and adjust the alignment of the ring gear system if necessary. Misalignment can lead to uneven wear, increased load on the gear teeth, and reduced performance. Ensure proper gear meshing and backlash according to the manufacturer’s specifications. Adjust the gear positioning or contact pattern if deemed necessary during inspections or maintenance activities.
  7. Repair or Replacement: If any significant damage, wear, or malfunction is identified during inspections or maintenance activities, plan for repair or replacement of the affected components. Depending on the severity and nature of the issue, repairs may involve repairing gear teeth, replacing damaged parts, or realigning the gear system. If extensive damage is present or the gear system has reached the end of its service life, consider replacing the entire ring gear system.
  8. Documentation and Record-Keeping: Maintain detailed documentation and records of all maintenance and service activities performed on the ring gear system. Keep track of inspection results, lubrication schedules, repairs, parts replacements, and any other relevant information. These records help establish a maintenance history, track performance trends, and provide valuable reference information for future maintenance and troubleshooting.

It’s important to note that the specific maintenance and service procedures may vary depending on the type of ring gear system, its application, and the manufacturer’s guidelines. Always refer to the manufacturer’s recommendations and consult with experts or professionals when necessary to ensure proper maintenance and servicing of the ring gear system.

ring gear

What industries commonly use ring gears?

Ring gears, also known as annular gears or internal gears, are utilized in various industries due to their unique characteristics and capabilities. Here’s a detailed explanation of the industries that commonly use ring gears:

  • Automotive Industry: Ring gears are extensively used in the automotive industry. They are a crucial component in automotive transmissions, differential systems, and steering mechanisms. Ring gears help transmit torque and rotational motion, enabling smooth shifting of gears and efficient power transfer in vehicles.
  • Aerospace Industry: The aerospace industry relies on ring gears for various applications. They are used in aircraft engines, landing gear systems, actuation mechanisms, and aerospace gearboxes. Ring gears provide reliable and precise motion control in critical aerospace systems.
  • Industrial Machinery: Ring gears find wide applications in industrial machinery, including heavy machinery, manufacturing equipment, and power generation systems. They are used in gearboxes, speed reducers, and other power transmission systems. Ring gears enable efficient torque transfer and motion control in industrial settings.
  • Robotics: Ring gears play a significant role in robotics and automation. They are employed in robotic joints, manipulator arms, and motion control systems. Ring gears provide precise and smooth rotation, allowing robots to perform intricate tasks with accuracy and repeatability.
  • Power Generation: Ring gears are utilized in power generation equipment such as wind turbines, hydroelectric generators, and steam turbines. They are part of the gearbox systems that convert the rotational motion of the turbine blades into electrical energy. Ring gears enable efficient power transmission and adaptability to varying load conditions.
  • Heavy Equipment and Construction: The heavy equipment and construction industry extensively use ring gears in equipment like excavators, cranes, loaders, and bulldozers. They are vital for the operation of the drivetrain and hydraulic systems, enabling controlled movement and power transfer in demanding construction environments.
  • Marine Industry: Ring gears are employed in various marine applications, including ship propulsion systems, marine winches, and steering mechanisms. They provide reliable torque transfer and motion control in marine vessels, ensuring efficient navigation and maneuverability.
  • Renewable Energy: Ring gears are utilized in renewable energy systems such as solar tracking systems and tidal power generation. They enable the precise tracking of solar panels and the efficient conversion of tidal forces into electrical energy.

The diverse applications of ring gears across these industries highlight their versatility and importance in various mechanical systems. The specific design, size, and material selection of ring gears may vary depending on the industry requirements and operating conditions.

China factory Half Rotary Kiln Girth Gear&Mill Girth Gear/Ball Mill Rotary Kiln Ring Gear gear ratio calculatorChina factory Half Rotary Kiln Girth Gear&Mill Girth Gear/Ball Mill Rotary Kiln Ring Gear gear ratio calculator
editor by CX 2023-09-12

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