Product Description
CITICIC 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.
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: • CHINAMFG EN ISO • AWS • ASTM • ASME • DIN
Advantages:
– Products with Customers’ Designs
– Strong Machining & Heat Treatment Abilities
– Strict Quality Control
– Prompt Delivery
– Experience in Cooperation with Fortune 500 Companies
Process:
Forging / Casting
Normalizing & Tempering-Proof Machining
Quenching & Tempering
Finish Machining (Teeth Grinding)
We can offer you in various process conditions solutions for Many End Markets and Applications
–Mining
–Metallurgy
–Power Generation
–Sugar
–Cement Plant
–Port Machinery
–Oil and natural
–Papermaking
–OEM gear case
–General Industrial
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 |
Sample |
Material Requirement |
When Smelting |
Chemical Composition |
2 |
Mechanical |
Sample (Test Bar on the Gear Body) |
Technical Requirement |
After Heat Treatment |
Mechanical Properties |
3 |
Heat |
Whole Body |
Manufacturing Standard |
During Heat Treatment |
Heat Treatment Report |
4 |
Hardness |
Tooth Surface, 3 Points Per 90° |
Technical Requirement |
After Heat Treatment |
Hardness Teat Report |
After Semi Finish |
|||||
5 |
Dimension |
Whole Body |
Drawing |
After Semi Finish Machining |
Dimension Inspection |
Finish Machining |
|||||
6 |
Magnetic Power Test (MT) |
Tooth Surface |
Agreed Standard |
After Finish Gear |
MT Report |
7 |
UT |
Spokes Parts |
Agreed Standard |
After Rough Machining |
UT Report |
After Welded |
|||||
After Semi Finish |
|||||
8 |
PT |
Defect Area |
No Defect Indicated |
After Digging |
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 |
Whole Body |
Agreed Anti-rust Agent |
Before Packing |
Pictures |
12 |
Packing |
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 We can pour 900t refining liquid steel 1 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 1 in the word, the most technologically advanced and the largest |
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 CHINAMFG and Heat Treatment Furnaces φ2.0×30m, φ3.0×5.0m Series Heat Treatment Furnaces |
4 |
Machining Capability |
1. ≥5m CNC Heavy Duty Vertical Lathes 12m CNC Double-column Vertical Lathe
2. ≥5m Vertical Gear Hobbing Machines
3. Imported High-precision Gear Grinding Machines
4. Large Boring & Milling Machines |
Application: | Industry |
---|---|
Hardness: | According to Customer′s Requirement |
Gear Position: | External Gear |
Manufacturing Method: | Cast Gear |
Toothed Portion Shape: | Spur Gear |
Material: | Steel |
Customization: |
Available
| Customized Request |
---|
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.
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:
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
What is a ring gear and how does it work?
A ring gear is a type of gear that features teeth on the outer perimeter of a circular ring-shaped component. It is commonly used in various mechanical systems and applications. Here’s a detailed explanation of what a ring gear is and how it works:
A ring gear, also known as an annular gear or internal gear, is a gear with teeth on the inside circumference of a circular ring. It is designed to mesh with a pinion gear or another gear that has teeth on the outside. The combination of a ring gear and a pinion gear forms a gear set, enabling the transmission of rotational motion and torque between the two gears.
Here’s how a ring gear works:
- Tooth Engagement: When a ring gear and a pinion gear are brought together, the teeth of the pinion gear mesh with the teeth of the ring gear. The teeth of the pinion gear enter the spaces between the teeth of the ring gear, creating a mechanical connection between the two gears.
- Motion Transmission: As the driving gear (such as the pinion gear) rotates, it transfers rotational motion to the ring gear. The teeth of the driving gear push against the teeth of the ring gear, causing the ring gear to rotate in the opposite direction. This rotational motion can be used to drive other components or systems connected to the ring gear.
- Torque Transfer: The meshing of the teeth between the ring gear and the driving gear allows for the transfer of torque. Torque is the rotational force or twisting force applied to a gear. As the driving gear exerts torque on the ring gear through the meshing teeth, the ring gear experiences a torque load. This torque load can be transmitted to other components or systems connected to the ring gear.
- Gear Ratio: The gear ratio between the ring gear and the driving gear determines the speed and torque relationship between the two gears. The gear ratio is defined as the ratio of the number of teeth on the ring gear to the number of teeth on the driving gear. By changing the size or number of teeth on either the ring gear or the driving gear, the gear ratio can be adjusted to achieve the desired speed or torque output.
- Load Distribution: The ring gear distributes the load over a larger area compared to other types of gears. This load distribution characteristic allows the ring gear to handle higher loads and torque. The design of the ring gear and its tooth profile ensures that the load is evenly distributed across the surface of the gear, enhancing its durability and reducing the risk of premature wear or failure.
Ring gears are commonly used in various applications, including automotive transmissions, differential systems, planetary gear systems, industrial machinery, and power transmission equipment. They provide advantages such as compactness, high torque capacity, load distribution, and the ability to achieve high gear ratios.
It’s important to note that the design and characteristics of ring gears may vary depending on the specific application and requirements. Factors such as tooth profile, material selection, lubrication, and manufacturing techniques are carefully considered to ensure optimal performance and durability of the ring gear.
editor by CX 2023-12-13