Product Description
This girth gear is exactly the 1 manufactured for KHD, Germany client, with the module of 45, which is 1 of the largest module 45 girth gear in China.
With over 30 -year rich industry experience and knowledge, we have earned specialization in manufacturing and supplying superior quality Large Gears. These are fabricated in conformity with defined industry standards, these compact and sturdy gears have standard working speed and torque measurement. The offered range is widely acknowledged by the customers for features like optimum performance, robust construction and longer life. These precision engineered gears are widely demanded across varied industries, where large gear reduction is required.
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 Machinnig
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 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) |
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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 |
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3. Imported High-precision Gear Grinding Machines 0.8m~3.5m CNC Molding Gear Grinding Machines |
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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 |
Testing Process:
· QA DOC: Chemical Composition Report, Mechanical Properties Report, UT Report, Heat Treatment Report, Dimensions Check Report
· The data on chemical composition report and mechanical properties report are approved by third party, HangZhou Ship Material Research Institute, CSIC.
· UT test: 100% ultrasonic test according to EN15718-3, SA388, Sep 1921 C/c etc.
· Heat Treatment Report: provide original copy of heat treatment curve/time table.
Girth Gear Packing Picture
Main Facilites for Gear Manufacturing
Other Related Spare Parts
Application: | Industry |
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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 |
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What are the applications of ring gears?
Ring gears, also known as annular gears or internal gears, have a wide range of applications across various industries and mechanical systems. Here’s a detailed explanation of the applications of ring gears:
Ring gears are commonly used in numerous applications where rotational motion, torque transmission, and load distribution are essential. The unique design and characteristics of ring gears make them suitable for a variety of mechanical systems. Here are some common applications of ring gears:
- Automotive Transmissions: Ring gears are extensively used in automotive transmissions, particularly in automatic and manual transmissions. They are part of the gear train that transfers rotational motion and torque from the engine to the wheels. Ring gears in automotive applications are typically large in size and designed to handle high torque loads.
- Differential Systems: Ring gears play a crucial role in differential systems found in vehicles. The differential assembly allows the wheels on an axle to rotate at different speeds while distributing torque evenly. Ring gears form an integral part of the differential assembly, enabling torque transfer and speed differentiation between the drive wheels.
- Planetary Gear Systems: Ring gears are a fundamental component in planetary gear systems, which are widely used in various applications. Planetary gear systems consist of a central sun gear, planet gears, and a ring gear. The ring gear serves as the outer ring that meshes with the planet gears and the sun gear. Planetary gear systems offer high gear ratios, compactness, and versatility, making them suitable for applications such as automotive transmissions, industrial machinery, and aerospace systems.
- Industrial Machinery: Ring gears find extensive use in industrial machinery for power transmission, motion control, and speed regulation. They are employed in equipment such as gearboxes, speed reducers, hoists, conveyors, and rotary tables. Ring gears enable efficient torque transmission, precise motion control, and load distribution in these industrial applications.
- Robotics and Automation: Ring gears are utilized in robotics and automation systems for precise motion control and synchronization. They can be found in robotic arms, automated assembly lines, CNC machines, and other robotic applications where accurate positioning and precise motion are critical. Ring gears provide the necessary torque transmission and gear reduction required for precise robotic movements.
- Power Generation: Ring gears are used in power generation equipment, such as wind turbines and hydroelectric generators. They form part of the gearboxes that convert the rotational motion of the turbine or generator rotor into electrical energy. Ring gears in power generation applications need to handle high torque loads, operate reliably, and provide efficient power transmission.
- Heavy Machinery and Construction Equipment: Ring gears are employed in heavy machinery and construction equipment, including excavators, cranes, mining equipment, and agricultural machinery. They facilitate the transmission of power and torque for various functions, such as lifting, digging, and material handling. Ring gears in these applications are designed to withstand high loads, rugged environments, and demanding operating conditions.
These are just a few examples of the applications of ring gears. Their versatility, load-carrying capacity, compact design, and ability to achieve high gear ratios make them suitable for a wide range of mechanical systems across industries.
The specific design, size, and material selection of ring gears may vary depending on the application requirements, operating conditions, and performance specifications.
editor by CX 2023-09-06