Product Description
Key attributes
Other attributes
Applicable Industries
Manufacturing Plant, Machinery Repair Shops, Energy & Mining
Weight (KG)
1650
Showroom Location
None
Video outgoing-inspection
Provided
Machinery Test Report
Provided
Marketing Type
Hot Product 2571
Warranty of core components
1 Year
Core Components
Gear
Place of CHINAMFG
ZheJiang , China
Condition
New
Warranty
1.5 years
Shape
Ring Gear
Standard or Nonstandard
Nonstandard
Tooth Profile
Spur
Material
Steel
Processing
Casting
Pressure Angle
20°
Brand Name
HangZhou
Product Name
custom large diameter alloy steel spur casting large ring gear
Application
Cement kiln
Gear Machining
Gear milling
Module of Gear:
8-120
OD For Gear Wheel:
MAX.13 000 mm
Height For CHINAMFG
MAX. 1200 mm
Certificate
ISO 9001:2015
Tolerance
+/-0.01mm
Heat treatment
QT
Surface Treatment
Surface Hardening or Carburizing and Quenching
Packaging and delivery
Packaging Details
Package for Cement kiln custom large diameter ring gear transmission alloy steel spur casting large ring gear is wooden box and adapts to CHINAMFG transport
Port
ZheJiang ,HangZhou or Others
Supply Ability
Supply Ability
9000 Ton/Tons per Year
OUR WORKSHOPS
OUR EQUIPMENTS
Technology Process
Material |
Carbon steel,Alloy steel |
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Structure |
Forging,casting |
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Type of gear |
spur gear,helical gear,Planetary Gear |
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Heat treatment |
Quenching and tempering |
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Process |
forging, rough machining, QT, finish machining |
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Main equipments |
hobbing,CNC machine |
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Module |
up to 200 |
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Precision of gear |
Grinding ISO Grade 5-7 & Hobbing ISO Grade 8-9 |
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Inspection |
Raw material inspection, UT,physical property test,dimension inspect |
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Application |
Mining machinery, mill, kiln and other equipment |
OUR CERTIFICATE
OUR CUSTOMER FEEDBACK
CONTACT
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Application: | Industry |
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Hardness: | Hb190-Hb300 |
Gear Position: | External Gear |
Samples: |
US$ 100/Piece
1 Piece(Min.Order) | Order Sample |
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Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Payment Method: |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What are the potential challenges in designing and manufacturing spur gears?
Designing and manufacturing spur gears involve several challenges that need to be addressed to ensure optimal performance and reliability. Here’s a detailed explanation of the potential challenges in designing and manufacturing spur gears:
- Gear Tooth Design: Designing the gear tooth profile is a critical aspect of gear design. Achieving the desired tooth shape, pressure angle, and tooth thickness distribution while considering factors such as load capacity, durability, and noise generation can be challenging. Iterative design processes, computer-aided design (CAD) software, and gear design expertise are often employed to overcome these challenges.
- Material Selection: Choosing the appropriate material for gear manufacturing is crucial. Gears need to withstand high loads, transmit power efficiently, and exhibit excellent wear resistance. Selecting materials with suitable hardness, strength, and fatigue resistance can be challenging, especially when considering factors such as cost, availability, and compatibility with other components in the gear system.
- Manufacturing Processes: The manufacturing processes for producing spur gears, such as hobbing, shaping, or broaching, can present challenges. Achieving precise gear tooth profiles, accurate dimensions, and proper surface finish requires advanced machining techniques, specialized equipment, and skilled operators. Maintaining tight tolerances and ensuring consistent quality during mass production can also be demanding.
- Tooth Surface Finish: The surface finish of gear teeth plays a crucial role in gear performance. Achieving a smooth and precise tooth surface finish is challenging due to factors such as tool wear, heat generation during manufacturing, and the complexity of the gear tooth profile. Surface finishing processes, such as grinding or honing, may be required to achieve the desired surface quality.
- Noise and Vibration: Gears can generate noise and vibration during operation, which can affect the overall performance and user experience. Designing gears to minimize noise and vibration requires careful consideration of factors such as tooth profile optimization, load distribution, gear meshing characteristics, and proper lubrication. Conducting noise and vibration analysis and implementing appropriate design modifications may be necessary to address these challenges.
- Backlash Control: Controlling backlash, the slight gap between mating gear teeth, can be challenging. Backlash affects gear accuracy, smoothness of operation, and the ability to transmit torque efficiently. Balancing the need for adequate backlash to accommodate thermal expansion and minimize gear engagement issues while ensuring precise control of backlash can be a complex task in gear design and manufacturing.
- Heat Treatment: Heat treatment processes, such as carburizing or quenching, are often employed to enhance the hardness and strength of gear teeth. Proper heat treatment is crucial to achieve the desired material properties and gear performance. However, challenges such as distortion, residual stresses, and material property variations can arise during heat treatment, requiring careful process control, post-heat treatment machining, or additional treatments to mitigate these challenges.
- Quality Control: Ensuring consistent quality and reliability of spur gears is a challenge in manufacturing. Implementing effective quality control measures, such as dimensional inspections, hardness testing, and gear tooth profile analysis, is essential. Statistical process control (SPC) techniques and quality assurance systems help monitor manufacturing processes, identify potential issues, and maintain consistent gear quality.
- Cost and Time Constraints: Designing and manufacturing spur gears that meet performance requirements within cost and time constraints can be challenging. Balancing factors such as material costs, tooling expenses, production lead times, and market competitiveness requires careful consideration and optimization. Efficient production planning, cost analysis, and value engineering techniques are often employed to address these challenges.
By recognizing these challenges and employing appropriate design methodologies, manufacturing techniques, and quality control measures, it is possible to overcome the potential challenges associated with designing and manufacturing spur gears.
It’s important to note that the specific challenges may vary depending on the gear application, size, complexity, and operating conditions. Collaboration with gear design experts, manufacturing engineers, and industry specialists can provide valuable insights and guidance in addressing the challenges specific to your spur gear design and manufacturing processes.
Are spur gears suitable for high-torque applications?
Spur gears are commonly used in a wide range of applications, including those involving high-torque requirements. However, their suitability for high-torque applications depends on various factors. Here’s a detailed explanation:
Spur gears are designed to transmit power and torque between parallel shafts. They have straight teeth that engage fully, providing efficient power transfer. The suitability of spur gears for high-torque applications can be evaluated based on the following considerations:
- Load Distribution: Spur gears distribute the transmitted load over a larger contact area compared to other gear types. This characteristic allows them to handle higher torque loads effectively.
- Size and Diameter: The size and diameter of the spur gears play a crucial role in their ability to handle high torque. Larger gear diameters provide increased torque capacity due to the longer lever arm and larger contact area between the gear teeth.
- Material Selection: Choosing the appropriate material for the spur gears is essential for high-torque applications. Strong and durable materials, such as hardened steel or alloy steels, are commonly used to ensure the gears can withstand the high stresses and torque loads without deformation or failure.
- Gear Design: Proper gear design considerations, such as tooth profile, module or pitch, and the number of teeth, can impact the torque-carrying capacity of spur gears. Design parameters should be optimized to ensure sufficient tooth strength and minimize the risk of tooth breakage or excessive wear.
- Lubrication and Maintenance: Adequate lubrication is critical for reducing friction, wear, and heat generation in high-torque spur gear applications. Regular maintenance, including lubricant replacement and gear inspections, can help identify and address any issues that may affect the gear’s torque-handling capabilities.
- Supporting Components: The overall system design, including the selection of bearings, shafts, and housing, should be considered to ensure proper support and alignment of the spur gears. Well-designed supporting components contribute to the overall torque capacity of the system.
While spur gears can handle high torque, it’s important to note that there are limitations to their torque capacity. Factors such as gear size, material strength, tooth design, and operating conditions can affect the maximum torque the gears can safely transmit without failure.
In some cases, other gear types such as helical gears or bevel gears may be more suitable for specific high-torque applications. These gears offer advantages such as increased load-carrying capacity, improved torque transfer efficiency, and reduced noise and vibration levels.
Ultimately, the suitability of spur gears for high-torque applications should be evaluated based on the specific requirements, operating conditions, and industry standards applicable to the particular application.
What is a spur gear and how does it work?
A spur gear is a type of cylindrical gear with straight teeth that are parallel to the gear axis. It is one of the most common and simplest types of gears used in various mechanical systems. Spur gears work by meshing together to transmit rotational motion and torque between two parallel shafts. Here’s a detailed explanation of spur gears and how they work:
A spur gear consists of two or more gears with cylindrical shapes and an equal number of teeth. These gears are mounted on parallel shafts, and their teeth mesh together to transfer rotational motion from one gear to another. The gear with power input is called the “drive gear” or “driver,” while the gear receiving the power output is called the “driven gear” or “follower.”
The key characteristics and components of spur gears include:
- Teeth: Spur gears have straight teeth that are cut parallel to the shaft axis. The teeth are evenly spaced around the circumference of the gear. The number of teeth determines the gear ratio and affects the speed and torque transmission between the gears.
- Pitch Diameter: The pitch diameter is the theoretical diameter of the gear at the point where the teeth mesh. It is determined by the number of teeth and the module or diametral pitch of the gear.
- Module or Diametral Pitch: The module is a parameter used in metric gear systems, while the diametral pitch is used in imperial gear systems. They define the tooth size and spacing of the gear. The module is the ratio of the pitch diameter to the number of teeth, while the diametral pitch is the number of teeth per inch of pitch diameter.
- Pressure Angle: The pressure angle is the angle between the line tangent to the tooth profile at the pitch point and a line perpendicular to the gear axis. Common pressure angles for spur gears are 20 degrees and 14.5 degrees.
- Meshing: Spur gears mesh by engaging their teeth, creating a point or line contact between the contacting surfaces. The teeth transfer rotational motion and torque from the drive gear to the driven gear.
- Gear Ratio: The gear ratio is determined by the number of teeth on the drive gear and the driven gear. It defines the relationship between the input speed and the output speed. The gear ratio can be calculated by dividing the number of teeth on the driven gear by the number of teeth on the drive gear.
- Operation: As the drive gear rotates, its teeth come into contact with the teeth of the driven gear. The contact between the teeth transfers rotational motion and torque from the drive gear to the driven gear. The meshing teeth maintain a constant speed ratio, allowing for the transmission of power between the shafts. The direction of rotation can be changed by meshing gears with an odd or even number of teeth.
Spur gears offer several advantages, including simplicity, ease of manufacture, efficiency, and reliability. They are commonly used in a wide range of applications, including machinery, automotive systems, appliances, power tools, and more.
In conclusion, spur gears are cylindrical gears with straight teeth that mesh together to transfer rotational motion and torque between parallel shafts. Their simple and efficient design makes them a popular choice for various mechanical systems.
editor by CX 2024-01-04