China Custom OEM Precision Straight Teethed Transmission Spur Gear with Good quality

Product Description

OEM Precision Straight Teethed Transmission Spur Gear

1. Description

No. Item Description
1 Name Straight Gear
2 Size Products can be customized.
3 Manufacture Standard 5-8 Grade ISO1328-1997.
4 Material 45#Steel,20CrMnTi,40Cr,20CrNiMo,20MnCr5,GCR15SiMn,42CrMo,2Cr13stainless steel,Nylon,Bakelite,Copper,Aluminium.etc
5 Production Process The main process is Gear Hobbing, Gear Shaping and Gear Grinding, Selecting production process according to the different products.
6 Heat Treatment Carburizing and quenching ,High-frequency quenching,Nitriding, Hardening and tempering, Selecting heat treatment according to the different materials.
7 Testing Equipment Rockwell hardness tester 500RA, Double mesh instrument HD-200B & 3102,Gear measurement center instrument CNC3906T and other High precision detection equipments
8 Certification GB/T19001-2016/ISO9001:2015
9 Usage Used in printing machine, cleaning machine, medical equipment, garden machine, construction machine, electric car, valve, forklift, transportation equipment and various gear reducers.etc
10 Package According to customer’s request

2. Photos

 

 

 

3. Order process

a. Customer sends us the drawing or sample, If only sample, our company supply the CAD drawing.

b. Our company supplies the processing technique and quotation.

c. Our company supplies the sample after customer confirmed processing technique and quotation.

d. Customer places the order after confirm the sample.

e. Customer pay 50% deposit

f. Quantity production.

g. Pay the balance after the acceptance and confirmation.

h. Delivery.

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Application: Electric Cars, Machinery, Agricultural Machinery, Industry
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Gear Hobbing, Gear Shaping and Gear Grinding
Toothed Portion Shape: Involute
Material: 45#Steel,20crmnti,40cr,20CrNiMo,20mncr5,Gcr15simn,
Samples:
US$ 40/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

spur gear

How do you calculate the efficiency of a spur gear?

Calculating the efficiency of a spur gear involves considering the power losses that occur during gear operation. Here’s a detailed explanation:

In a gear system, power is transmitted from the driving gear (input) to the driven gear (output). However, due to various factors such as friction, misalignment, and deformation, some power is lost as heat and other forms of energy. The efficiency of a spur gear represents the ratio of the output power to the input power, taking into account these power losses.

Formula for Calculating Gear Efficiency:

The efficiency (η) of a spur gear can be calculated using the following formula:

η = (Output Power / Input Power) × 100%

Where:

η is the efficiency of the gear system expressed as a percentage.

Output Power is the power delivered by the driven gear (output) in the gear system.

Input Power is the power supplied to the driving gear (input) in the gear system.

Factors Affecting Gear Efficiency:

The efficiency of a spur gear is influenced by several factors, including:

  • Tooth Profile: The tooth profile of the gear affects the efficiency. Well-designed gear teeth with accurate involute profiles can minimize friction and power losses during meshing.
  • Lubrication: Proper lubrication between the gear teeth reduces friction, wear, and heat generation, improving gear efficiency. Insufficient or inadequate lubrication can result in increased power losses and reduced efficiency.
  • Gear Material: The selection of gear material affects efficiency. Materials with low friction coefficients and good wear resistance can help minimize power losses. Higher-quality materials and specialized gear coatings can improve efficiency.
  • Gear Alignment and Meshing: Proper alignment and precise meshing of the gear teeth are essential for optimal efficiency. Misalignment or incorrect gear meshing can lead to increased friction, noise, and power losses.
  • Bearing Friction: The efficiency of a gear system is influenced by the friction in the bearings supporting the gear shafts. High-quality bearings with low friction characteristics can contribute to improved gear efficiency.
  • Load Distribution: Uneven load distribution across the gear teeth can result in localized power losses and reduced efficiency. Proper design and gear system configuration should ensure even load distribution.

Interpreting Gear Efficiency:

The calculated gear efficiency indicates the percentage of input power that is effectively transmitted to the output. For example, if a gear system has an efficiency of 90%, it means that 90% of the input power is converted into useful output power, while the remaining 10% is lost as various forms of power dissipation.

It’s important to note that gear efficiency is not constant and can vary with operating conditions, lubrication quality, gear wear, and other factors. The calculated efficiency serves as an estimate and can be influenced by specific system characteristics and design choices.

By considering the factors affecting gear efficiency and implementing proper design, lubrication, and maintenance practices, gear efficiency can be optimized to enhance overall gear system performance and minimize power losses.

spur gear

What lubrication is required for spur gears?

The lubrication requirements for spur gears are essential to ensure smooth operation, minimize wear, reduce friction, and dissipate heat. Here’s a detailed explanation of the lubrication needed for spur gears:

Spur gears typically require lubricants that possess specific characteristics to provide effective lubrication. These lubricants should have the following properties:

  • Viscosity: The lubricant should have the appropriate viscosity to create a sufficient lubricating film between the gear teeth. The viscosity should be suitable for the operating conditions, including the load, speed, and temperature. Higher loads and speeds generally require higher viscosity lubricants to maintain an adequate lubricating film.
  • Extreme Pressure (EP) Properties: Spur gears may experience high contact pressures and sliding friction, especially during heavy load conditions. Lubricants with EP additives are necessary to provide enhanced protection against wear and prevent metal-to-metal contact between the gear teeth. EP additives form a protective film on the gear surfaces, reducing friction and extending gear life.
  • Anti-Wear (AW) Properties: Lubricants for spur gears should have anti-wear properties to protect the gear teeth from excessive wear and surface damage. AW additives form a protective layer on the gear surfaces, reducing friction and preventing metal-to-metal contact. This helps prolong the gear life and maintain gear system efficiency.
  • Oxidation and Corrosion Resistance: The lubricant should possess good oxidation resistance to withstand high operating temperatures without deteriorating. It should also provide corrosion protection to prevent rust and corrosion on the gear surfaces, especially in environments with moisture or aggressive contaminants.
  • Compatibility: The lubricant should be compatible with the materials used in the gear system, including the gear material, shafts, and bearings. It should not cause any adverse reactions or damage to the gear components. Consult the gear manufacturer’s recommendations for lubricant compatibility.

The specific type and grade of lubricant needed for spur gears depend on the application, operating conditions, and gear material. Common lubricants used for spur gears include mineral oils, synthetic oils, and grease. Synthetic lubricants are often preferred for their superior performance in terms of viscosity stability, oxidation resistance, and temperature extremes.

When applying lubrication to spur gears, ensure that the lubricant is evenly distributed across the gear teeth. Proper lubrication can be achieved through methods such as oil bath lubrication, oil mist lubrication, or oil application directly onto the gear teeth. The lubrication interval and quantity should be based on the gear system’s operating conditions and the lubricant manufacturer’s recommendations.

Regular inspection and maintenance of the gear system are necessary to monitor the lubricant condition, replenish as needed, and ensure the gears remain properly lubricated throughout their service life.

It is important to consult the gear manufacturer’s guidelines and recommendations, as they may provide specific lubrication requirements and considerations for their gear products.

spur gear

What are the benefits of using a spur gear mechanism?

Using a spur gear mechanism offers several benefits in various applications. Here’s a detailed explanation of the advantages of using a spur gear mechanism:

  • Simplicity: Spur gear mechanisms are relatively simple in design, consisting of cylindrical gears with straight teeth. Their simplicity makes them easy to manufacture, assemble, and maintain. They have fewer components compared to other types of gear mechanisms, resulting in lower complexity and potentially reduced costs.
  • Efficiency: Spur gears exhibit high efficiency in power transmission. The teeth of spur gears mesh directly, resulting in minimal energy loss during transmission. The simplicity of their tooth profile allows for efficient power transfer, making them an energy-efficient choice for many applications.
  • Compactness: Spur gears have a compact design, making them suitable for applications where space is limited. They can be arranged in-line, parallel to each other, or at right angles using additional components such as bevel gears. This flexibility in arrangement allows for efficient power transmission in tight spaces.
  • Versatility: Spur gears are versatile and can be used in a wide range of applications. They are available in various sizes, configurations, and materials, allowing them to be tailored to specific needs. Spur gears can handle different torque and speed requirements, making them suitable for both low and high-speed applications.
  • High-Speed Capability: Spur gears can achieve high rotational speeds due to their straightforward design and direct tooth engagement. They are capable of transmitting power efficiently at high speeds, making them suitable for applications that require rapid motion or high rotational velocities.
  • Precise Positioning: Spur gears provide accurate positioning due to their precise tooth engagement. The straight teeth allow for precise control of rotational motion, making them suitable for applications that require precise positioning, such as robotics, machinery, and automation systems.
  • Cost-Effectiveness: Spur gears are often cost-effective compared to other gear mechanisms. Their simple design and ease of manufacturing contribute to lower production costs. Additionally, their high efficiency helps reduce energy consumption, resulting in potential long-term cost savings.
  • Reliability: Spur gears are known for their reliability and durability. The direct tooth engagement provides excellent load distribution, minimizing stress concentration and wear. When properly lubricated and maintained, spur gears can operate reliably for extended periods, making them suitable for demanding industrial applications.
  • Wide Availability: Spur gears are widely available in the market, with various sizes, materials, and configurations to choose from. This availability ensures easy sourcing and replacement of gears when needed. Additionally, spur gears have been used for many years and have a well-established design and manufacturing process, leading to a robust supply chain.

These benefits make spur gear mechanisms a popular choice in numerous industries, including automotive, machinery, robotics, aerospace, appliances, and more. Their simplicity, efficiency, compactness, versatility, and reliability contribute to their widespread use in a wide range of applications.

China Custom OEM Precision Straight Teethed Transmission Spur Gear with Good qualityChina Custom OEM Precision Straight Teethed Transmission Spur Gear with Good quality
editor by CX 2024-01-11