China OEM China Manufacturers High Precision Steel Stainless Plastic Casting Double Spur Gear worm gear winch

Product Description

Product type Sintered metal parts / Planetary Sun Drive Spur Gea
Material Stainless steel,Steel(Iron,)Brass,Copper (According to product design requirements)
Tolerance ±0.01mm
Surface Treatment As your requirement
Application Tool industry,Automotive, instrument, electrical equipment, household appliances, furniture, mechanical equipment,daily living equipment, electronic sports equipment, light industry products, sanitation machinery, etc.
Shape Any other material and dimension depends on customers’ demand.
QC system 100% inspection before shipment
Returned Goods Managing With quality problem or deviation from drawings
Warranty Replacement at all our cost for rejected products
Payment terms T/T at sight, Paypal, Western Union,etc.
Lead time 7-15 working days as usual,It will based on the detailed order quantity.

Why Choose Us

1.  We have professional powder metallurgy production equipment and team;
2.  We can accompany customers to develop products;
3.  Just send an idea that you want to try, you don’t even need to know what powder metallurgy;
4.  Our sales will reply you within 24 hours to confirm further details and give the estimated quote time;
5.  Our team will evaluate your inquiry and provide our offer within next 1~3 working days.
 

Order Process

1.  You send us drawing or sample.
2.  We carry through project assessment.
3.  We give you our design for your confirmation.
4.  We make the sample and send it to you after you confirmed our design.
5.  You confirm the sample then place an order and pay us deposit.
6.  We start producing.
7.  When the goods is done, you pay us the balance after you confirmed pictures or tracking numbers.
8.  Trade is done, thank you!!

Additional Capabilities CAD Design Services CAM Programming Services Coordinate Measuring Machines (CMM) Reverse Engineering
 

Product Show

Some Parts We Manufacture

Self-Lubricated Bushing
Structural Parts
Gears

About Us

Design Tips: Powder Metallurgy Gears

1.  Radius > 0.25 mm is required to manufacture the die;
2.  Helical teeth should feature a helical angle < 30º in order to limit side pressure on the punches;
3.  Introduction of a draft angle > 5º in the upper diameter reduce the tooling cost;
4.  The distance between tooth root and central hub diameter must be: > 3 mm (Robust Tooling).

If you want to know more about the product, please send us a message.

 

The Powder Metallurgy Manufacturing Process

FAQ
Q: How can I get the quotation?
A: Please send us information for quote: drawing, material, weight, quantity and request,w can accept PDF, ISGS, DWG, STEP file format.
   If you don’t have drawing, please send the sample to us,we can quote based on your sample too.
 
Q: What’s your MOQ?
A: In general 1000pcs,but can accept low quantity in some special conditions.
 
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
 
Q: What about the leading time for mass production?
A: Honestly, it depends on the order quantity. Normally, 15 days to 20 days after your deposit if no tooling needed.
 
Q: What if the parts are not good?
A: We can guarantee good quality,but if happened,please contact us immediately, take some pictures, we will check on the problem,and solve it asap.
 
Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment

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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: Internal Gear
Customization:
Available

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Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

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

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.

spur gear

What industries commonly use spur gears?

Spur gears find wide applications across various industries due to their simplicity, efficiency, and versatility. Here’s a detailed explanation of the industries that commonly use spur gears:

  • Automotive Industry: The automotive industry extensively utilizes spur gears in various components and systems. They are commonly found in gearboxes, differentials, transmission systems, and engine timing mechanisms. Spur gears play a crucial role in transferring power and rotational motion between the engine, wheels, and other drivetrain components.
  • Machinery and Manufacturing: Spur gears are widely employed in machinery and manufacturing equipment across different sectors. They are used in conveyor systems, machine tools, printing presses, textile machinery, packaging machinery, and a variety of industrial applications. Spur gears facilitate power transmission and motion control in these systems.
  • Power Generation: Spur gears are essential in power generation systems such as wind turbines, hydroelectric turbines, and steam turbines. They are used to transmit power from the rotor to the generator, converting the rotational motion of the turbine blades into electricity. Spur gears enable efficient power transfer in these renewable energy systems.
  • Robotics and Automation: Spur gears have significant applications in robotics and automation systems. They are used in robotic joints, actuators, and drive systems to control motion and transmit torque accurately and efficiently. Spur gears enable precise movement and force transmission in robotic applications.
  • Aerospace and Aviation: The aerospace and aviation industries utilize spur gears in various applications. They can be found in aircraft landing gear systems, engine components, flight control systems, auxiliary power units (APUs), and other critical equipment. Spur gears play a vital role in transmitting power and controlling movement in these aerospace systems.
  • Marine and Shipbuilding: Spur gears are commonly used in the marine and shipbuilding industry. They find applications in propulsion systems, winches, steering mechanisms, and other equipment that require torque transmission and speed control. Spur gears enable efficient power transfer and maneuverability in marine vessels.
  • Appliances and Household Equipment: Spur gears are present in numerous household appliances and equipment. They are used in washing machines, dishwashers, mixers, food processors, garage door openers, and many other appliances that require rotational motion and power transmission. Spur gears facilitate the efficient operation of these household devices.
  • Power Tools: Spur gears are widely utilized in power tools such as drills, saws, grinders, and sanders. They enable the transmission of power from the motor to the tool’s cutting or grinding components, ensuring efficient and controlled operation. Spur gears contribute to the functionality and performance of power tools.
  • Medical Equipment: Spur gears are used in various medical devices and equipment. They can be found in imaging systems, surgical robots, medical pumps, and other applications that require precise motion control and torque transmission. Spur gears play a critical role in the functioning of medical equipment.
  • Clocks and Watches: Spur gears are a fundamental component in mechanical clocks and watches. They are responsible for accurate timekeeping by transferring rotational motion from the mainspring or oscillator to the hour, minute, and second hands. Spur gears have historical significance in timekeeping mechanisms.

These are just a few examples of the industries where spur gears are commonly used. Their simplicity, reliability, and efficiency make them a popular choice in a wide range of applications, enabling power transmission, motion control, and precise operation in diverse industrial sectors.

China OEM China Manufacturers High Precision Steel Stainless Plastic Casting Double Spur Gear worm gear winchChina OEM China Manufacturers High Precision Steel Stainless Plastic Casting Double Spur Gear worm gear winch
editor by Dream 2024-05-09