China Good quality Factory Wholesale CNC Machining Metal Spare Parts Grinding Spur Gear bevel gearbox

Product Description

HangZhou QY Precision Co., Ltd
 

QY Precision specializes in design and production of high precision metal parts and components. Focus on industry and action on demand, to be your trusted partner is our mission.

Our Advantages

Why choose QY Precision
 

About Us

QY Precision is located in HangZhou China, nearby HongKong. It is a CNC machining service factory. Offering high quality custom machining parts, it wins high reputation in both domestic and oversea market, established wonderful and long-term cooperation with many enterprises from different industries. All the parts are manufactured in China and  exported mainly to Japan/Canada/US & European markets.

Our Service
 

Fast communication, Professional technology, Excellent product quality, Reasonable Price and Wonderful after-sale service.

Application of Custom Machined Parts:

All the parts from QY Precision are widely used in medical, electronic gadgets, electrical appliances, furniture, building, toys, motor cycles, racing cars, machine parts, kitchenware, sport equipment, music instruments, robots, machinery and many other fields.

Material Capability:

QY Precision Cooperates with domestic and foreign brand original manufacturers to optimize materials to ensure product quality and increase product life. At the same time, all materials can provide certification documents.
 

CNC Processing Ability:

We have a large number of machines to meet Turning/Milling/Drilling/Stamping etc. different processing, such as CNC machining center 3-Axis, 4-Axis and 5-Axis, CNC lathe machine, CNC automatic lathe machine, Punching machine, grinder, precision internal/external grinding, wire cutting, spark machine, etc. The detection equipment: projector, altimeter, digital micrometer, digital caliper, quick gauge, plug gauge, internal/displacement gauge and other high-precision testing instruments, the detection accuracy up to 0.001mm.

Surface Treatment from QY Precision:

Heat Treatment, Painting, Power Coating, Black Oxide, Silver/Gold plating, Electrolytic Polishing, Nitrided, Phosphating, Nickel/Zinc/Chrome/TiCN Plated, Anodizing, Polishing, Passivation, Sandblasting, Galvanizing, Heating Treatment, Harden, Laser mark etc. as customer requested.
 

 

Detailed Photos

Factory Wholesale CNC Machining Metal Spare Parts Grinding Spur Gear

Gear Introduction



 

Bevel Gears

Bevel gears are most commonly used to transmit power between shafts that intersect at a 90 degree angle. They are used in applications where a right angle gear drive is required. Bevel gears are generally more costly and are not able to transmit as much torque, per size, as a parallel shaft arrangement.

 

Worm Gear

Worm gears transmit power through right angles on non-intersecting shafts. Worm gears produce thrust load and are good for high shock load applications but offer very low efficiency in comparison to the other gears. Due to this low efficiency, they are often used in lower horsepower applications.

 

Helical Gears

Helical gears have teeth that are oriented at an angle to the shaft, unlike spur gears which are parallel. This causes more than 1 tooth to be in contact during operation and helical gears can carry more load than spur gears. Due to the load sharing between teeth, this arrangement also allows helical gears to operate smoother and quieter than spur gears. Helical gears produce a thrust load during operation which needs to be considered when they are used. Most enclosed gear drives use helical gears.

 

Spur Gears

Spur gears transmit power through shafts that are parallel. The teeth of the spur gears are parallel to the shaft axis. This causes the gears to produce radial reaction loads on the shaft, but not axial loads. Spur gears tend to be noisier than helical gears because they operate with a single line of contact between teeth. While the teeth are rolling through mesh, they roll off of contact with 1 tooth and accelerate to contact with the next tooth. This is different than helical gears, which have more than 1 tooth in contact and transmit torque more smoothly.

 

Hypoid Gears

Hypoid gears look very much like a spiral bevel gear, but unlike spiral bevel gears, they operate on shafts which do not intersect. In the hypoid arrangement because the pinion is set on a different plane than the gear, the shafts are supported by the bearings on either end of the shaft.

 

Herringbone Gears

Herringbone gears are very similar to the double helical gear, but they do not have a gap separating the 2 helical faces. Herringbone gears are typically smaller than the comparable double helical and are ideally suited for high shock and vibration applications. Herringbone gearing is not used very often due to their manufacturing difficulties and high cost.

FAQ

1.How to get a quote?
Kindly send us the drawing of your product,please. Including details as below: a.Materials b. Surface Finish c. Tolerance d. Quantity If you need solutions for your application, kindly send us your detail requirements, and we will have engineers to service you.

2.How does the payment process work?
Payment terms are flexible for us. We can accept different type payment way.

3.How do I know about the production?
We will double confirm your requirements and send you the sample before the mass production as you required. During the mass production,

4.How do I know about the delivery?
Before shipment we will confirm with you about all the details including CI and other attention issues. After ship out, we will inform you of the tracking number and keep updating the latest shipping information for you.

5.What will you do for after sales?
We will follow up and await your feedback. Any question related to our metal parts, our experienced engineers are ready to help. And welcome to contact for any supporting of your other application even if their is no relationship with our products.

Packaging & Shipping

After-sales Service: Yes
Warranty: Yes
Color: OEM
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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

spur gear

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.

spur gear

What is the lifespan of a typical spur gear?

The lifespan of a typical spur gear can vary significantly depending on several factors. Here’s a detailed explanation:

The lifespan of a spur gear is influenced by various factors, including:

  • Operating Conditions: The conditions under which the spur gear operates greatly impact its lifespan. Factors such as the magnitude and frequency of the applied loads, operating temperature, speed, and lubrication quality play a significant role. Gears operating under heavy loads, high speeds, or harsh environments may experience higher wear and fatigue, potentially reducing their lifespan.
  • Material Selection: The material used for constructing the spur gear affects its durability and lifespan. Spur gears are commonly made from materials such as steel, cast iron, bronze, or polymer composites. The specific material properties, including hardness, strength, and resistance to wear and corrosion, influence the gear’s ability to withstand the operating conditions and determine its lifespan.
  • Quality of Manufacturing: The quality of manufacturing processes and techniques employed during the production of the spur gear can impact its lifespan. Gears manufactured with precision, accurate tooth profiles, and proper heat treatment are more likely to have longer lifespans compared to those with manufacturing defects or poor quality control.
  • Lubrication and Maintenance: Proper lubrication is crucial for reducing friction, wear, and heat generation in spur gears. Regular maintenance practices, including lubricant replacement, gear inspections, and addressing any issues promptly, can significantly extend the lifespan of the gears. Inadequate lubrication or neglecting maintenance can lead to premature wear and failure.
  • Load and Stress Distribution: The design and configuration of the gear system affect the load and stress distribution on the spur gears. Proper gear design, including tooth profile, number of teeth, and gear arrangement, helps ensure even load distribution and minimizes localized stress concentrations. Well-designed supporting components, such as bearings and shafts, also contribute to the overall lifespan of the gear system.

It is challenging to provide a specific lifespan for a typical spur gear since it depends on the aforementioned factors and the specific application. Spur gears can have lifespans ranging from several thousand to millions of operating cycles. Industrial gear systems often undergo regular inspections and maintenance, including gear replacement when necessary, to ensure safe and reliable operation.

It’s important to note that gear lifespan can be extended through proper care, maintenance, and adherence to recommended operating parameters. Regular inspections, monitoring of gear performance, and addressing any signs of wear or damage promptly can help maximize the lifespan of spur gears.

When assessing the lifespan of spur gears for a particular application, it is advisable to consult manufacturers, industry standards, and experts with expertise in gear design and maintenance for accurate estimations and recommendations.

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 Good quality Factory Wholesale CNC Machining Metal Spare Parts Grinding Spur Gear bevel gearboxChina Good quality Factory Wholesale CNC Machining Metal Spare Parts Grinding Spur Gear bevel gearbox
editor by CX 2023-11-02