Product Description
| Product type | sintered iron double gears(Spur and Helical) |
| Material | Stainless steel,Steel(Iron,)Brass,Copper |
| Tolerance | ±0.01mm |
| Application | Tool industry,Gear box |
| Shape | Custom |
| QC system | 100% inspection before shipment |
| Payment terms | T/T at sight, Paypal, Western Union,etc. |
| Lead time | 7-15 working days |
Customized products
It’s a custom product, which means you can’t buy it directly. Of course, we also have generic types of products. You can check out our fast product delivery categories.
Product Description
Desigh Tips:
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).
Product customization 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
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.
Some Parts We Manufacture
Self-Lubricated Bushing
Structural Parts
Gears
About Us
DERYOUNG Technology company is a professional metal parts manufacturer, which with more than 20 years of experience in the development and production of sintered metals. Each year we produce more than 100 million premium sintered metal parts for our customers. We are mainly produce oil bearing, gear, and metal parts. We support our customers in the design and material selection of sintered parts, providing the best solution for your applied parts through our specialized equipment compression molds, furnaces, handling, sizing, deburring and impregnation processes.
Powder metallurgy process
Characteristics of Powder Metallurgy Gears
Powder metallurgy (PM) is a versatile manufacturing process that involves the production of components from powdered metal. Gears manufactured using this process, known as powder metallurgy gears, possess several unique characteristics that make them highly desirable in various industries. In this article, we will explore some of the key features and advantages of powder metallurgy gears.
1. Cost-effective production: Powder metallurgy gears offer significant cost advantages compared to gears produced through traditional methods such as forging or machining. The PM process allows for a high material utilization rate, reducing wastage and minimizing production costs. Additionally, the elimination of expensive machining operations results in lower labor and tooling costs, making powder metallurgy gears an economical choice for gear manufacturers.
2. Design flexibility: Powder metallurgy gears provide excellent design flexibility, allowing for the production of complex gear geometries that are difficult to achieve using conventional manufacturing techniques. The PM process enables the production of gears with intricate shapes, including internal and external splines, helical gears, and bevel gears. This flexibility in design allows gear manufacturers to meet specific application requirements and optimize gear performance.
3. Enhanced material properties: Powder metallurgy gears exhibit superior material properties compared to gears made using conventional methods. The PM process allows for the use of a wide range of alloy compositions, including low-alloy steels, stainless steels, and non-ferrous materials such as bronze and brass. By carefully selecting the alloy composition and controlling the powder metallurgy process parameters, gear manufacturers can achieve desired mechanical properties such as high strength, wear resistance, and fatigue resistance.
4. Improved dimensional accuracy: Powder metallurgy gears offer excellent dimensional accuracy and tight tolerances. The PM process involves pressing metal powders into a die cavity, followed by sintering at high temperatures. This sintering process results in a net-shape or near-net-shape component, minimizing the need for secondary machining operations. The ability to produce gears with precise dimensions ensures proper meshing and alignment, leading to improved gear performance and reduced noise levels.
5. Enhanced surface finish: Powder metallurgy gears typically have a smooth surface finish, eliminating the need for additional finishing operations such as grinding or polishing. The sintering process helps to consolidate the metal powders, resulting in a dense and uniform structure. This uniformity contributes to improved gear surface quality, reduced friction, and enhanced gear efficiency.
6. Reduced material waste: The powder metallurgy process minimizes material waste compared to traditional manufacturing methods. The ability to accurately control the powder composition and shape during the pressing stage ensures efficient material utilization. Additionally, any excess powder generated during the pressing process can be recycled, further reducing material waste and contributing to a more sustainable manufacturing process.
7. Consistent quality: Powder metallurgy gears offer consistent and reliable quality. The PM process allows for precise control over the production parameters, ensuring consistent material properties and gear performance. This consistency is crucial for applications that require high precision and reliability, such as automotive transmissions, industrial machinery, and aerospace systems.
In conclusion, powder metallurgy gears possess several distinct characteristics that make them highly advantageous in various industries. Their cost-effectiveness, design flexibility, enhanced material properties, improved dimensional accuracy, enhanced surface finish, reduced material waste, and consistent quality make them a preferred choice for gear manufacturers. As technology continues to advance, powder metallurgy gears are likely to play an increasingly significant role in the production of high-performance gears.
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, Agricultural Machinery, Car |
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| Hardness: | Hardened Tooth Surface |
| Gear Position: | External Gear |
| 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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How do you address noise and vibration issues in a spur gear system?
Noise and vibration issues in a spur gear system can significantly impact its performance, efficiency, and overall user experience. Here’s a detailed explanation of how to address noise and vibration issues in a spur gear system:
- Gear Design: Optimize the gear design to minimize noise and vibration. Consider factors such as tooth profile, gear module or pitch, and the number of teeth to ensure smooth and quiet gear operation. Proper gear design helps reduce gear meshing impacts and tooth-to-tooth variations, which are common sources of noise and vibration.
- Accurate Gear Alignment: Ensure precise gear alignment to minimize misalignment-induced noise and vibration. Misalignment between the gears can cause uneven loading, increased backlash, and gear meshing irregularities, leading to noise and vibration. Proper alignment techniques, such as using alignment tools or measuring devices, should be employed during gear installation and maintenance.
- Surface Finish and Tooth Quality: Ensure proper surface finish and high-quality tooth profiles on the gears. Rough surfaces or manufacturing defects can contribute to noise and vibration. Gears with accurate tooth profiles and smooth finishes experience better meshing and reduced friction, resulting in lower noise and vibration levels.
- Lubrication: Proper lubrication is crucial for reducing friction, wear, and noise generation in spur gear systems. Use the recommended lubricant type and ensure sufficient lubricant film thickness between gear teeth. Regular lubricant analysis and replacement are important to maintain optimal lubrication performance and minimize noise and vibration issues.
- Load Distribution: Evaluate the load distribution within the gear system to minimize localized loading and potential noise sources. Proper gear design, tooth profile optimization, and gear arrangement can help distribute the load evenly, reducing noise and vibration caused by uneven loading conditions.
- Resonance Analysis and Damping: Conduct resonance analysis to identify and address potential resonant frequencies within the gear system. Resonance can amplify noise and vibration. Techniques such as adding damping materials, using vibration isolators, or adjusting gear configurations can help mitigate resonance-related noise and vibration issues.
- Noise and Vibration Testing: Perform noise and vibration testing during the development and maintenance stages of the gear system. This involves using specialized equipment to measure and analyze noise and vibration levels. Testing helps identify specific sources of noise and vibration, allowing for targeted solutions and improvements.
- Isolation and Absorption: Implement isolation and absorption techniques to minimize noise and vibration transmission to surrounding structures or components. This can include using vibration isolators, resilient mounts, or incorporating vibration-absorbing materials to reduce the propagation of noise and vibration beyond the gear system.
- Regular Maintenance and Inspection: Implement a proactive maintenance program to monitor gear performance and identify potential noise and vibration issues. Regular inspections, including gear tooth wear analysis, lubricant checks, and alignment verification, allow for early detection and rectification of any problems that may contribute to noise and vibration.
By considering these approaches and implementing appropriate measures, it is possible to address noise and vibration issues in a spur gear system, resulting in quieter and smoother gear operation.
It’s important to note that the specific techniques and solutions for addressing noise and vibration may vary depending on the gear system’s application, design, and operating conditions. Consulting with gear manufacturers, industry experts, or vibration specialists can provide further guidance in addressing noise and vibration issues specific to a spur gear system.
Can you provide examples of machinery that use spur gears?
Spur gears are widely used in various machinery and mechanical systems due to their simplicity, efficiency, and versatility. Here are some examples of machinery and equipment that commonly utilize spur gears:
- Automotive Industry: Spur gears are found in various automotive applications, including manual transmissions, differential gears, and starter motors. They are used to transmit power and torque efficiently in these systems.
- Mechanical Clocks and Watches: Traditional mechanical clocks and watches often utilize spur gears to transfer rotational motion from the mainspring to the hour, minute, and second hands. These gears play a crucial role in accurate timekeeping.
- Printing Presses: Spur gears are employed in printing presses to synchronize the movement of different components, such as rollers and paper feed mechanisms. They ensure precise and coordinated operation during the printing process.
- Industrial Machinery: Many types of industrial machinery rely on spur gears, including conveyors, packaging equipment, textile machinery, and machine tools. Spur gears help transmit power and control the movement of various components in these machines.
- Power Plants: Spur gears can be found in power generation facilities, such as steam turbines and gas turbines. They help transfer rotational motion from the turbine shaft to the generator shaft, enabling the production of electrical power.
- Agricultural Equipment: Agricultural machinery, such as tractors, combines, and harvesters, often utilize spur gears in their drive systems. These gears help transmit power from the engine to the wheels or other operational components.
- Robotics and Automation Systems: Spur gears are commonly used in robotics and automation systems to transmit power and control the movement of robotic arms, conveyor systems, and other mechanical components.
- Power Tools: Many power tools, including drills, saws, and grinders, incorporate spur gears in their gearboxes. These gears help increase torque and provide the necessary speed reduction for efficient tool operation.
These examples represent just a few of the many applications where spur gears are utilized. Spur gears’ simplicity, cost-effectiveness, and ability to handle high load capacities make them suitable for a wide range of machinery and mechanical systems in various industries.
It’s important to note that different gear types, such as helical gears, bevel gears, or planetary gears, may also be used in conjunction with spur gears or in different applications depending on specific requirements and design considerations.
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 2024-04-02