Product Description
| Certification | ISO9001:2018 SGS TS16949 |
| Quality | 100% Inspection |
| Machining equipment |
CNC maching,CNC Turning, CNC Milling ,CNC center machine, auto lathe machine, Wire-cutting Machine CNC punching machines, CNC bending machines CNT stamping machine, CNC/auto lathe machine , Drilling machine, Hydraulic machine,Riveting machine , Tapping machine, welding machine, Film attaching machine Aluminum extrusion machine,Casting machine,Plastic injection machine,etc. |
| Materials |
Aluminum, Steel, SPCC, SGCC,SECC, SPTE,Stainless steel, Brass, Copper, Bronze, ABS, PC, PO, POM, Nylon, etc. |
| Surface finish |
Anodized, Oxide, Plating, Brushing, Polishing, Blackened, Powder coating, Sandblasting, Laser engraving Zn-plating, Ni-plating, Cr-plating, Tin-plating, copper-plating, the wreath oxygen resin spraying, the heat disposing, hot-dip galvanizing, black oxide coating, painting, powdering, color zinc-plated, blue black zinc-plated,rust preventive oil, titanium alloy galvanized, silver plating, plastic, electroplating, anodizing etc. |
| Inspection Equipment |
CMM, Projection, Calipers, Micro caliper, Thread Micro caliper, Pin   gauge, Caliper gauge, Pass meter, Pass meter etc. |
| Drawing formation | PDF, CAD/DWG/DXF, IGS/STP etc. |
We focus on CNC processing ,cold heading and casting and sheet metal machining services, with more than 150 processing equipment and professional testing equipment, and several professional engineers. We focus on developing the field of hardware parts and provide customers with OEM and ODM services. Through years of accumulation, we have accumulated rich experience and inventory. Our customers have spread all over the world. In order to meet the requirements of different customers, we are constantly expanding our Production capacity and R&D capacity, look CHINAMFG to cooperating with you.
1.We have Specialized QC testers to check the products quality according to customers’ needs.
2.We have IQC to check the dimensions and surface of the incoming material.
3.We have PQC to inspect  full-course during the processing.
4.We have FQC to inspect all the plating products from outsides and make the 100% inspection before the shipments.
FAQ
Q1: Why choose ZheJiang n?
To provide our customers with first-class services in the supply of quality screws minimizing costs.
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Q2: How is quality ensured?
All our processes strictly adhere to ISO9001:2018 procedures. We have strict quality control from producing to delivery. Our company had strong technology support, 80% of our colleagues are master or bachelor’s degree. We have cultivated a group of managers who are familiar with product quality , good at modern concept of management.
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Q3: Can You Strictly Follow The Tolerance on The Drawing And Meet The High Precision?
Yes, we can, we can provide high precision parts and make the parts as your drawing.
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Q4: How should I order and make payment?
By T/T, for samples 100% with the order; for production, 30% paid for deposit by T/T before production arrangement, the balance to be paid before shipment. negotiation accepted.
Q5: What’s your Delivery Time?
Standard parts: 7-20days
Non-standard parts: 15-25days
We will make the delivery as soon as possible with the guarantee quality
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Q6:How to Custom-made (OEM/ODM)?
If you have a new product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.
Q7:Which mode of transport would be better?
In general, the product are heavy, we advice to make delivery by sea, Also we respect your views of other transportation as well.
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| Certification: | CE, ISO |
|---|---|
| Pulley Sizes: | Custom |
| Manufacturing Process: | CNC Machining |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | Order Sample Custom
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| Customization: |
Available
| Customized Request |
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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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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Are there different types of drive pulleys, and how do they differ in their applications?
Yes, there are different types of drive pulleys available, each designed for specific applications based on factors such as power requirements, belt type, speed, and environmental conditions. These different types of drive pulleys offer variations in design, construction, and features to suit various industrial applications. Here’s an overview of some common types of drive pulleys and how they differ in their applications:
1. Flat Belt Pulleys:
Flat belt pulleys have a flat cylindrical surface and are typically used with flat belts. They are commonly found in applications where moderate power transmission is required, such as in light-duty machinery, conveyor systems, and agricultural equipment. Flat belt pulleys are known for their simplicity, cost-effectiveness, and ease of installation. They are available in various sizes and materials, including cast iron, steel, and aluminum.
2. V-Belt Pulleys:
V-belt pulleys have a V-shaped groove on their cylindrical surface and are designed to work with V-belts. The V-groove helps improve belt grip and prevents slippage, making them suitable for high-power transmission applications. V-belt pulleys are commonly used in automotive engines, industrial machinery, HVAC systems, and heavy-duty equipment. They are available in different configurations, including single-groove, multi-groove, and variable speed pulleys.
3. Timing Belt Pulleys:
Timing belt pulleys are designed to work with timing belts, also known as synchronous belts. These pulleys have teeth or grooves on their surface that mesh with corresponding teeth on the timing belt, providing precise and synchronous power transmission. Timing belt pulleys are commonly used in applications that require accurate positioning and synchronization of components, such as CNC machines, robotics, printing presses, and automotive engine systems.
4. Chain Drive Sprockets:
Chain drive sprockets are used in systems that utilize roller chains for power transmission. These pulleys have teeth or cogs that mesh with the links of the roller chain, enabling efficient power transfer. Chain drive sprockets are commonly used in heavy-duty applications, such as industrial machinery, conveyors, motorcycles, bicycles, and agricultural equipment. They are available in various configurations, including single-strand, double-strand, and multi-strand sprockets.
5. Cone Pulleys:
Cone pulleys have a tapered or conical shape and are used in applications that require variable speed drives. By adjusting the position of the belt on the conical surface, the effective pulley diameter changes, resulting in different speeds. Cone pulleys are commonly found in machine tools, drill presses, lathes, and other equipment where variable speed control is necessary.
6. Magnetic Pulleys:
Magnetic pulleys are designed with a magnetic surface to attract and hold ferrous materials. They are used in applications such as magnetic separators, material handling systems, recycling, and mining industries. Magnetic pulleys are effective in removing tramp iron or unwanted metal contaminants from conveyed materials.
These are just a few examples of the different types of drive pulleys available. Each type has its own specific design and features that make it suitable for particular applications based on factors like power transmission requirements, belt compatibility, speed control, and environmental conditions. It’s important to select the appropriate type of drive pulley based on the specific needs and operating conditions of the application to ensure optimal performance and longevity.
What role do drive pulleys play in automotive engines and accessory drive systems?
Drive pulleys play a crucial role in automotive engines and accessory drive systems, contributing to the proper functioning of various components and systems. They are responsible for transferring power from the engine to auxiliary components, such as the alternator, water pump, power steering pump, and air conditioning compressor. Here are the key roles of drive pulleys in automotive engines and accessory drive systems:
1. Power Distribution:
Drive pulleys are responsible for distributing power from the engine’s crankshaft to various accessory components in the vehicle. They are typically connected to the crankshaft by a drive belt or serpentine belt. As the engine rotates, the drive pulleys transmit rotational motion to the connected accessories, enabling them to perform their respective functions. By efficiently distributing power, drive pulleys ensure the proper operation of essential components.
2. Belt Routing:
Drive pulleys assist in determining the belt routing in automotive accessory drive systems. The pulleys are strategically positioned to guide the belt along the desired path, ensuring proper engagement with each accessory component. The correct belt routing is crucial for optimal power transfer, belt tension, and overall system performance. Drive pulleys serve as guiding mechanisms, contributing to the proper alignment and operation of the belt in the system.
3. Speed and Torque Conversion:
Drive pulleys, in conjunction with the belt or pulley size ratios, enable speed and torque conversion in automotive accessory drive systems. By varying the size ratio between the driving and driven pulleys, different speed and torque relationships can be achieved. This allows the accessories to operate at their required speeds and generate the necessary torque for their functions. Drive pulleys play a role in adapting the engine’s rotational speed and torque to match the specific requirements of each accessory component.
4. Load Management:
Drive pulleys help manage the load on the engine by driving auxiliary components only when needed. For example, the alternator is driven by a pulley that converts rotational motion into electrical energy to charge the battery and power the electrical systems. By engaging the alternator only when necessary, the load on the engine is reduced during acceleration, improving overall engine performance and fuel efficiency. Drive pulleys contribute to load management and optimize the balance between power generation and engine output.
5. System Synchronization:
In some automotive engines, drive pulleys play a role in system synchronization. For instance, engines with variable valve timing mechanisms may utilize pulleys with adjustable timing marks or teeth. These pulleys help synchronize the movement of the camshafts with the crankshaft, ensuring precise valve timing and optimizing engine performance. Drive pulleys contribute to the synchronization of critical engine components, enhancing efficiency and power output.
6. Tensioning and Belt Alignment:
Drive pulleys assist in maintaining proper belt tension and alignment in automotive accessory drive systems. Tensioning pulleys, also known as idler pulleys, are used to apply tension to the belt, ensuring it remains properly engaged with the drive and driven pulleys. Belt alignment is essential for preventing slippage, reducing wear, and maximizing power transfer efficiency. Drive pulleys, along with tensioning pulleys, help maintain optimal belt tension and alignment, contributing to the overall reliability and performance of the accessory drive system.
7. System Reliability and Serviceability:
Drive pulleys play a role in ensuring the reliability and serviceability of automotive accessory drive systems. Well-designed pulleys with durable materials and proper groove profiles minimize wear and extend the life of the drive belt. Additionally, drive pulleys are often designed for easy installation, adjustment, and replacement, simplifying maintenance tasks. This contributes to efficient servicing and reduces downtime in automotive engines and accessory drive systems.
In summary, drive pulleys are integral components in automotive engines and accessory drive systems. They facilitate power distribution, belt routing, speed and torque conversion, load management, system synchronization, tensioning, and belt alignment. By performing these roles, drive pulleys contribute to the reliable and efficient operation of auxiliary components, enhancing the overall performance of automotive engines.
Can you explain the key components and design features of a drive pulley?
A drive pulley consists of several key components and design features that enable its proper functioning and efficient power transmission. Understanding these components and design features is essential for the effective selection and utilization of drive pulleys. Here are the main components and design features of a drive pulley:
1. Pulley Body:
The pulley body is the main structure of the drive pulley. It is typically a cylindrical or disk-like component that provides the foundation for the other components. The pulley body is usually made of materials such as steel, cast iron, or aluminum, chosen for their strength, durability, and resistance to wear and corrosion. The body is designed to withstand the forces and stresses encountered during operation.
2. Pulley Rim:
The pulley rim is the outer edge of the drive pulley, and it is where the belt or chain makes contact. The rim is often larger in diameter than the central portion of the pulley to provide a surface for the belt or chain to ride on. It is designed with a specific profile, such as a V-groove or a flat surface, depending on the type of belt or chain being used. The rim’s shape and surface ensure proper engagement and grip, preventing slippage and ensuring efficient power transfer.
3. Hub or Bore:
The hub or bore is the central opening in the drive pulley that allows it to be mounted on a shaft. The hub is typically cylindrical in shape and is sized to fit the diameter of the shaft. It may have keyways, splines, or other features to provide a secure connection with the shaft and prevent slippage. The hub is often secured to the shaft using fasteners such as set screws, keyways, or locking mechanisms.
4. Keyway and Key:
Many drive pulleys have a keyway and key arrangement to ensure a secure and non-slip connection with the shaft. The keyway is a slot cut into the pulley’s bore, while the key is a rectangular metal piece that fits into the keyway. The key prevents relative rotation between the pulley and the shaft, ensuring that the rotational motion is effectively transferred. The keyway and key mechanism provide a strong and reliable connection, especially in applications with high torque or heavy loads.
5. Balancing Features:
Drive pulleys are often balanced to minimize vibration and ensure smooth operation. Imbalances in the pulley can lead to increased wear, noise, and reduced efficiency. Balancing features, such as counterweights or precision machining, are incorporated into the pulley design to achieve proper balance. This helps to maintain the stability and long-term performance of the drive pulley and the entire mechanical system.
6. Flanges and Guards:
In some applications, drive pulleys are equipped with flanges or guards. Flanges are raised edges located on either side of the pulley rim to prevent the belt or chain from slipping off during operation. Flanges help maintain the belt’s alignment and ensure proper engagement with the pulley. Guards, on the other hand, are protective covers that enclose the pulley, preventing contact with moving parts and enhancing safety in the surrounding environment.
7. Surface Coatings and Treatments:
Drive pulleys may undergo surface coatings or treatments to enhance their performance and longevity. These coatings can include materials such as rubber, polyurethane, or ceramic, which provide improved grip, wear resistance, and reduced friction between the pulley and the belt or chain. Surface treatments can also include processes like heat treatment or hardening to increase the pulley’s hardness and durability, particularly in demanding applications.
These are the key components and design features of a drive pulley. By considering these factors and selecting the appropriate pulley design for a specific application, engineers and designers can ensure optimal power transmission, reliability, and longevity in mechanical systems.
editor by CX
2024-05-03