Product Description
| Product name | 608zz Wheel Roller U pulley for sliding Door and window |
| Model number | Door Roller |
| Bore size | 5-10mm |
| Outside size | 5-5mm |
| Bearing material | Chrome steel, carbon steel, iron, high carbon steel |
| MOQ | 50000 PCS |
| Price terms | EXW, FOB, CIF |
| Payment terms | T/T, L/C, Paypal, Credit card |
| Production time | Depends on the quantity, normally 35-45 days. |
| Package | PE bag+white box+outer carton+pallet, or as customers’ requirement. |
| Application | Used in door, window, furniture and sports equipment. |
1. Pre-sale service: Our professional sales will reply your inquiry within 48 hours and introduce the structure and usage of the products.
2. On-purchase service: After customers placed the order, we will prepare the goods ASAP to make sure the delivery on time. Any delay will be notified in advance.
3. After-sale service: If there is any damage during delivery, the cost will be taken by our company and if there is problem during the warranty period, we will replace or refund it.
4. OEM service: We have advanced technology and experienced technicians to support the professional customized all kinds of bearing to meet different requirements.
Q: Are your company is a trading company or manufacturer?
A:We have our own factory as well we do the trade by our selves.
Q:How long is your delivery time?
A:Usually 5-10 days if we have the stock,if not,it will be 25-35 days. But it always depend on the quantity.
Q:Do you provide the free samples?
A:Yes,we’d like to.But you need to pay the freight fee,or we will return the cost when receiving your order.
Q:Can you do the OEM/ODM services?
A:Of course we can,We can be customized according to your requirements or drawings.
| Warranty: | 1 Year |
|---|---|
| Certification: | CE |
| Splittable: | Splittable |
| Surface Treatment: | Aluminium |
| Material: | Nylon |
| Weight: | Customized |
| Samples: |
US$ 0.25/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How are wheel pulleys employed in automotive engines and accessories?
Wheel pulleys play a crucial role in automotive engines and accessories, contributing to various functions and systems. Here’s a detailed explanation:
1. Serpentine Belt System:
Wheel pulleys are commonly employed in automotive engines as part of the serpentine belt system. This system consists of a single, continuous belt that drives multiple accessories and systems in the engine, such as the alternator, power steering pump, water pump, air conditioning compressor, and more. The wheel pulleys, also known as idler pulleys or tensioner pulleys, are strategically positioned along the belt path to guide and tension the belt, ensuring proper engagement and power transfer to the accessories.
2. Power Transmission:
In automotive engines, wheel pulleys are integral to power transmission. The crankshaft pulley, often the largest wheel pulley in the system, transfers the rotational motion from the engine’s crankshaft to the serpentine belt. The belt then distributes this power to the various accessories, allowing them to operate and perform their respective functions. Wheel pulleys enable efficient power transmission, maintaining the overall performance and functionality of the engine and its accessories.
3. Belt Tension and Alignment:
Wheel pulleys in automotive engines are designed to maintain proper belt tension and alignment. Tensioner pulleys are equipped with mechanisms that apply tension to the serpentine belt, ensuring it remains tight and properly engaged with the pulleys. Idler pulleys guide the belt along its path and help maintain its alignment, preventing slippage or disengagement. Proper tension and alignment provided by wheel pulleys are crucial for the reliable operation of the serpentine belt system.
4. Overrunning Alternator Pulley:
An overrunning alternator pulley (OAP) is a specialized type of wheel pulley used in automotive alternator systems. The OAP allows the alternator to freewheel or decouple from the engine during certain conditions, reducing drag and improving fuel efficiency. It incorporates a one-way clutch mechanism that allows the alternator to rotate freely in one direction while locking in the other direction when the engine is generating power. The OAP wheel pulley contributes to smoother operation, reduced vibrations, and improved overall efficiency of the alternator system.
5. Customization and Performance:
Automotive wheel pulleys can be customized and optimized for specific applications to enhance performance. They can be designed with specific groove profiles, dimensions, or surface coatings to maximize belt engagement, reduce noise, or improve durability. Additionally, lightweight materials such as aluminum or composite alloys are often used to reduce rotational mass and improve engine efficiency.
6. Maintenance and Replacement:
Proper maintenance and timely replacement of wheel pulleys are essential in automotive engines and accessories. Regular inspection helps identify any wear, misalignment, or damage to the pulleys or belts, ensuring optimal performance and preventing potential failures. When necessary, damaged or worn wheel pulleys should be replaced to maintain the reliability and functionality of the engine and its accessories.
Overall, wheel pulleys play a vital role in automotive engines and accessories, contributing to power transmission, belt tension, alignment, and overall system performance. Their inclusion in serpentine belt systems and specialized applications like overrunning alternator pulleys ensures the efficient and reliable operation of automotive engines and accessories.
Can wheel pulleys be customized for specific machinery and equipment?
Yes, wheel pulleys can be customized to meet the specific requirements of machinery and equipment. Here’s a detailed explanation of how wheel pulleys can be customized:
1. Pulley Size and Diameter:
Wheel pulleys can be manufactured in various sizes and diameters to match the specific dimensions and space constraints of the machinery or equipment. Customizing the pulley size ensures proper fitment and optimal power transmission.
2. Material Selection:
Depending on the application and environmental conditions, the material of the wheel pulley can be customized. Common materials used for wheel pulleys include metals such as steel, aluminum, or cast iron, as well as high-strength plastics. The choice of material is based on factors such as load capacity, durability, corrosion resistance, and weight considerations.
3. Shaft and Bearing Design:
The shaft and bearing design of the wheel pulley can be tailored to suit the specific load requirements and operating conditions of the machinery or equipment. This involves selecting the appropriate bearing type, size, and lubrication method. Additionally, the shaft can be customized in terms of length, diameter, and keyway specifications.
4. Pulley Groove Profile:
The groove profile of the wheel pulley can be customized to match the specific type of belt, rope, or cable used in the power transmission system. Different profiles, such as V-shaped, round, or flat, can be machined into the pulley to ensure proper engagement and grip with the power transmission element.
5. Surface Coatings and Treatments:
In certain applications, wheel pulleys may require surface coatings or treatments to enhance their performance. Customizable options include corrosion-resistant coatings, wear-resistant treatments, or special finishes to reduce friction and improve overall efficiency.
6. Integration of Additional Features:
Depending on the machinery or equipment’s unique requirements, wheel pulleys can be customized to integrate additional features or components. For example, pulleys can be designed with built-in keyways, set screws, or flanges for easy installation and alignment. Customized pulleys can also accommodate specific belt tensioning mechanisms or belt tracking systems.
7. Balancing and Precision Machining:
For high-speed applications or machinery that demands precise operation, wheel pulleys can undergo customized balancing and precision machining processes. This ensures smooth operation, minimizes vibrations, and reduces wear on the power transmission system.
By offering customization options in terms of size, material, shaft design, groove profile, surface coatings, additional features, and precision machining, wheel pulleys can be tailored to meet the specific requirements of machinery and equipment. This customization capability allows for optimized performance, reliability, and efficiency in power transmission systems.
How do wheel pulleys handle variations in load capacity and speed?
Wheel pulleys are designed to handle variations in load capacity and speed in power transmission systems. Here’s a detailed explanation of how they handle these variations:
Load Capacity:
1. Pulley Size and Diameter:
Wheel pulleys can be designed with different sizes and diameters to accommodate varying load capacities. Larger pulleys have a greater contact surface area with the belt or rope, distributing the load over a larger area and reducing the stress on the pulley. This allows for the transmission of higher loads without compromising the integrity of the pulley.
2. Material and Construction:
Wheel pulleys are manufactured using materials that offer high strength and durability. Common materials include metals such as steel or cast iron, as well as high-strength plastics. The construction of the pulleys is designed to withstand the anticipated loads without deformation or failure.
3. Bearing and Shaft Design:
The bearings and shafts supporting the wheel pulleys are chosen and designed to handle the expected loads. They are selected based on load capacity, speed, and the specific requirements of the application. High-quality bearings and robust shafts ensure smooth rotation and reliable performance under varying load conditions.
Speed:
1. Pulley Ratio:
Wheel pulleys operate on the principle of pulley ratio, where the speed of the driven pulley is determined by the ratio of the sizes of the driving and driven pulleys. By adjusting the pulley sizes, the speed of the driven pulley can be modified to meet the desired requirements. This allows for variations in speed without the need for complex transmission mechanisms.
2. Belt or Rope Selection:
The selection of the belt or rope used with the wheel pulleys can also influence the speed capabilities. Different types of belts or ropes have varying speed ratings and can handle different operating speeds. By choosing the appropriate belt or rope material and design, the wheel pulleys can effectively handle variations in speed.
3. Pulley Design:
Wheel pulleys are designed to minimize slippage and ensure efficient power transmission at different speeds. The pulley grooves are shaped and dimensioned to match the profile of the belt or rope, maximizing the contact area and grip. This design feature helps maintain consistent power transmission even at varying speeds.
Overall, wheel pulleys handle variations in load capacity and speed through careful design considerations, such as pulley size and diameter, material selection, bearing and shaft design, pulley ratio, belt or rope selection, and pulley design. By incorporating these factors, wheel pulleys provide reliable and efficient power transmission across a range of load and speed conditions.
editor by CX
2023-11-09