Product Description
Textile Alumina Ceramic Pigtail Yarn Xihu (West Lake) Dis. | ||||
Item | Unit Symbol | 95% Alumina | 99% Alumina | 99.7% Alumina |
Maximum Using Temperature | ºC | 1600 | 1700 | 1700 |
Water Absorption | % | 0 | 0 | 0 |
Hardness | Gpa | ≥85 | ≥89 | ≥89 |
Flexural Strength | MPa(psi*103) | 336 | 550 | 550 |
Compressive Strength | MPa(psi*103) | 2000 | 2500 | 2500 |
Fracture Toughness | Mpa | 4-5 | 5.6 | 6 |
Thermal Conductivity | W/m·K | 18-25 | 30 | 30.4 |
Thermal Shock Resistance | ºC | 220 | 180-220 | 180-220 |
Dielectricity Constant | 9.4 | 9.8 | 9.8 |
FAQs
A: We are factory. We had been engaged industrial ceramics for more than 20 years.The quality and service of the products are guaranteed.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 20-40 days if the goods are not in stock, it is according to the quantity.
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 is your terms of payment ?
A: 100%T/T before shipping, when the value of the goods is less than $10,000. If over, can be discussed. Accept the payment by Alibaba insurance order.
Q: Why choose us?
A: OEM and ODM are available. We had customized about 6000 kinds ceramics products for our customer all over the world.
Pre-sale service: Professional technical persons will choose suitable materials for you due to using environment about the ceramic parts.
The sale of services: If you need,we can provide the sample for you to go on testing,and also provide technical help and supports for you.
After-sales service: Accept any repair of the product, help to improve technology for customer. And also provide long-term technical help and support for you.
Match Machine: | Non-woven Fabric Equipment |
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Material: | Ceramic |
Processing Level: | Super Precision Finishing |
Mechanical Process: | Grinding |
Surface Finish: | Polish Ra0.2 |
Industry Usage: | Wire Cable Machine |
Customization: |
Available
| Customized Request |
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How do you select the right idler pulley configuration for a specific task?
Selecting the appropriate idler pulley configuration for a specific task involves considering several factors. Here are the key steps to guide you in the selection process:
1. Identify System Requirements:
Understand the specific requirements of the task or application. Determine the type of belt or chain being used, the power transmission requirements, the operating conditions (such as temperature, speed, and load), and any specific constraints or limitations.
2. Determine Belt or Chain Type:
Identify the type and specifications of the belt or chain being used in the system. This includes factors such as the belt width, pitch, tooth profile (for timing belts), and chain size. Knowing the characteristics of the belt or chain will help in selecting an idler pulley that is compatible and optimized for that specific type.
3. Consider Pulley Material and Construction:
Select a pulley material that is suitable for the task at hand. Common options include steel, cast iron, aluminum, and various plastics. Consider factors such as the required strength, durability, corrosion resistance, and the environment in which the pulley will be operating.
4. Determine Pulley Size and Configuration:
Calculate or determine the appropriate pulley size, including the diameter and width. Consider factors such as the desired belt tension, the required wrap angle (the contact area between the pulley and the belt), and any specific clearance or spacing requirements within the system.
5. Assess Bearing and Shaft Requirements:
Consider the bearing and shaft requirements for the idler pulley. Determine the load capacity, rotational speed, and any specific mounting or attachment considerations. Select bearings and shafts that can handle the anticipated loads and provide smooth operation.
6. Consult Manufacturer Recommendations:
Refer to the manufacturer’s recommendations or specifications for the idler pulley. Manufacturers often provide guidelines and technical data for their products, including load capacity charts, speed limits, and other relevant information. Ensure that the selected idler pulley aligns with these recommendations.
7. Evaluate Cost and Availability:
Consider the cost and availability of the idler pulley. Evaluate different suppliers and compare prices, ensuring that the selected pulley offers a good balance of cost-effectiveness and quality. Additionally, ensure that the idler pulley is readily available when needed.
8. Installation and Maintenance:
Lastly, consider the installation and maintenance requirements of the idler pulley. Ensure that it can be easily installed within the system and that any necessary adjustments or maintenance can be performed without significant hassle.
By following these steps and considering the specific requirements of the task or application, you can select the right idler pulley configuration that ensures proper tensioning, reliable power transmission, and optimal performance in your specific task.
What maintenance procedures are necessary to ensure the reliability of idler pulleys?
Maintenance procedures are essential to ensure the reliability and longevity of idler pulleys. Here’s a detailed explanation of the maintenance procedures necessary to ensure the reliability of idler pulleys:
1. Regular Inspection:
Regular visual inspections of idler pulleys are crucial to identify any signs of wear, damage, or misalignment. Inspect the pulleys for cracks, excessive wear on the grooves, or any unevenness in the surface. Also, check for proper alignment and ensure that the pulley spins freely without any wobbling. Regular inspections help detect early warning signs and allow for timely maintenance or replacement.
2. Lubrication:
Proper lubrication of idler pulleys is important to minimize friction and reduce wear. Refer to the manufacturer’s guidelines or specifications to determine the appropriate lubricant and lubrication intervals. Apply the lubricant to the pulley bearings as recommended, ensuring that the lubrication reaches all necessary points. Adequate lubrication helps maintain smooth rotation and prevents premature bearing failure.
3. Tension Adjustment:
Check and adjust the tension of the belts or chains guided by the idler pulleys as per the manufacturer’s recommendations. Proper tension ensures that the belts or chains remain engaged with the pulleys and prevents slippage. Use tension measuring tools or follow the recommended tensioning procedures to ensure accurate and consistent tension across the system.
4. Cleaning:
Regular cleaning of idler pulleys helps remove dirt, debris, and contaminants that can affect their performance. Use a suitable cleaning method, such as wiping with a clean cloth or using compressed air, to remove accumulated particles. Pay attention to the grooves and surfaces of the pulleys to ensure they are clean and free from any obstructions that could interfere with belt or chain operation.
5. Alignment Checks:
Periodically check the alignment of the idler pulleys with respect to the other pulleys in the system. Misaligned pulleys can cause belt or chain misalignment, leading to increased wear and reduced efficiency. Use alignment tools or techniques to assess and correct any misalignment issues, ensuring that the idler pulleys are properly aligned with the rest of the system.
6. Replacement:
Idler pulleys have a limited lifespan and may eventually require replacement. Follow the manufacturer’s guidelines or industry standards to determine the recommended replacement intervals. Replace idler pulleys that show signs of significant wear, damage, or if they no longer meet the required specifications. Regularly replacing worn-out or damaged idler pulleys helps maintain the reliability and performance of the system.
7. Record Keeping:
Maintain a record of maintenance activities performed on the idler pulleys. This record should include inspection dates, lubrication schedules, tension adjustment details, cleaning procedures, alignment checks, and replacement dates. Keeping accurate records helps track maintenance history, identify patterns, and plan future maintenance activities effectively.
By following these maintenance procedures, you can ensure the reliability of idler pulleys, minimize downtime, and extend their service life. Regular inspections, proper lubrication, tension adjustment, cleaning, alignment checks, replacement when necessary, and maintaining comprehensive records will contribute to the smooth and efficient operation of the idler pulleys and the overall mechanical system.
How does the size and diameter of an idler pulley affect its performance?
The size and diameter of an idler pulley play a significant role in determining its performance characteristics. Here’s a detailed explanation of how the size and diameter of an idler pulley affect its performance:
1. Tension and Belt Engagement:
The size and diameter of an idler pulley impact the tension and engagement of the belt. A larger idler pulley will create more belt wrap around its circumference, resulting in increased belt contact and improved grip. This helps to maintain proper tension in the belt and prevent slippage, especially in high-torque applications. Conversely, a smaller idler pulley may have less belt wrap, leading to reduced grip and potentially lower tension.
2. Belt Speed:
The size and diameter of an idler pulley affect the speed at which the belt travels. A larger idler pulley will cover a greater distance per revolution, resulting in a higher belt speed. This can be advantageous in applications where increased speed is desired. Conversely, a smaller idler pulley will cover a shorter distance per revolution, leading to a slower belt speed.
3. Belt Flexibility:
The size and diameter of an idler pulley impact the flexibility of the belt. A larger idler pulley allows for a larger bend radius, reducing the stress on the belt and improving its durability. It also minimizes the risk of excessive bending or flexing that could lead to premature wear or failure. In contrast, a smaller idler pulley may require the belt to bend more sharply, potentially increasing the risk of damage or wear.
4. System Clearance:
The size and diameter of an idler pulley affect the overall clearance in the mechanical system. In tight spaces or constrained environments, a smaller idler pulley may be preferred, as it requires less clearance. Conversely, a larger idler pulley may require additional space to accommodate its size.
5. Load Distribution:
The size and diameter of an idler pulley impact its ability to distribute the load across the belt. A larger idler pulley can distribute the load over a larger surface area, reducing the stress on the belt and other components. It helps to minimize wear and prolong the life of the system. On the other hand, a smaller idler pulley concentrates the load on a smaller area, potentially increasing the risk of localized wear or failure.
6. Bearing Life and Friction:
The size and diameter of an idler pulley influence the bearing life and friction within the system. Larger idler pulleys typically have larger bearings, which can handle higher loads and exhibit improved durability. They also tend to generate lower friction, leading to reduced heat and wear. In contrast, smaller idler pulleys may have smaller bearings that may have limitations in terms of load capacity and friction.
It’s important to note that the specific requirements for size and diameter of an idler pulley will depend on the application and the intended function within the mechanical system. Factors such as belt type, load requirements, speed, and space constraints should be considered when selecting the appropriate size and diameter of an idler pulley for optimal performance.
editor by CX
2023-11-21