Product Description
| Company Profile: |
Up Gold(ZheJiang )Automation Technology Co. Ltd, is a supplier of linear guide way, linear rail series,lead screw,block bearing, roller bearing ,ball bearing,pillow block bearing, rod ends bearing ,needle roller bearing,screw bearing ,slider bearings and slewing support bearings and so on.
We have exported more than 100 countries like USA, Mexico,Canada, Spain, Russia,Singapore,Thailand, India etc.We are committed to creating a one-stop shopping platform for customers to save time, improve efficiency with the best price and quality to win the trust of customers. Win-win cooperation is our company's business philosophy.
Quality is the life of enterprise. We are committed to improving the quality of our products and services. Advanced equipment, skilled technical workers, scientific testing instrument and strict quality control, all of these factors is the key to our development and growth in the intense market competition.
Contact us now to realize the benefits of sourcing from our company. We insist to return new and old customers with best quality, fastest delivery time and most perfect after service. Your satisfaction is our goal.
Our Team:
Professional technicians, high-quality production workers, 24-hour salespersons
OUR PHILOSOPHY:
Integrity is at the core of our values, and providing excellent
service is our top priority. We begin by understanding your
needs and strive to ensure your utmost satisfaction, forging a mutually beneficial relationship.
OUR MISSION:
Through technology and innovation, we strive to enhance
product quality and deliver exceptional products and services
to you.
OUR VISION:
We are firmly dedicated to CHINAMFG the pinnacle of highquality standards and venturing into the realm of world-class
advanced manufacturing industries.
We are excited about the opportunity to work with you and
exceed your expectations.
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professional machine: |
| The Feedback: |
| Product Details: |
| Product Introducation: |
| Product Name | Coupling |
| Feature | 1. Compact Structure |
| 2.High Strength
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| 3. Long Lasting | |
| 4. Anti-corrosion | |
| 5. Easy Maintenance | |
| Precision | High Precision |
| Material |
Aluminum Alloy |
| Delivery Time | 1) 1-5 Workdays for Samples or in Stock |
| 2) 10-30 Working Days for Ordering |
| Packaging and Logistics: |
| Air freight |
| Less than 45 KGS,we will send by express. |
| (Door to Door,Convenient) |
| Land transportation |
| Between 45- 150 KGS, we will send by air transport. |
| (Fastest and safest, but expensive) |
| Railway |
| More than 150 KGS,we will send by sea. |
| Shipping |
| According to the requirement of customer. |
| Product Package: |
We at Up Gold (ZheJiang ) Automation Technology Co. LTO. can offer unrivalled product and application knowledge, we can supply ballscrew products of any size or type to our valued customer.
We place huge importance on our reputation - a reputation that seems to preceed us more and more. This reputation can only grow through good service and quality products so we're committed to expanding our range with nothing but the best products and services and the in-house knowledge to back it all up. Of course, in-house knowledge is vitally important, not just to us, but you as a customer - so we're proud to host some of the best people in the industry.
| Our Advantages: |
*Two-year warranty, replace instead of repair.
*12 Months Warranty
*Fast Delivery
*24 hours on line service
*Professional Team
FAQ:
Q: What is the producing process?
A: Production process including raw material cutting, machine processing,grinding, accessories cleaning, assemble, cleaning, stoving, oil coating,cover pressing, testing, package.
Q: How to control the products quality?
A: Combining advanced equipment and strict management, we provide high standard and quality bearings for our customers all over the world.
Q: What is the transportation?
A: If small quantity, we suggest to send by express, such as DHL, UPS,TNT FEDEX. If large amount, by air or sea shipping.
Q: How about the shipping charge?
A: We will be free of domestic shipping charge from your freight forwarder in China.
Q: Can you provide OEM service?
A: Yes, we provide OEM service. Which means size, quantity, design,packing solution, etc will depend on your requests; and your logo will be customized on our products.
Q: Could you tell me the delivery time of your goods?
A: Generally it is 3-5 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to the quantity.
Q: What about the packaging of your products?
A: Normally we use standard commercial package, we also have our own brand packing or customized package as per customers' requests. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Understanding the Torque and Misalignment Capabilities of Shaft Couplings
Shaft couplings play a critical role in transmitting torque and accommodating misalignment between rotating shafts in mechanical power transmission systems. Understanding their torque and misalignment capabilities is essential for selecting the right coupling for a specific application. Here's an overview:
Torque Transmission:
The torque capacity of a shaft coupling refers to its ability to transmit rotational force from one shaft to another. It is typically specified in torque units, such as Nm (Newton-meters) or lb-ft (pound-feet). The coupling's torque capacity depends on its design, size, and material.
When selecting a coupling, it's crucial to ensure that its torque capacity meets or exceeds the torque requirements of the application. Overloading a coupling beyond its torque capacity can lead to premature failure or damage to the coupling and connected equipment.
Misalignment Compensation:
Shaft misalignment can occur due to various factors, including thermal expansion, manufacturing tolerances, or foundation settling. Misalignment puts additional stress on the coupling and connected components, potentially leading to increased wear and reduced efficiency.
Shaft couplings are designed to compensate for different types of misalignment:
- Angular Misalignment: Occurs when the shafts are not parallel and have an angle between them.
- Parallel Misalignment: Occurs when the shafts are not collinear, resulting in axial displacement.
- Radial Misalignment: Occurs when the shafts have lateral displacement but remain parallel.
The coupling's misalignment capabilities are specified in terms of angular and axial misalignment values, usually in degrees or millimeters. Different coupling designs can accommodate varying degrees of misalignment, and the choice depends on the specific application and operating conditions.
Flexible Couplings:
Flexible couplings, such as elastomeric or jaw couplings, offer good misalignment compensation. They can handle a combination of angular, parallel, and axial misalignments. However, their torque capacity may be limited compared to rigid couplings.
Rigid Couplings:
Rigid couplings, such as clamp or sleeve couplings, have high torque transmission capabilities but offer minimal misalignment compensation. They are best suited for applications where shafts are well-aligned and precise torque transmission is critical.
Torsional Stiffness:
Another factor to consider is the coupling's torsional stiffness, which determines how much torsional deflection or twist occurs under load. Some applications, like precision systems, may require couplings with high torsional stiffness to maintain accurate positioning and avoid torsional backlash.
By understanding the torque and misalignment capabilities of shaft couplings, engineers can make informed decisions when selecting a coupling to ensure efficient power transmission and reliable performance in their mechanical systems.
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Explaining the Concept of Backlash and How It Affects Shaft Coupling Performance
Backlash is the angular movement or play between the mating components of a mechanical system when the direction of motion is reversed. In the context of shaft couplings, backlash refers to the free rotational movement between the connected shafts before the coupling transmits torque from one shaft to the other.
Backlash occurs in certain coupling designs that have features allowing relative movement between the coupling's mating parts. Common coupling types that may exhibit some degree of backlash include elastomeric couplings (such as jaw couplings), gear couplings, and Oldham couplings.
How Backlash Affects Shaft Coupling Performance:
1. Loss of Precision: In applications requiring precise motion control, backlash can lead to inaccuracies and reduced positional accuracy. For example, in CNC machines or robotics, any rotational play due to backlash can result in positioning errors and decreased machining or movement precision.
2. Reversal Impact: When a reversing load is applied to a coupling, the presence of backlash can lead to a brief period of rotational play before the coupling re-engages, causing a momentary jolt or impact. This impact can lead to increased stress on the coupling and connected components, potentially reducing their lifespan.
3. Dynamic Response: Backlash can affect the dynamic response of the mechanical system. In systems requiring rapid acceleration or deceleration, the initial play due to backlash may create a delay in torque transmission, affecting the system's responsiveness.
4. Noise and Vibration: Backlash can cause noise and vibration in the system, leading to increased wear and potential fatigue failure of components.
5. Misalignment Compensation: In some flexible coupling designs, a certain amount of backlash is intentionally incorporated to allow for misalignment compensation. While this is a beneficial feature, excessive backlash can compromise the coupling's performance.
Minimizing Backlash:
Manufacturers often design couplings with specific features to minimize backlash. For instance, some gear couplings employ crowned gear teeth to reduce clearance, while elastomeric couplings may have preloaded elastomeric elements. Precision couplings like zero-backlash or torsionally rigid couplings are engineered to eliminate or minimize backlash for applications requiring high accuracy and responsiveness.
When selecting a coupling, it's essential to consider the application's specific requirements regarding precision, speed, reversing loads, and misalignment compensation, as these factors will determine the acceptable level of backlash for optimal performance.
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Best Practices for Installing a Shaft Coupling for Optimal Performance
Proper installation of a shaft coupling is crucial for ensuring optimal performance and preventing premature wear or failure. Follow these best practices to install a shaft coupling correctly:
1. Shaft Alignment:
Ensure that both the driving and driven shafts are properly aligned before installing the coupling. Misalignment can lead to increased stress on the coupling and other connected components, reducing efficiency and causing premature wear. Use alignment tools, such as dial indicators or laser alignment systems, to achieve accurate shaft alignment.
2. Cleanliness:
Before installation, clean the shaft ends and the coupling bore thoroughly. Remove any dirt, debris, or residue that could interfere with the coupling's fit or cause misalignment.
3. Lubrication:
Apply the recommended lubricant to the coupling's contact surfaces, such as the bore and shaft ends. Proper lubrication ensures smooth installation and reduces friction during operation.
4. Correct Fit:
Ensure that the coupling is the correct size and type for the application. Use couplings with the appropriate torque and speed ratings to match the equipment's requirements.
5. Fastening:
Use the recommended fastening methods, such as set screws or keyways, to securely attach the coupling to the shafts. Make sure the fasteners are tightened to the manufacturer's specifications to prevent loosening during operation.
6. Spacer or Adapter:
If required, use a spacer or adapter to properly position the coupling on the shafts and maintain the desired distance between the driving and driven components.
7. Avoid Shaft Damage:
Be careful during installation to avoid damaging the shaft ends, especially when using set screws or other fastening methods. Shaft damage can lead to stress concentrations and eventual failure.
8. Check Runout:
After installation, check the coupling's runout using a dial indicator to ensure that it rotates smoothly and without wobbling. Excessive runout can indicate misalignment or improper fit.
9. Periodic Inspection:
Regularly inspect the coupling and its components for signs of wear, misalignment, or damage. Perform routine maintenance as recommended by the manufacturer to prevent issues from worsening over time.
10. Follow Manufacturer's Guidelines:
Always follow the manufacturer's installation instructions and guidelines. Different types of couplings may have specific installation requirements that need to be adhered to for optimal performance and safety.
By following these best practices, you can ensure that your shaft coupling is installed correctly, maximizing its efficiency and reliability in your mechanical power transmission system.
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editor by CX 2024-02-20