Product Description
.
Quick Details
| Material: | Copper | Technics: | Forged | Type: | Coupling |
| Place of Origin: | QIngdao, China (Mainland) | Model Number: | AT 26 | Brand Name: | AT |
| Connection: | Welding | Shape: | Equal | Head Code: | Round |
| Certificates: | CE ISO | Usage: | Plumbing & CHINAMFG System |
Packaging & Delivery
| Packaging Details: | Export netural packing (PCV bag,inner white box,master carton, Pallet.) or Cutomized packing as request. |
| Delivery Detail: | 30-45 days after receiving deposit |
Specifications
1. Quality Priority
2. OEM service
3. reasonable price
4. oversea service support
5. 321 stainless steel
ABOUT US:
As your one-stop source, AT PRECAST,we design, manufacturer and distribute precast concrete accessories including the Lifting Systems and Anchoring systems Coil and Ferrule Inserts. for Concrete and Prefabricated area.
As a leader in developing concrete accessory products, our main goal is to produce products that are safer, faster and more cost efficient.
With more than totally 50 years working experience, our entire staff is dedicated to provide you with the best customer service and competitive prices. Our sales force are able to answer your questions quickly and offer you technical support .
Assurance:
100% quality manufacturing.
We guarantee that our products meet your supplied specifications
Extremely competitive pricing
Delivery to your port or front door
4 —- 8 week lead times
We handle all paperwork
Partial container orders
Flexible payment options
Unique tooling options
Full range of packaging options from bulk to retail ready
Complete testing services available
FAQs:
1. Where is your location?
We are located in HangZhou City of China and are closed to Airport. It takes 30minuts by car from Liuting Airport our company.
2. How long has the company been established?
AT INDUSTRY was established in 2009. There is 6 years exporting experiences.
3. How many employees do you have?
Administration / sales 4
Engineering / design as our partner 8
Production as our partners 120
Quality assurance / inspection 10
4. Which countries do you export to?
U.S.A, Germany, France, Italy, UK, Brazil, Middle east of Asia, Thailand,
5. What proportion of your goods are exported?
100% of our production are exported to all over the world.
6. How long does it take to receive samples?
a) Pattern:30-45days after order
b) Sample:30days after pattern finishing.
c) The lead time is the general production period and does not include the transportation time.
7. New product development process
Got tooling order and sample order with 50% deposit—Hold a meeting with the relation dept. to ensure the developing schedule—Design pattern, fixture and gauge and making them in our house—mold steel buying—Machining—Inspection—Send out the sample with initial inspection report.
8. How long is the manufacturing lead time?
Mass Production: 90days after sample approval by yours.
The lead time is the general production period including the transportation time.
We could make some special production arrangement effectively if customer has urgent need.
9. What basis can we buy goods?
We generally offer customers prices FOB& CIF (Carriage, Insurance & Freight). The CIF includes the freight cost to your nominated sea port.
We do provide clearance of goods which needs to be handled by a local freight forwarder.
All local costs and taxes are the responsibility of the buyer. We are happy to offer advisement on shipping if required.
10. What are the payment terms?
Payment terms are negotiable and will improve for long term customers.
During the initial stages, we request 50% of tooling fee in advance with the balance payable on acceptance of samples.
Production orders can be negotiable. We prefer 50% deposit and the balance by T/T before sails. But sometimes T/T 30 days after sails would also acceptable.
11. Which currency can we buy in?
We can deal in USD / Euro currency / GBP.
12. How long does it take to ship goods from China by sea?
It takes about 5 weeks to European ports plus 1 week customs clearance, so you can get the container within 6 to 7 weeks. It takes about 2 weeks to east coast and 3 weeks to west coast US ports. All sea goods are shipped from HangZhou Port.
13. How long does it take to ship goods from China by air?
It takes about 7 days to all major destinations.
14. Can we visit the factory to conduct an audit?
Yes, you are welcome to visit our partner factory by prior agreement.
15. How do we retain client confidentiality?
We are happy to CHINAMFG Confidentiality Agreements with customers and will honor them.
16. Which languages do we do business in?
Although we do business with many countries around the world, we can only communicate effectively in Chinese English.
All information supplied should therefore be supplied in this form.
17. Is there a minimum volume of business required to conduct international purchasing?
There are no minimum volumes, but the prices of the goods, plus the fixed costs of importing makes it more economical to buy in high volumes. All potential customers will be assessed on an individual basis to determine if it appears a viable option for all parties to develop a relationship.
18. What type of parts you are specialized in?
Our business contains 2 areas,
1 is for construction precast including lifting system, rigging hardware metal parts.
Another is customized metal business of quality sand castings, investment castings, lost foam castings, hot forgings, cold forgings, stampings, machined parts, injectionmolded plastics parts, etc.
19. Which kind of equipments do you have?
Forging friction press 160Ton, 300Ton, 630Ton, 1200Ton
Casting CHINAMFG of 200kg, 500kg,1000kgs, 2000kgs
Press of 63ton, 120tons
CNC Machining center
CNC Vertical Lathe
CNC Lathe center
Boring machine
Drilling machine
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Can Bellows Couplings Handle Angular and Parallel Misalignments Simultaneously?
Bellows couplings are designed to handle both angular and parallel misalignments simultaneously, making them versatile for various mechanical power transmission applications. The bellows element, typically made of a thin-walled metal structure, allows for flexibility in multiple directions, enabling the coupling to accommodate different types of misalignments.
1. Angular Misalignment: Angular misalignment occurs when the driving and driven shafts are not collinear and form an angle with each other. This type of misalignment can happen in applications where the shafts are not perfectly aligned due to assembly errors, shaft deflection, or thermal expansion. The bellows coupling’s design allows it to flex in response to angular misalignment, transmitting torque smoothly without inducing additional stress on the connected components.
2. Parallel Misalignment: Parallel misalignment, also known as lateral misalignment, happens when the axes of the driving and driven shafts are parallel but not concentric. This misalignment may occur due to inaccurate alignment during installation or shaft deflection under load. The bellows coupling’s flexible bellows element can also compensate for this type of misalignment, ensuring that the shafts remain parallel enough to prevent excessive forces and vibrations.
Simultaneous Misalignments: Bellows couplings are unique in their ability to handle both angular and parallel misalignments simultaneously. As the bellows element flexes in multiple directions, it can compensate for misalignments in both planes without imposing significant side loads on the shafts or bearings. This capability makes bellows couplings well-suited for precision motion control systems, where maintaining accurate alignment is crucial to ensure smooth operation and longevity of the equipment.
It is important to note that while bellows couplings can handle a certain degree of misalignment, excessive misalignments should be avoided to prevent premature wear and reduce the efficiency of the coupling. Regular maintenance and inspections can help identify and correct misalignment issues early, ensuring optimal performance and extended service life of the bellows coupling and the entire mechanical system.
How do bellows couplings ensure torque transmission and minimize backlash in precision systems?
Bellows couplings are used in precision systems to transmit torque between two shafts while minimizing backlash, which is crucial for maintaining accurate positioning and reducing vibrations. Here’s how they achieve these functions:
- Torsional Rigidity: Bellows couplings are designed with a series of flexible metal convolutions (bellows) that allow angular misalignment between the shafts. The metal bellows provide high torsional rigidity, ensuring efficient torque transmission from one shaft to the other with minimal power loss.
- Backlash Elimination: Backlash is the play or movement that occurs when reversing the direction of rotation in a mechanical system. Bellows couplings are ideal for precision applications because they have virtually zero backlash. The absence of backlash helps maintain accurate positioning and prevents undesired movements in precision machinery.
- Compensation for Misalignment: In precision systems, shaft misalignments can occur due to manufacturing tolerances, thermal expansion, or other factors. Bellows couplings can accommodate angular, axial, and parallel misalignments, ensuring smooth operation and preventing excessive stress on the shafts and connected components.
- Vibration Damping: The flexible nature of bellows couplings also provides some level of vibration damping. This feature helps reduce vibrations and shocks in the system, which is especially important in sensitive precision equipment to maintain stability and accuracy.
- Compact Design: Bellows couplings are compact and lightweight compared to some other coupling types, making them suitable for applications where space and weight restrictions are important considerations.
In summary, bellows couplings play a crucial role in precision systems by ensuring efficient torque transmission, minimizing backlash, compensating for misalignments, dampening vibrations, and providing a compact design. These features make them an excellent choice for high-precision machinery and applications where accuracy and reliability are paramount.
Can you explain the Working Principle of a Bellows Coupling and its Advantages in Various Industries?
A bellows coupling is a type of flexible coupling that consists of a bellows element, which is a thin-walled, corrugated metal tube. The working principle of a bellows coupling involves utilizing the elasticity and flexibility of the bellows to transmit torque while accommodating misalignments between the driving and driven shafts.
When torque is applied to the coupling, the bellows element flexes and expands or contracts based on the rotational motion of the shafts. This flexing capability allows the coupling to compensate for angular, axial, and parallel misalignments, providing a degree of freedom for both shafts without inducing excessive stress or load on the connected machinery.
Advantages of Bellows Couplings in Various Industries:
- High Misalignment Compensation: Bellows couplings can accommodate higher misalignments compared to other coupling types, making them ideal for applications where precise alignment is challenging or where shafts may experience dynamic misalignments during operation.
- Torsional Stiffness: Some bellows coupling designs offer high torsional stiffness, ensuring efficient torque transmission and maintaining positional accuracy in motion control systems.
- Backlash-Free: Bellows couplings are typically backlash-free, meaning they have minimal play or clearance between the bellows and the coupling hubs. This characteristic is crucial in precision systems where any degree of backlash can lead to positioning errors.
- Vibration Dampening: The flexible nature of the bellows element helps dampen vibrations and shocks, reducing wear and tear on connected components and improving overall system reliability.
- Electrical Isolation: Some bellows coupling designs offer electrical isolation between the shafts, preventing the transmission of electrical currents and providing protection to sensitive electronic equipment.
- Compact Size: Bellows couplings are available in compact designs, making them suitable for applications with limited space, such as robotics, aerospace, and medical devices.
- Temperature and Corrosion Resistance: Depending on the material used, bellows couplings can exhibit excellent resistance to high temperatures and corrosion, making them suitable for harsh environments in industries like oil and gas, chemical, and marine.
Bellows couplings find applications in a wide range of industries, including robotics, automation, aerospace, medical equipment, semiconductor manufacturing, precision machinery, and more. Their ability to handle misalignments, provide backlash-free motion, and offer excellent torsional stiffness makes them a versatile and reliable choice for critical motion control systems.
editor by CX 2024-04-17