Model Number: R214140
Jewelry Main Material: Brass
Material Type: Brass
Diamond shape: None
Pearl Type: None
Gender: Unisex, Women’s, Men’s
Main Stone: None
Jewelry Type: Rings
Occasion: Other, Anniversary, Gift, Party, Other
Rings Type: Cocktail Ring
Setting Type: None
Certificate Type: None
Plating: 18K Gold Plated
Shape\pattern: Geometric
Style: TRENDY
Religious Type: None
Inlay technology: None
Size: US#6/7/8
Detail size: 9.6mm/3.5mm
Weight: N.W. 6g/pc
Packaging Details: 1pc/opp bag + Bubble Pack + Carton Box

Packaging & Shipping
Company InformationHangZhou Lilian Jewelry Co., Ltd. was established in 2571, mainly engaged in the production and wholesale of stainless steel (titanium steel) jewelry and copper jewelry, including necklaces, earrings, NMAX motorcycle drive variator pulley motorcycle variator clutch set bracelets, rings and so on. We have always been adhering to the “ingenuity, quality,” in order to enhance the speed of innovation, we have a group of young fashion buyers to explore the latest fashion elements. After years of hard work, we have a certain reputation in the industry, and our product are fond of people in European and American Countries. Any inquiries,pls contact us anytime.
FAQAbout Products
Quality guaranteed – All goods will be inspected at least twice by quality control inspectors before shipment.

Photos Notes – All pictures were taken in kind,as everyone’s screens are not the same as shooting or light exposure and so on, S925 sterling silver 12mm 10mm trendy moissanite hip-hop jewelry tennis chain necklace vvs iced out moissanite CZPT chain the color may be a little different,it is not quality issue,pls in kind prevail.

Size Notes – The size of goods all is actual measurement,it will be small size error because of different measuring method.

Jewelry maintenance – Pls read the jewelry protect marks pictures above carefully.

About DELIVERY

We will ship all wholesale orders within 48 hours,all goods in our store are free shipping by epacket for special country like(Canada,Australia,France,Germany,United Kingdom,Israel,United States,Russia, Steel Worm Gear Shaft For Machinery Ukraine)

If you want to get parcel urgently,pls select our official DHL EXPRESS to buy.
PS.1.The delivery time due to the local customs,some strict country will delay several days.
PS.2.In order to assure you receive parcel without duty,we usually declare it as “gift”or “samples”at lower price,if you have requirement of value,pls message to us on time,thanks.

Returns Policy
We do not cover any items for damage after use or as the result of water & chemicals damage.

How to Return
Step 1. Contact us via email or message center.
Step 2. Provide as much detail as possible about the problem.
Step 3. Authorization to return the item will be issued.
Step 4. Return the item for the agreed exchange or refund.
Mark. All return shipping costs are the responsibility of the buyer.

Feedback
Your satisfaction and positive feedback is very important to us, 2571 new coming Battery life 70-80KM 8000W e CZPT trike roadster electric pls leave positive feedback and 5 stars if you are satisfied with our
items and services.
Jewelry Care

Functions and Modifications of Couplings

A coupling is a mechanical device that connects two shafts and transmits power. Its main purpose is to join two rotating pieces of equipment together, and it can also be used to allow some end movement or misalignment. There are many different types of couplings, each serving a specific purpose.

Functions

Functions of coupling are useful tools to study the dynamical interaction of systems. These functions have a wide range of applications, ranging from electrochemical processes to climate processes. The research being conducted on these functions is highly interdisciplinary, and experts from different fields are contributing to this issue. As such, this issue will be of interest to scientists and engineers in many fields, including electrical engineering, physics, and mathematics.
To ensure the proper coupling of data, coupling software must perform many essential functions. These include time interpolation and timing, and data exchange between the appropriate nodes. It should also guarantee that the time step of each model is divisible by the data exchange interval. This will ensure that the data exchange occurs at the proper times.
In addition to transferring power, couplings are also used in machinery. In general, couplings are used to join two rotating pieces. However, they can also have other functions, including compensating for misalignment, dampening axial motion, and absorbing shock. These functions determine the coupling type required.
The coupling strength can also be varied. For example, the strength of the coupling can change from negative to positive. This can affect the mode splitting width. Additionally, coupling strength is affected by fabrication imperfections. The strength of coupling can be controlled with laser non-thermal oxidation and water micro-infiltration, but these methods have limitations and are not reversible. Thus, the precise control of coupling strength remains a major challenge.

Applications

Couplings transmit power from a driver to the driven piece of equipment. The driver can be an electric motor, steam turbine, gearbox, fan, or pump. A coupling is often the weak link in a pump assembly, but replacing it is less expensive than replacing a sheared shaft.
Coupling functions have wide applications, including biomedical and electrical engineering. In this book, we review some of the most important developments and applications of coupling functions in these fields. We also discuss the future of the field and the implications of these discoveries. This is a comprehensive review of recent advances in coupling functions, and will help guide future research.
Adaptable couplings are another type of coupling. They are made up of a male and female spline in a polymeric material. They can be mounted using traditional keys, keyways, or taper bushings. For applications that require reversal, however, keyless couplings are preferable. Consider your process speed, maximum load capacity, and torque when choosing an adaptable coupling.
Coupling reactions are also used to make pharmaceutical products. These chemical reactions usually involve the joining of two chemical species. In most cases, a metal catalyst is used. The Ullmann reaction, for instance, is an important example of a hetero-coupling reaction. This reaction involves an organic halide with an organometallic compound. The result is a compound with the general formula R-M-R. Another important coupling reaction involves the Suzuki coupling, which unites two chemical species.
In engineering, couplings are mechanical devices that connect two shafts. Couplings are important because they enable the power to be transmitted from one end to the other without allowing a shaft to separate during operation. They also reduce maintenance time. Proper selection, installation, and maintenance, will reduce the amount of time needed to repair a coupling.

Maintenance

Maintenance of couplings is an important part of the lifecycle of your equipment. It’s important to ensure proper alignment and lubrication to keep them running smoothly. Inspecting your equipment for signs of wear can help you identify problems before they cause downtime. For instance, improper alignment can lead to uneven wear of the coupling’s hubs and grids. It can also cause the coupling to bind when you rotate the shaft manually. Proper maintenance will extend the life of your coupling.
Couplings should be inspected frequently and thoroughly. Inspections should go beyond alignment checks to identify problems and recommend appropriate repairs or replacements. Proper lubrication is important to protect the coupling from damage and can be easily identified using thermography or vibration analysis. In addition to lubrication, a coupling that lacks lubrication may require gaskets or sealing rings.
Proper maintenance of couplings will extend the life of the coupling by minimizing the likelihood of breakdowns. Proper maintenance will help you save money and time on repairs. A well-maintained coupling can be a valuable asset for your equipment and can increase productivity. By following the recommendations provided by your manufacturer, you can make sure your equipment is operating at peak performance.
Proper alignment and maintenance are critical for flexible couplings. Proper coupling alignment will maximize the life of your equipment. If you have a poorly aligned coupling, it may cause other components to fail. In some cases, this could result in costly downtime and increased costs for the company.
Proper maintenance of couplings should be done regularly to minimize costs and prevent downtime. Performing periodic inspections and lubrication will help you keep your equipment in top working order. In addition to the alignment and lubrication, you should also inspect the inside components for wear and alignment issues. If your coupling’s lubrication is not sufficient, it may lead to hardening and cracking. In addition, it’s possible to develop leaks that could cause damage.

Modifications

The aim of this paper is to investigate the effects of coupling modifications. It shows that such modifications can adversely affect the performance of the coupling mechanism. Moreover, the modifications can be predicted using chemical physics methods. The results presented here are not exhaustive and further research is needed to understand the effects of such coupling modifications.
The modifications to coupling involve nonlinear structural modifications. Four examples of such modifications are presented. Each is illustrated with example applications. Then, the results are verified through experimental and simulated case studies. The proposed methods are applicable to large and complex structures. They are applicable to a variety of engineering systems, including nonlinear systems.

editor by CX 2023-07-13