Professional Production of Jewelry
The principal products of Dianzi Jewelry: silverwares |copper ornaments |925 Silver Mozambique’s Drill| fashion accessories
Dianzi Jewelry is direct manufacturers of high quality sterling silver jewelry, brass jewelry, stainless steel jewelry. From jewelry stones production, making jewelry molds, casting, polishing to plating, we control each process step to ensure good quality before shipment.
OEM project is warmly welcomed. 50% of our production is customers’ own designs.
All sizes, styles and materials can be perfectly customized to achieve the best results for your products.
2.Quality & Price
Better Quality with Best Price
More Quantity ,Less Price
3. Production Capacity
There are about 100 workers supporting our production lines, which ensure the exporting volume keeps 60,000pcs every month.
We have a profession QC team to be strict with the quality and I am sure you will be satisfied with our quality and service.
About 20 professional designers to meet any of your requirements, and hundreds of designs are issued every month for your selection
Packing can be selected according to customer requirements,simple packaging, also have high-grade hard packaging.
S925 Moissanite Cuban Link Chain
925 Sterling Silver, D Color VVS Moissanite Diamond
5 Times plating with electronic coating for an everlasting shine, up to 0.38um
|Setting:||Handmade prong setting|
|OEM/ODM:||Provide OEM/ODM Services|
|Quality&QC:||Top quality, Lead, Nickel and Cadmium free.
All products will be checked by QC before packed and shipment
|Packing:||Each Item In An Opp Bag,More in Bigger Opp Bag|
|Payment Method:||Paypal,Western Union,T/T etc|
———————————— Package And Delivery Way————————————–
1.How to order from us?
Inquiry→offer quotation in 24hours→Build mutual communication→Send PI for regular order→Deposit payment(50%)→Production starts
→Send pictures of products to get confirmation→Balance payment(50%)→Shipment→Products arrives→After sales service
2.What’s the advantage of Ceramic jewelry?
Compared with other jewelry material,ceramic jewelry would never fade off,it is very hard,and not easy to scratch,and the most important thing is,it is harmless to human beings, you never need to worry about skin allergy, also ceramic products is not easy out of shape.
3. What the MOQ of our products?
We offer many options of jewelry,they have different MOQ,please kindly contact us for details if needed.
4.Is the MOQ fixed?
MOQ can be negotiated ,please contact us.
5. What is the payment term and payment methods?
Accept payment by PayPal, West Union, Telegraph Transfer(Wire Transfer) and Alibaba Trade Assurance.
6. How long do you need for production? Or what’s your production lead time?
Usually could be sent our in 2-3 days if in stock.Customized item usually need 14-25days to produce.
7. How to ship the products?
Shipping by DHL/UPS/Fedex/EMS/TNT, we have our shipping agent, good price and fast shipment.
8. How much for shipping fee?
The Shipping fee would be different depending on weight or volume of the package.
Different order quantity, the shipping fee will be different accordingly.
9. Could you supply OEM/ODM service?
Yes.We are manufacturer specializes in jewelry many years. Please feel free to contact us for more information.
10.Any discount possible if I place an order?
We have different price range(discount) based on different order quantity, please contact us for detailed information.
11.What if I find the goods damaged after receiving?
Good after-sale service is our promise. Please take photos first and send to us, which will be helpful for us to check it. Moreover, you will get the reservable compensation after we check it out
WHY CHOOSE US :
Estimated freight per unit.
To be negotiated|
|Material:||925 Sterling Silver|
|Suitable for:||Unisex, Women′s, Men′s|
Roller Chain Maintenance Tips
There are many things to keep in mind when maintaining a roller chain. The main reasons include friction and external influences. Without proper lubrication and adjustment, such chains will wear prematurely. Here are some tips for keeping your roller chain in top shape. continue reading! This will make your process easier. We will also discuss the cost of the new roller chain. As always, remember to check for loose ends and adjust the chain regularly.
Roller chains are designed to accommodate many different types of loads. Sprockets are the main cause of chain wear. Axial and angular misalignment occurs when the sprocket faces are not properly aligned. Both types of misalignment increase stress and wear on the roller chain. They can also negatively affect the drive. Therefore, choosing the right chain is an important consideration.
Preloading helps to eliminate initial elongation and extend service life. The benefits of preloading can be seen in the preloading chart. Significant elongation occurs during drive startup with no or minimal preload. This is due to the surface hardness of the worn parts. On the other hand, a properly preloaded chain shows little elongation during the initial start. Therefore, proper preload can prolong wear life.
Although elongation is a natural phenomenon in any drive, it can be minimized or eliminated with proper maintenance. In addition to regular inspections, you should do a full inspection of your chain after the first hundred hours. This inspection should focus on key life factors such as 3% elongation, how the chain is lubricated, and any other issues that may affect life. A good quality chain should have the longest life and no problems.
There are many different roller chain specifications. A good rule of thumb is to choose chains with at least five links. Then, tighten the chain until a break occurs, and it will tell you what kind of break occurred. Alternatively, you can use a roller chain with the maximum allowable load. As long as the MAL doesn’t exceed that number, it’s still perfectly safe to use it for any application.
When it comes to lubrication, there are several different techniques. For example, spray lubrication is a popular method for high-horsepower drives and high-load and fast-moving machines. This method is very effective, but it is expensive, and spraying the chain too far out of the guard can cause leaks. Another common method is brush lubrication. Brush lubrication involves applying a continuous flow of oil to the chain, pushing it into the chain. This lubrication technique reduces the application temperature of the chain. Also, it can extend the life of the chain, depending on the manufacturer’s specifications.
While the lubrication of roller chain couplings varies by application, sprocket hubs should be lubricated monthly to ensure proper sealing. The amount of oil used depends on the rotational speed and the type of roller chain coupling. In general, lubricants used in roller chain couplings should have excellent adhesion, oxidation, and mechanical stability.
Wear-resistant lubricants are recommended. They prevent the rollers from sticking to each other and prevent rusting. These lubricants have low surface tension and are not harmful to metal or O-ring chains. The optimum lubrication method depends on ambient temperature, horsepower, and chain speed. Properly lubricating a roller chain increases the life of the chain and reduces the risk of wear.
Proper lubrication of the roller chain is essential to prevent corrosion and prolong its service life. The oil forms a smooth film on the chain components, reducing metal-to-metal contact and minimizing friction and wear. Additionally, the oil provides a smooth running surface and reduces noise. However, the running-in process of roller chain lubrication cannot be underestimated. When using heavy-duty oils, ensure that the lubricant is compatible with operating and ambient temperatures.
To extend the life of your roller chain, you need to carry out regular inspections. First, you should check the T-pin on the link plate at the joint. If they are not connected properly, it can cause the chain to stretch and not maintain proper spacing and timing. Next, you should look for unusual noise, corrosion, and dirt that may indicate wear. If you notice any of these problems, it’s time to replace the chain.
In order to properly maintain a roller chain, both areas of the roller chain must be lubricated with the correct lubricant. Lubricants used should be SAE non-degreased oils. There are several types of lubricants available, but the best one is a petroleum-based oil with a high viscosity. You can also check for signs of wear, such as red or brown discoloration. This means that there is not enough lubrication.
While the life expectancy of a roller chain is unknown, it is important to know how to extend its life and maximize its effectiveness. Improper tension and alignment can shorten its life and place undue stress on the drive system and the chain itself. Incorrect tension can also lead to slippage and increased energy output. Therefore, you should calculate the tension and alignment of the chain during the initial installation. Check and adjust regularly.
Another way to extend the life of your rollers is to thoroughly clean the inside and outside of the rollers. You should also lubricate it frequently to prevent excessive heat buildup. Designed to prevent overheating by limiting the amount of work during break-ins. Additionally, regular inspections will help you catch anomalies early enough to stop operations. Last but not least, regular lubrication will prolong the life of the roller chain.
Buying a roller chain is a big decision, but initial cost shouldn’t be the only consideration. The cost of the roller chain itself, as well as the running costs, should be considered. Even the lowest-priced chains can be more expensive in the long run. Additionally, maintenance and energy costs may increase. The best roller chain for your business will be the one that best suits your needs. Listed below are some considerations to consider when purchasing a roller chain.
First, what material should you use? Roller chains come in many different materials. Stainless steel is a commonly used material in construction. Materials are selected based on the cost and design of chain horsepower transmission. Various manufacturing processes will determine which material is suitable for your application. Also, the weight of the chain will vary depending on its pitch and the construction technique used. A large part of the cost of a roller chain is on the drive sprocket.
Another consideration is installation cost. Roller chains are commonly used in agricultural and transportation applications, especially for agronomic products. If lubrication is your concern, maintenance-free chains are the best choice. Corrosion-resistant chains are ideal for wet environments. They are sold in boxed lengths, so replacing a longer length requires adding a shorter length. To avoid trouble, use the skateboard to help connect the links.
Another consideration is the overall width. The overall width of an open #40 roller chain may vary but should be at least 10 feet wide. Although it is not the most expensive type of roller chain, it will last longer. Using it correctly will increase its overall longevity, so it’s a good idea to choose it wisely. If your business uses roller chains regularly, the cost reduction is well worth it.
A roller chain consists of a pair of alternating pins and roller links. The pins are pressed into the side panels and hinged to the rollers. Roller chains can be single or multi-strand, connected by a common pin. The multi-strand design provides higher shear strength for demanding power transmission applications. Typical applications for roller chains include conveyors, hoists, and other mechanical equipment.
The horsepower capability of a roller chain is limited by several factors, including pin shock and friction. While research into these factors has placed some limits on the maximum operating speed of the roller chain, practical experience has shown that these systems can be used at higher speeds. Proper lubrication and cooling can increase the durability of these chains. In addition, roller chain applications include:
Drive and conveyor systems are the two main uses of roller chains. During driving operations, wear and elongation are a natural part of the operation. However, lubrication plays a vital role in minimizing wear and shock loads. Therefore, wear is inevitable and special care must be taken to ensure proper lubrication. Additionally, lubrication reduces heat dissipation in the chain.
The materials used to make roller chains vary from one type to another. Stainless steel is common, but nylon or brass are sometimes used. These materials are less expensive and more durable than steel or stainless steel. The best material for the job depends on a variety of factors, including cost, environmental conditions, and design horsepower transmission. For example, the pin bushing contact area is a critical area requiring lubrication. Additionally, some coatings are designed to retard the corrosive effects of water or oil.
editor by CX 2023-05-26