Product Description

Product Description

 

Tuohai is a professional knotted chain manufacturer in China, we have more than 40 knotted production lines, which can provide more than 100tons of various knotted chains per month.

Stainless Steel Knotted Chain is 1 of our main products. Since 1998, our knotted chains have been exported to more than 20 countries around the world, and more than 2000 customers have purchased our products.

We can also provide a variety of customizations, including size, shape, packaging, etc., to ensure that the knotted chain can meet the needs of the customer’s home market.

Contact Us to Get the Best Quote Now.

  

 

Product Parameters

 

Material
 

According to your requirements, we provide various stainless steel for the double loop chain:

  1. Stainless Steel 201
  2. Stainless Steel 304
  3. Stainless Steel 316
  4. etc.

Or we can provide other materials according to your requirements.

 

Size

We provide USA standard and DIN5686 of stainless steel knotted chains:
 

We can also provide custom double-loop chains of any size according to customer requirements, you just need to send us detailed drawings or samples.
 

Surface Treatment

For Stainless Steel Double Loop Chain
Polishing Polishing is the most used surface treatment for stainless steel double loop chains
Electrophoresis The surface treatment of electrophoretic surface treatment can also be used on the stainless steel double loop chains

If there is no special request, the surface treatment of our stainless steel double loop chain is polishing by default.

We can also provide the surface treatment of electrophoretic.

 

Production Cycle

Tuohai has more than 40 production lines for the knotted chains, which can provide more than 100tons per month.

For the sample order, we can deliver within 3 working days.
For normal orders, the delivery time is around  30 days.
The delivery time for bulk orders will be determined separately according to the order situation and quantity.
 

 

Packaging & Shipping

 

Packages for Knotted Chains
 

According to the different needs of customers, we provide the following packaging for the selection:

 

  1. Reel Package
    The color of the reel can be customed.
     
  2. Plastic Pail
    We provide round pails, square pails, iron pails, paper pails, etc., and the color of the cover can also be customed.
     
  3. Bundle
    The bundle package is 1 of the most affordable packages, suitable for storage and transportation in large quantities.
     
  4. PP bag
    The PP bag is a self-sealing bag, which has high sealing performance and is more suitable for long-term storage.
     
  5. Carton
    The size of the carton packaging can be customized according to customer requirements and can be printed with patterns or logos.
     
  6. Wooden Box
    Wooden boxes are generally used for outer packaging, which is safer during transportation and will not be damaged

 

Shipping Method

If you don’t know how to ship goods back from China, or you are sourcing goods from China for the first time, please don’t worry, we have our own freight forwarder which can deliver your cargo to any port or location you designate.

We can deliver the knotted chains by sea, by air, or by train, according to your requirement.

For the sample order, we can also send it by express, UPS, FedEx, DHL, and EMS are all OK.
 

Our Advantages

 

Great Location
 

Tuohai is located in 1 of the stainless steel production bases in China and can get better stainless steel materials.

We are only 2 hours away from ZheJiang Port and HangZhou Port, the delivery is very convenient and can be delivered directly to the port.
 

 

Strong Technical Force and Production Equipment
 

Tuohai has an experienced team of engineers and has a number of independent patents including production and shape patents.

Our production line is fully automatic production, can realize 24-hour unattended production, which can save a lot of labor costs, greatly improve production efficiency and shorten the production cycle.

 

Strict Quality Control
 

Tuohai has strict quality control for all of our products.

When purchasing raw materials, you must check relevant certificates such as material reports, and carefully select high-quality materials.

There are quality inspectors in the production workshop to spot-check each process.

After the production is completed, each batch of products will be sampled, and the inspection content includes tensile test, salt spray test, and inspection of surface treatment, size, etc.

 

Multiple Quality Certifications
 

Tuohai has ISO 9001, SGS, and other certifications, and can be inspected according to customer requirements, which can purchase with confidence.

All our products can be subjected to tensile tests and salt spray tests according to customer requirements, and a detailed report will be issued.

 

Accept All Kinds of Customization
 

We accept various customizations for the double loop chains, including:
 

  1. Size
    You can custom the standard and nonstandard knotted chains in TUOHAI, we can provide the wire diameter of knotted from 1.0mm to 5.0mm.
     
  2. Shape
    We have experienced engineers who can easily adjust the machine to provide you with various shapes of knotted chains.
     
  3. Package
    We provide several packages for the knotted chains, including reel, bundle, PP bag, pail, carton, etc. you can also customize your special package, just need to send us your package sample or photos, then we will provide you the same one.

 

Transaction & Payment Methods

Transaction Methods

According to the customer’s requirements, TUOHAI accepts the transaction method including FOB, CIF, EXW, DDU, etc.

 

Payment Methods

For regular orders, we accept payment via T/T, L/C, etc.

For the sample orders, if the sample you need is our regular product, or the product is in stock, then the sample is free, you just need to pay the freight.

If the sample needs to be customized, you need to pay the sample fee. The sample fee will be refunded after placing the order, in addition to T/T, you can also pay the sample fee by Paypal, Western Union, etc.
 

After Sales Service

Tuohai has a professional after-sales team that is 7*24 online, if there have any questions after receiving the goods, you can contact us at any time.

After receiving the feedback from customers, we will verify and confirm with the production workshop immediately. If there is a quality problem, we will find out the cause of the problem as soon as possible, and propose a solution within 3 working days.
 

FAQ

Q: What kinds of knotted chains can you produce?
A: Tuohai can produce stainless steel knotted chains, iron knotted chains, and brass knotted chains, or if you need the knotted chain of other material, please contact us, and our engineers will advise on your requirements.

Q: What are the wire diameters of the knotted chains you can produce?
A: Tuohai can produce the wire diameter of knotted chains from 1.0mm to 5.0mm.

Q: What surface treatment you can provide for the knotted chains?
A: We can provide the surface treatment of polishing and electrophoresis for stainless knotted chains, and electrophoresis, powder coating, and electroplate(zinc-plating, brass-plating, nickel-plating, chrome-plating, etc.) for steel knotted chains.

Q: Can I get the sample?
A: Yes.

Q: How do I customize my knotted chains?
A: You just need to send us the detailed drawing of the knotted chains you need or send us a sample directly, and we will produce it according to the drawing or sample.

Q: May I customize my special packages for knotted chains?
A: Yes, we can provide the customized service of various packaging, including the size, shape, color, print patterns or logos on the package.

Q: How long will the delivery time be?
A: It depends on quantity, the general delivery time is about 20 to 30 days, and large orders need to be reconfirmed.

Q: What surface treatments do your knotted have?
A: We can provide surface treatment such as polishing, zinc plating, copper plating, chrome plating, and electrophoresis for knotted chains.

Q: What payment methods are accepted?
A: We accept T/T, L/C, etc.

Q: What are the transaction methods?
A: We accept FOB, CIF, DDU, DDP, etc.

Q: Where is your factory?
A: Our factory is in HangZhou City, ZheJiang Province.
 

Usage: Dedicated Special Chain, Decorative Chain
Material: Stainless steel
Surface Treatment: Polishing
Feature: Rust and Corrosion Resistant
Chain Size: Customization
Structure: Weldless Chain
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

chain

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.

Preloading

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.

lubricating

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.

Maintain

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.

Cost

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.
chain

Application

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.
China Professional Factory Outlet Stainless Steel Double Loop Chain Knotted Chain for Swing Set   conveyor roller chainChina Professional Factory Outlet Stainless Steel Double Loop Chain Knotted Chain for Swing Set   conveyor roller chain
editor by CX 2023-05-17