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

How to choose a drive chain

The process of manufacturing a drive chain starts with bushing. Both inner and outer diameters are strictly measured to ensure tight tolerances. The roundness of the bushing is critical as irregular surfaces in the contact area can cause accelerated wear and shorten chain life. That’s why the CZPT manufacturing process is carefully designed to optimize the wear performance of the chain. There are several types of bushings including roller, forged rivetless, flat top, and timing.

roller chain

The tensile strength of a roller chain is the number of pounds it can withstand before breaking. Fatigue strength is equally important, although the two do not necessarily go hand in hand. Fatigue strength depends on several factors, including the quality of steel used in manufacturing, the quality of the pitch holes, the type of shot peening used, and the thickness and design of the link plates. Here are some things to consider when choosing a roller chain for a drive chain.
When sizing a chain, first determine how much power will be delivered. Then, determine how many teeth you need for the drive sprocket. The gear ratio is approximately 2:1. The number of sprocket teeth depends on the size of the motor. A chain with a higher tooth count requires fewer teeth than a smaller chain. The size of the drive sprocket also depends on the horsepower of the motor.
Before installing rollers or conveyor chains, make sure the drive system is properly aligned. If the drive chain is misaligned, the load on other components will be uneven. This can cause excessive wear on the sprocket or roller chain. Also, check that the sprocket is as close to the bearing as possible. Connecting links can be secured using openings or spring clips.
Different manufacturing processes can affect the performance of the roller chain. Some manufacturers have chains pre-installed at the factory to minimize initial stretch. Others build chains by preloading sprockets and ensuring consistent precision heat treatment. The final product may have greater elongation or less wear than previous products. It is best to follow the manufacturer’s recommendations to extend the life of the roller chain. If you are interested in purchasing a new drive chain, please contact a trusted supplier in your area.

Drop forged rivetless chain

Forged rivetless drive chains are ideal for applications where flexibility and strength are critical. The chain consists of forged steel components for high strength and lightweight. These chain assemblies are easy to assemble without the use of tools and are commonly used on carts, assembly lines, and drag conveyors. They are also compatible with related chain, drive, and accessory products. They have a short turning radius and therefore high flexibility and strength.
The X-348 Forged Rivetless Chain is an example of such a drive chain. This chain is perfect for automated machines that run late at night. It is available in a variety of weight limits and sizes. The chain is pre-stressed after assembly, and a two-year parts replacement warranty is standard. Its durability is also enhanced by the inclusion of push dogs that engage the front floating dogs on the leading free cart.
In addition to this type of chain, CZPT also offers a full line of Caterpillar Drive chains. They are designed to provide fatigue-free operation. The drive jaws are one-piece forged induction hardened steel compatible with forged rivetless chains. There are many special custom chains to choose from. These forged chains can be installed on Caterpillars as well as other types of tractors for maximum durability and efficiency.
Distributors of forged chain products offer a variety of sizes, pitches, and materials for material handling and conveying systems. Typically, this type of chain is used in conveyor and lifting applications and ranges from 3 inches to 9 inches. Depending on size and thickness, it is ideal for a variety of industries including automotive, food, paper, and steel mills. In addition, the chain is corrosion-resistant and corrosion-free.
chain

flat top chain

The flat-top drive chain is used for conveying large and medium workpiece pallets. These chains are available in a variety of materials and designs, including plastic, steel, and stainless steel. The steel flat top chain provides high wear resistance and excellent noise reduction. Steel flat-top chains are suitable for applications requiring high loads and excellent workmanship. HD profiles are compatible with steel flat-top chains and are highly recommended for extreme applications.
CZPT produces two types of flat-top chains. Tabletop chains are similar to wing door hinges, while MatTop chains are assembled using full-width pins. Both types are available in standard widths of 3.25 to 12 inches and are shipped in 10-foot sections. Both types can be shaped according to the width of the chain.
Double hinge pin flat-top chains are available with a variety of hinge pins. There are TAB and standard hinge pins for different machines and drive methods. A flat-top chain with dual-hinge pins will provide higher load carrying capacity, but be aware of the hinge pin size and style required for your application. The hinge pins should be long enough to ensure a smooth and smooth delivery. Double hinge pin flat top drive chains are available in a variety of sizes and designs.
Using standardized components and modules, the flat-top chain conveyor system is highly adaptable and can be seamlessly integrated into any production process. It can also be extended to handle a wider range of containers. Using a single drive, the CZPT system can be extended to a length of 40 meters. Its versatility makes it the choice of many industries. There is also a wide variety of flat-top drive chains to choose from.

time chain

The drive chain is a critical component of any internal combustion engine. They transmit the rotation of the crankshaft to the camshaft via the timing chain. These chains have been standard in cars since the turn of the 20th century, and while toothed belts have become a more cost-effective alternative, manufacturers such as Mercedes-Benz and BMW remain loyal to traditional chain drives.
Timing chains come in many shapes and sizes, with different designs depending on the type of load they must carry. Roller chains are the most common and offer an excellent balance of strength and NVH performance. Its design is similar to a bicycle chain, and the inner link consists of two blades pressed into the holes of the sprocket. Roller chains can also pass through smaller diameter sprockets, and roller chains take up less space than chain links.
The length of the chain allows it to stretch over time. In addition, improper oil maintenance can lead to premature timing chain damage. Without an oil change, the chain is not lubricated, causing the rollers and links to rub against each other. This can cause excessive chain wear and eventually chain breakage. To avoid premature timing chain failure, it is advisable to have your vehicle inspected by a mechanic.
For automotive timing chains, the CZPT website offers the best prices for the timing chain you need. You can find the right timing chain for your car by registering on this website. You can also contact a mechanic to get the parts you need. If you don’t know how to diagnose your timing mechanism, you can always check the owner’s manual or the manufacturer’s website. It is critical to follow the manufacturer’s recommendations to avoid catastrophic failure.
chain

Oil-impregnated bushing

Oil-impregnated bushings for drive chains are an excellent solution to drive chain lubrication problems. Usually, drive chains require additional lubrication, but by adding special oil-impregnated bushings, the chain can run without lubrication. Oil-immersed bushings, such as those of the CZPT brand for CZPT, are specially manufactured for this purpose. They capture oil during operation and release it onto the bearing surfaces, returning it to the bushing by capillary action.
Since their introduction to the automotive industry, engineered composite plastic bushings have been shown to provide longer service life and save up to 40% in maintenance costs. They have replaced bronze in thousands of applications, including pumps, medical equipment, and food processing machinery. Because oil-impregnated bronze bearings rely on capillary action, they must rotate to maintain a complete lubricating film. However, several factors prevent this film from fully forming, including low speeds and intermittent use.
During the manufacturing process, oil-impregnated bushings are manufactured to meet the wear resistance requirements of the drive chain. The sintered density of the oil-impregnated sintered bushing determines its mechanical strength. The larger sintered density increases the wear resistance of the oil-impregnated bushing but reduces the mechanical strength.
Whether or not a drive chain is lubricated will determine its overall life. Proper lubrication can extend chain life by 100% compared to a chain without proper lubrication. Proper lubrication means using high-quality oils without additives and oils that flow freely at prevailing temperatures. Indirect heating is required by immersing the drive chain in the molten pool as certain additives prevent oil from entering the chain joint.

China manufacturer Factory Outlet Stainless Steel Double Loop Chain Knotted Chain for Swing Set   attachment roller chainChina manufacturer Factory Outlet Stainless Steel Double Loop Chain Knotted Chain for Swing Set   attachment roller chain
editor by CX 2023-04-21