Product Description
Product Description
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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.
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Product Parameters
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Material
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According to your requirements, we provide various stainless steel for the double loop chain:
- Stainless Steel 201
- Stainless Steel 304
- Stainless Steel 316
- etc.
Or we can provide other materials according to your requirements.
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Size
We provide USA standard and DIN5686 of stainless steel knotted chains:
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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.
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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.
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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.
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Packaging & Shipping
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Packages for Knotted Chains
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According to the different needs of customers, we provide the following packaging for the selection:
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- Reel Package
The color of the reel can be customed.
 - Plastic Pail
We provide round pails, square pails, iron pails, paper pails, etc., and the color of the cover can also be customed.
 - Bundle
The bundle package is 1 of the most affordable packages, suitable for storage and transportation in large quantities.
 - PP bag
The PP bag is a self-sealing bag, which has high sealing performance and is more suitable for long-term storage.
 - Carton
The size of the carton packaging can be customized according to customer requirements and can be printed with patterns or logos.
 - Wooden Box
Wooden boxes are generally used for outer packaging, which is safer during transportation and will not be damaged
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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.
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Our Advantages
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Great Location
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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.
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Strong Technical Force and Production Equipment
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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.
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Strict Quality Control
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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.
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Multiple Quality Certifications
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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.
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Accept All Kinds of Customization
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We accept various customizations for the double loop chains, including:
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- 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.
 - Shape
We have experienced engineers who can easily adjust the machine to provide you with various shapes of knotted chains.
 - 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.
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Transaction & Payment Methods
Transaction Methods
According to the customer’s requirements, TUOHAI accepts the transaction method including FOB, CIF, EXW, DDU, etc.
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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.
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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.
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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.
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| Usage: | Dedicated Special Chain, Decorative Chain |
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| 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) | |
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| Customization: |
Available
| Customized Request |
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buy drive chain
Buying a drive chain requires a certain understading of its characteristics. This article discusses the different types of chains available, including Silent, Flat-top, and Duplex. By the end of this article, you should have a basic understanding of what each type of chain is for. First, here are some basic rules to keep in mind when shopping for a chain. To find the drive chain that best suits your needs, read on.
roller chain
Choosing the right roller chain for your drive chain depends on several factors. First, you have to determine the motor horsepower and rpm for the small drive sprocket. These values ​​determine the size of the chain and the number of teeth on the drive sprocket. Next, you need to determine the size of the conveyor chain, it can be the horizontal, vertical, or curved radius. Depending on your specific needs, you can also choose between two-strand or three-strand chains.
The roller chain of the drive chain must be properly tensioned. It should also have a proper lubrication system. Chain sag should not exceed two to four percent of the center distance (the distance between the two axles). Also, it shouldn’t make any unusual noises or obvious problems. One of the main reasons for excessive wear is the size of the load. Each chain has a specified maximum working load.
The maximum roller chain load must be less than 1/9 or 6 times the tensile strength of the drive chain. This amount should not exceed this threshold, as exceeding this level will result in chain plate fatigue. To avoid this, you should use a roller chain with a higher number of strands. Also, for high power requirements, a roller chain with a higher number of strands is recommended. One final tip for choosing a drive chain: it should not be used when there is a high risk of corrosion or rusting.
The materials used to manufacture roller chains vary according to the specific application. Common materials include steel and stainless steel. However, stainless steel is used in food processing machinery and other environments that require lubrication. Brass and nylon are also sometimes used. These factors determine the selection of suitable materials for the drive chain. If you are not sure which material to use, you can consult an industry professional. These professionals will help you choose the right chain for the job at hand.
mute chain
The design of the silent transmission chain is as follows: the large chain plates 2 are stacked one on top of the other in the direction of the chain length. The connecting rods are connected by connecting pins 3. The outermost and central guide plates 4 are fastened to the connecting pins 3 by means of rivets. This construction helps minimize friction on the sliding surfaces of the chain. Chainplate 2 of the silent transmission chain is usually made of stainless steel.
The link plates are made of steel and have a rectangular shape with pinholes 41. These guide plates have no teeth but have curved surfaces that guide the silent drive chain on the sprockets. In addition, the rear portion of the guide plate is higher than the portion of the chainplate. This feature improves pitch balance. The present invention is also applicable to silent transmission chains using rockers.
When it comes to chain design, it’s important to remember that silent drive chains are often used in automotive engines, especially timing and cam drives. This type of drive reduces noise and vibration due to its low engagement angle and links engagement with the sprocket. However, these applications are not limited to timing and cam drives; they can also be used for front-wheel power transmission. For example, silent drive chains are designed to resemble those used in NASCAR racing engines.
The design of the silent drive chain is based on the structure of the roller chain. Its components are standardized and manufactured according to pitch. There are single-row and multi-row versions. Quiet chains, also known as inverted tooth chains, are shaped to reduce noise from stretching. It’s also designed to minimize the amount of friction caused by small changes in pitch. Its teeth don’t slide against each other, so the chain is smoother and more durable.
flat top chain
One of the important parts of the flat top chainplate system is the hinge pin, which is used to fix the chainplate and is responsible for the smooth and efficient conveying of the chainplate. There are several types of hinge pins, including single hinge pins and double hinge pins. The single hinge pin is suitable for the chainplate with a small span and small bearing capacity, and the double hinge pin is suitable for the chainplate with a large span and high bearing capacity.
The side bending flat top chain is suitable for conveying large and medium workpiece pallets. They can be made of steel or plastic, each with its own advantages. Both chainplates are designed to convey material smoothly. Side curved flat-top chains can be used on straight conveyors. They have a low coefficient of friction and can transport weights up to 1.2 kg/cm. They can also be combined with HD profiles.
Flat top drive chains are usually made of plastic material and come in two types: tabletop chains and buffer chains. They come in a variety of widths, but the most popular are standard widths, ranging from 3.25 inches to 12 inches. MatTop chains are usually shipped in 10-foot lengths. They come in different styles, but they all have the same basic specs. Tabletop chains are designed for general conveying, while pad chains are used for specific applications. Solid top chains are suitable for conveying bulk materials, while wide pad chains can handle large volumes of fluids and/or solid-solid mixtures.
These chain conveyors can be used to convey, connect or lift small items. This type of chain is especially useful in industries where the product is hot or greasy. The modular design of these chains allows them to be configured in three dimensions, making them suitable for production changes and transitions. They also help reduce slack in the chain. Flat top chains are commonly used in final assembly and mechanical or paint restoration in the automotive industry.
double chain
Besides the roller chain, another type of chain drive is the double drive chain. This type of chain consists of a series of short cylindrical rollers connected together by side links and driven by gears called sprockets. This type of chain is very reliable and only requires a tractor with a high rpm PTO. It is manufactured by CZPT and is available in many different sizes and finishes.
Self-lubricating chain
Self-lubricating drive chains are the ideal solution for applications that do not require the relubrication of conventional chains. This maintenance-free roller chain features fully heat-treated components that increase the chain’s fatigue resistance and strength. It’s sintered alloy bushings are oil-impregnated, reducing the chance of premature wear and elongation. Its self-lubricating properties enhance its durability and work well even in hard-to-reach places.
CZPT self-lubricating roller chains feature preloaded sintered steel bearing pins and oil-impregnated sintered bushings. These chains are drop-in replacements for standard roller chains and run on the same sprockets as standard chains. In addition to being maintenance-free, self-lubricating roller chains are compatible with most existing sprockets and are ideal for demanding applications.
The O-ring chain concept was used to develop self-lubricating systems. It has two or more annular grease storage chambers. A self-lubricating bushing roller chain has an oil reservoir between its pin chain and the roller chainplate. A grease seal between these two plates isolates the moving parts and keeps the joints well lubricated. O-rings are made of special nitrile rubber, whose properties vary by application.
CZPT SLR conveyor chains and CZPT SLR drive chains have rollers on sintered bushings. CZPT SLR chains and SLR conveyor chains are self-lubricating and have a higher working load than standard ANSI chains. They may not be interchangeable with other self-lubricating chains from other manufacturers. Self-lubricating drive chains are the best solution for demanding industrial applications requiring heavy-duty, reliable conveying.
editor by CX 2023-05-16