Tag Archives: anchor chain roller

China best 122mm Black Painted Stud Link Marine Ship Anchor Chain with Kr roller chain size chart

Product Description

1.Product description
122mm Black Painted Stud Link Marine Ship Anchor Chain with KR

1. Variety: Grade1, Grade 2,Grade 3,ORQ,R3,R3S,R4stud link anchor chain; studless anchor chain; buoy chain,D-type anchor
shackle; Hatch-cover chain,lifting chain,kiln chain and others; DIN Standard chain; Special chain as per your requirments and their accessories.
2. MATERIAL GRADE: ANCHOR CHAIN:GRADE 2/U2, GRADE 3/U3,
MOORING CHAIN:ORQ,R3,R3S
3.Material:20Mn (CM490),30Mn(CM690)
4.Length: 25m or 27.5m or as per your request.
5. FLASH BUT WELED
6.Surface: Self Color, Black Painted, Hot Dip Galvanized
7.Relevant Certificates: ABS, BV, CCS, DNV, KR, LR, GL, NK and RINA etc.
8. Grade U2 / U3 from 12.5mm to 162mm; Grade ORQ / R3 /R3S / R4 from 58mm to 162mm
9. accessories: kenter shackle, joining shackle. anchor shackle,pear type joining shackle
buoy shackle type A, Swivel shackle
pear type link, trangle plate.
10.Difference between Stud link chain and studless chain:
Originally studs were added to the chain to stiffen the links preventing them from severely deforming when overloaded. They have
the added advantage in that they prevent the chain from knotting up when twisted, thus avoiding problems when chain is retrieved
with a windlass.
11.Packing: Wire Rope Bundled, Ton Bag, Wooden Box, as required
Using range:a.Marine chain b.Fishing &boat chain;c.Mine chain;d.Cement lifting round chain.
12. Shipping port: HangZhou port/ZheJiang port

 

Product Name 56mm China CCS Certificate Hot sale Marine Stud Link Anchor Chain NK
Material Steel Bar
Color natural colour,Painted, Galvanized
Standard ISO-1704-2007,IACSW18,W22,API-2F(U.S.A),Appvoved by 9 international class,such as ABS,DNV,BV,LR...
Grade Grade 2 & Grade 3 for Anchor chain
Brand CSAC
Chain Link Type Stud link chain

2.Our Package and shipping
1). Gunny bag, inside PVC bag and outside gunny bag +pallet
2). Wooden case or pp ton woven bag
3). Others as customer required

3.Why to choose us:
a. 12 years experience in anchor chain production and export. 
b. Direct factory price, quick delivery, professional package and container loading design.
c. Quality assurance. ISO 9001:2008,Mill Certificate,ABS,LR,BV,CCS,NK,DNV,KR,GL
d. Excellent sales team, offering personalized and dedicated pre-sale and after-sale service
e.Our main workshop is in ZheJiang , with sales office HangZhou and oversea stock warehouse in Singapore.,greatly saving a lot of inland transportation expenses in China
F.Our factory is also ISO9001, ISO14001 GB/T 549, JIS F3303, Gost 228, IACS, OCIMFapproval and API approval.

4.Equipment
Manufacturing process quality control from raw material to final product.
Whole set drawing approved by all IACS members; Material Fatigue Test on request; Stress Analysis on request; Stress actual test on quest.
Magnetic power testing, ultrasonic testing, and fluorescent penetrant inspection.
Load test machine up to 4000Ton.

5.Our workshop
1. We are Manufacturer.

2.We accept customized drawing and dimension.

3.Grade U1/U2 /U3/U4 stud link chain Size from 22mm to
162mm.

4.Best Quanlity,Competitive pricing,24 hours Service.

5.Speedy delivery, if it in the stock, the delivery time is 10 days.
6. The certificates that we may provide are :ABS,BV,CCS,DNV,GL,KR,LR,NK,RINA, Mill

The first phase of development includes an area of 180,000 m2,with about 500 staff,including engineers,project technicians and administration personnel.The main production equipments such as NO.5,NO.6,NO 7,NO 8,NO 9 and N0 11chain production lines.Vertical Q.T. CZPT and various cutting and tensile testing machines are of the first class.
Our advanced flash butt welding and the production is in accordance with ISO9001,GB549,GB/T20848 and the standards of the leading classification societies worldwide.The main products are marine anchor chains and mooring chain with diameter from 17.5mm-162mm.Our annual production capacity is currently around 100,000tons and ecpected to increase dramatically in the following even further investments.

6.FAQ
1. who are we?
We are based in ZheJiang , China, start from 2019,sell to Eastern Europe(30.00%),Southeast Asia(20.00%),North America(10.00%),Mid East(10.00%),Western Europe(10.00%),South Asia(8.00%),South America(5.00%),Northern Europe(5.00%),Africa(2.00%). There are total about 101-200 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Anchor Chain,Stud Link Anchor Chain,Mooring Chain,Anchor,Mooring Buoy

4. why should you buy from us not from other suppliers?
1.Certificate advantage: we have LR,BV,ABS,NK,KR,DNV,CCS.2.Delivery advantge:delivery can be within 2 days for urgent order.3.Stock advantage: we have stock for sizes from 30mm to 97mm 4.Location advantage: we are near to ZheJiang port and main shipyards.

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,Express Delivery;
Accepted Payment Currency:USD,EUR;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese,Spanish

7.Our certificate
Lloyd's Rigister of Shipping (LR)
American Bureau of Shipping (ABS)
Det Norske Veritas (DNV)
Germanischer Lloyd (GL)
Bureau Veritas (BV)
Korean Register of Shipping (KR)
Nippon Kaiji Kyokai (NK)
Registro Ltaliano Navale Group (RINA)
China Classification Society (CCS)
Russian Maritime Register of Shipping (RMRS)
Indian Register of Shipping (IRS)
Croatian Register of Shipping (CSR)

 

After-sales Service: 12 Months
Warranty: 12 Months
Application: Boat
Standard: ASTM, GB, JIS, ISO
Customized: Customized
Surface Treatment: Baking Paint
Customization:
Available

|

Customized Request

chain

Three important aspects of the drive chain

One of the advantages of a drive chain is that it is relatively light. It sends nearly all of the engine's power to the rear wheels, even if it loses some power along the way. Engine power on a dyno is different than on the road. Therefore, the chain is the most efficient way to transmit power to the rear wheel. Let's look at three important aspects of the drive chain. Here are some facts about them.

roller chain drive

When choosing a roller chain drive, consider your application and how much horsepower your system requires. For applications requiring more horsepower, a multi-strand drive is an option. If your horsepower is limited, single-strand drives are a good choice. Otherwise, you may need to choose the smallest pitch chain. However, this may not always be possible. You should also consider sprocket size. In many cases, choosing a smaller chain pitch can increase the number of options.
While proper lubrication and maintenance can last a roller chain drive for years, regular inspections are essential to prolonging its life. After the drive has been operating for 100 hours, a thorough inspection every 500 hours is recommended. During this inspection, look for key elements such as 3% elongation and chain wear. If the chain is not preloaded, elongation will happen very quickly. In either case, the industry-recommended 3% elongation will be achieved faster.

flat top chain

The flat-top chain system consists of hinge pins that support the chain to ensure efficient conveying. There are different types of hinge pins available, namely single and double. The single hinge pin is suitable for short chainplates and lightly loaded products. Dual hinge pins provide increased stability and load capacity. Flat top drive chains can be used in many different industries. In this article, we will learn about some important properties of flat-top chains.
Plastic flat top chains can transport medium to large workpiece pallets. They have a circular arc function that enables continuous drive combinations involving curved circular arcs. Plastic flat top chains are also recommended for workpiece pallets with PA wear pads. Steel flat-top chains can withstand surface loads up to 1.5 kg/cm, and HD profiles are suitable for steel chains. This chain is used in a variety of applications, including packaging machines.

mute chain

There are several types of mufflers that can silence your drive chain. One is the Ramsay silent chain, also known as the inverted tooth chain. These chains can be custom designed for specific needs. Exclusive Australian distributor of CZPT products that can help you find the most effective and affordable silent chain. In addition to silent chains, CZPT also manufactures sprockets and other hardware required for the drive.
Another type of mute chain is the CZPT chain. CZPT chains have involute teeth, while the ANSI standard specifies straight teeth. The advantage of silent chains is reduced noise and vibration output, and wider chains are more economical than multi-strand roller chains. The downside of silent chains is that they wear out quickly without lubrication.
The mute chain consists of two main parts, the pin and the plate. The pins are rotated in the same direction and positioned so that they can only engage the sprocket from one direction. Therefore, mute links are not recommended for reverse applications. To find out if your chain will work in reverse, consult the manufacturer's catalog. CZPT chain.

conveyor chain

Drive chains and conveyor chains are essentially the same, but they are very different. The transmission chain is mainly used to transport heavy objects, and the conveyor chain is used to transport light objects. On the other hand, drive chains are usually driven by belts. Both types of chains can be used for the same purpose. This article will cover both types of chains. You can use them to convey various types of materials and products.
There are some differences between belts and chains, but both types can perform similar functions. The drive chain is used to drive the rollers, while the belt is used to move the object horizontally. The drive chain usually drives the rollers that move the conveyor belt. For a wide range of applications, conveyors and drive chains can be customized to meet specific needs. Here are some common uses of these two chains:
chain

time chain

Timing chains fail for two reasons: complete damage and fatigue. Fatigue occurs when a timing chain reaches its breaking strength, and eventually, failure occurs when a timing chain exceeds its design life and suffers mechanical damage. Most timing chain failures are a combination of mechanical failure and fatigue. Chain chatter, engine misfires, and VVT systems can accelerate chain fatigue. If these causes of premature timing chain failure are not addressed, the timing chain could be permanently damaged.
In the past, the timing chain was the only drive chain available. Timing belts are a quieter alternative, but they are prone to failure and damage to valves and the engine. In recent years, OEM manufacturers have begun to return to the OHC/DOHC drive chain of the timing chain. This type of drive chain has many advantages, including the ability to simulate knock sensor vibrations. Additionally, the chain has better NVH performance, making it the drive chain of choice for automakers.

Timing Chains in Internal Combustion Engines

Internal combustion engines use timing chains to control intake and exhaust valves. The chain turns the camshaft at the right time and coordinates the movement of the valves on the cylinder head. This in turn allows the engine to generate power. The timing chain also controls the position of the intake and exhaust valves, ensuring that fuel and exhaust gases are expelled at the correct time. Incorrect timing in the vehicle can lead to misfires and other problems.
Chain drives in internal combustion engines are a common feature of many modern cars. It transmits rotational force from the crankshaft to the camshaft, which in turn controls the opening and closing of valves. The chain is lubricated with oil to prevent wear. Therefore, timing chains are often used in high-capacity engines, including trucks and motorcycles. But they do have some drawbacks.
A weakened timing chain can cause the engine to misfire, causing it to skip gears and lose coordination. A clicking sound may also indicate a problem. If the chain is too loose, it can also cause the engine to stall. If the chain is too loose, metal chips will appear in the oil. A clicking sound may also be heard when the engine is running. If you hear the engine stalling, it's likely that the timing chain is the culprit.

Silent chains in internal combustion engines

The pitch difference between the drive sprocket and the silent chain reduces resonance sound, meshing shock, and accelerated wear at the chain and sprocket interface. The difference in pitch between the drive sprocket and the silent chain determines the loudness of the sound, and the system described here helps reduce it. The present invention is suitable for power transmission in internal combustion engines.
The earliest designs for silent chains come from the 1500s when Leonardo da Vinci sketched them. The SS Britannia propels the boat across the Atlantic using huge silent chains. By the mid-19th century, silent chains were used in nearly all types of industrial applications and as timing chains for early automobile engines. Due to their durability, these chains are durable and have smooth action.
In order to understand the mechanism of frictional losses in chains, various parameters must be considered. Speed, pitch, temperature and tension are the main parameters affecting friction loss. This test uses two types of chains to compare the frictional behavior between these two components. The results show that a single chain with a high pitch can increase the friction torque of another chain with the same pitch. These results provide an important basis for understanding the role of friction torque in internal combustion engines.
chain

lifting chain

Lift chairs are designed to lift heavy objects and can be used with a variety of lifting equipment, including forklifts and cranes. Hoist chains are also used in warehouses and ports of all sizes and consist of a series of pins and plates that mesh with each other to move heavy loads. ​​​CZPT Chain manufactures high-precision lifting chains. Here are some of the benefits of hoist chains for drive chains.
Blade Chain: This type of drive chain has a patented U-profile that turns the flexible chain into a highly stable outer post during the push phase. This design is designed to minimize linkage tangling and provide better pressure transfer. These chains are used for cranes, anchors and straddle carriers. Blade chains are more durable than other types of drive chains and are especially useful in heavy duty applications.
The drive chain is also available in a variety of materials. For example, square link chains are commonly used in cranes and hoists. They are cheap to manufacture but more prone to overloading. Conveyor chains are specially designed for chain conveyor systems. It consists of a series of interconnected rectangular links. Oval links tend to kink and are usually only used at low speeds.

China best 122mm Black Painted Stud Link Marine Ship Anchor Chain with Kr   roller chain size chartChina best 122mm Black Painted Stud Link Marine Ship Anchor Chain with Kr   roller chain size chart
editor by CX 2023-05-30

China factory U2 U3 Black Painted Stud Link & Studless Marine Ship Anchor Chain a2050 roller chain

Product Description

Studlink & Studless Marine Ship Anchor Chain

PRODUCT DETAILS
Service: Your inquiry will be replied within 12 hours.
Product name:

Studlink & Studless Marine Ship Anchor Chain

Place of origin: ZheJiang , China.
Brand: LS
Material: Carton steel ( Iron, Alloy Steel 20Mn2, 25MNV).
Size:16mm-135mm
Surface: BiHangZhou plated (or Hot Dip Galivanized,Polished, Self-color).
Grade: U2,U3,R2,R3
Stock: There are emergency stocks for regular sizes.
Sample:The sample is free, the freight should on your Account before your first order.
Packing method:Nude Packing or Ton Bag.

Stud and studless link anchor chain  Size(6×3.6D) Proof Load  Weight
Diameter Size U1 stud link anchor chain U2 stud link anchor chain U3 stud link anchor chain Weight
D(φ)
  Outside length Outside width Proof load Breaking load Proof load Breaking load Proof load Breaking load 27.5M
  L B
     
Inch mm mm mm KN KN KN KN KN KN KG
1/2 12.5 75 45 46 66 66 92 92 132 98
9/16 14 84 50.4 58 82 82 116 116 165 119
5/8 16 96 57.6 76 107 107 150 150 216 156
11/16 17.5 105 63 89 127 127 179 179 256 186
3/4 19 114 68.4 105 150 150 211 211 301 230
13/16 20.5 123 73.8 123 175 175 244 244 349 260
7/8 22 132 79.2 140 200 200 280 280 401 300
15/16 24 144 86.4 167 237 237 332 332 476 370
1-1/16 26 156 93.6 194 278 278 389 389 556 431
1-1/8 28 168 100.8 225 321 321 449 449 642 496
1-3/16 30 180 108 257 368 368 514 514 735 564
1-1/4 32 192 115.2 291 417 417 583 583 833 635
1-5/16 34 204 122.4 328 468 468 655 655 937 712
1-7/16 36 216 129.6 366 523 523 732 732 1050 800
1-1/2 38 228 136.8 406 581 581 812 812 1160 887
1-9/16 40 240 144 448 640 640 896 896 1280 1032
1-5/8 42 252 151.2 492 703 703 981 981 1400 1084
1-3/4 44 264 158.4 538 769 769 1080 1080 1540 1197
1-13/16 46 276 165.6 585 837 837 1170 1170 1680 1310
1-7/8 48 288 172.8 635 908 908 1270 1270 1810 1438
2 50 300 180 686 981 981 1370 1370 1960 1546
2-1/16 52 312 187.2 739 1060 1060 1480 1480 2110 1661
2-1/8 54 324 194.4 794 1140 1140 1590 1590 2270 1791
2-3/16 56 336 201.6 851 1220 1220 1710 1710 2430 1926
2-5/16 58 348 208.8 909 1290 1290 1810 1810 2600 2086
2-3/8 60 360 216 969 1380 1380 1940 1940 2770 2249
2-7/16 62 372 223.2 1030 1470 1470 2060 2060 2940 2361
2-1/2 64 384 230.4 1100 1560 1560 2190 2190 3130 2516
2-9/16 66 396 237.6 1160 1660 1660 2310 2310 3300 2676
2-11/16 68 408 244.8 1230 1750 1750 2450 2450 3500 2885
2-3/4 70 420 252 1290 1840 1840 2580 2580 3690  

Payment term
30% advanced by T/T, the balance should be paid after see the copy of the B/L; L/C at sig-ht; Western Union.

Delivery time:Usually within 15-30days according to your required size&quantity.

Using range
1.Marine chain 2.Fishing &boat chain;Mine chain;Cement lifting round chain.

Xihu (West Lake) Dis. always lead the new development of technologies, new products
And value-added services. Over the years, link chains have been created, applied,
And enable real growth forcustomers into newmarketplaces.

Link chains are widely used in various industries.
1. Decoration; Protection; Lifting; Traction etc.
2. Fishing &boat chain; Mine chain; Cement lifting round chain.
30% advanced by T/T, the balance should be paid after see the copy of the
B/L; L/C at sight; Western Union.

We have good relationship with clients around the world, we welcome your visiting.
We welcome your inquiry!

Studlink & Studless Marine Ship Anchor Chain

More Details Information,Please Feel Free Contact US.
 

Application: Boat
Standard: ASTM, GB, DIN, ANSI, JIS, ISO
Customized: Non-Customized
Surface Treatment: Bitumen
Material: Steel
Type: Stud Chains

chain

Different types of drive chains

There are many different types of drive chains. You should be able to differentiate between roller chains, forged rivetless chains, double chains, flat-top chains, and helical chains by the terms used. This article will provide information on the different types of chains. Then, you can choose the right one according to your needs. If you haven't purchased a chain yet, read this article to get started. It will also provide information on the pros and cons of each type.

roller chain

There are several differences between drive chains and roller chains, but in essence, the two are functionally similar. The choice of which type to use depends largely on the type of environment it will be exposed to. While roller chains are suitable for clean indoor environments, they are not very forgiving when it comes to rubbing against the rails. Following are the main differences between a drive chain and a roller chain. Using the correct drive chain is essential for a smooth and efficient running machine.
Roller chain drive chains come in many different weights and tensile strengths. For light-duty applications, use a smaller pitch chain. For heavy-duty applications, use larger pitch chains. The design simplicity of these chains makes them ideal for a variety of applications. While they are great for a variety of applications, the durability of these chains makes them ideal for a variety of applications. Some of the main uses of roller chain drive chains are listed below.
When replacing the drive chain, be sure to follow the safety guidelines. The most important thing to remember is not to place the chain on a dirty floor as it may cause stretch or damage. After removing the chain from the sprocket, apply the measured load specified by ANSI to it. If the load exceeds this value, the chain may bend. A suitable load for measuring a drive chain should be at least six links.
While roller chains are usually made of carbon steel, some are made of stainless steel and are used in food processing machinery. In these environments, the chain may be made of stainless steel for lubrication. Brass and nylon are also sometimes used to meet these requirements. Regardless of the application, however, choosing the right drive chain is critical to the success of a roller chain machine. It is important to maintain the proper balance between the roller chain and the machine.
To properly use a roller chain, first determine the size of the sprocket used for the drive. The size of the chain should be smaller than the smallest sprocket to prevent tooth interference and provide adequate winding on the smaller sprocket. A good practice is to choose a drive chain with a center distance of 30 to 50 times the chain pitch. The longest possible center-to-center distance is approximately 80 times the chain pitch but is not recommended for high-speed applications.

Drop forged rivetless chain

Drop-forged rivetless drive chains are made of drop-forged steel components. Their proportions are suitable for strength and lightweight. Forged rivetless chains are generally divided into three types. Each of these types has its own set of important specifications. Key topics include minimum ultimate tensile strength, chain length tolerances, and link dimensions. Read on to learn more about each type and its uses.
One of the main features of forged rivetless chains is that, despite their relatively low price, they are designed to be very durable. The quality of a forged chain depends on the structure and design of the chain. The manufacturer of this type of drive chain is CZPT, which has a large stock of these chains. The chain is proof tested after assembly and comes with a two-year parts replacement warranty.
Forged rivetless chains are available in a variety of pitch sizes and strength grades. They are made of cast manganese or alloy steel and have an average strength of 24,000 to 300,000 pounds. These chains are suitable for automotive, conveyor, and material handling as well as meat packaging, sugar processing, and steel mill applications. They are also widely used in conveying systems. To ensure quality and performance, manufacturers offer a variety of forged chains.
CZPT offers forged CZPT drive chains for fatigue-free operation. The chain includes a solid one-piece forged drive pawl for optimum durability. Chains are available in Figure 8 and in D-shape styles. For more information, please contact CZPT directly. Custom Drop-Forged rivetless drive chains can be ordered. Manufacturers also offer custom chains for specific application needs.

double chain

Duplex drive chains have two sets of rollers instead of one, producing twice the power. Double chain roller chains have pins and roller bearings, while triple chain chains have an extra row of plates to accommodate the three sprockets. They are usually interchangeable with each other. They are available for US, UK, and ISO standards. They are made of carbon steel, stainless steel, and nickel or nickel-plated.
chain

flat top chain

Flat-top drive chains are ideal for curved or straight tracks and come in many different types and thicknesses. These chains are highly resistant to wear and are usually made of steel, stainless steel, or plastic. CZPT manufactures special brands of flat-top chains with high wear resistance and excellent noise reduction. In addition to being versatile, flat-top chains can be used in a variety of industrial applications.
There are two main types of CZPT chains: solid top or raised rib. One piece is formed from a single unit link and the other has roller base links for added strength. The two-piece chain combines flat tabletop links and a roller bottom chain for added strength. These chains are available in widths up to 20 feet and are available in a variety of widths. These chains are available in stainless steel, cast iron, or plastic.
The hinge pin is another important part of the flat top chain system. Support chain plate to ensure smooth conveying. The hinges are available in single hinge pin and double hinge pin styles. Standard hinge pins are designed for straight, narrow-width chainplates; double hinge pins are designed for longer, heavier products. The hinge pins also come in many different materials, including aluminum and galvanized steel. This allows for customization based on machine design, operating conditions, and drive method.
Whether your flat-top chain conveyor system is large or small, a high-quality flat-top chain will get the job done. With their low maintenance and low maintenance design, these chains are easy to clean and maintain. They can accommodate workpiece pallets of various sizes, and their flexibility makes them ideal for many different applications. They can also be highly customized for various industries. So if you need an industry-specific conveyor, then a flat-top drive chain is the way to go.

China factory U2 U3 Black Painted Stud Link & Studless Marine Ship Anchor Chain   a2050 roller chainChina factory U2 U3 Black Painted Stud Link & Studless Marine Ship Anchor Chain   a2050 roller chain
editor by CX 2023-05-23

China Custom U2 U3 Black Painted Stud Link & Studless Marine Ship Anchor Chain a2040 roller chain

Product Description

Studlink & Studless Marine Ship Anchor Chain

PRODUCT DETAILS
Service: Your inquiry will be replied within 12 hours.
Product name:

Studlink & Studless Marine Ship Anchor Chain

Place of origin: ZheJiang , China.
Brand: LS
Material: Carton steel ( Iron, Alloy Steel 20Mn2, 25MNV).
Size:16mm-135mm
Surface: BiHangZhou plated (or Hot Dip Galivanized,Polished, Self-color).
Grade: U2,U3,R2,R3
Stock: There are emergency stocks for regular sizes.
Sample:The sample is free, the freight should on your Account before your first order.
Packing method:Nude Packing or Ton Bag.

Stud and studless link anchor chain  Size(6×3.6D) Proof Load  Weight
Diameter Size U1 stud link anchor chain U2 stud link anchor chain U3 stud link anchor chain Weight
D(φ)
  Outside length Outside width Proof load Breaking load Proof load Breaking load Proof load Breaking load 27.5M
  L B
     
Inch mm mm mm KN KN KN KN KN KN KG
1/2 12.5 75 45 46 66 66 92 92 132 98
9/16 14 84 50.4 58 82 82 116 116 165 119
5/8 16 96 57.6 76 107 107 150 150 216 156
11/16 17.5 105 63 89 127 127 179 179 256 186
3/4 19 114 68.4 105 150 150 211 211 301 230
13/16 20.5 123 73.8 123 175 175 244 244 349 260
7/8 22 132 79.2 140 200 200 280 280 401 300
15/16 24 144 86.4 167 237 237 332 332 476 370
1-1/16 26 156 93.6 194 278 278 389 389 556 431
1-1/8 28 168 100.8 225 321 321 449 449 642 496
1-3/16 30 180 108 257 368 368 514 514 735 564
1-1/4 32 192 115.2 291 417 417 583 583 833 635
1-5/16 34 204 122.4 328 468 468 655 655 937 712
1-7/16 36 216 129.6 366 523 523 732 732 1050 800
1-1/2 38 228 136.8 406 581 581 812 812 1160 887
1-9/16 40 240 144 448 640 640 896 896 1280 1032
1-5/8 42 252 151.2 492 703 703 981 981 1400 1084
1-3/4 44 264 158.4 538 769 769 1080 1080 1540 1197
1-13/16 46 276 165.6 585 837 837 1170 1170 1680 1310
1-7/8 48 288 172.8 635 908 908 1270 1270 1810 1438
2 50 300 180 686 981 981 1370 1370 1960 1546
2-1/16 52 312 187.2 739 1060 1060 1480 1480 2110 1661
2-1/8 54 324 194.4 794 1140 1140 1590 1590 2270 1791
2-3/16 56 336 201.6 851 1220 1220 1710 1710 2430 1926
2-5/16 58 348 208.8 909 1290 1290 1810 1810 2600 2086
2-3/8 60 360 216 969 1380 1380 1940 1940 2770 2249
2-7/16 62 372 223.2 1030 1470 1470 2060 2060 2940 2361
2-1/2 64 384 230.4 1100 1560 1560 2190 2190 3130 2516
2-9/16 66 396 237.6 1160 1660 1660 2310 2310 3300 2676
2-11/16 68 408 244.8 1230 1750 1750 2450 2450 3500 2885
2-3/4 70 420 252 1290 1840 1840 2580 2580 3690  

Payment term
30% advanced by T/T, the balance should be paid after see the copy of the B/L; L/C at sig-ht; Western Union.

Delivery time:Usually within 15-30days according to your required size&quantity.

Using range
1.Marine chain 2.Fishing &boat chain;Mine chain;Cement lifting round chain.

Xihu (West Lake) Dis. always lead the new development of technologies, new products
And value-added services. Over the years, link chains have been created, applied,
And enable real growth forcustomers into newmarketplaces.

Link chains are widely used in various industries.
1. Decoration; Protection; Lifting; Traction etc.
2. Fishing &boat chain; Mine chain; Cement lifting round chain.
30% advanced by T/T, the balance should be paid after see the copy of the
B/L; L/C at sight; Western Union.

We have good relationship with clients around the world, we welcome your visiting.
We welcome your inquiry!

Studlink & Studless Marine Ship Anchor Chain

More Details Information,Please Feel Free Contact US.
 

Application: Boat
Standard: ASTM, GB, DIN, ANSI, JIS, ISO
Customized: Non-Customized
Surface Treatment: Bitumen
Material: Steel
Type: Stud Chains

chain

Tips for Buying Roller Chains

There are several things to consider when buying a new roller chain. Chains can be heavy-duty roller chains or self-lubricating chains. These factors all affect the wear of the roller chain. Proper lubrication and adjustment are important to prolong the life of the chain. Here are tips for buying a new roller chain. Some common types of roller chains are listed below. The type you choose depends on its purpose.

Bushingless Roller Chains

The tensile strength of a bushingless roller chain is often the primary measure of its durability. It represents the maximum load a chain can withstand before breaking, but fatigue strength is just as important. Factors that affect fatigue strength include the steel used to manufacture the chain, the quality of the pitch holes, the type of shot peening used, and the thickness and design of the chainplates. Here are some tips on how to test the fatigue strength of bushless roller chains.
The inner link plate 130 is thicker than the outer link plate 120. This feature helps the connecting pins and rollers remain stable. This feature reduces wear and noise. It also improves the overall durability of the chain. Unlike traditional chains, bushingless roller chains are easier to maintain than comparable chains. They also reduce the risk of sprocket wear. Bushingless roller chains are ideal for demanding applications where noise is a concern.
Unlined roller chains are generally less expensive than lined roller chains. Bushings are integrated into the inner plate, while those in conventional chains are inserted into the outer plate. The result is lower cost and more flexible lateral movement - a requirement for modern derailleur gearing. But with all these advantages, choosing a linerless chain is still essential. You should read reviews about the durability of bushingless roller chains before buying.
In its simplest form, the connecting pin 140 is pressed into the pinhole 126 in the direction of chain travel. Connecting pins 140 extend through these holes to connect the inner link plate and the rollers. The connecting pins can also be welded to the outer link plates. During assembly, chain C can be efficiently assembled from one side in the engine width direction. If you have an older car, you can try the bushless version and see how it goes.
Another variation of bushless roller chains involves sprockets and connecting pins. The outer link plate has connecting pins extending through holes in the inner link plate. The rollers are able to rotate on the connecting pins, thus lubricating them. There are two types of bushingless roller chains: connecting pin chains and sprocket chains. These two types of bushingless roller chains are generally interchangeable.
Linerless roller chains can contain chain guides. During the riveting process, the outer and inner link plates compress against each other, reducing friction and power loss. ANSI Standard B29.1-2011 is designed to make it easier for you to choose the right chain for your vehicle. This version is also quieter, reducing noise. In addition to improved efficiency, bushingless roller chains offer better durability. It is easier to install and less expensive to maintain.

Single Strand Heavy Duty Roller Chain

Single Strand Heavy Duty Roller Chains, also known as Single Strand Heavy Duty Roller Chains, are available in a variety of sizes. These chains run on standard roller sprockets and have thicker side plates. These increase their tensile strength, fatigue rating and overall working life. Monostrand chains are available in three quality levels: riveted, open and closed.
If your chain needs to be replaced, your best bet is to buy replacement parts. Single strand roller chains are usually ten feet long. For larger sizes, consider purchasing a single-strand heavy-duty roller chain that is three times longer. This way, you don't have to worry about damaging your machine. Oregon roller chains are manufactured to OEM standards.
CZPT Plus Heavy Duty Roller Chains feature solid rollers for light to medium duty applications. It meets ANSI B29.1 durability standards and is ideal for light to medium duty applications. CZPT Plus Heavy Duty Roller Chains have solid bushings in selected sizes to ANSI B29.1. CZPT Plus heavy duty roller chains are supplied with ample lubricant. If your application requires heavy duty roller chains, you can find them at CZPT Chain and Sprockets.
In addition to single-strand heavy-duty roller chains, there are three-strand heavy-duty roller chains. These chains can withstand enormous pressure and are ideal for applications in agriculture, sewage treatment, machinery, and more. They are designed to last for years without breaking. So whether you're looking for a heavy duty roller chain for your farm equipment or construction, American Roller Chain has you covered.
In order to choose the right size for your needs, you must first determine the diameter and overall width of the roller chain. You also have to measure the width of the drum itself. This information will determine how many chains you need to order. The measurement and selection of dimensions will determine the cost of your new roller chain. Buying the right roller chain is simple and convenient if you understand all of these factors. So use a caliper and make sure the roller chain is measured correctly.
The size of a single strand heavy duty roller chain is critical to the stability of your business. You can save a lot of money by buying a high-quality roller chain. Just make sure to store it properly. Its shelf life is virtually unlimited. When properly stored, a single-strand heavy duty roller chain can improve the stability of your business for years to come. A single-strand chain is an affordable investment that will pay dividends for your business.
chain

Self-lubricating roller chain

Self-lubricating roller chains can be used in a variety of applications. This type of chain is an excellent choice for areas that cannot be manually lubricated. It also reduces the risk of contamination as no lubricant is required at all. Self-lubricating roller chains are available in a variety of designs and are compatible with a wide variety of food applications. If you're interested in learning more about such chains, keep reading!
There are two main types of chains of this type: DIN ISO 606 and DIN 8187. They are similar in construction to traditional chains, but are more durable. They have higher friction and wear resistance than traditional roller chains. These chains are also very effective in applications that require a lot of moisture and water flushing. They require less maintenance and can last a long time. Another benefit of self-lubricating chains is that they last longer than regular roller chains, which can be quite expensive.
Another self-lubricating roller chain is the non-lubricating type. These chains are internally lubricated and isolated from the external environment. Ideal for low to high load applications, these chains will last 5 to 20 times longer than comparable initially lubricated roller chains. Self-lubricating roller chains have so many advantages, you'll be glad you bought one.

China Custom U2 U3 Black Painted Stud Link & Studless Marine Ship Anchor Chain   a2040 roller chainChina Custom U2 U3 Black Painted Stud Link & Studless Marine Ship Anchor Chain   a2040 roller chain
editor by CX 2023-05-22

China Grade U1 U2 U3 24mm 42mm Stainless Steel Studless Link Marine Anchor Chain for Ship roller chain

Solution Description

Black Paint Studless and Stud Hyperlink Anchor Chain

Item Description

G80 higher toughness chain, broken off intensity=800Mpa

4 Moments Protection Factor 2.5 occasions the check load

1. Materials: High quality Alloy Metal 20Mn2
two. Standard: EN818-2
3. Size: 5mm to 25mm
four. Colour offered: Metal colour, black, yellow, silver white, black finished and so on. Can be supplied on hooks or assemble to meet up with customer's needs.
Creation Flow--------------------------------------------------------------------------

Production Products------------------------------------------

Deal--------------------------------------------------------------------------------------------

G80 BLACK CHAIN
 

 

LINK SPECIFICATION W.L.L PROOF Check BREAKING LOAD WEIGHT
Art.NO D L I
     mm   mm mm ton KN KN kg/m
HYC01-BC01 6. 18. 8.7 one.fifteen 22.5 forty five. .80
HYC01-BC02 seven. 21.5 10.5 1.fifty seven thirty.8 61.six 1.08
HYC01-BC03 eight. 24. 12. two.05 40.three eighty.6 1.43
HYC01-BC04 10. thirty. 14.5 3.2 63. 126. 2.22
HYC01-BC05 thirteen. 39. 19. five.four 107. 214. three.74
HYC01-BC06 16. forty nine. 23. eight.three 161. 322. five.58

 
 
 

Detailed Images

Packaging & Delivery

Set up Recommendations

 

Our Edge:
1. 
We have far more than 18 several years encounter in anchor chain / mooring chain / steel mooring buoy / steel welded Anchor and equipment creation and product sales, and are the biggest Producer in China.
2. For Anchor chain from 2014 to 2016 our product sales is the NO. 1 in throughout the world.
3. Our manufacturing facility is ISO9001 approval, OSHMS18001 approval, ISO14001 approval, API approval and kind approval by all IACS members.
four. With superb product good quality and superior provider CZPT has been the appointed provider of Chinese Navy.
 

US $10
/ Meter
|
500 Meters

(Min. Order)

###

Usage: Drag Chain
Material: Alloy/Carbon Steel
Color: Solid Color
Grade: 80
Leaf Chains Type: Lifting Ring Chain
Material Feature: Heat Resistant

###

Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

G80 BLACK CHAIN
 

 

LINK SPECIFICATION W.L.L PROOF TEST BREAKING LOAD WEIGHT
ART.NO D L I
     mm   mm mm ton KN KN kg/m
HYC01-BC01 6.0 18.0 8.7 1.15 22.5 45.0 0.80
HYC01-BC02 7.0 21.5 10.5 1.57 30.8 61.6 1.08
HYC01-BC03 8.0 24.0 12.0 2.05 40.3 80.6 1.43
HYC01-BC04 10.0 30.0 14.5 3.2 63.0 126.0 2.22
HYC01-BC05 13.0 39.0 19.0 5.4 107.0 214.0 3.74
HYC01-BC06 16.0 49.0 23.0 8.3 161.0 322.0 5.58
US $10
/ Meter
|
500 Meters

(Min. Order)

###

Usage: Drag Chain
Material: Alloy/Carbon Steel
Color: Solid Color
Grade: 80
Leaf Chains Type: Lifting Ring Chain
Material Feature: Heat Resistant

###

Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

G80 BLACK CHAIN
 

 

LINK SPECIFICATION W.L.L PROOF TEST BREAKING LOAD WEIGHT
ART.NO D L I
     mm   mm mm ton KN KN kg/m
HYC01-BC01 6.0 18.0 8.7 1.15 22.5 45.0 0.80
HYC01-BC02 7.0 21.5 10.5 1.57 30.8 61.6 1.08
HYC01-BC03 8.0 24.0 12.0 2.05 40.3 80.6 1.43
HYC01-BC04 10.0 30.0 14.5 3.2 63.0 126.0 2.22
HYC01-BC05 13.0 39.0 19.0 5.4 107.0 214.0 3.74
HYC01-BC06 16.0 49.0 23.0 8.3 161.0 322.0 5.58

What is a drive chain?

A drive chain is a wheeled device that transmits power from one gear to another. The drive chain is usually an oval ring around a corner or worm gear. On the other hand, idler pulleys do not transmit power and are not used to move the chain. In some cases, drive chains can be used with idler pulleys to transport objects. This allows the drive chain to recover some power from the second gear.

conveyor chain

There are many types of conveyor chains to choose from. One type is a closed joint chain. It consists of the barrel and connecting rod, made from a single casting and heat-treated for high strength and durability. Conveyor chains typically have low running speeds and are typically made of malleable iron. Another type of chain is the power transmission chain, which is used to transmit mechanical power. They feature efficient lubrication and are stronger than conventional conveyor chains.
Roller chain pitches can range from half an inch to a third of an inch. They are available in steel and nickel-plated steel. They can be used with inline or staggered rollers and can be designed with different pitch levels. They can also have bushings between the chainplates or gaps between the teeth to increase their maximum spacing. When choosing a conveyor chain, remember to properly lubricate bearing surfaces to minimize power absorption, wear, and corrosion. Mineral oils of medium viscosity are suitable for normal operating temperatures. SAE 20W50 is suitable. Manufacturers also offer self-lubricating chains.
Conveyor chains are used in many industries. The automotive industry has traditionally used these chains for bulk transport. Their reliability and low cost make them an excellent choice for a variety of applications. CZPT Chains offers stainless steel and CZPT conveyor chains to meet your unique requirements. If you're in the market for a new conveyor, don't forget to shop around. CZPT Chain can help you find the perfect one.
The regular drive version consists of an ASME/ANSI roller chain wrapped around a driven sprocket. It can also be configured for variable rpm. The gear ratio between the two parts determines the reduction or increase in speed. In some cases, solution chains can be used. Roller chains are more efficient. Then, there are solutions for both cases. There are many types of conveyor chains to choose from.
Conveyor chain pitch also plays an important role in performance. The smaller the pitch of the chain, the faster it spins. On the other hand, a smaller pitch will require more teeth on the sprocket, which means more links will be engaged during the movement. This smaller articulation angle also produces smoother motion. It also reduces vibration. Therefore, CZPT Chains can be trusted for a long time.
chain

roller chain

The performance of a drive chain depends on how well it is maintained and lubricated. Careful attention to detail is required when selecting a roller chain, which is one of the most important components in a drive chain. Its proper lubrication and assembly will significantly affect its wear life. Here are some important tips to follow when buying a roller chain:
The size of the drive chain should be selected according to the sprockets used. The large sprocket should have at least 25 teeth, and the small sprocket should have fewer teeth. The pitch of a drive chain is the contact angle between the chain and the sprocket. The smaller the sprocket, the smaller the contact angle of the two parts. Larger sprockets are better, but smaller sprockets must never have fewer teeth.
When purchasing a roller chain, be sure to consider the maximum speed of the small sprocket. This will determine how much lubrication you need. Different lubrication systems have different requirements. Manual lubrication limits how many feet per minute the drive chain can run, while oil bath lubrication can get you up to 1100 ft/min. The only way to maximize drive chain speed is to purchase a pump lubrication system.
Once you have the right length, you can determine if you need a new one. To do this you have to move the axis to measure the length. Once the length is determined, the drive chain should be removed from the sprocket and measured using the ANSI specified measuring load. You should also follow safety guidelines when measuring your chain. If you want to maximize the life of your drive chain, be sure to follow these tips.
Another important consideration is the type of environment you operate in. For applications that need to avoid rubbing steel rails, it is best to use a roller chain that can withstand a clean indoor environment. Although roller chains are generally more durable, they must be stored properly to avoid corrosion. If you care about the environment, consider opting for double chain. Its durability and low maintenance costs will make it a valuable investment in your business.

closed pivot

Closed-end pivot drive chains are used in a variety of applications. They are known for their durability, high strength, and long life. They are available in a variety of grades, including grade 400, grade 600, and grade 800 pivots, which can withstand the high forces required for certain applications. Enclosed pivot chains can be used to lift, pull, convey and transfer heavy loads.
Class 400 closed-end pivot chain features one-piece cast offset link construction. Steel pins connect each link and are prevented from rotating by head stops. This design allows the pin to connect inside the barrel without breaking. This type of chain is the most commonly used and has the highest durability. In addition to being extremely durable, it offers long-lasting performance and smooth operation.
Another closed-end pivot conveyor chain drive is called a power drive chain. These chains consist of barrels and links used to transmit rotation from one shaft to another. The barrels of the closed-end pivot chains are made of steel, which allows them to run easily on the sprockets. Block drive chains are used for low-speed applications, but they can be noisy when the chain is in contact with the sprockets.
The enclosed pivot drive chain has rollers on both ends to minimize wear. These chains are usually made of steel and can be used in areas where high-speed power transmission is required. They are also available in heavy-duty versions. Unlike other types of chains, steel pivot chains are designed for a variety of applications. They are suitable for heavy-duty applications and their open barrel design allows for minimal contact with the pins in the barrel and the root of the sprocket.
chain

Linear chain

CZPT is an important part of linear drive technology. This type of chain is capable of delivering real power in tight spaces. Typically, loads are moved by pulling or pushing. CZPT can perform both types of movements. They can push and pull additional loads. This type of chain can also be wound and stored in the magazine. It is a popular choice for small machine tools and many other uses.
Unlike traditional mechanical chains, CZPT uses a push-pull strategy to move heavy objects. It is a rigid locking design that prevents kinking and allows the chain to transmit force without bending. The CZPT is an excellent choice for moving large loads and is particularly versatile in power transmission. However, CZPT is more expensive than traditional drive chain options.
The service life of a linear chain depends on its design, material type and size. You may want to buy a good quality chain, but it's not necessary in all cases. While superior quality can extend the life of the chain, it may not be necessary for low-speed drives or very light shock loads. If you're not dealing with high-velocity shock loads, you probably don't need features like oil reservoirs or bushing grooves.
The size of the drive sprocket can have a major impact on the overall life of the linear chain. It determines how fast the chain can go and how much horsepower it can produce. An 11-tooth chain will hit about half its rated speed, but only about 30 percent of its rated horsepower. You can extend the life of your linear chain by choosing a drive sprocket with a higher number of teeth. It is best to choose a drive sprocket with a high number of teeth, but make sure the number of teeth is even. This will ensure that your chain wear is evenly distributed.

China Grade U1 U2 U3 24mm 42mm Stainless Steel Studless Link Marine Anchor Chain for Ship     roller chainChina Grade U1 U2 U3 24mm 42mm Stainless Steel Studless Link Marine Anchor Chain for Ship     roller chain
editor by czh 2023-01-29

China Standard 11mm To 162mm AM1/AM2/AM3 Stud Link Marine Welded Steel Anchor Chain Cable With Certificates bush chain vs roller chain

Component: welded chain
Solution: Stud url maritime anchor chain
Design no.: AC-01
Material: Carbon metal, alloy steel or other folks
Framework: Welded chain
Grade: AM1,AM2,AM3
Certification: CCS, Stomach muscles, DNV, LR, NK and so forth
Chain diameter: 11mm-162mm
Length: normal 27.5m, or according to customers’ necessity
Floor: Black tarred, Scorching Dip Galvanized, self-colour
Standard: GB/T 549-2
Skype: hellen3661
World wide web: .cn
Mail: yuhaijuan at empiregroup.com.cn

Pin chain conveyor

The choice between roller chains and friction drives depends on the usage environment. Roller chains are more resistant to dirty environments and are more suitable for conveying bulk products. The pivot chain is designed to handle highly bulk products. Ideally, the center-to-center distance between the two axles should be thirty to fifty times the chain pitch. The size of the sprocket will depend on the usage environment, which will also determine the fatigue strength and resistance of the chain.

Roller chains are more resistant to dirty environments

There are some key differences between drive chains and roller chains. The most notable difference is in the materials. Drive chains are generally more durable than roller chains. However, both chains are prone to dirty environments. While solution chains are sometimes used for heavy-duty tasks, roller chains are often used in dirtier environments. In fact, drive chains are often used when the job is very dirty and the chain has to slide on the rails.
The new lubricant used on the roller chain attracts dirt and other debris to the surface of the chain and prevents lubricant from entering the load-carrying parts of the chain, such as hinge plates, bushings, and rollers. When dust is drawn into these components, lubricants, and dirt form an abrasive paste that accelerates wear.
Lube-free roller chains keep chains clean longer. This makes it easier to specify and install in areas with strict hygiene requirements. CZPT lube-free roller chains meet NSF-H1 lubrication standards. However, lubricated roller chains are still suitable for areas where food contact is unlikely.
Stainless steel roller chains are particularly resistant to acids, alkalis, and low-temperature environments. Since stainless steel is softer than carbon steel, lubricants are not as effective at preventing dirt from entering the chain. Stainless steel roller chains have a higher strength rating than standard chains, but are not as strong as chains made from carbon steel. If you are using a roller chain in a very dirty environment, you should use a stainless steel chain.
chain

A stud chain is more efficient than a friction drive

The present invention relates to a light-duty double-ended chain that is more efficient than conventional chains. Stud chains are made by die-forging bar steel into roughly the-shaped links. This method avoids loss of shear strength due to bending and also minimizes the welded portion. The double-headed chain is light in weight and has strong resistance to fatigue damage.
This chain type has a stud-style design. Stud-shaped design provides greater tensile strength and prevents tangling. Each stud is formed by die forging and is usually shaped like an e or th. However, it is not necessary for each stud to have a uniform cross-sectional shape. Different cross-sectional shapes can be used depending on the application.
Stud chains are more efficient than friction drives because the studs in the chain are integrated. Stud links resist large breaks. Its applications are in conveyor chains and fisheries. Wear tested on boat chains made of SBC material. In the process, bolt chains were found to be more efficient than friction drives. Its applications are rapidly expanding.
Double-ended chains are more efficient for high-load applications. It features studs throughout its internal width to prevent kinking. Chains of this type are commonly used for heavy lifting machinery. Other types of chains are roller chains, power transmission chains, and bushing roller chains. These types of chains are also widely used in motorcycle, bicycle and transportation applications. In addition to being more efficient, stud chains also have fewer wear problems than friction drive chains.
A study on the difference between wear percentage and friction time showed that stud chains are more efficient than friction drives. The friction strips were measured at the beginning of the test. Take it off after 6 hours, 10080 times, and take pictures with the same diameter. As a boundary value, the diameter of the friction strip is smaller than that of a conventional chain. This shows that the present invention has better wear resistance than friction drives.
chain

Shaft chains designed for conveying bulk products

Pivot chains are versatile conveyors used in many applications. Low back type, small backrest distance, rear opening design to prevent the product from sticking to the joints and causing stiffness. Stainless steel and carbon bushing pin chains do not have pre-rotating rollers. In contrast, bucket elevators do not use pivot chains.
CZPT pin chains provide unmatched performance in agricultural and industrial machinery. They are constructed from a single cast barrel and are connected by hardened steel pins. CZPT's steel pivot chains are strong enough to withstand the corrosive environments of agricultural and industrial applications. The steel pins in the CZPT Pintle Chain are hardened and riveted to ensure long-term durability and optimum performance.
Lifeguard chains feature patented interlocking side links that reduce gaps between adjacent side panels. They can withstand a variety of applications and will never break under pressure. These chains are available in 1/2'' and 1'' pitch configurations. CZPT combines both types of pin chains to achieve the best of both worlds. CZPT features dual pin chains and pin joints to increase chain durability and reduce maintenance hassles.
CZPT's engineering team can custom design pivot chains for your specific application. Designed for specific speed, friction, temperature and wear requirements, these chains are ideal for a variety of applications. Headquartered in Milwaukee, Wisconsin, the company operates on two strategic platforms: Food and Beverage and Industrial Applications. The products of these companies are used in food, energy and manufacturing.

China Standard 11mm To 162mm AM1/AM2/AM3 Stud Link Marine Welded Steel Anchor Chain Cable With Certificates     bush chain vs roller chainChina Standard 11mm To 162mm AM1/AM2/AM3 Stud Link Marine Welded Steel Anchor Chain Cable With Certificates     bush chain vs roller chain
editor by czh