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China Professional Double Pitch Conveyor Chain Attachments A1 A2 K1 K2 with Best Sales

Product Description

Chain No.
Chain No.
P G L F W h4 dfour
mm mm mm mm mm mm mm
C208A C2040 25.forty 19.1 9.5 25.four 39.6 9.one 3.four
C208AL C2042
C208B   25.40 23.2 12.seven 25.four 39.6 9.1 4.5
C210A C2050 31.seventy five 23.eight 11.nine 31.8 49. 11.one 5.five
C210AL C2052
C212A C2060 38.ten 28.6 14.3 42.9 67.eight 14.seven 5.five
C212AL C2062
C212AH C2060H 38.10 28.6 14.3 42.9 67.eight 14.seven 5.5
C212AHL C2062H
C216A C2080 50.eighty 38.1 19.1 55.6 87.8 19.1 6.eight
C216AL C2082
C216AH C2080H 50.eighty 38.1 19.one 55.six 87.8 19.1 6.8
C216AHL C2082H
C220A C2100 63.50 47.six 23.eight 66.six 107.five 23.four 9.two
C220AL C2102
C220AH C2100H 63.fifty 47.six 23.8 66.6 107.five 23.4 9.two
C220AHL C2102H
C224A C2120 76.20 57.two 28.six 79.3 121.four 27.eight 11.
C224AL C2122
C224AH C2120H 76.20 57.two 28.6 79.3 121.four 27.eight 11.
C224AHL C2122H
C232A C2160 101.sixty 76.2 38.1 104.7 151.6 36.5 13.1
C232AL C2162
C232AH C2160H 101.sixty 76.2 38.1 104.seven 151.six 36.five 13.1
C232AHL C2162H

The impact of dress in on a roller chain is to enhance the pitch (spacing of the hyperlinks), creating the chain to expand more time. Be aware that this is due to put on at the pivoting pins and bushes, not from true stretching of the metallic (as does come about to some flexible steel parts this sort of as the hand-brake cable of a motor automobile).

With CZPT chains it is strange for a chain (other than that of a bicycle) to wear until it breaks, since a worn chain leads to the speedy onset of wear on the teeth of the sprockets, with supreme failure currently being the reduction of all the enamel on the sprocket. The sprockets (in particular the scaled-down of the two) undergo a grinding movement that places a characteristic hook condition into the driven experience of the teeth. (This impact is created worse by a chain improperly tensioned, but is unavoidable no make a difference what treatment is taken). The worn teeth (and chain) no longer supplies sleek transmission of electrical power and this could grow to be apparent from the noise, the vibration or (in automobile engines employing a timing chain) the variation in ignition timing observed with a timing mild. Both sprockets and chain must be replaced in these instances, considering that a new chain on worn sprockets will not last prolonged. Even so, in less serious situations it may be attainable to preserve the larger of the 2 sprockets, given that it is constantly the more compact 1 that suffers the most dress in. Only in quite mild-weight applications such as a bicycle, or in excessive cases of improper rigidity, will the chain generally bounce off the sprockets.

The lengthening owing to use of a chain is calculated by the adhering to system:

M = the length of a number of hyperlinks calculated

S = the amount of back links measured

P = Pitch

In business, it is normal to keep track of the motion of the chain tensioner (regardless of whether manual or automated) or the exact length of a drive chain (1 rule of thumb is to change a roller chain which has elongated 3% on an adjustable travel or 1.5% on a fixed-centre drive). A simpler approach, notably suitable for the cycle or bike consumer, is to attempt to pull the chain away from the bigger of the 2 sprockets, although making certain the chain is taut. Any important motion (e.g. producing it achievable to see via a gap) possibly indicates a chain worn up to and outside of the restrict. Sprocket hurt will consequence if the problem is ignored. Sprocket wear cancels this impact, and could mask chain wear.


The lightweight chain of a bicycle with derailleur gears can snap (or fairly, arrive aside at the side-plates, because it is typical for the “riveting” to fall short very first) simply because the pins inside of are not cylindrical, they are barrel-shaped. Make contact with among the pin and the bushing is not the standard line, but a point which enables the chain’s pins to work its way by means of the bushing, and finally the roller, in the end triggering the chain to snap. This sort of design is necessary due to the fact the gear-altering action of this sort of transmission requires the chain to the two bend sideways and to twist, but this can occur with the flexibility of this sort of a narrow chain and reasonably big free of charge lengths on a bicycle.

Chain failure is a lot considerably less of a problem on hub-geared programs (e.g. Bendix 2-pace, Sturmey-Archer AW) given that the parallel pins have a much greater putting on area in speak to with the bush. The hub-equipment system also makes it possible for comprehensive enclosure, a great aid to lubrication and security from grit.

CHAIN Strength

The most widespread measure of roller chain’s power is tensile energy. Tensile toughness signifies how significantly load a chain can endure underneath a one-time load just before breaking. Just as important as tensile strength is a chain’s tiredness toughness. The vital aspects in a chain’s fatigue toughness is the good quality of metal utilised to manufacture the chain, the warmth therapy of the chain elements, the quality of the pitch gap fabrication of the linkplates, and the type of shot additionally the intensity of shot peen coverage on the linkplates. Other aspects can include the thickness of the linkplates and the layout (contour) of the linkplates. The rule of thumb for roller chain operating on a continuous generate is for the chain load to not CZPT a mere 1/6 or 1/9 of the chain’s tensile energy, dependent on the kind of master hyperlinks utilized (press-suit vs. slip-in shape)[citation needed]. Roller chains operating on a continuous push over and above these thresholds can and normally do fail prematurely through linkplate tiredness failure.

The standard least ultimate strength of the ANSI 29.1 steel chain is twelve,500 x (pitch, in inches)2. X-ring and O-Ring chains significantly lessen use by means of interior lubricants, rising chain lifestyle. The inner lubrication is inserted by implies of a vacuum when riveting the chain together.


Specifications companies (such as ANSI and ISO) keep expectations for design and style, proportions, and interchangeability of transmission chains. For case in point, the adhering to Table exhibits knowledge from ANSI standard B29.1-2011 (Precision Power Transmission Roller Chains, Attachments, and Sprockets) developed by the American Society of Mechanical Engineers (ASME). See the references[8][9][ten] for further information.

ASME/ANSI B29.1-2011 Roller Chain Common SizesSizePitchMaximum Roller DiameterMinimum Supreme Tensile StrengthMeasuring Load25

ASME/ANSI B29.1-2011 Roller Chain Normal Measurements
Measurement Pitch Greatest Roller Diameter Least Greatest Tensile Strength Measuring Load
twenty five .250 in (6.35 mm) .130 in (3.30 mm) 780 lb (350 kg) 18 lb (8.2 kg)
35 .375 in (9.fifty three mm) .two hundred in (5.08 mm) one,760 lb (800 kg) eighteen lb (8.2 kg)
forty one .500 in (12.70 mm) .306 in (7.77 mm) one,five hundred lb (680 kg) 18 lb (8.2 kg)
40 .500 in (twelve.70 mm) .312 in (7.ninety two mm) three,one hundred twenty five lb (1,417 kg) 31 lb (fourteen kg)
50 .625 in (15.88 mm) .four hundred in (ten.16 mm) four,880 lb (2,210 kg) 49 lb (22 kg)
60 .750 in (19.05 mm) .469 in (eleven.ninety one mm) seven,030 lb (3,190 kg) 70 lb (32 kg)
eighty 1.000 in (25.forty mm) .625 in (15.88 mm) twelve,five hundred lb (5,700 kg) 125 lb (fifty seven kg)
one hundred one.250 in (31.75 mm) .750 in (19.05 mm) 19,531 lb (8,859 kg) 195 lb (88 kg)
a hundred and twenty one.500 in (38.10 mm) .875 in (22.23 mm) 28,125 lb (12,757 kg) 281 lb (127 kg)
a hundred and forty 1.750 in (forty four.forty five mm) one.000 in (twenty five.forty mm) 38,280 lb (seventeen,360 kg) 383 lb (174 kg)
160 2.000 in (50.80 mm) one.a hundred twenty five in (28.fifty eight mm) fifty,000 lb (23,000 kg) 500 lb (230 kg)
180 2.250 in (fifty seven.fifteen mm) 1.460 in (37.08 mm) sixty three,280 lb (28,seven hundred kg) 633 lb (287 kg)
200 2.five hundred in (sixty three.50 mm) one.562 in (39.sixty seven mm) seventy eight,a hundred seventy five lb (35,460 kg) 781 lb (354 kg)
240 3.000 in (seventy six.20 mm) one.875 in (47.63 mm) 112,five hundred lb (51,000 kg) 1,000 lb (450 kg

For mnemonic purposes, below is another presentation of key proportions from the exact same standard, expressed in fractions of an inch (which was portion of the considering powering the choice of chosen quantities in the ANSI standard):

Pitch (inches) Pitch expressed
in eighths
ANSI standard
chain number
Width (inches)
14 28 twofive 1eight
threeeight threeeight three5 three16
12 foureight four1 one4
1two 48 four 5sixteen
five8 fiveeight five 38
three4 6eight 6 onetwo
one eighteight 8 fiveeight

one. The pitch is the length amongst roller centers. The width is the length between the url plates (i.e. slightly much more than the roller width to enable for clearance).
two. The right-hand digit of the normal denotes 0 = regular chain, 1 = lightweight chain, 5 = rollerless bushing chain.
3. The left-hand digit denotes the quantity of eighths of an inch that make up the pitch.
4. An “H” pursuing the normal number denotes heavyweight chain. A hyphenated variety following the normal number denotes double-strand (2), triple-strand (3), and so on. As a result 60H-3 denotes variety sixty heavyweight triple-strand chain.
 A standard bicycle chain (for derailleur gears) makes use of slender 1⁄2-inch-pitch chain. The width of the chain is variable, and does not have an effect on the load capability. The a lot more sprockets at the rear wheel (traditionally 3-6, today 7-12 sprockets), the narrower the chain. Chains are marketed in accordance to the quantity of speeds they are made to work with, for example, “10 velocity chain”. Hub equipment or one speed bicycles use 1/2″ x 1/8″ chains, where 1/8″ refers to the optimum thickness of a sprocket that can be employed with the chain.

Typically chains with parallel formed back links have an even quantity of back links, with every single narrow url adopted by a broad a single. Chains created up with a uniform variety of link, narrow at 1 and wide at the other end, can be created with an odd number of back links, which can be an gain to adapt to a special chainwheel-distance on the other facet such a chain tends to be not so sturdy.

Roller chains produced utilizing ISO standard are often named as isochains.

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7.     Efficient Right after-Sale Services Technique


The 219 sets of sophisticated automated creation equipment supply ensures for higher solution high quality. The 167 engineers and professionals with senior professional titles can style and produce merchandise to meet the specific needs of consumers, and OEM customizations are also accessible with us. Our audio global service community can provide consumers with well timed right after-sales specialized solutions.

We are not just a maker and supplier, but also an market advisor. We function pro-actively with you to supply expert tips and product tips in purchase to finish up with a most price powerful merchandise accessible for your distinct application. The clientele we serve worldwide selection from conclude users to distributors and OEMs. Our OEM replacements can be substituted where ever essential and suited for both fix and new assemblies.

Roller Chain Servicing Ideas

There are several items to maintain in brain when maintaining a roller chain. The primary causes consist of friction and external influences. Without having suitable lubrication and adjustment, these kinds of chains will wear prematurely. Below are some ideas for maintaining your roller chain in prime form. proceed reading through! This will make your process easier. We will also discuss the expense of the new roller chain. As always, remember to check out for loose finishes and modify the chain often.


Roller chains are made to accommodate numerous various types of masses. Sprockets are the major result in of chain wear. Axial and angular misalignment takes place when the sprocket faces are not appropriately aligned. Both sorts of misalignment improve anxiety and put on on the roller chain. They can also negatively influence the generate. Consequently, choosing the right chain is an critical thing to consider.
Preloading aids to eradicate first elongation and increase provider lifestyle. The benefits of preloading can be observed in the preloading chart. Significant elongation takes place during drive startup with no or small preload. This is due to the floor hardness of the worn elements. On the other hand, a correctly preloaded chain displays little elongation for the duration of the first start off. For that reason, appropriate preload can extend use existence.
Even though elongation is a all-natural phenomenon in any travel, it can be minimized or eliminated with proper upkeep. In addition to typical inspections, you must do a complete inspection of your chain after the 1st hundred several hours. This inspection ought to focus on key life elements these kinds of as 3% elongation, how the chain is lubricated, and any other issues that could affect existence. A great top quality chain need to have the longest lifestyle and no problems.
There are numerous diverse roller chain technical specs. A excellent rule of thumb is to choose chains with at the very least five links. Then, tighten the chain till a crack takes place, and it will tell you what type of crack happened. Alternatively, you can use a roller chain with the optimum allowable load. As extended as the MAL will not exceed that variety, it is still flawlessly risk-free to use it for any software.


When it will come to lubrication, there are many different tactics. For example, spray lubrication is a well-liked method for large-horsepower drives and higher-load and quickly-relocating machines. This strategy is quite powerful, but it is pricey, and spraying the chain also considerably out of the guard can lead to leaks. Yet another common method is brush lubrication. Brush lubrication requires making use of a constant movement of oil to the chain, pushing it into the chain. This lubrication technique decreases the software temperature of the chain. Also, it can lengthen the existence of the chain, based on the manufacturer’s specs.
While the lubrication of roller chain couplings varies by software, sprocket hubs should be lubricated month-to-month to ensure suitable sealing. The sum of oil employed relies upon on the rotational velocity and the variety of roller chain coupling. In general, lubricants utilized in roller chain couplings should have superb adhesion, oxidation, and mechanical security.
Wear-resistant lubricants are advisable. They avoid the rollers from sticking to every other and avoid rusting. These lubricants have reduced surface area tension and are not damaging to steel or O-ring chains. The ideal lubrication strategy depends on ambient temperature, horsepower, and chain speed. Effectively lubricating a roller chain will increase the existence of the chain and lowers the threat of use.
Proper lubrication of the roller chain is crucial to avert corrosion and prolong its services life. The oil varieties a sleek movie on the chain factors, reducing metallic-to-metallic make contact with and reducing friction and dress in. Furthermore, the oil provides a smooth operating area and reduces sound. However, the running-in procedure of roller chain lubrication can not be underestimated. When utilizing hefty-obligation oils, make certain that the lubricant is suitable with functioning and ambient temperatures.


To extend the existence of your roller chain, you want to have out normal inspections. First, you ought to check the T-pin on the link plate at the joint. If they are not related properly, it can result in the chain to stretch and not sustain appropriate spacing and timing. Up coming, you should seem for abnormal noise, corrosion, and filth that may possibly indicate wear. If you discover any of these problems, it really is time to exchange the chain.
In order to properly sustain a roller chain, each places of the roller chain have to be lubricated with the appropriate lubricant. Lubricants used need to be SAE non-degreased oils. There are many kinds of lubricants available, but the greatest a single is a petroleum-based oil with a higher viscosity. You can also check for indications of dress in, such as red or brown discoloration. This implies that there is not sufficient lubrication.
Whilst the existence expectancy of a roller chain is unknown, it is important to know how to lengthen its existence and increase its efficiency. Poor stress and alignment can shorten its life and spot undue pressure on the drive method and the chain by itself. Incorrect stress can also direct to slippage and elevated strength output. Therefore, you need to calculate the stress and alignment of the chain during the original installation. Check and adjust often.
Another way to prolong the existence of your rollers is to extensively clear the inside of and outdoors of the rollers. You should also lubricate it regularly to prevent excessive warmth buildup. Designed to prevent overheating by limiting the quantity of function throughout crack-ins. In addition, normal inspections will help you capture anomalies early sufficient to quit operations. Last but not least, normal lubrication will lengthen the daily life of the roller chain.


Buying a roller chain is a big choice, but original expense shouldn’t be the only thought. The cost of the roller chain by itself, as properly as the working fees, need to be regarded. Even the least expensive-priced chains can be a lot more costly in the lengthy run. In addition, upkeep and vitality fees may possibly improve. The greatest roller chain for your business will be the 1 that greatest fits your needs. Shown beneath are some concerns to take into account when buying a roller chain.
Very first, what substance need to you use? Roller chains occur in several various resources. Stainless metal is a frequently utilised substance in building. Supplies are selected based on the price and design and style of chain horsepower transmission. Various production procedures will establish which material is suitable for your software. Also, the weight of the chain will vary relying on its pitch and the construction technique utilized. A large component of the cost of a roller chain is on the drive sprocket.
Yet another thing to consider is installation price. Roller chains are commonly utilised in agricultural and transportation applications, particularly for agronomic merchandise. If lubrication is your issue, routine maintenance-totally free chains are the ideal choice. Corrosion-resistant chains are perfect for soaked environments. They are marketed in boxed lengths, so changing a lengthier size calls for introducing a shorter duration. To stay away from difficulties, use the skateboard to help link the links.
Another thought is the general width. The overall width of an open up #40 roller chain may fluctuate but ought to be at minimum ten toes broad. Even though it is not the most high-priced type of roller chain, it will final longer. Making use of it correctly will increase its overall longevity, so it really is a excellent notion to choose it properly. If your enterprise utilizes roller chains routinely, the expense reduction is properly really worth it.


A roller chain is made up of a pair of alternating pins and roller backlinks. The pins are pressed into the side panels and hinged to the rollers. Roller chains can be single or multi-strand, linked by a widespread pin. The multi-strand design provides higher shear strength for demanding electrical power transmission programs. Common applications for roller chains include conveyors, hoists, and other mechanical equipment.
The horsepower capacity of a roller chain is minimal by several elements, which includes pin shock and friction. Even though analysis into these aspects has put some limitations on the optimum working pace of the roller chain, functional expertise has revealed that these systems can be utilized at increased speeds. Suitable lubrication and cooling can increase the toughness of these chains. In addition, roller chain programs incorporate:
Generate and conveyor systems are the two principal uses of roller chains. During driving functions, put on and elongation are a natural element of the operation. Even so, lubrication plays a crucial position in reducing use and shock loads. For that reason, dress in is inescapable and particular care have to be taken to guarantee appropriate lubrication. Moreover, lubrication decreases warmth dissipation in the chain.
The materials utilised to make roller chains range from one particular kind to an additional. Stainless metal is widespread, but nylon or brass are occasionally utilised. These resources are less expensive and more sturdy than steel or stainless metal. The greatest content for the occupation depends on a selection of factors, including expense, environmental circumstances, and design horsepower transmission. For illustration, the pin bushing contact area is a crucial spot requiring lubrication. Additionally, some coatings are made to retard the corrosive effects of water or oil.
China Professional Double Pitch Conveyor Chain Attachments A1 A2 K1 K2     with Best Sales