China supplier Double Pitch Conveyor Chain Attachments K1 Sk1 near me shop

Merchandise Description


Chain No.
Chain No.
P G F1 W h 4 d 4 C F 2 d 5
mm mm mm mm mm mm mm mm mm
208A 2040 twenty five.forty 19.1 25.four 39.six 3.4 eleven.1 twenty.five 5.five
210A 2050 31.75 23.8 31.8 49. five.5 fourteen.3 25. six.6
212A 2060 38.10 28.six forty two.nine 67.8 5.5 seventeen.5 32.9 9.2
216A 2080 50.eighty 38.1 fifty five.6 87.8 19.1 six.eight 22.2 forty three.five 11.
220A 2100 63.50 forty seven.six 66.six 107.five 23.4 9.2 28.six 50.4 thirteen.
224A 2120 seventy six.twenty 57.2 79.three 121.4 27.eight ten.5 33.three 55.five 15.
208B   25.forty 23.2 25.four 39.six four.five eleven.1 20.5 five.five
210B   31.75 23.eight 31.8 49. 11.1 five.5      
212B   38.10 35. fifty seven. 6.six      
216B   50.80 forty four. 50.8 eighty four. six.six      
220B   63.fifty fifty two. 63.5 104. 23.4 8.four      
224B   seventy six.20 sixty. 76.2 one hundred twenty. 27.8 10.five      

The impact of use on a roller chain is to increase the pitch (spacing of the hyperlinks), leading to the chain to expand lengthier. Note that this is due to use at the pivoting pins and bushes, not from real stretching of the steel (as does take place to some adaptable metal elements this sort of as the hand-brake cable of a motor motor vehicle).

With CZPT chains it is abnormal for a chain (other than that of a bicycle) to use until finally it breaks, considering that a worn chain qualified prospects to the speedy onset of dress in on the enamel of the sprockets, with ultimate failure being the decline of all the tooth on the sprocket. The sprockets (in certain the scaled-down of the two) endure a grinding movement that places a characteristic hook shape into the pushed face of the teeth. (This influence is made worse by a chain improperly tensioned, but is unavoidable no subject what treatment is taken). The worn teeth (and chain) no more time provides smooth transmission of electrical power and this may become apparent from the noise, the vibration or (in car engines utilizing a timing chain) the variation in ignition timing seen with a timing light. Each sprockets and chain need to be changed in these circumstances, since a new chain on worn sprockets will not previous extended. Nonetheless, in much less serious cases it may be attainable to help save the bigger of the 2 sprockets, given that it is always the smaller 1 that suffers the most wear. Only in very mild-bodyweight apps these kinds of as a bicycle, or in severe cases of poor rigidity, will the chain typically jump off the sprockets.

The lengthening thanks to wear of a chain is calculated by the adhering to formulation:

M = the size of a number of links calculated

S = the number of backlinks measured

P = Pitch

In industry, it is common to keep an eye on the motion of the chain tensioner (whether or not handbook or automatic) or the exact duration of a drive chain (one rule of thumb is to substitute a roller chain which has elongated 3% on an adjustable travel or 1.5% on a fixed-centre generate). A simpler strategy, especially suited for the cycle or motorbike person, is to try to pull the chain away from the more substantial of the 2 sprockets, while making sure the chain is taut. Any important motion (e.g. making it feasible to see through a gap) probably suggests a chain worn up to and outside of the restrict. Sprocket harm will end result if the dilemma is overlooked. Sprocket wear cancels this result, and may mask chain use.


The light-weight chain of a bicycle with derailleur gears can snap (or relatively, appear apart at the aspect-plates, given that it is typical for the “riveting” to fall short very first) since the pins inside of are not cylindrical, they are barrel-shaped. Contact in between the pin and the bushing is not the typical line, but a point which allows the chain’s pins to work its way by way of the bushing, and finally the roller, in the end leading to the chain to snap. This type of development is essential since the equipment-modifying motion of this sort of transmission needs the chain to equally bend sideways and to twist, but this can take place with the flexibility of these kinds of a narrow chain and fairly big cost-free lengths on a bicycle.

Chain failure is much less of a problem on hub-geared systems (e.g. Bendix 2-pace, Sturmey-Archer AW) given that the parallel pins have a much greater putting on surface area in get in touch with with the bush. The hub-equipment program also enables complete enclosure, a great help to lubrication and security from grit.

CHAIN Strength

The most common measure of roller chain’s toughness is tensile toughness. Tensile energy signifies how significantly load a chain can face up to underneath a one-time load just before breaking. Just as important as tensile energy is a chain’s fatigue toughness. The crucial elements in a chain’s tiredness energy is the good quality of steel utilised to CZPT the chain, the heat treatment method of the chain factors, the good quality of the pitch gap fabrication of the linkplates, and the sort of shot additionally the intensity of shot peen coverage on the linkplates. Other aspects can consist of the thickness of the linkplates and the design (contour) of the linkplates. The rule of thumb for roller chain operating on a continuous travel is for the chain load to not CZPT a mere 1/6 or 1/9 of the chain’s tensile toughness, dependent on the kind of grasp hyperlinks employed (press-in shape vs. slip-in shape)[quotation required]. Roller chains working on a continuous generate outside of these thresholds can and generally do are unsuccessful prematurely by means of linkplate tiredness failure.

The regular least greatest strength of the ANSI 29.1 steel chain is twelve,five hundred x (pitch, in inches)two. X-ring and O-Ring chains drastically reduce wear by implies of inner lubricants, increasing chain daily life. The internal lubrication is inserted by indicates of a vacuum when riveting the chain jointly.


Specifications organizations (this sort of as ANSI and ISO) sustain specifications for design, dimensions, and interchangeability of transmission chains. For instance, the adhering to Desk exhibits knowledge from ANSI standard B29.1-2011 (Precision Power Transmission Roller Chains, Attachments, and Sprockets) produced by the American Society of Mechanical Engineers (ASME). See the references[8][9][10] for further info.

ASME/ANSI B29.1-2011 Roller Chain Standard SizesSizePitchMaximum Roller DiameterMinimum Greatest Tensile StrengthMeasuring Load25

ASME/ANSI B29.1-2011 Roller Chain Regular Measurements
Dimensions Pitch Greatest Roller Diameter Least Ultimate Tensile Strength Measuring Load
25 .250 in (6.35 mm) .a hundred thirty in (3.30 mm) 780 lb (350 kg) eighteen lb (8.2 kg)
35 .375 in (9.53 mm) .200 in (5.08 mm) one,760 lb (800 kg) 18 lb (8.2 kg)
41 .five hundred in (12.70 mm) .306 in (7.seventy seven mm) 1,five hundred lb (680 kg) eighteen lb (8.2 kg)
40 .500 in (twelve.70 mm) .312 in (7.ninety two mm) 3,a hundred twenty five lb (1,417 kg) 31 lb (fourteen kg)
50 .625 in (fifteen.88 mm) .four hundred in (10.16 mm) four,880 lb (2,210 kg) forty nine lb (22 kg)
60 .750 in (19.05 mm) .469 in (11.ninety one mm) 7,030 lb (3,one hundred ninety kg) 70 lb (32 kg)
80 1.000 in (25.forty mm) .625 in (15.88 mm) 12,five hundred lb (5,seven-hundred kg) one hundred twenty five lb (57 kg)
one hundred 1.250 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.ten mm) .875 in (22.23 mm) 28,one hundred twenty five lb (twelve,757 kg) 281 lb (127 kg)
one hundred forty one.750 in (44.forty five mm) 1.000 in (twenty five.forty mm) 38,280 lb (seventeen,360 kg) 383 lb (174 kg)
a hundred and sixty 2.000 in (50.eighty mm) hundred twenty five in (28.fifty eight mm) 50,000 lb (23,000 kg) 500 lb (230 kg)
180 two.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 two.500 in (sixty three.50 mm) one.562 in (39.67 mm) seventy eight,a hundred seventy five lb (35,460 kg) 781 lb (354 kg)
240 3.000 in (seventy six.twenty mm) 1.875 in (forty seven.63 mm) 112,five hundred lb (51,000 kg) 1,000 lb (450 kg

For mnemonic reasons, below is another presentation of important proportions from the exact same regular, expressed in fractions of an inch (which was portion of the contemplating powering the decision of chosen quantities in the ANSI standard):

Pitch (inches) Pitch expressed
in eighths
ANSI standard
chain quantity
Width (inches)
14 twoeight two5 1eight
3eight three8 three5 three16
12 4eight four1 14
12 foureight 4 5sixteen
fiveeight five8 five 3eight
34 sixeight 6 one2
one 88 8 5eight

1. The pitch is the distance between roller facilities. The width is the distance between the url plates (i.e. slightly more than the roller width to let for clearance).
two. The right-hand digit of the regular denotes 0 = standard chain, 1 = lightweight chain, 5 = rollerless bushing chain.
three. The still left-hand digit denotes the amount of eighths of an inch that make up the pitch.
4. An “H” adhering to the normal number denotes heavyweight chain. A hyphenated number adhering to the standard variety denotes double-strand (2), triple-strand (3), and so on. Thus 60H-3 denotes quantity sixty heavyweight triple-strand chain.
 A normal bicycle chain (for derailleur gears) makes use of slim 1⁄2-inch-pitch chain. The width of the chain is variable, and does not affect the load capacity. The more sprockets at the rear wheel (historically 3-6, presently 7-12 sprockets), the narrower the chain. Chains are offered in accordance to the quantity of speeds they are created to function with, for case in point, “ten velocity chain”. Hub equipment or single speed bicycles use 1/2″ x 1/8″ chains, the place 1/8″ refers to the optimum thickness of a sprocket that can be utilised with the chain.

Typically chains with parallel shaped back links have an even number of links, with every single slim link adopted by a broad 1.Chains developed up with a uniform type of url, slender at 1 and wide at the other end, can be manufactured with an odd amount of hyperlinks, which can be an benefit to adapt to a special chainwheel-length on the other facet this sort of a chain tends to be not so powerful.

Roller chains produced employing ISO normal are often referred to as as isochains.

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The 219 sets of innovative automatic generation tools offer assures for higher solution top quality. The 167 engineers and experts with senior skilled titles can style and produce merchandise to meet up with the exact needs of consumers, and OEM customizations are also available with us. Our seem international support network can supply buyers with well timed right after-product sales technical solutions.

We are not just a manufacturer and supplier, but also an market specialist. We operate pro-actively with you to supply professional guidance and item tips in get to end up with a most price effective item accessible for your distinct application. The clientele we provide around the world range from end end users to distributors and OEMs. Our OEM replacements can be substituted where ever essential and ideal for the two fix and new assemblies.


This type of chain is utilized in the initial levels of electricity transmission advancement. When the sprocket moves closer to or away from the tooth, noise is created as the enamel rub against the connecting rod. These types of chains are utilized to some extent for lower-speed conveyor chains.
Here are some rewards of chain drives above belt and equipment drives: They can be used for lengthy and limited distances. Several axles, are driven by chains. They are compact and have a small general dimension, so even in the celebration of a fire, you is not going to expertise any negative troubles. Temperature and ambient conditions do not impact its procedure. Chain drives do not need first rigidity. They are quite effective (up to ninety six%) and have no slip and creep in the course of transmission, making sure a excellent gear ratio. Chain drive, straightforward to set up. Chain drives are lower servicing, stand up to abrasive circumstances and function in moist circumstances

China supplier Double Pitch Conveyor Chain Attachments K1 Sk1     near me shop

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