Double pitch chain

Usually, conveyor chains are operated for longer distances and at reduce speeds than transmission chains. Accordingly, though the pins, bushings and rollers are left unchanged, along with the plate pitch is doubled to reduce the quantity of sprocket teeth engaged with the chain to half, the put on of pins, bushings and rollers is compact since the chain speed is reduced. Double Pitch Chains, conform to ANSI conventional and “Ultimate Life Chain Series” and “Environment Resistant Chain Series”, as are single pitch chains can also be offered.
Double pitch chain with resin rollers
This is a Double Pitch Chain with R Roller made from resin, which generates much less noise and lighter weight compared with steel rollers. Thus, the chain is appropriate for any conveyor program built to operate quietly and convey light-weight articles. Since the elements other than rollers are made from steel, the average tensile strength of a resin roller chain may be the very same as that of the steel roller chain. Nevertheless, the “maximum allowable load” in the chain needs to be stored lower, as proven while in the following table, to stop damage towards the plastic rollers through the strain from your engagement with sprockets.
The “Allowable load of resin rollers” refers towards the allowable load acting when conveyed articles press the resin rollers traveling on the floor surface such as guid rails.
Big roller (R) and compact rollers (S)
Since double pitch chains are often utilised for conveying products on a horizontal floor, chains developed for this purpose have increased roller diameter equal to that of single pitch chains of the identical pitch for increased load capability and reduced traveling resistance. These rollers with bigger outer diameter are called “large rollers”, as well as the normal rollers are called “small rollers”.
Within this catalog, massive rollers are expressed as R Roller, and little rollers as S Roller.
Designation of double pitch chains
A double pitch chain is designated, as within the following illustration, dependant on the nominal quantity of the single pitch chain it truly is dependant on.
Connecting hyperlinks
For that connecting hyperlinks of double pitch chains of all sizes, the connecting plates and connecting pins are clearance-fitted. For C2060H or smaller sized, the spring clip kind (R connecting hyperlink) is regular. For C2080H or larger, the cotter type (C connecting hyperlink) is normal. Connecting back links with an attachment, best roller or side roller may also be readily available.


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