January 6, 2021

Normally, conveyor chains are operated for longer distances and at decrease speeds than transmission chains. Accordingly, even though the pins, bushings and rollers are left unchanged, along with the plate pitch is doubled to reduce the number of sprocket teeth engaged using the chain to half, the wear of pins, bushings and rollers is smaller because the chain velocity is very low. Double Pitch Chains, conform to ANSI conventional and “Ultimate Lifestyle 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 fat in contrast with steel rollers. So, the chain is ideal for a conveyor technique created to operate quietly and convey light-weight articles. Because the parts other than rollers are manufactured from steel, the common tensile strength of the resin roller chain would be the similar as that of a steel roller chain. Nonetheless, the “maximum allowable load” of your chain should be kept decrease, as shown during the following table, to prevent injury to the plastic rollers through the strain through the engagement with sprockets.
The “Allowable load of resin rollers” refers to the allowable load acting when conveyed articles or blog posts press the resin rollers traveling around the floor surface this kind of as guid rails.
Large roller (R) and little rollers (S)
Because double pitch chains are often applied for conveying products on a horizontal floor, chains developed for this objective have greater roller diameter equal to that of single pitch chains with the exact same pitch for elevated load capability and lower traveling resistance. These rollers with bigger outer diameter are named “large rollers”, as well as the regular rollers are termed “small rollers”.
On this catalog, significant rollers are expressed as R Roller, and compact rollers as S Roller.
Designation of double pitch chains
A double pitch chain is designated, as from the following illustration, dependant on the nominal quantity of the single pitch chain it can be based upon.
Connecting links
For that connecting back links 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 website link) is normal. For C2080H or bigger, the cotter type (C connecting website link) is regular. Connecting links with an attachment, major roller or side roller are also accessible.