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January 14, 2021

Double Pitch roller chains are produced in accordance together with the ASME/ANSI B29.3 (Transmission Series) and B29.four (Conveyor Series) American roller chain specifications. Usually these chains are similar to ASME/ANSI regular goods except that the pitch is double. They can be out there in Transmission Series, Conveyor Series with Typical (tiny) Rollers and Conveyor Series with Large (oversized) Rollers.
Transmission Series
This series is often utilised on drives with slow to moderate speeds, reduced chain loads and lengthy center distances. Side plates possess a fi gure ?¡ã8?¡À contour. The chain number is obtained by adding 2000 to the ASME/ANSI chain variety as well as the prefi x letter ?¡ãA?¡À. Note that some corporations will not use a prefi x letter for this series so the chains might be represented as A2040, A2050 and so forth. or 2040, 2050 etc.
Conveyor Series with Standard (small) Rollers
This series is usually used on light to moderate load material dealing with conveyors with or without having attachment back links. The side plate contour is straight for improved sliding properties. Pitch sizes of 1-1/2?¡À and more substantial have ?¡ãHeavy?¡À series hyperlink plates (i.e. hyperlink plates with the next bigger chain dimension. The chain amount is observed by adding 2000 to the ASME/ANSI chain amount plus the prefi x letter ?¡ãC?¡À. Chains using the ?¡ãheavy?¡À form side plates use a suffi x letter ?¡ãH?¡À.
Conveyor Series with Significant (oversized) Rollers
These chains possess large rollers to ensure the chain rolls on a conveyor track lowering friction. Chain numbers are located while in the very same way as noted above except that the final digit around the chain number is modified from ?¡ã0?¡À to ?¡ã2?¡À which denotes the massive roller.
Sprockets
On the whole sprockets needs to be generated specially for these chains according to the ASME/ANSI B29.three and B29.4 requirements having said that, for Transmission Series and Conveyor Series with Normal (modest) Rollers, ASME/ANSI B29.one Typical roller chain sprockets could be utilised provided the number of teeth is thirty or additional.

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