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Double Pitch roller chains are made in accordance with all the ASME/ANSI B29.3 (Transmission Series) and B29.four (Conveyor Series) American roller chain specifications. In general these chains are equivalent to ASME/ANSI standard products except that the pitch is double. They’re obtainable in Transmission Series, Conveyor Series with Common (small) Rollers and Conveyor Series with Large (oversized) Rollers.
Transmission Series
This series is often employed on drives with slow to moderate speeds, very low chain loads and long center distances. Side plates possess a fi gure ?¡ã8?¡À contour. The chain variety is obtained by including 2000 towards the ASME/ANSI chain number along with the prefi x letter ?¡ãA?¡À. Note that some corporations will not use a prefi x letter for this series so the chains may well be represented as A2040, A2050 and so forth. or 2040, 2050 and so on.
Conveyor Series with Normal (modest) Rollers
This series is often employed on light to moderate load materials managing conveyors with or without the need of attachment backlinks. The side plate contour is straight for improved sliding properties. Pitch sizes of 1-1/2?¡À and bigger have ?¡ãHeavy?¡À series link plates (i.e. link plates on the following larger chain dimension. The chain amount is found by adding 2000 on the ASME/ANSI chain variety along with the prefi x letter ?¡ãC?¡À. Chains using the ?¡ãheavy?¡À style side plates use a suffi x letter ?¡ãH?¡À.
Conveyor Series with Big (oversized) Rollers
These chains possess big rollers to ensure the chain rolls on a conveyor track cutting down friction. Chain numbers are located while in the same way as mentioned over except the last digit on the chain quantity is transformed from ?¡ã0?¡À to ?¡ã2?¡À which denotes the huge roller.
In general sprockets should be created specially for these chains in accordance to your ASME/ANSI B29.3 and B29.4 standards on the other hand, for Transmission Series and Conveyor Series with Typical (little) Rollers, ASME/ANSI B29.1 Conventional roller chain sprockets might be employed offered the amount of teeth is thirty or more.

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