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Double Pitch roller chains are produced in accordance with all the ASME/ANSI B29.3 (Transmission Series) and B29.four (Conveyor Series) American roller chain specifications. On the whole these chains are equivalent to ASME/ANSI standard merchandise except that the pitch is double. They are really readily available in Transmission Series, Conveyor Series with Common (compact) Rollers and Conveyor Series with Substantial (oversized) Rollers.
Transmission Series
This series is usually made use of on drives with slow to moderate speeds, lower chain loads and prolonged center distances. Side plates possess a fi gure ?¡ã8?¡À contour. The chain number is obtained by incorporating 2000 to the ASME/ANSI chain quantity plus the prefi x letter ?¡ãA?¡À. Note that some organizations will not use a prefi x letter for this series so the chains could be represented as A2040, A2050 and so on. or 2040, 2050 and so forth.
Conveyor Series with Typical (smaller) Rollers
This series is usually made use of on light to reasonable load material managing conveyors with or with out attachment hyperlinks. The side plate contour is straight for improved sliding properties. Pitch sizes of 1-1/2?¡À and bigger have ?¡ãHeavy?¡À series hyperlink plates (i.e. website link plates from the subsequent bigger chain dimension. The chain amount is found by including 2000 on the ASME/ANSI chain number along with the prefi x letter ?¡ãC?¡À. Chains using the ?¡ãheavy?¡À kind side plates use a suffi x letter ?¡ãH?¡À.
Conveyor Series with Substantial (oversized) Rollers
These chains possess large rollers so that the chain rolls on the conveyor track reducing friction. Chain numbers are observed while in the very same way as noted over except the final digit over the chain number is transformed from ?¡ã0?¡À to ?¡ã2?¡À which denotes the huge roller.
Sprockets
On the whole sprockets must be created specially for these chains in accordance to your ASME/ANSI B29.3 and B29.four specifications nevertheless, for Transmission Series and Conveyor Series with Normal (smaller) Rollers, ASME/ANSI B29.1 Typical roller chain sprockets may possibly be used offered the amount of teeth is 30 or additional.