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Double Pitch roller chains are created in accordance with the ASME/ANSI B29.three (Transmission Series) and B29.4 (Conveyor Series) American roller chain requirements. Usually these chains are equivalent to ASME/ANSI normal merchandise except the pitch is double. They may be offered in Transmission Series, Conveyor Series with Normal (small) Rollers and Conveyor Series with Massive (oversized) Rollers.
Transmission Series
This series is often used on drives with slow to reasonable speeds, reduced chain loads and extended center distances. Side plates have a fi gure ?¡ã8?¡À contour. The chain quantity is obtained by incorporating 2000 towards the ASME/ANSI chain amount 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 on. or 2040, 2050 etc.
Conveyor Series with Conventional (compact) Rollers
This series is often employed on light to reasonable load material managing conveyors with or without attachment backlinks. The side plate contour is straight for improved sliding properties. Pitch sizes of 1-1/2?¡À and more substantial have ?¡ãHeavy?¡À series link plates (i.e. hyperlink plates of the next bigger chain size. The chain amount is uncovered by incorporating 2000 to your ASME/ANSI chain variety as well as the prefi x letter ?¡ãC?¡À. Chains with all the ?¡ãheavy?¡À form side plates use a suffi x letter ?¡ãH?¡À.
Conveyor Series with Big (oversized) Rollers
These chains possess massive rollers to ensure that the chain rolls on the conveyor track cutting down friction. Chain numbers are uncovered from the exact same way as mentioned above except that the final digit to the chain number is modified from ?¡ã0?¡À to ?¡ã2?¡À which denotes the substantial roller.
Sprockets
In general sprockets should be developed specially for these chains in accordance for the ASME/ANSI B29.3 and B29.four standards nonetheless, for Transmission Series and Conveyor Series with Conventional (little) Rollers, ASME/ANSI B29.one Normal roller chain sprockets may well be utilized offered the quantity of teeth is thirty or more.