Double Pitch roller chains are developed in accordance together with the ASME/ANSI B29.3 (Transmission Series) and B29.4 (Conveyor Series) American roller chain standards. On the whole these chains are related to ASME/ANSI regular goods except the pitch is double. They’re obtainable in Transmission Series, Conveyor Series with Common (tiny) Rollers and Conveyor Series with Significant (oversized) Rollers.
Transmission Series
This series is often used on drives with slow to moderate speeds, reduced chain loads and extended center distances. Side plates possess a fi gure ?¡ã8?¡À contour. The chain variety is obtained by including 2000 on the ASME/ANSI chain variety and the prefi x letter ?¡ãA?¡À. Note that some companies don’t use a prefi x letter for this series so the chains may be represented as A2040, A2050 and so on. or 2040, 2050 and so forth.
Conveyor Series with Common (tiny) Rollers
This series is often used on light to moderate load materials handling conveyors with or without having attachment hyperlinks. The side plate contour is straight for enhanced sliding properties. Pitch sizes of 1-1/2?¡À and larger have ?¡ãHeavy?¡À series website link plates (i.e. website link plates from the subsequent greater chain size. The chain amount is found by including 2000 to your ASME/ANSI chain quantity as well as prefi x letter ?¡ãC?¡À. Chains with the ?¡ãheavy?¡À type side plates use a suffi x letter ?¡ãH?¡À.
Conveyor Series with Huge (oversized) Rollers
These chains possess large rollers in order that the chain rolls on a conveyor track lowering friction. Chain numbers are located inside the very same way as noted above except that the last digit about the chain number is changed from ?¡ã0?¡À to ?¡ã2?¡À which denotes the massive roller.
Sprockets
On the whole sprockets ought to be created specially for these chains in accordance to your ASME/ANSI B29.three and B29.4 standards nevertheless, for Transmission Series and Conveyor Series with Regular (little) Rollers, ASME/ANSI B29.one Standard roller chain sprockets might be utilised provided the number of teeth is 30 or much more.