Double Pitch roller chains are developed in accordance with the ASME/ANSI B29.three (Transmission Series) and B29.4 (Conveyor Series) American roller chain specifications. Usually these chains are similar to ASME/ANSI normal merchandise except that the pitch is double. These are available in Transmission Series, Conveyor Series with Normal (tiny) Rollers and Conveyor Series with Significant (oversized) Rollers.
Transmission Series
This series is usually utilised on drives with slow to reasonable speeds, low chain loads and long center distances. Side plates have a fi gure ?¡ã8?¡À contour. The chain amount is obtained by incorporating 2000 to your ASME/ANSI chain variety as well as prefi x letter ?¡ãA?¡À. Note that some organizations usually do not use a prefi x letter for this series so the chains may possibly be represented as A2040, A2050 etc. or 2040, 2050 and so on.
Conveyor Series with Normal (smaller) Rollers
This series is usually made use of on light to reasonable load material dealing with conveyors with or with out attachment links. The side plate contour is straight for enhanced sliding properties. Pitch sizes of 1-1/2?¡À and greater have ?¡ãHeavy?¡À series link plates (i.e. hyperlink plates with the next more substantial chain dimension. The chain variety is identified by including 2000 to your ASME/ANSI chain number and also the prefi x letter ?¡ãC?¡À. Chains together with the ?¡ãheavy?¡À kind side plates use a suffi x letter ?¡ãH?¡À.
Conveyor Series with Substantial (oversized) Rollers
These chains possess big rollers in order that the chain rolls on a conveyor track minimizing friction. Chain numbers are uncovered from the same way as mentioned above except the last digit around the chain number is altered from ?¡ã0?¡À to ?¡ã2?¡À which denotes the substantial roller.
Sprockets
Usually sprockets should be produced specially for these chains according on the ASME/ANSI B29.three and B29.4 standards having said that, for Transmission Series and Conveyor Series with Standard (tiny) Rollers, ASME/ANSI B29.one Normal roller chain sprockets may perhaps be made use of presented the quantity of teeth is thirty or far more.