Rotary chains were developed mainly for chain drive applications involving extremely weighty loads or particularly adverse operating conditions. Chains of this type are especially resistant to violent shocks, wear and extreme operating conditions, and have therefore enjoyed increasing achievement in an array of applications recently.
For the most part, rotary chain dimensions are standardized under ISO 3512, ANSI B 29.10 and DIN 8182. One significant advantage of rotary chains is definitely that their links are built to the same design, making it easier to lengthen or shorten the chains when heavy duty cranked link chains needed. They have another advantage over standard roller chains – all links are at the mercy of the same level of wear.
ELITE rotary chains with cranked links are fitted with cotter pins. The chain plates can be found in naturally hardened steel or special tempered metal, according to the anticipated mechanical load. Chains subjected to incredibly high loads are fitted with induction-hardened pins, producing them not only quite challenging, but also giving them the highest possible level of surface hardness.