标准号:IS 3542-1980
发布日期:1980/8/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:Specifies the dimensions, tolerances, measuring loads and minimum breaking loads of extended pitch precision roller chains suitable for the mechanical transmission of power and for conveyors, together with the tooth gap forms and rim profiles of their associated chain wheels of teeth from 5 to 75 inclusive ( with intermediate number of teeth 51/2 to 741/2 inclusive ).