IS 14889 : 2000 Copper Tamping Powder for Carbon Brushes - Specification

1 Scope

This standard specifies the requirements of copper powder usedfor tamping of flexibles of carbon brushes.

2 References

IS 1068 :1993Electroplated coatings of nickel plus chromiumand copper plus nickel plus chromium

IS 1885 : Part 35 :1993 Electrotechnical vocabulary:Part 35 Rotating machinery

IS 4840 :1984Method for determination of flow rate of metalpowders for powder metallurgical purposes

IS 4848 :1981Method for determination of apparent density of free flowingpowders for powder metallurgicalpurposes

IS 5461 :1984Method for sieve analysis of metal powders

IS 13466 :1992Brushes for electrical machines

IS 13586 :1993Definitions and nomenclature for carbonbrushes, brush-holders, commutators andslip-rings for electrical machinery