Glassband Commutator

The only restraining force on glassbound comms are the res-i-glass bands. This material is made from high tensile glass yarns laid parallel and bonded with fully catalyzed thermosetting resins. The glassbound commutator is set with an interference fit of approximately 0.030" to a mica wrapped and cured steel hub. The retained interference fit, measured by the growth of the segment pack, should be, at minimum, 0.015". The inside of the segment pack is bored specific to the cured mica-wrapped hub, and machining must be smooth with no chatter. Glassband grooves are cut after the segment pack is assembled to the core.

Declaration : EMD and GE are trade commercial names of Electro-Motive Diesel, Inc. and GE Transportation. DOLPHINE ELECTROMECH is not an authorized EMD and/or GE distributor, nor is otherwise associated or affiliated with EMD and/or GE. However, replacement components, subsystems and services provided by DOLPHINE ELECTROMECH,are compatible with and usable on EMD and/or GE locomotives.