Repairing and rewinding of electric motor 150KW/6.6KV/1488 RPM Marathon Make of MIC under Jhanjra Area

Amount

Dismantling of motor stator and decarburizing the circuit connection, removing the slot wedges, damaged coils taken out from stator slot, slot cleaning by approved type cleaner and jumpering, taken out burnt coils from stator slot, cleaning of core slots by approved type cleaner etc.

Supply of new electrolyte grade super enameled double fibre glass covered pre varnish copper strip

Conductor as per dimension

Supply of insulation for overhung portion of the coil with GMP, Kafton and glass tape

Supply of moulding the coils with mica therm and mica folium by baking and insulating from moulded portion to coil head with GMP, GMP type with revarnishing

Inserting the moulded coil in the core slots in specific order by Nomex for slot insulation in between wedges and coils, coil separator & insulated blocks, binding the overhung portion of coils with unvarnished glass sleeving

Insulation of the circuit connection, jumpers, coil to series and leads with Kafton, nomex GMP tape, layer insulation to be given on the leads with sealing tape and dry out windings

Inserting the silicon base glass wedges

Supply of circuit connection and rejumpering with silver blazing rod, DA, Oxygen etc

Supply of High pressure testing of rewinded motor after fitting

Repairing of rotor shaft by wielding and machining as per bearing size

Rotor winding, cleaning, washing, varnishing, greasing etc.

Build up and machining of both end bearing housing bracket

Build up and machining of both end shield

Trueness checking and dynamic balancing of rotor

Bearing NU 321

Bearing 6321

Cleaning, greasing, assembling and no load trial run of motor

Transporting charges to & Fro

Less Scrap value

Total impact of GST for the purpose of CTC

NEW ELECTRICAL CONCERN

KEKA ARMATURE REPAIRING SHOP

LABANAYA INDUSTRIES