FIELD: load-lifting electromagnet repairs.
SUBSTANCE: prior to repairs nonmagnetic safety washer is removed, coil is extracted from casing cavity bounded by casing base and its external and internal poles, cavity is cleaned, and then new coil is manufactured and placed in cavity, the latter is closed with safety washer and filled with insulating material. New coil is manufactured by winding conductor on intermediate commutating pole whose diameter is greater than that of casing internal pole; new coil is installed in casing together with intermediate pole.
EFFECT: enhanced load-lifting capacity, reduced power requirement and degree of electromagnet heating.
5 cl, 3 dwg
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