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method of producing a permanentmagnetischen rotor for a synchronous motor, in particular for a waschmaschinenpumpe for household and industrial applications, and the like.and the corresponding rotor
method of producing a permanentmagnetischen rotor for a synchronous motor, in particular for a waschmaschinenpumpe for household and industrial applications, and the like.and the corresponding rotor
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机译:生产用于同步电动机,特别是用于家庭和工业应用的洗衣机等的永磁转子的方法以及相应的转子
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摘要
A method for obtaining, in a quick way, a strong, compact and waterproof permanent-magnet rotor (3), intended for a synchronous motor (1), particularly for pumps of washing machines for industrial and domestic use and the like, of the external stator (2) type, comprising a cylindrical hollow core (6) surrounded by a plurality of permanent magnets (10) comprising the steps of arranging a cup-like body (7) with a base end (8a), a free end (8b) and a side wall (9) exhibiting a plurality of passing longitudinal recesses (12) which define, between the same, a plurality of positioning seats (13) for the magnets (10), providing to insert the core (6) into the cup-like body (7) and arrange the magnets (10) in said seats (13) and injecting a plastic material with obtainment of a cage-like structure (50) having opposite bottoms (27, 28) abutting at the ends (8a, 8b) of the cup-like body (7) as well as columns (29) extended between the opposite bottoms (27, 28) housed in the recesses (12).;The invention also relates to a rotor (3) obtained by means of the present method.
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