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Processing method for pole coils of tubular turbines

A technology of magnetic pole coil and processing method, applied in electromechanical devices, electric components, manufacturing of motor generators, etc., can solve the problems affecting the insulation quality and aesthetics of the inner diameter pole body, grinding the inner diameter size of the magnetic pole coil, and small inner diameter size, etc. Improve the speed and production cycle, save insulation materials, good insulation performance

Inactive Publication Date: 2010-10-13
TIANJIN TIRNFR HEAVY HYDROELECTRIC FRCILITY CO LTD
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Problems solved by technology

[0002] At present, in order to reduce the consumption of copper materials and reduce the manufacturing cost of the motor, the design of the magnetic pole coil of the tubular flow unit has been changed from the semicircular R structure to the 3R structure. Small size, when the magnetic pole coil covers the magnetic pole core, the 2R position defies, needs to grind the inner diameter of the magnetic pole coil, which will affect the insulation quality and appearance of the inner diameter pole body, and will also cause inter-turn short circuit phenomenon, wasting a lot of raw materials

Method used

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  • Processing method for pole coils of tubular turbines
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Embodiment 1

[0014] Embodiment 1 A method for processing magnetic pole coils of a tubular flow unit. The processing of magnetic pole coils includes primary annealing of copper bars, edge winding, coil annealing, cold pressing, insulation between turns and pole body insulation, and then pole sleeves; the edge winding of magnetic pole coils uses The mold is processed and manufactured, and the mold is 1-3mm longer than the design size of the magnetic pole coil. Mainly consider the margin of inner insulation and the amount of rebound when the copper bar is wound, so as to ensure that the inner diameter verification mold of the magnetic pole coil after pressing the insulation of the pole body passes smoothly up and down.

[0015] Controlling the annealing temperature of the copper bar is the key to ensure the quality of the magnetic pole coil's flat winding, the inner diameter size and the 2R angle. In the existing self-made anaerobic annealing furnace, the temperature is adjusted between 580°-6...

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Abstract

The invention relates to a processing method for pole coils of tubular turbines, which belongs to the technical field of tubular turbines. The pole coil-processing method includes the following steps: one-step copper bar annealing, edgewise winding, coil annealing, cold pressing, interturn insulation pressing, pole insulation pressing and pole insertion. The processing method is characterized in that a mould, which is 1mm to 3mm longer than the design size of the pole coil, is adopted to fabricate the edgewise winding of the pole coil. The invention has the advantages of simple technique, excellent insulating property, smaller motor size, energy saving, consumption reduction, high production efficiency, good overall quality and the like.

Description

technical field [0001] The invention belongs to the technical field of tubular flow units, in particular to a method for processing magnetic pole coils of tubular flow units. Background technique [0002] At present, in order to reduce the consumption of copper materials and reduce the manufacturing cost of the motor, the design of the magnetic pole coil of the tubular flow unit has been changed from the semicircular R structure to the 3R structure. The size is small, when the pole coil covers the pole core, the 2R position defies, and the inner diameter of the magnetic pole coil needs to be ground, which affects the insulation quality and appearance of the inner diameter pole body, and also causes inter-turn short circuit phenomenon, wasting a lot of raw materials. Contents of the invention [0003] The invention provides a method for processing a magnetic pole coil of a tubular flow unit to solve the technical problems in the known technology. [0004] The purpose of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K15/04
Inventor 路春玲
Owner TIANJIN TIRNFR HEAVY HYDROELECTRIC FRCILITY CO LTD
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