METHOD OF LINEAR SPIRAL ARMATURE MANUFACTURING Russian patent published in 2014 - IPC H02G1/04 

FIELD: electricity.

SUBSTANCE: method lies in processing of rigid members made as threads (metal wires with protective coating or without it, non-metal rods, etc.). Wire with diameter from 0.1 mm up to 24 mm are unwounded from coils, cut into sections, at that a spherical shape is provided to ends of the cut sections, the cut sections are collected into bundles and fastened into a strand with length determination of the strand middle part, the strand is twisted in turns with their number from 1 up to 150 turns; the middle part of the strand can remain unwind for certain cases of application for the manufactured linear spiral armature; then end parts of the strand are shaped as spiral with a regular pitch and diameter, or with an alternating pitch and diameter or with a regular pitch and alternating diameter and vice a versa. Length Lm of the strand medium part is defined from the below ratio: Lm=(0.05÷3)·(L1+L2/2), where L1 is the strand length measured from the left end of the medium part up to the left end of the strand in a ready-to-use article while L2 is the strand length measured from the right end of the medium part up to the right end of the strand in a ready-to-use article respectively.

EFFECT: method features simplicity of the process for manufacturing of linear spiral armature and it may be implemented in stationary and field conditions, and the articles manufactured with its use are characterised by low own costs and high operational reliability.

16 cl, 1 dwg