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Method and machine for manufacturing electrical circuits

A circuit and machine technology, applied in the field of brush-powered circuits, can solve the problems of difficult operation of cleaning contacts, poor conductance, etc.

Inactive Publication Date: 2008-01-23
SPAL AUTOMOTIVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] Due to the small circuit size, cleaning the contacts is difficult and can lead to poor conductance
In other words, this would again create the very problem that the design of the covered circuit was intended to eliminate.

Method used

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  • Method and machine for manufacturing electrical circuits
  • Method and machine for manufacturing electrical circuits
  • Method and machine for manufacturing electrical circuits

Examples

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Embodiment Construction

[0024] Referring to Figure 1, reference numeral 1 designates in its entirety a machine for producing electrical circuits 2 from thin strips 3 of conductive material.

[0025] The machine 1 shown schematically in the figures comprises means for feeding the thin web 3 along a defined feed path P. As shown in FIG.

[0026] The web strip feeding device is schematically represented as block 4 .

[0027] The machine 1 also comprises a lath cleaning station 5 equipped with one or more rotating brushes 6 and a not shown pickling unit, the term "pickling" denoting a cleaning process carried out by chemical or electrolytic means.

[0028] The brush 6 is rotationally driven by a motor 7 via a reduction unit 8 .

[0029] At the discharge end of the washing station 5 , the machine 1 comprises a first unit 9 for drying the veneer strip 3 , which unit 9 comprises an element 10 for blowing warm air over the veneer strip 3 .

[0030] Downstream of the cleaning station 5 with respect to the d...

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PUM

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Abstract

The machine (1) for manufacturing electrical circuits (2) from a web (3) of electrically conductive material comprises means (4) for feeding the web (3) along a defined path (P) , a stamping station (11) for applying a certain quantity of insulating varnish on certain portions of the web (3) and a punching station (22) for cutting the electrical circuits (2) out of the web (3).

Description

technical field [0001] The invention relates to a method for manufacturing an electric circuit. [0002] In particular, but without thereby limiting its scope, the invention relates to a method for manufacturing an electrical circuit for supplying power to the brushes of an electric motor. Background technique [0003] In electric motors, brush wear caused by a rotating commutator leads to the formation of dust consisting of particles of conductive material dispersed around the commutator. [0004] When used in motorcycle and motor vehicle applications, the electric motor must be protected from penetration by, for example, rainwater. [0005] To achieve this protection, motor guards are made waterproof. [0006] However, such waterproof guards will allow particles of conductive material to be trapped inside the enclosure, causing them to build up on the circuit and eventually cause a short circuit or interrupt the power supply due to the formation of electrical bridges. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05K3/28H05K3/04
CPCH05K3/202H05K2203/0537H05K2203/1545H05K3/0097H05K3/28H05K3/041
Inventor A·斯帕吉艾瑞
Owner SPAL AUTOMOTIVE
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