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Method for producing a metal part

A technology of metal parts and metals, applied in the field of devices for manufacturing such metal parts, can solve problems such as redundancy

Inactive Publication Date: 2012-11-14
BEHR GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This smooth coating requires a lot of flux and organic binders, but when this coated material strip (Materialstrang) is put into use later, they become redundant and have a bad influence

Method used

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  • Method for producing a metal part
  • Method for producing a metal part
  • Method for producing a metal part

Examples

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Embodiment Construction

[0026] In the method according to the invention, the strip, which consists of a completely level-coated aluminum sheet with brazing filler metal, first appears in the form of rolled material. The plate is sent to the coating device through the feeding device for automatic coating of the flux composition. The coating device comprises a coating roll 1 which has a structured surface 1a-1g. The flux composition in the form of a paste is taken from the storage container and applied to the applicator roll 1, after which it is transferred to the material web along the moving web by the rolling of the applicator roll.

[0027] Since the applicator roll 1 has a textured surface, the flux composition is only applied via the protruding regions of the textured surface and / or is transferred to the strip only via these regions. In this way, the flux composition is applied to only a limited portion of the continuously passing strip surface.

[0028] In FIGS. 1 to 7 are seven representative...

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Abstract

The invention relates to a method for producing a metal part. Said method comprises the steps of supplying a strand of metal material and applying a coating from a fluxing agent composition to a surface of the strand of material by means of an application device (1), said fluxing agent composition being applied to only a defined portion of the surface of the strand of material by means of the application device (1).

Description

technical field [0001] The invention relates to a method for producing a metal part, a metal part produced according to this method and a device for producing such a metal part. Background technique [0002] It is known that during the manufacture of such metal parts, a flux composition (Flussmittelzusammensetzung) is applied to the surface in order to be able to subsequently braze. Here, the flux composition can comprise a solder component, eg in the form of a metal powder, or a pure flux which is applied, for example, to a surface which has been evenly coated with the metal solder. [0003] WO 01 / 38040 A1 describes the manufacture of an aluminum product in which sheets or profiles are fed in by rollers and flux is applied evenly to the surface by applicator rollers. The coating is then dried in a heating unit before the sheets are wound into coils. This smooth coating requires large amounts of flux and organic binders, which become redundant and have a negative effect wh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K1/20B23K3/08
CPCB23K1/203B23K2201/14B23K2101/14Y10T29/49364Y10T29/49353Y10T428/24917Y10T29/4935Y10T29/49391Y10T29/49366B23K3/08B23K1/20
Inventor 彼得·恩勒特贝恩德·格吕嫩瓦尔德马蒂亚斯·蒂尔佩
Owner BEHR GMBH & CO KG
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