Method of producing composite component coated with friction layer

A friction layer and component technology, applied in the corresponding component field, can solve the problems of unusable brake pads and high wear, and achieve the effect of easy demoulding

Inactive Publication Date: 2013-06-05
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Voids can thus form, which again lead to unusable brake pads, which can lead to higher wear due to "material defects" until brake pads etc. are unusable

Method used

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  • Method of producing composite component coated with friction layer
  • Method of producing composite component coated with friction layer
  • Method of producing composite component coated with friction layer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] In all the figures the brake pad assembly is shown with 1 as a whole.

[0042] This consists of an aluminum cast blank 2 on which a friction layer 3 is applied to provide the actual braking surface 4 .

[0043] In order to be able to apply and fix the friction layer by thermal spraying on the light metal surface 5 of the cast blank 2, the surface 5 is equipped with protrusions 6, which are formed during casting and obtain the rear section 7 in a subsequent processing step .

[0044] The protrusions 6 are formed as needle-shaped protrusions and are distributed at regular intervals from one another on the surface 5 to be coated.

[0045] They point upwards or away from the aluminum surface 5 for better release of the blank 2 after casting, and here actually have the shape of a truncated cone or a hyperboloid of revolution with obtuse angles.

[0046]Said rear section 7 is inserted into the protrusion 6 in a step after casting and in a step between thermal spraying. The...

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PUM

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Abstract

The invention relates to method of producing a composite component coated with a friction layer. A light-metal surface of a molded blank is provided with a friction layer by thermal spraying, and the light-metal surface is provided with projections during molding. The projections have an undercut in which a wear-resistant layer engages for connecting the light-metal surface. The projections are designed as pin-like elevations during the molding and distributed in a uniform spacing from each other on the surface to be coated, where the undercut is inserted into the projections after the molding step and before the thermal spraying step.

Description

technical field [0001] The invention relates to a method for producing a composite component coated with a friction layer, wherein the light metal surface of the cast blank is provided with a friction layer by thermal spraying and the light metal surface is provided with protrusions formed during casting, wherein the protrusions have The rear section, into which a wear-resistant layer is embedded for the connection to the light metal surface, and the invention also relates to a corresponding assembly. Background technique [0002] In order to save fuel in modern motor vehicles it is known to use aluminum parts for weight reduction. Aluminum parts are used in automobiles in particular instead of cast iron or steel parts. It is known in particular to use aluminum parts for brake drums and brake pads. A disadvantage of aluminum, however, is that it is relatively soft. The aluminum part is therefore equipped with a wear-resistant layer on its surface. Wear layers in brake pa...

Claims

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Application Information

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IPC IPC(8): C23C4/08C23C4/12
CPCF16D65/12F16D69/02F16D2065/132F16D2065/1356F16D2065/1344C23C4/02F16D2250/0046C23C4/12F16D2200/003
Inventor 克莱门斯·玛丽亚·瓦普特斯蒂芬·海因茨
Owner FORD GLOBAL TECH LLC
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