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Method for manufacturing aluminum-ceramic composite brake disc

A ceramic composite and manufacturing method technology, applied in the direction of brake discs, etc., can solve the problems that the all-aluminum alloy material cannot guarantee wear resistance, difficult industrial production, and complicated preparation process, so as to ensure the effect of heat treatment, ensure the bonding strength and Densification, overall weight reduction effect

Active Publication Date: 2019-06-14
福建祥鑫股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This invention can effectively reduce the overall weight of the brake disc and achieve the purpose of light weight, but the preparation process of this method is complicated, and the all-aluminum alloy material cannot guarantee sufficient wear resistance
[0005] Invention patent (CN107100949A) provides a combined composite material brake disc and its preparation method and application. The method provides a method in which a gradient composite material and a carbon-ceramic matrix composite material are used as a brake disc after interworking, although the The brake disc structure and material of the method are relatively advanced, and the weight reduction effect is obvious, but the preparation process of the brake disc by this method is complicated, the preparation cost is high, and it is difficult to realize industrial production

Method used

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  • Method for manufacturing aluminum-ceramic composite brake disc
  • Method for manufacturing aluminum-ceramic composite brake disc
  • Method for manufacturing aluminum-ceramic composite brake disc

Examples

Experimental program
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Effect test

specific Embodiment approach 1

[0021] Embodiment 1: In this embodiment, a method for manufacturing an aluminum-ceramic composite brake disc is carried out according to the following steps:

[0022] 1. Prefabrication of ceramic skeleton disc core: According to the actual needs of the friction surfaces of the left and right brake discs, the ceramic skeleton with pores is manufactured as the blanks of the left disc 3, the right disc 4 and the connecting column 5, and the left disc 3, The right disk 4 and the connecting column 5 are combined to form a disk core, and the disk core assembly is obtained after cooling;

[0023] 2. Aluminum alloy smelting and casting disc body: use a smelting furnace to smelt aluminum alloy to obtain molten aluminum; put the disc core group obtained in step 1 into a extrusion casting mold, inject molten aluminum into the extrusion casting mold, The pressure is applied and maintained by the pressurizing equipment to complete the impregnation of the molten aluminum into the disk core ...

specific Embodiment approach 2

[0026] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the aluminum-ceramic composite brake disc is composed of a disc core 1 and a disc body 2; the disc core 1 is composed of a left disc 3, a right disc 4 and Composed of connecting columns 5; the left plate 3, the right plate 4 and the connecting column 5 are all ceramics, the centers of the left plate 3 and the right plate 4 are provided with symmetrical through holes, and the left plate 3 and the right plate 4 are placed in the left and right center, The inner sides of the left disc 3 and the right disc 4 are evenly distributed with several cylindrical pits 6; the left disc 3 and the right disc 4 are connected through evenly arranged connecting posts 5 through fusion heat sealing; the disc body 2 It is made by extrusion casting of aluminum alloy, and the left side of the disc body 2 is provided with a boss protruding from the left disc 3, and several threaded holes 7 are machined on the surface ...

specific Embodiment approach 3

[0027] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is that: the porous ceramics described in step one are foamed ceramics or foamed ceramics; the porosity of the porous ceramics is 5% to 50% %. Others are the same as those in Embodiment 1 or 2.

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Abstract

The invention discloses a method for manufacturing an aluminum-ceramic composite brake disc, and relates to the manufacturing field of vehicle brake discs. According to the method for manufacturing the aluminum-ceramic composite brake disc, a light-weight structure of the aluminum-ceramic brake disc is provided, the structural rigidity and the abrasion resistance are ensured, and the cost is low.The method for manufacturing the aluminum-ceramic composite brake disc mainly comprises the following steps of 1, melting and heat sealing a disc core, 2, smelting and casting a disc body by an aluminum alloy, 3, annealing, 4, heat treatment of the brake disc and 5, machining. According to the method for manufacturing the aluminum-ceramic composite brake disc, a foamed ceramic with a porosity ratio or a foam ceramic and the aluminum alloy are adopted to form the aluminum-ceramic composite brake disc through solid-liquid composite manufacture, the ceramic disc core is effectively connected by adopting a technology of melting heat sealing, and a continuous interface between the ceramic and an aluminum interface is realized after aluminum liquid is soaked in the ceramic. The method for manufacturing the aluminum-ceramic composite brake disc can ensure the overall structural rigidity of the brake disc, the light weight design can be realized, a disc body and a wheel main shaft are connected through a screw, the braking effect is increased, and the method has simple preparation process and low cost.

Description

technical field [0001] The invention relates to the field of vehicle brake disc manufacture, in particular to a manufacturing method of a composite brake disc. Background technique [0002] In the field of transportation manufacturing, although the development of electric braking has been extremely mature, the role of mechanical braking still occupies an important position. When the electric braking fails, it must play an effective braking role to ensure the safety of personnel and vehicles. At present, composite brake discs have excellent comprehensive performance and are made of lighter materials, making it easy to realize lightweight manufacturing. [0003] Invention patent (2018113412493) discloses a method of solid-liquid composite extrusion casting aluminum-steel composite brake disc, the composite brake disc consists of a disc core made of steel and a disc body cast by aluminum alloy, Manufactured by compound squeeze casting method, through this design the brake disc...

Claims

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Application Information

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IPC IPC(8): B22D18/02B22D19/00C22F1/04F16D65/12
Inventor 张建雷杨林池海涛杨耀泉孙绍华俞嘉旺
Owner 福建祥鑫股份有限公司