a c-c-b 4 c combined with tread cleaner abrasive and preparation method thereof

A C-C-B4C, cleaner technology, used in vehicle cleaning, vehicle maintenance, transportation and packaging, etc., can solve problems such as slag removal, adverse environmental effects, etc., to maintain stability, avoid thermal recession, and high bonding strength. Effect

Active Publication Date: 2021-11-05
马鞍山市雷狮轨道交通装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the serious slag phenomenon caused by the thermal decomposition of the resin in the existing grinding wheel, and the problem that the thermal decomposition of the resin during the friction process and the release of organic gas may cause adverse effects on the environment, the present invention provides a C-C-B 4 C combined with tread cleaner grinder and its preparation method, so that the resin is decomposed in the manufacturing stage and forms a carbon bonded network. In the process of use, B is used 4 C prevents oxidation of the carbon-binding network and generates B 2 o 3 This low-melting product eventually forms a C-C-B 4 C-Combined Tread Sweeper Grinder

Method used

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  • a c-c-b <sub>4</sub> c combined with tread cleaner abrasive and preparation method thereof
  • a c-c-b <sub>4</sub> c combined with tread cleaner abrasive and preparation method thereof
  • a c-c-b <sub>4</sub> c combined with tread cleaner abrasive and preparation method thereof

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Embodiment 1

[0037] The present invention will be described below with reference to specific examples. Those skilled in the art can understand that these examples are only used to illustrate the present invention and do not limit the scope of the present invention in any way.

[0038] A kind of C-C-B of this embodiment 4 C is combined with the preparation method of tread sweeper grinder, specifically comprises the following steps:

[0039] (1) Batching: Batching according to the following formula, the specific parameters are shown in Table 3, the batching can be carried out by using the case name or automatic batching and feeding system, and the batching error is required to be ±0.05g, including the following components and weight percentage content: 8% CARBORES P , 12% copper-plated graphite, 20% SiC coated carbon fiber, 15% 55% copper fiber, 5% 1000 mesh boron carbide, 40% 100 mesh secondary reduced iron powder;

[0040] (2) Mixing: After the raw materials are prepared according to the...

Embodiment 2

[0055] A kind of C-C-B of this embodiment 4 C is combined with the preparation method of tread sweeper grinder, specifically comprises the following steps:

[0056] (1) Batching: Batching according to the following formula, the specific parameters are shown in Table 3, the batching can be carried out by using the case name or automatic batching and feeding system, and the batching error is required to be ±0.05g, including the following components and weight percentage content: 5% CARBORES P , 15% copper-coated graphite, 15% SiC coated carbon fiber, 13% 55% copper fiber, 7% 1000 mesh boron carbide, 45% iron powder;

[0057] (2) Mixing: After the raw materials are prepared according to the formula ratio, they are put into the mixer in turn for pre-homogenization and fiber opening, and the pre-homogenization time is 900 seconds;

[0058] (3) Granulation: Add 6% organic solvent afterwards, wherein the organic solvent includes FF liquid (furfural) and ethylene glycol, W (FF liquid...

Embodiment 3

[0064] A kind of C-C-B of this embodiment 4 C is combined with the preparation method of tread sweeper grinder, specifically comprises the following steps:

[0065] (1) Batching: Batching according to the following formula, the specific parameters are shown in Table 3, the batching can be carried out by using the case name or the automatic batching and feeding system, and the batching error is required to be ±0.05g, including the following components and weight percentage content: 6% CARBORES P , 18% copper-coated graphite, 12% SiC coated carbon fiber, 15% 55% copper fiber, 6% 1000 mesh boron carbide, 43% iron powder;

[0066] (2) Mixing: After the raw materials are prepared according to the formula ratio, they are put into the mixer in turn for pre-homogenization and fiber opening, and the pre-homogenization time is 900 seconds;

[0067] (3) Granulation: Then add 8% FF liquid to carry out granulation, the granulation time is 5 minutes, and then the material can be discharged...

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Abstract

The invention discloses a C-C-B 4 C The invention relates to a grinder for a tread cleaner and a preparation method thereof, which belong to the field of rail transit equipment. It includes 5% to 10% of binder, 10 to 20% of graphite, 10 to 25% of carbon fiber, 10 to 20% of copper fiber, 5 to 8% of boron carbide, and 40 to 50% of iron powder. 10-20 minutes, then add 5-10% organic solvent, then granulate for 2-5 minutes and discharge, then put the material in a drying drum for secondary granulation and dry until the volatile content is less than 1%, that is, Qualified mixture, then cold pressed and solidified and fired to obtain C‑C‑B 4 C-Combined Tread Sweeper Grinder. The present invention adopts the way of carbon-carbon combination, which can effectively avoid the thermal decay of the grinding wheel during the friction process. Boron carbide is used as a reinforcing aid together with carbon-carbon combination, so the structure is stable and no slag will occur during the friction process. .

Description

technical field [0001] The invention belongs to the field of rail transit equipment, and more specifically relates to a C-C-B 4 C Combined tread sweeper grinder and method of making the same. Background technique [0002] The tread cleaner plays the role of cleaning the wheel and increasing the wheel-rail adhesion coefficient to ensure the safety of the service brake. The part of the tread cleaner that directly acts on the wheel is called a grinder. The grinder is a friction part in the tread cleaner that has the functions of cleaning, thickening, and rounding. In view of the above functions, the grinder is formed by pressing and solidified. Due to the thermal decomposition characteristics of phenolic resin, the grinder During the long-term grinding process, the grinder plays an extremely important role in driving safety. In the production process of the grinding wheel, phenolic resin is generally used as a binder for hot pressing molding. During the friction process, the ...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): C22C49/08C22C49/14C22C47/14B60S1/68C22C101/10C22C121/02
CPCB60S1/68C22C47/14C22C49/08C22C49/14
Inventor贺子铭彭程林
Owner马鞍山市雷狮轨道交通装备有限公司