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High-speed train electric-control sliding-plug door aluminum alloy casting manufacturing method and casting

A technology for aluminum alloy castings and high-speed trains, applied in the field of aluminum alloy casting, can solve the problems of poor quality and high cost, and achieve the effects of good quality, less material waste and high yield

Inactive Publication Date: 2018-03-20
张希波
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Problems solved by technology

[0007] In view of this, the embodiment of the present invention provides a method for manufacturing aluminum alloy castings of electronically controlled sliding doors for high-speed trains and the castings. The technical problem to be solved is: the traditional manufacturing method of aluminum alloy parts for electronically controlled sliding doors is high in cost and poor in quality

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  • High-speed train electric-control sliding-plug door aluminum alloy casting manufacturing method and casting
  • High-speed train electric-control sliding-plug door aluminum alloy casting manufacturing method and casting

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Embodiment Construction

[0049] The following description with reference to the accompanying drawings is provided to assist in a comprehensive understanding of various embodiments of the present disclosure as defined by the claims and their equivalents. The following description includes various specific details to aid in understanding, but these are to be regarded as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the disclosure. Also, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

[0050] The terms and words used in the following description and claims are not limited to the bibliographical meanings, but, are merely used by the inventor to enable a clear and consistent understanding of the present disclosure. Accordingly, it should be apparent to those skilled in the art tha...

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Abstract

The invention discloses a method for manufacturing an aluminum alloy casting of an electronically controlled sliding door for a high-speed train and the casting. Temperature field wall thickness; metal type low-pressure mold preparation, when preheating the mold, heat the metal type low-pressure mold in different regions, and the temperature gradually decreases from the bottom to the top from the feed inlet to create a stable field of sequential solidification; spray paint When the paint thickness is from bottom to top, the order is from thick to thin, and the heat preservation is from top to bottom, from strong to weak; determine the aluminum alloy composition, Si6.5‑7.0%, Mg0.30‑0.40%, Ti0.13 ‑0.18%, Fe≤0.19%, Cu≤0.1%, Mn≤0.1%, Zn≤0.1%, other impurities≤0.1%, others are Al; low-pressure casting, low-pressure casting according to the preset low-pressure casting process parameters; casting Heat treatment, heat treatment of castings after pouring. The casting made by the aluminum alloy casting of the electronically controlled sliding door of the high-speed train provided by the invention has low cost and good quality.

Description

technical field [0001] The invention relates to the technical field of aluminum alloy casting, in particular to a method for manufacturing an aluminum alloy casting of an electronically controlled sliding door of a high-speed train and the casting. Background technique [0002] With the rapid development of the world economy and the deteriorating global energy and environmental problems, in the face of increasingly serious traffic congestion, high-speed trains are fast, large-capacity, low-energy consumption, low-emission, popular, safe, comfortable, and environmentally friendly travel transportation Tools are evolving at a rapid pace. [0003] Passenger trains have undergone 6 major speed increases successively. The speed of motor trains has ranged from 250 to 350 to the current 380. In the next few years, high-speed trains will develop rapidly. In order to improve the safety and comfort of trains, it is necessary to carry out maintenance on the doors of trains. keep impro...

Claims

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Application Information

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IPC IPC(8): B22D18/04B22D21/04C22C21/02
CPCB22D18/04B22D21/007C22C21/02
Inventor 张希波周永清王京虎杜朝阳刘曙光夏大卫刘江涛许健东
Owner 张希波
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