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Method for producing aluminum alloy profiles for doors and windows of high-speed trains

A technology of aluminum alloy profiles and high-speed trains, which is applied in the field of aluminum profile manufacturing, can solve the problems of unreasonable profile structures, unsatisfactory high-speed railways, unsatisfactory wind pressure resistance and sound insulation effects, etc., and achieve the effect of uniform flow velocity

Inactive Publication Date: 2017-05-24
JIANGSU KAILUN ALUMINUM
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Problems solved by technology

At present, the profile structure of aluminum alloy windows used for high-speed trains is unreasonable, and it is not satisfactory in terms of water resistance, acid and alkali resistance, weather resistance, aging resistance, wind pressure resistance and sound insulation effect, and cannot meet the needs of high-speed trains. Requirements for Railway Operations

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  • Method for producing aluminum alloy profiles for doors and windows of high-speed trains

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Embodiment Construction

[0016] A method for producing aluminum alloy profiles for doors and windows of high-speed trains, comprising the following steps:

[0017] 1. Mold design: The size of the mold is 390mm*240mm, such a large size can increase the strength of the mold, and it is not easy to collapse; the design uses 8 diversion holes, 8 bridge positions, and a double hole in the middle, which can serve as an intermediate material supply Foot, the foreman is not easy to shift and so on. The depth of the welding chamber is 20mm, which plays the role of welding and avoids the welding line. There is no bright band on the surface after anodizing; the length of the working belt is 3mm, 4mm, 5mm, 8mm, 12mm, and different lengths can make the metal flow through the working belt. Smooth transition, uniform flow rate.

[0018] 2. Ingredients: Si: 0.2-0.6%, Fe: 0.35%, Cu: 0.1%, Mn: 0.1%, Mg: 0.45-0.9%, Zn: 0.1%, Ti: 0.1%, Al: 97.75-98.5% .

[0019] 3. Smelting: Put the raw materials in the above step 2 in...

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Abstract

The invention relates to a method for producing aluminum alloy profiles for doors and windows of high-speed trains. The method comprises the steps: (1) mold designing; (2) dosing; (3) smelting; (4) extruding; (5) discharging; (6) circle bending; (7) precipitation heat treatment; (8) anodic oxidation; (9) assembly molding. The key of the invention is the aluminum alloy frame of a component, and the frame mainly adopts the two key techniques of mold designing and extruding. The aluminum alloy profiles are adopted, the surface is subjected to anodic oxidation, and hollow glass is mounted in the middle. The produced door and window profiles have the performances such as waterproofness, acid and alkali resistance, non-aging property, wind resistance and sound insulation, which exceed the traditional doors and windows. The produced door and window profiles have weather resistance. The produced door and window profiles are tested by an artificial accelerated aging test by adopting a 313B fluorescent ultraviolet lamp, and the produced door and window profiles are not aged after 300 hours of continuous irradiation.

Description

technical field [0001] The invention relates to the field of aluminum profile manufacture, in particular to a porous mold design and production method for rail transit door and window profile materials. Background technique [0002] China has built the world's largest railway transportation network, and the operating mileage of high-speed railways has also jumped to the world's largest this year. China Railway Corporation held a teleconference to readjust this year's railway fixed asset investment plan. After the adjustment, the total railway investment this year will reach more than 800 billion yuan. operate It is necessary to ensure that the line will reach more than 7,000 kilometers, and add more than 6,000 trains with a speed of more than 160km / h. Aiming at the huge train market, the company has specially set up a rail transit workshop to research and develop materials and new installation and production methods for door and window profiles on trains. At present, the p...

Claims

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Application Information

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IPC IPC(8): B21C23/02B21C25/10C22C21/08C22C21/02B23P15/00B21C29/00
CPCB21C23/02B21C25/10B21C29/003B23P15/00B23P2700/08C22C21/02C22C21/08
Inventor 韦利行
Owner JIANGSU KAILUN ALUMINUM
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