Novel automobile seat
A car seat, a new type of technology, applied in seat frames, thigh cushions, etc., can solve the problems affecting the surface beauty of parts, the strength is difficult to meet the use, and the forming performance is inferior, and achieves excellent vibration characteristics, light weight, and excellent forming. performance effect
Inactive Publication Date: 2014-04-30
佛山市盛耀座椅有限公司
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Problems solved by technology
The 5000 series (Al-Mg) aluminum alloy has very excellent formability, but it is easy to produce tensile strain marks in the process of pressing and forming, which will affect the aesthetics of the component surface, and at the same time, there will be obvious softening of the baking paint during the baking process , so that the strength is difficult to meet the requirements of use
Although the 6000 series (Al-Mg-Si) magnesium alloy hardly appears tensile strain lines during the pressing process, and can improve the yield strength through a flexible paint heat treatment process, compared with the 5000 series (Al-Mg ) aluminum alloy, its formability is much inferior
Method used
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[0010] The content of the present invention will be described in detail below through specific embodiments.
[0011] 1. Preparation of aluminum alloy materials
[0012] Prepare the raw materials according to the composition ratio of the aluminum alloy described in Table 1, melt the raw materials and obtain aluminum alloy slabs by semi-continuous casting; carry out homogenization treatment on the aluminum alloy slabs at 520°C, and the processing time 3h; then carry out hot rough rolling on the aluminum alloy, the rough rolling start temperature is 520°C, the finish rolling temperature is 450°C, and the reduction ratio is 90%; then carry out hot finish rolling on the aluminum alloy, the hot finish rolling temperature is 400°C , the reduction rate is 70%, and the strain rate is 15 / s; then the aluminum alloy is pressed to the required thickness by cold rolling; then the aluminum alloy is heated to 480°C for solution treatment for 30s, and the cooling rate is 20°C / s After cooling ...
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Abstract
A provided novel automobile seat is characterized by comprising an aluminium alloy seat frame with specific composition and structure, and a polyurethane foam cushion with a specific structure. Specifically, the aluminium alloy comprises, in percent by weight (wt.%), 4.0-4.5 of Mg, 0.6-0.8 of Si, 0.6-1.0 of Cu, 0.05-0.1 of Mn, 0.05-0.1 of Cr, 0.05-0.1 of Zr, 0.05-0.1 of Zn, 0.1-0.2 of Sn and 0.01-0.05 of Sr. The polyurethane foam is a soft polyurethane foam material obtained by performing reaction on a polyol combination and polyisocyanates in the presence of a catalyst, a foaming agent, a foam stabilizer and a flame retardant. The raw material compositions of the polyurethane foaming material are optimized, and through the mutual cooperation of the various raw material compositions, the novel polyurethane foaming material, which is low in density, possesses both excellent variation property and excellent permeability and is safe to use, is obtained.
Description
technical field [0001] The invention relates to the technical field of auto parts, in particular to provide an auto seat with light weight and superior performance. Background technique [0002] With the continuous development of the automobile industry and people's continuous pursuit of improving the quality of automobiles, the requirements for auto parts materials are also increasing. As for car seats, due to considerations of vehicle driving economy and the safety and comfort of drivers and passengers, polymer elastic materials used as cushions and alloy materials used as seat skeletons and frames are all suitable. Various demands were put forward. [0003] It is well known that flexible polyurethane foams are obtained by reacting polyisocyanates with high molecular weight, isocyanate-inactive compounds in the presence of blowing agents. The flexible polyurethane foam material is widely used in the production and preparation of automobile seat cushions because of its ex...
Claims
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IPC IPC(8): C22C21/08C08G18/76C08G18/48C08G18/24C08J9/08B60N2/68B60N2/62
Inventor 毛秧群
Owner 佛山市盛耀座椅有限公司