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A special aluminum alloy material for the gear box of high-speed EMU
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A technology of aluminum alloy materials and high-speed EMUs, which is applied in the field of aluminum alloy materials, can solve problems such as poor strength and box cracks, and achieve the effects of improving strength and toughness, enhancing strength, and improving alloy strength
Active Publication Date: 2019-03-26
LAIAN KELAIXING IND CO LTD
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Summary
Abstract
Description
Claims
Application Information
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Problems solved by technology
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Problems solved by technology
Existing EMU gear boxes are mostly made of aluminum alloy materials. Due to the defects of poor strength of existing aluminum alloys, there is a risk of cracks in the gear box when used in the gear box.
Method used
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Embodiment 1
[0013] The present invention proposes a special aluminum alloy material for the gear box of a high-speed EMU, and its composition includes: Zn: 1.8%, Mg: 0.5%, Mn: 0.06%, Zr: 0.9%, W: 1%, V: 0.1%, Bi: 0.03%, Ti: 0.5%, Si: 0.5%, Ni: 0.2%, Sn: 0.1%, Fe: 0.1%, Cu: 3.5%, Cr: 0.01%, Er: 0.8%, Hf: 0.05%, In: 0.3%, and the balance is Al.
Embodiment 2
[0015] The present invention proposes a special aluminum alloy material for the gear box of a high-speed EMU, and its composition includes: Zn: 1%, Mg: 1.3%, Mn: 0.05%, Zr: 1.5%, W: 0.5%, V: 0.18%, Bi: 0.01%, Ti: 1.8%, Si: 0.1%, Ni: 1%, Sn: 0.05%, Fe: 0.4%, Cu: 1.5%, Cr: 0.1%, Er: 0.2%, Hf: 0.15%, In: 0.05%, and the balance is Al.
Embodiment 3
[0017] The present invention proposes a special aluminum alloy material for the gear box of a high-speed EMU, and its composition includes by weight percentage: Zn: 1.1%, Mg: 0.6%, Mn: 0.055%, Zr: 1%, W: 0.68%, V: 0.15%, Bi: 0.017%, Ti: 1.3%, Si: 0.2%, Ni: 0.4%, Sn: 0.05%, Fe: 0.3%, Cu: 3%, Cr: 0.07%, Er: 0.6%, Hf: 0.1%, In: 0.2%, and the balance is Al.
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PUM
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Abstract
The invention discloses a special aluminum alloy material for a gearbox body of a high-speed EMU, comprising the following components in percentage by weight: 1-1.8% of Zn, 0.5-1.3% of Mg, 0.05-0.06% of Mn, 0.9-1.5% of Zr, 0.5-1% of W, 0.1-0.18% of V, 0.01-0.03% of Bi, 0.5-1.8% of Ti, 0.1-0.5% of Si, 0.2-1% of Ni, 0.05-0.1% of Sn, 0.1-0.4% of Fe, 1.5-3.5% of Cu, 0.01-0.1% of Cr, 0.2-0.8% of Er, 0.05-0.15% of Hf, 0.05-0.3% of In and the balance of Al.
Description
technical field [0001] The invention relates to the technical field of aluminum alloy materials, in particular to an aluminum alloy material specially used for a gearbox box of a high-speed train set. Background technique [0002] The gearbox drive device of high-speed EMU is a key component to ensure the continuous and stable operation of high-speed trains, and it is a part of the train power bogie. One end of the gearbox is fixed on the frame, and the other end is installed on the axle, and is connected with the traction motor of the EMU through a coupling to realize power transmission. Existing EMU gearboxes are mostly made of aluminum alloys. Due to the defects of poor strength of existing aluminum alloys, there is a risk of cracks in the gearboxes when used in gearboxes. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes a special aluminum alloy material for the gearbox case of high...
Claims
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Application Information
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