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Novel mine vulcanizing machine profile and preparation method thereof

A technology for mines and models, applied in the field of new mining vulcanized machine materials and their preparation, can solve the problems of limited development, cracking sensitivity, etc., and achieve the effects of improving alloy structure, refining grains, and high strength

Active Publication Date: 2021-05-28
中色创新研究院(天津)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the prior art, some enterprises use Al-Zn-Mg alloy materials, which can reduce the wall thickness of current vulcanization machinery profiles by about 30%, and reduce the weight of vulcanization machinery by about 30%; Al-Zn-Mg alloys are available Heat treatment strengthened alloy is a kind of medium-high-strength weldable aluminum alloy with good extrusion performance. It has excellent specific stiffness, high fracture toughness, good heat deformability and weldability, and is widely used in aerospace, high-speed Functional structural parts for trains and buildings; however, the alloy is susceptible to stress corrosion cracking, limiting its development

Method used

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  • Novel mine vulcanizing machine profile and preparation method thereof
  • Novel mine vulcanizing machine profile and preparation method thereof
  • Novel mine vulcanizing machine profile and preparation method thereof

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Embodiment 1

[0043] The invention provides a method for preparing a new type of vulcanized machine material for mining, comprising the following steps:

[0044] S1: Before smelting production, do furnace cleaning first; remove metal or non-metallic residues accumulated in various places in the smelting furnace to prevent the melt from being polluted by metal impurities and affect material properties;

[0045] S2: configure the smelting raw materials according to the composition and mass percentage of the aluminum alloy extruded bar; specifically, the smelting raw materials in the S2 include pure metals, master alloys, rare earth elements and modifiers; the pure metal composition includes pure aluminum Ingots, pure magnesium ingots, pure zinc ingots; master alloys include Al-Cu, Al-Mn, Al-Ti, Al-Cr, Cu elements and trace elements such as Al-Cu, Al-Mn, Al-Ti, Al-Cr The rare earth element is added in the form of a master alloy; the rare earth element is Ce / Sc, and the rare earth element is ad...

Embodiment 2

[0063] This embodiment provides a new type of vulcanized machine material for mining, including pure metal, intermediate alloy, rare earth element and modifier; the pure metal composition includes pure aluminum ingot, pure magnesium ingot, and pure zinc ingot; the intermediate alloy includes Al-Cu, Al-Mn, Al-Ti, Al-Cr, Cu elements and trace elements are added in the form of Al-Cu, Al-Mn, Al-Ti, Al-Cr master alloys; rare earth elements are Ce / Sc, Rare earth elements are added in the form of Al-Ce / Al-Sc master alloys; modifiers are added in the form of Al-Ti-B wires.

[0064] Preferably, the element content of the vulcanized machine material for mining is: Si≤0.20%, Fe≤0.25%, Cu0.10~0.20%, Mn0.20~0.30%, Mg2.0~2.8%, Cr0.15~ 0.25%, Zn4.4~4.8%, Ti0.15~0.18%, Ce0.2% / Sc0.3% The balance is Al and other unavoidable impurities, and the individual content of other unavoidable impurities is ≤0.05%, the total amount ≤0.15%.

[0065] The technical effect of the present invention is descri...

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Abstract

The invention relates to the technical field of vulcanizing machine profiles, and provides a novel mine vulcanizing machine profile and a preparation method thereof. The alloy content of an aluminum alloy is adjusted, and corresponding trace elements, rare earth elements and modifiers are added under specific conditions, so that the microstructure of the alloy is optimized, the corrosion resistance of the alloy is improved while the strength and hardness of the material are ensured, and the alloy has relatively high mechanical property and good corrosion resistance; the purpose of reducing the weight of the vulcanizing machine is achieved, meanwhile, the corrosion resistance of the alloy is improved, the stress corrosion susceptibility of the alloy is reduced, and service of the vulcanizing machine under a mine is facilitated; and on the premise of not increasing the production cost of the mine vulcanizing machine, the wall thickness of the aluminum alloy is reduced, the unit weight of an aluminum alloy profile used by the vulcanizing machine is reduced, the equipment weight of the vulcanizing machine are reduced, and meanwhile, the corrosion resistance of the alloy is improved, so that the alloy has matched comprehensive performance of relatively high mechanical property and good corrosion resistance.

Description

technical field [0001] The invention relates to the technical field of vulcanized machine materials, in particular to a new type of vulcanized machine material for mining and a preparation method thereof. Background technique [0002] At present, the materials used in mining vulcanizers are mainly 6005 / T5 profiles; the mechanical properties of the current aluminum profile materials are: [0003] material state Tensile strength / MPa Yield strength / MPa Elongation / % 6005 T5 250 200 7 [0004] Note: GB / T-6892-2015 [0005] In recent years, the application of lightweight alloys has received more and more attention, and the application of aluminum and aluminum alloys is the most eye-catching. The use environment of such mining machinery is in the mine, and it needs to be manually moved during use; Therefore, reducing the weight of the single machine of the vulcanizing machine for mining is more conducive to the use of the vulcanizing machine undergrou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/03C22C1/06C22C21/10C22F1/053
CPCC22C1/026C22C1/03C22C1/06C22C21/10C22F1/053
Inventor 贾林王铁南李永林李丹丹赵寿荣
Owner 中色创新研究院(天津)有限公司
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