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Reverse gravity filling forming method for large-size complex amorphous alloy component

An amorphous alloy and anti-gravity technology, which is applied in the field of anti-gravity filling and forming of large-scale and complex amorphous alloy components, can solve the problems of amorphous alloy pollution, difficulty in filling complete components, and failure to meet cooling rate requirements, etc., to achieve mold filling Smooth, reducing the formation of air entrainment and slag inclusion, avoiding the effect of tumbling and splashing

Active Publication Date: 2021-08-24
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that traditional casting methods and ordinary molds cannot meet the cooling rate requirements, the traditional industrial production melting and casting method pollutes amorphous alloys, and the traditional casting forming method under the condition of gravity field is difficult to fill the problem of complete components, and then Provide a method for reverse gravity filling and forming of large-scale and complex amorphous alloy components

Method used

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  • Reverse gravity filling forming method for large-size complex amorphous alloy component
  • Reverse gravity filling forming method for large-size complex amorphous alloy component
  • Reverse gravity filling forming method for large-size complex amorphous alloy component

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specific Embodiment approach 1

[0054] Specific implementation mode one: combine Figure 1-Figure 24 Describe this embodiment, the described method for filling and forming a large-scale complex amorphous alloy component against gravity, the method is realized according to the following structure:

[0055] It includes a smelting cabin, an induction heating system 2, an anti-gravity filling cabin 3, an anti-gravity filling riser 4, an amorphous component forming mold 5 and a computer-controlled actuator; the smelting cabin is a sealed tank, and the induction heating system 2 is set in the melting In the cabin, the reverse gravity filling cabin 3 is arranged above the induction heating system 2, and the reverse gravity filling cabin 3 is sealed and installed on the shell on the top of the smelting cabin, and the reverse gravity filling riser 4 is installed at the bottom of the reverse gravity filling cabin 3, The amorphous member forming die 5 is installed in the reverse gravity filling chamber 3 above the reve...

specific Embodiment approach 2

[0093] Specific implementation mode two: combination Figure 1-Figure 6 Describe this embodiment, a method for filling and forming large-scale complex amorphous alloy components against gravity in this embodiment, in step 1, the piston rod of the locking oil cylinder 1.23 drives the locking ring 1.21 of the smelting chamber on the two locking flanges 1.22, and the wedge-shaped iron block on the locking flange 1.22 and the wedge-shaped iron block of the smelting cabin locking ring 1.21 are squeezed when the smelting cabin locking ring 1.21 rotates, and then the two locking flanges 1.22 are squeezed Press to seal. Other compositions and connection methods are the same as those in Embodiment 1.

specific Embodiment approach 3

[0094] Specific implementation mode three: combination Figure 1-Figure 6 Describe this embodiment, a method for reverse gravity filling and forming of large-scale complex amorphous alloy components described in this embodiment, in step 2, the door drive cylinder 3.12 on the filling chamber opens the filling chamber top cover 3.10 in the pouring chamber, and is supported by the top cover of the filling chamber The arm 3.14 lifts the top cover 3.10 of the filling chamber and rotates it to a position deviated from the top opening of the cabin body 3.1, so as to facilitate loading and unloading of filling parts in the reverse gravity filling chamber 3. Other compositions and connection methods are the same as those in Embodiment 1.

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Abstract

The invention discloses an inverse gravity filling forming method for a large-size complex amorphous alloy component, relates to a filling forming method, and aims to solve the problems that a casting method and a common mold cannot meet the cooling rate requirement, an industrial production casting method pollutes an amorphous alloy, and filling of a complete component is hard by the casting forming method under the gravity field condition. The method is achieved according to the following steps that raw materials are loaded into an alloy smelting cold-wall crucible; a reverse gravity filling riser tube extends to the position above the alloy smelting cold-wall crucible; a sprue of a mold is aligned to the inverse gravity filling riser tube; a filling cabin movable plate driving cylinder is started; a filling cabin upper door driving cylinder is started again to descend; continuous vacuumizing is conducted; an electric power transmission system is started to start alloy smelting; a heat exchange medium control valve and the electric power transmission system work; high-purity argon is charged; the filling cabin movable plate driving cylinder is started; a filling cabin exhaust valve is opened to exhaust the argon in a cabin body; and rapid heat exchange of an amorphous component forming die is achieved. The method belongs to the field of filling forming.

Description

technical field [0001] The invention relates to a filling forming method, in particular to a reverse gravity filling forming method of a large-scale complex amorphous alloy component. Background technique [0002] The emergence of bulk amorphous alloys is one of the extraordinary achievements in the field of material science in recent years. It has always attracted the attention of scientists and industrial designers due to its unique properties. Whether it is weapons and equipment in the cutting-edge field of national defense or notebook computers and mobile phones in the IT industry, great hopes are placed on them. However, there are three major difficulties restricting the industrial production of this fine material product. First, although bulk amorphous alloys differ from the extremely high cooling rates required for conventional amorphous formation. However, relatively high cooling conditions are also required. When the cooling rate is lower than the critical cooling...

Claims

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Application Information

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IPC IPC(8): B22D27/13B22D27/15B22C9/08B22D27/00B22D35/04B22D35/06B22D37/00
CPCB22D27/13B22D27/15B22D27/003B22D37/00B22D35/04B22D35/06B22C9/082
Inventor 孙剑飞曹福洋姜思达黄永江沈红先张伦勇邱子傲宁志良
Owner HARBIN INST OF TECH
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