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A device and method for preparing semi-solid slurry

A technology of semi-solid slurry and radius, which is applied in the field of semi-solid slurry preparation devices to achieve the effects of low energy consumption, uniform distribution of temperature field and concentration field, and high heat exchange efficiency

Active Publication Date: 2017-04-19
ZHUHAI RUNXINGTAI ELECTRICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention aims to solve the problems described above

Method used

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  • A device and method for preparing semi-solid slurry
  • A device and method for preparing semi-solid slurry
  • A device and method for preparing semi-solid slurry

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] Place the molten aluminum alloy with a temperature of 670 degrees Celsius in the die-casting spoon, adjust the position of the mechanical stirring rod so that the second end of the mechanical stirring rod is 10mm from the bottom of the spoon, rotate the mechanical stirring rod, and at the same time, the compressed air generator moves toward the bottom of the spoon. The compressed air circulation pipe in the mechanical stirring rod is passed into the compressed air, the pressure of the compressed air is adjusted to 0.4MPa, the rotation speed of the mechanical stirring rod is adjusted to 250 rpm, and the stirring time is 25 seconds, and the corresponding half solid slurry.

Embodiment 2

[0064] Place the molten aluminum alloy with a temperature of 655 degrees Celsius in the die-casting spoon, adjust the position of the mechanical stirring rod so that the second end of the mechanical stirring rod is 13mm from the bottom of the spoon, rotate the mechanical stirring rod, and at the same time the compressed air generator moves to the bottom of the spoon. The compressed air circulation pipe in the mechanical stirring rod is fed with compressed air, the pressure of the compressed air is adjusted to 0.2 MPa, the rotation speed of the mechanical stirring rod is adjusted to 100 rpm, and the stirring time is 30 seconds, and the corresponding half solid slurry.

Embodiment 3

[0066] Place the molten aluminum alloy with a temperature of 685 degrees Celsius in the die-casting spoon, adjust the position of the mechanical stirring rod so that the second end of the mechanical stirring rod is 15mm away from the bottom of the spoon, rotate the mechanical stirring rod, and at the same time the compressed air generator moves toward the bottom of the spoon. The compressed air circulation pipe in the mechanical stirring rod is fed with compressed air, the pressure of the compressed air is adjusted to 0.6MPa, the rotation speed of the mechanical stirring rod is adjusted to 400 rpm, and the stirring time is 20 seconds, and the corresponding half solid slurry.

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Abstract

The invention discloses a device for preparing a semi-solid sizing agent. The device comprises a die-casting soup ladle, a mechanical stirring rod, a first stirring blade, a second stirring blade, a compressed air generator and a compressed air flow pipe, wherein the mechanical stirring rod is in a hollow structure; a first end of the compressed air flow pipe is connected with the compressed air generator; a second end of the compressed air flow pipe is inserted into the mechanical stirring rod; the first stirring blade and the second stirring blade are respectively arranged on the mechanical stirring rod; the mechanical stirring rod is inserted into the die-casting soup ladle. The invention also discloses a method for preparing the semi-solid sizing agent by using the device. The method comprises the following steps: putting the molten alloy into the die-casting soup ladle; stirring the molten alloy while introducing the compressed air into the stirring rod; and controlling the quality of the semi-solid sizing agent by controlling the related parameters. According to the device and technique, the preparing efficiency for sizing agent is high and the quality of the semi-solid sizing agent is excellent.

Description

technical field [0001] The invention relates to the field of semi-solid die casting production, in particular to a device and method for preparing semi-solid slurry. Background technique [0002] Semi-solid metal casting technology has experienced more than 20 years of research and development. This technology is a metal forming technology between solid forming and liquid forming. It has low liquid forming flow stress, high forming speed, and can form complex shapes. The advantages of the components are therefore widely concerned. The preparation technology and method of semi-solid slurry directly determines the quality and cost of semi-solid casting products, and is the key to semi-solid casting. [0003] At present, there are many preparation processes for semi-solid slurry, such as mechanical stirring method, electromagnetic stirring method, controlled solidification method, strain activation process, powder metallurgy method, etc., but these methods all have certain pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D17/30
Inventor 任怀德张莹王继成李谷南
Owner ZHUHAI RUNXINGTAI ELECTRICAL
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