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Casting of metals

A metal and light metal technology, applied in the field of light metal, can solve the problems of casting parts quality impact, air inclusions in alloys, etc., achieve high alloy diversity, avoid multiple melting, and save energy

Active Publication Date: 2020-02-28
乔治费歇尔金属成型科技股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In such casting chambers where the liquid melt is introduced directly, there is also the disadvantage that due to the horizontal and vertical arrangement of the inlet openings and the liquid state of the metal to be cast, The casting chamber can only be partially filled, so during the pressing of the melt into the cavity with the aid of the casting piston, especially air inclusions can occur in the alloy, which negatively affects the quality of the cast part

Method used

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  • Casting of metals
  • Casting of metals
  • Casting of metals

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Embodiment Construction

[0043] figure 1 The shown figure shows the casting chamber 2 of the device 1 according to the invention, the metal rod 5 to be cast has been placed and the casting chamber 2 is completely closed. Arranged along the circumference of the casting chamber 2 are induction heating elements 3 which preferably extend over the length of the casting chamber 2 in order to ensure uniform heating of the bar 5 . It can be clearly seen that almost 100% filling of the casting chamber 2 can be achieved by introducing the metal to be cast as a solid, which helps to reduce air inclusions in the cast part. In the casting chamber 2 of the device 1 according to the invention, rods are placed into the casting chamber 2 through the inlet opening 9, as figure 2shown. Subsequently, the casting piston 4 is moved up to the bar 5 and the closure system 6 keeps the outlet opening 8 closed so that the casting chamber is completely closed. A closing piston is preferably used as the closing system 6, alth...

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Abstract

A method for casting metals under pressure by a cold-chamber method includes placing a bolt of the metal to be cast in one of at least two casting chambers and selecting a casting chamber from the atleast two casting chambers and feeding and introducing the selected casting chamber into a die casting machine, the selected casting chamber having one outlet opening. The selecting and feeding of thecasting chambers is carried out alternately from the at least two casting chambers. The method further includes heating the bolt by means of induction. Melting of the bolt in the selected casting chamber is carried out after the feeding and introducing of the selected casting chamber into the die casting machine but before an opening of the outlet opening of the selected casting chamber in orderto fill the cavities is completed.

Description

technical field [0001] The invention relates to a method and apparatus for casting metal, preferably light metal, under pressure by the cold chamber method, the apparatus comprising a die casting machine, a feeder and a changer, in which bolts of the metal to be cast are placed in the casting chamber, and is fed into the die casting machine and introduced. Background technique [0002] Methods and apparatus for casting metals under pressure are known in the art and are preferably used for light metals. [0003] In the cold chamber method, the die casting machine and the furnace are arranged separately from each other, and the desired melt melted in the furnace is manually or automatically fed into the casting chamber in the die casting machine. [0004] This method requires high energy consumption because the furnace is configured for larger quantities, usually relatively large quantities are melted in the furnace, and smaller charges need to be increased accordingly to the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D17/08B22D17/20
CPCB22D17/08B22D17/20B22D17/04B22D17/2038B22D17/2053B22D17/203B22D17/007
Inventor M.贾思特H.拉门希
Owner 乔治费歇尔金属成型科技股份公司
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