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Die Casting News

Releasing, Cooling and Protecting

Posted by Hill and Griffith Company on Apr 15, 2020 8:00:00 AM

Release agents are of central significance in die casting technology.

Excerpt from the January 2020 Issue of Metalworking World by Fabio Boiocchi

Release agents affect the quality of the cast parts, the lifetime of molds and length of casting cycles. Release agents must be matched with the respective casting material and should meet high requirements in terms of economic efficiency and environmental compatibility.

Release agents are indispensable for the trouble-free production process in a die casting foundry. The most widely used release agents for die casting are water-based chemicals [1]. They form a separating film between the casting mold and the casting material during the casting process and cool the casting mold, which has a strongly elevated surface temperature after a casting process. In the long run, such a temperature load – in the case of aluminum, for example, up to 500°C [2] – would cause severe wear of the mold. Therefore, release agents also protect the casting molds.

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Tags: Die Casting, Die Casting Release Agents, Die Casting Lubricants, Die Casting Release Agent, Die Casting Lubricant, Die Casting Process, die casting lubricant management, Metalworking World Magazine

Challenges in the Market for Structural Castings Posed by Globalization

Posted by Hill and Griffith Company on Mar 18, 2020 11:54:04 AM

Excerpt from the December 2018 post of Metalworking World by Fabio Boiocchi

Die casting is an economical method for the manufacturing of structural components. The foundries that operate in this area have to cope with a number of challenges. The use of modern manufacturing technology and the cooperation with other companies in the value chain strengthen their competitiveness. Structural components made by light metal die casting, above all aluminum and magnesium, are an integral part of modern automotive bodies and chassis. These components can be reliably manufactured with die casting methods, meet important requirements in terms of lightweight construction, strength and crash behavior and can be completely recycled at the end of their useful life [1].

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Tags: Die Casting, Die Casting Release Agents, Die Casting Lubricants, Die Casting Release Agent, Die Casting Lubricant, Die Casting Process, die casting lubricant management, Metalworking World Magazine

Nanocomposite Costings for Die Casting

Posted by Hill and Griffith Company on Mar 4, 2020 1:58:06 PM

Excerpt from the March 2014 issue of Metalworking World by Fabio Boiocchi

The working instruments and the dies for forming metal parts, especially in the HPDC (High-Pressure Die casting) technology, are very complex components subjected to strong stresses. In those applications, different failure mechanisms can, therefore, occur: thermal fatigue, cracking, abrasive wear, plastic deformation, transfer of die-cast metal on the die surface. Those problems can cause frequent downtimes of productive lines. It is assessed on average a productivity decrease equal to at least 15%, which causes 15% of the volume of production rejects. This has naturally relevant economic and environmental implications related to the process, efficiency, and energy and raw materials consumption.

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Tags: Die Casting, Die Casting Release Agents, Die Casting Lubricants, Die Casting Release Agent, Die Casting Lubricant, Die Casting Process, die casting lubricant management, Metalworking World Magazine

 


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