[INQ. NO. 2109M12] CASTMAN Co., Ltd., as a high-quality and high-pressure die-casting company with expertise and technical prowess in thermal and fluid engineering, won a NET (New Excellent Technology) award in 2017 and the IR52 Jang Yeong-sil Award in 2021.
Based on its own engineering expertise, the company carries out all processes including product designs, interpretation (computer simulation), mold design, product manufacturing, etc. CASTMAN has two new high-pressure die casting technologies.
The company has become the first in the world to mass-produce high-pressure die-casting products applied with salt cores to replace sand-core casting products.
Those parts with aluminum-casting undercuts are produced from gravity castings by using sand cores.
High-strength salt-core technology has been developed to produce undercut products even from high-pressure die castings.
High-pressure die-casting technology using salt cores has been applied for the first time to the mass-production of Hyundai Motor’s Kappa-engine turbocharger EGR mixers. In comparison with sand-core technology, salt-core technology makes it possible to reduce weight and cost. The company is the only one that holds copper-casting technology.
As EVs evolve, it is necessary to swiftly cool down high heat and increase output. However, it is essential to develop products with a structure that cannot be produced by pressing or rolling, which is a method of producing copper components. Even as these parts are manufactured by machining copper-extruded plates, it is not feasible to mass-produce them at high prices. These parts are manufactured through copper-die castings.
CASTMAN applied heat sinks made from copper die castings to Fujitsu supercomputers from 2019 to 2020. These parts produced through copper die castings are cheaper than those produced by machining copper, thereby reducing costs by 80%.
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