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WHY INVESTMENT CASTING? - Aluminiumsstøbning, Extruderet og trykstøbt aluminium
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Forside › Konstruktion & Prototyper › WHY INVESTMENT CASTING?
En række gode grunde til at vælge Investment Casting
We offer many advantages to te end user, designer, or manufacturer, by utilizing lost wax casting process to produce components, often originally conceived to be manufactured in ways that were either too costly or too restrictive in terms of design elements.  These investment castings take on a unique characteristic unattainable by other processes, due primarily to our using die injected wax shapes as patterns.  This allows us to obtain te detail and accuracy of components made by injection molding, usually reserved for low melting point metals, but in fact made from high melting point metals and alloys such as steel and stainless steel.  This is because of te unique formation of a seamless ceramic shell built around te precision wax shapes.  Te ceramic shell holds te shape of these wax geometries at extremely high temperatures while te molten metal, poured into te shells, solidifies into your castings.  Due to these inherent, precise, and unlimited geometries possible with te investment casting process, te investment casting process provides te following benefits:
Using investment castings produces components that are best described as near-net-shape, in other words, components that require little or no further processing. Te process is capable of producing precise detail and dimensional accuracy of approximately +/-0.005"per inch of dimension in castings of up to 80 kgs or just a few grams..
WIDE CHOICE OF ALLOYS
Hundreds of different alloys can be cast using te investment casting process, in most commonly used base metals such as steels, stainless steels, copper, nickel, irons, cobalt, and more. A key advantage often overlooked is that since finish machining can be minimized or eliminated, alloy selection can be upgraded to stronger metals, which are typically harder to machine, resulting in better performance of te end product.  Most of te common engineering metals used by a wide range of industries, as well as many specialized metals for demanding applications.
In all other processes, tooling is a significant cost factor.  However, investment casting tooling is produced from easily machined aluminum alloy, but because it is only receiving wax, it has an extremely long life.  We works with our clients to assist with tooling requirements, and looks after all tool manufacturing, and storage of te completed tooling. Costs for these wax tools is substantially less than that of die casting or forging dies, and many times dies can be made as multiple cavities as well as semi or full automation to reduce casting costs even more, yielding exceptionally high return on te investment of te tool.
Te most common applications for investment castings are in situations where costly finishing operations can be reduced, or even eliminated, for existing metal components. This is due to te accuracy of detail and dimensions attainable with investment casting.  Today, more and more manufacturers are turning to designing their new components as investment castings, since several parts can be made as one casting, reducing handling, assembly, welding, and inspection costs.
Investment casting is a designer's dream. Complex shapes, both externally and internally are possible through te use of tool design, soluable wax coring, or ceramic coring. Internal configurations not possible with most other manufacturing processes can be provided by us through te use of investment castings. Externally, draft-free walls, splines, holes, bosses, lettering, serrations and even some threads can be easily cast as well.
Using investment castings produces components that require little machining, and therefore there are significant reductions in lost metal to chips and shavings. This is especially valuable when working with materials such as stainless steels, nickel alloys, and cobalt alloys, which are not only costly, but difficult to machine.
Since cast components are produced by using wax patterns from a single tool, dimensional accuracy is te same from part to part, year after year. When design changes are required, it is usually possible to alter existing tooling at a relatively minor cost.
SPEED OF CONCEPT TO CASTING
From design to completion, investment castings can usually be supplied in under 4-6 weeks.
APC Asian Production & Components ApS  • Sundkrogen 35  • DK-6400 Sønderborg  • Tlf:  74 48 50 05  • Fax:  74 48 50 45
Mob: 20 47 81 18  •  APC China: +86 150 129 731 20  •  E-Mail: apc@apc.as   •  WEB: www.apc.as •  CVR: 26810086
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