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Selective laser melting is a rapid manufacturing process that uses a laser to melt metal particles and create 3D components. It relies on computer aided design and an inert environment, and can reduce waste and manufacturing costs. The equipment can be purchased, rented, or outsourced, and a variety of metals can be used.
Selective laser melting is a rapid manufacturing process in which a laser melts metal particles to create a three-dimensional component, part or object. This technique can be used to make a part in a matter of hours to be used as a prototype or as part of a device. It has potential applications in manufacturing, medical sciences, and auto racing, among many other fields. The equipment needed varies in cost, depending on the size and the full range of features available.
This process relies heavily on computer aided design (CAD). A designer can create a three-dimensional CAD file and send it to the laser controller. The controller uses the information in the file as a blueprint for building the component. This allows for a high degree of accuracy and eliminates the need for machined parts, which can reduce manufacturing costs. The process can also significantly reduce waste, which can be important for environmental and economic reasons for some companies.
An inert environment is required in selective laser melting. Very small metal particles are placed on a tray and the laser moves layer by layer to fabricate the component by heating the metal so it fuses together. This layered manufacturing technique can enable the production of parts in a wide variety of sizes and shapes, including highly complex metal parts. When the piece is complete, the chamber can be opened to extract it.
Facilities using selective laser melting collect the raw material after production to enable it to be reused. This reduces waste and limits the costs associated with the process, as the company uses as much metal as possible it orders in production. A variety of metals, including alloys, can be used to make parts designed for different environments and applications. Companies can use material databases to determine which materials would be most appropriate for their needs.
Selective laser melting equipment usually consists of a large cabinet with an enclosed chamber to create the controlled environment needed to produce components. It can be installed in a factory or laboratory environment for workers to access easily. Businesses that don’t want to purchase equipment may be able to rent or lease for specific applications, including trials to determine if the equipment is right for their needs. It is also possible to outsource rapid manufacturing services such as selective laser melting to another company that can handle component fabrication as needed.
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