The Turkish division of gripper producer Bilsing Automation has introduced the implementation of DED 3D printing know-how from the Fraunhofer Institute for Laser Know-how (ILT) into its workflow. The superior course of, aptly named excessive high-speed Laser Materials Deposition (LMD), is already being utilized by industrial companions in international locations resembling Germany, China, and the UK, with Turkey now making the newest addition.
Coating a brake disc utilizing LMD. Photograph by way of Fraunhofer ILT.
Laser materials deposition
LMD is a variant of direct power deposition, whereby a nozzle feeds powder to an intersection level with a excessive energy laser – on this case, as much as 20kW. The laser melts the powder because it’s being deposited, fusing it the floor of the half straight beneath. Fraunhofer ILT has been working by itself model of this since 2012 and has managed to realize layers as skinny as 25 microns with speeds of as much as 8m/s.
The Institute’s machine additionally has a component of modularity to it, because the nozzle could be swapped out for a extra lateral one or a extra coaxial one, relying on the kind of powder feed required for the appliance. What actually pushed Bilsing to undertake the know-how, nonetheless, was the brand new HighNo (high-quality powder nozzle).
The HighNo was developed in collaboration with Harald Dicker, and directs a cone-shaped powder jet onto the workpiece at a really exact definable distance. It’s made from a confirmed copper alloy and is able to powder efficiencies of as much as 95%. The within of the nozzle options two distinct cones that information the powder all the best way to the tip. Customers can modify these cones to change the powder move of the nozzle, enabling customizability for purposes that require it.
The HighNo. Photograph by way of Fraunhofer ILT.
Excessive precision grippers
Since choosing the know-how, Bilsing has used LMD and the HighNo to provide a lot of its proprietary merchandise, together with versatile grippers, dealing with units, and forming instruments. The corporate has additionally labored collaboratively with Fraunhofer to provide Ti64 plane parts for Turkish Airways, particularly repairing the O-rings present in touchdown gear.
Inside its personal amenities, Bilsing determined to mount the LMD processing head onto a cellular robotic with tracks, making the entire thing resemble a miniature tank (full with the lethal laser beam). It now roams the store flooring, aiding the manufacturing traces that want the additive enhance.
Salih Ersungur, a Managing Director at Bilsing Automation, states: “The exchangeable nozzle suggestions of the brand new nozzle technology are fixed with three screws that may be loosened with a view to then insert a distinct nozzle tip. The HighNo nozzle makes the method extra dependable and sooner and reduces set-up occasions. We strongly consider in it.”
Bilsing’s LMD rover. Photograph by way of Bilsing Automation.
A number of firms within the additive marketspace have developed their very own types of DED 3D printing. Optomec, identified for its LENS course of, lately introduced an development within the capabilities of its LENS steel 3D printers. The processing heads at the moment are in a position to deposit any aluminum alloy, extending the vary of attainable purposes in industries resembling transportation and aerospace.
Final 12 months, in Las Vegas, Additec additionally made its debut with the launch of the μPrinter – that includes the corporate’s personal spin on laser steel deposition. The additive manufacturing system is a desktop machine, which may be very unconventional for the sort of know-how. It additionally retails at round $90,000, making it one of many extra cost-efficient steel 3D printers in the marketplace.
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Featured picture reveals brake disc being coated by way of LMD. Photograph by way of Fraunhofer ILT.
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