China3D printingNet February 2nd, Naples public transport company Azienda NapoletanaMobilità (ANM) has obtained the Italian3D printingWith the help of engineering company 3DnA, mechanical components were redesigned for Naples’ bus and tram network.
3DnA uses reverse engineering technology to3D printing“Trolley head”, this “trolley head” connects each bus to the air power line of the network, and mechanically guides the guide rod fixed on the roof of the vehicle to it.There is no longer such a spare trolley head on the market, and because the lead time of the traditional manufacturing method is more than one year, so I chose3D printingTo fill the gaps in the supply chain.
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The trolley head is installed on the Naples bus” alt=”Old and new
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The trolley head is installed on the Naples bus” width=”620″ height=”346″ />
Old and new3D printingThe trolley is installed on the Naples bus. The picture comes from 3DnA.
Reverse engineering the cart head
Since there is almost no data available for the original design of the trolley head, 3DnA resorts to use3D scanningReverse engineer the components. Once the scan was obtained, the company set out to use 3D modeling software to reconstruct the car head to make it suitable for additive manufacturing.
In the design phase of the process, 3DnA used Materialise’s Magics software. Using Magics, the team can optimize the metal printing process according to the direction and the best support to ensure success in the printing stage.
3DnA was produced in the recently renovated Pomigliano d’Arco factory3D printingTrolley head. Here, it uses two different printing systems to manufacture the metal and plastic parts required by the car head.For aluminum components, Germany was chosen3D printingSLM500 machine from machine manufacturer SLM Solutions.At the same time, deployment from3D printingMachine manufacturer Stratasys’ Fortus F900 3D printingMachine to make plastic parts, these parts are made of the company’s ULTEM 9085 resin, which is a super polymer commonly used in the aerospace field.
In the summer of 2020, the Italian Transport Office produced, tested and delivered the prototype of the trolleybus. At present, two types of trolley buses have been redesigned and manufactured, dozens of which have been produced for the tram network.
Left: AlSi10Mg is printed on the head of the trolley. Right: Ultem (Stratasys) and AlSi10Mg are printed on the head of the trolley. The picture comes from 3DnA.
pass through3D printingRedesign
3D printingMore and more parts are being redesigned to fill gaps in the supply chain, reduce the delivery time of spare parts and reduce manufacturing costs.A successful example of recent success was during the Covid-19 pandemic, when3D printingThe company stepped in to keep production in multiple departments in the event of a supply chain failure.
Can deploy reverse engineering software and3D scanningTechnology to optimize3D printingParts, and has successfully achieved this in various applications in many fields.In the aerospace sector, Betatype, a developer of additive manufacturing software, assisted in the design and redesign of metals3D printingEngine housing,3D printingAluminum alloy heat exchanger and generator housing.At the same time, the U.S. Army Aviation and Missile Command (AMCOM) created a virtual 3D model of the UH-60L Black Hawk helicopter, hoping to redesign and3D printingParts that are no longer produced.
Digital twin technology is also being deployed to speed up part redesign time and speed3D printingProduction of components.These are digital blueprints of products, components or systems that reflect their physical counterparts, which can be used in the CAD/CAM process for rapid production3D printingComponents. Digital twin technology has always been an interesting research area in the production of manufacturing equipment during unforeseen operational interruptions, and has previously been used to increase productivity in the energy sector and aid in machine process development.
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