Sauber Engineering AG，历史赛车团队的一个部门索伯集团, has告诉金属AMthat it intends to establish a 3D printing business for producing on-demand classic car spare parts.
索伯工程利用一级方程式赛车从28年开始获得的知识，现在正在寻求建立一项服务，该服务旨在为遗产车提供反向工程和印刷备件。这项新事业旨在满足老式汽车爱好者的需求，他们的珍贵财产需要维修，但不再依靠本地供应商的售后支持。
“在索伯，我们对汽车工程有丰富的知识和了解，” Sauber Engineering技术与创新总监Christoph Hansen说。“将其与我们在AM中获得高性能F1组件的经验融合在一起，我们可以为历史悠久的车辆部门提供独特的东西 - 一种一站式服务，以取代损坏或损坏的组件，否则这意味着该车的终结。”
“We can now offer the classic car owner a range of options, from simple plastic covers up to complete gearbox housings or engine parts.”
索伯的赛车遗产
自1970年成立以来，索伯（Sauber）建立了赛车成功的传奇历史，在其中，它将银箭的名字带回了赛道，并赢得了24小时的勒芒（Le Mans）。自1993年以来，索伯（Sauber）的F1团队也一直不断参加这项运动，在此过程中带回家865分，并且继续在这项运动下进行比赛阿尔法·罗密欧赛车Orlen横幅至今。
在过去的三年中，索伯与阿尔法·罗密欧（Alfa Romeo）已经看到它稳步地将加法零件整合到其赛车中。在2020年，该团队的“ C39”版以143 3D印刷零件为特色，但现在在本赛季的“ C41”中已将304升至304，这一过程估计将其成本降低了90％。
The components themselves were built usingAdditive Industries’Sauber Metal 3D打印能力中心的机器现在容纳13个系统，每年产生22,000个零件。利用其不断增长的AM功能，包括三个新的功能AM SolutionsS1后处理系统，Sauber现在正在寻求将其在其他地方的F1专业知识恢复，以恢复永恒的汽车经典。
Renovating an automotive classic
Ahead of the launch of its new service, which will offer clients everything from 3D printed covers to engine parts, Sauber has already been challenged with creating a gearbox housing for a classic Ferrari 340 America Barchetta. Fitted as standard to the car’s rear axle, the broken component could no longer be replaced due to its sheer rarity, while its age meant that its schematics couldn’t be sourced either.
“The gearbox was badly damaged and split across the casing,” explained Hansen. “Our only option was to reverse engineer the housing, which involved a full 3D scan of the structure and then optimization of the CAD file to produce a design that could be additively manufactured.”
During the reverse engineering process, Sauber Engineering’s team leveraged their wealth of automotive expertise to construct a re-designed gearbox, which not only featured the in-built tolerances needed for end-use functionality, but was ultimately capable of outperforming the original.
Built using an Additive Industries MetalFAB1 3D printer at Sauber Engineering’s Zürich facility, the resulting aluminium component took around five days to produce. Once printed, the part was subjected to post-processing and stringent testing, during which it proved to be both lighter and more durable than its authentic Ferrari-manufactured predecessor.
Sauber项目管理与销售主管Jonathan Herzog总结说：“我们与索伯新的历史悠久的汽车零件业务的目标是使这些旧的经典作品保持活力，并被用于其设计的目的。”“通过使用当今的技术，我们可以实现这一目标，确保这些重要而受欢迎的历史悠久的汽车不会消失。”
3D printing spares and repairs
逆向工程策略，数字化库存和3D打印的融合越来越多，可以重新设计和制造稀有或中断零件。2021年初求助announced that it was working withHP作为类似项目的一部分，添加剂制造备件对于某些日产的遗产跑车的Nismo线。
In the past, British restoration team,Redesign Sport还将3D扫描和CAD建模用于反向工程师经典法拉利。该公司利用Creaformdevice to scan parts of a vintage 1952 Ferrari 225 before outsourcing their production, and fitting them to the vehicle ready for its presentation at the古德伍德复兴节日。
在其他地方，类似的逆向工程策略已经由美国陆军航空和导弹司令部(AMCOM) to fully 3D model aUH-60L Black Hawk helicopter。通过创建数字双运输飞机，美国军队旨在设置数字零件目录的目的，而数字零件可以用作3D打印其一些更难源的组件的手段。
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Featured image shows a Ferrari 340 America Barchetta. Image via RM Sotheby’s.
