Arab Today, arab today tools from 3d printer make car manufacturing easier at opel
Last Updated : GMT 06:51:35
Arab Today, arab today
Arab Today, arab today

Tools from 3D printer make car manufacturing easier at Opel

Arab Today, arab today

Arab Today, arab today Tools from 3D printer make car manufacturing easier at Opel

3D Printer
Rüsselsheim - Arab Today

For some, it may still seem like a long way off, but it’s already part of everyday life at Opel: assembly tools produced by a 3D printer are an increasingly important part of the production process. A six-strong team led by Virtual Simulation Engineer Sascha Holl prints plastic assembly tools in Rüsselsheim which are used in Opel manufacturing plants across Europe. Cheaper and quicker to produce, these tools are being used at Eisenach for the assembly of the ADAM and its new ADAM ROCKS stable-mate. And this is just the beginning – Opel experts predict the use of tools from a 3D printer will continue to grow. “In the future, more and more 3D assembly tools will be integrated into the production process,” says Sascha Holl.
For production of the ADAM ROCKS, to be launched in September, the Eisenach carmakers use an assembly jig – a specific, fixed frame – made by a 3D printer to produce the vehicle name logotype on the side window. And for the windshield, a 3D-printed inlet guide is also used to simplify the mounting process and help ensure a precise alignment. Other tools from the printer are used to fasten the chrome step plate on ADAM ROCKS door openings and install the standard Swing Top canvas roof. Around 40 such assembly aids and jigs are used in Eisenach.
This equipment was developed on the computer during the development phase of ADAM ROCKS. “It enables us to quickly adapt the parts. If something changes on the vehicle, we can easily modify the tool with just a few clicks,” explains Holl. “The 3D printing process enables us to produce every imaginable form and shape. Unlike conventional manufacturing technology, we don’t have to accept any limitations.”
The Virtual Engineering Team in Rüsselsheim only has to reach into their bag of tricks when it comes to the maximum size of parts built. Using sophisticated technology to join a number of smaller elements, it is possible to produce larger parts. For instance, when developing an assembly aid for the side sill or the rear spoiler of ADAM ROCKS.
During 3D printing, plastic is melted and laid down in successive layers, each just 0.25 mm thick. The plastic used is light, robust and versatile. Hollow spaces and overhangs are automatically treated with a filling material, which is later washed away in a type of dishwasher. “The process is comparable to bridge or balustrade construction,” says Holl. “There high or protruding elements must also be shored up and supported until everything has hardened off. Only then is the supporting framework removed.”
The small number of jigs required in final assembly was previously made by hand in an elaborate process using a milled cast and resin. Thanks to 3D printing, the production cost of these aids is now reduced by up to 90 percent. In addition, the printed tools are ready to use after just about eight hours, and are up to 70 percent lighter in weight. Another advantage is that these aids can be mechanically and chemically processed. For example, they can be drilled, milled, sanded, varnished and bonded, or connected and combined with various other materials. Ergonomic fine-tuning can also be carried out on a PC in a matter of minutes. “We can adapt the tools for each assembly situation, as well as make them user-friendly for our colleagues on the line,” adds Holl.
Production of the Opel Insignia and Cascada convertible also benefits from 3D printer tools, which will be introduced step-by-step for the assembly of other Opel models. The new Corsa, Vivaro and Mokka, which will begin rolling off the assembly lines in Zaragoza later this year, will be among models built with the help of tools from a 3D printer. Their increasing use makes Opel a leader in this field within the GM Group.
Source: Opel

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