Classic Car 3d Printed Parts Agains the Law?
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Namely, producing extremely rare parts that are only needed in small quantities using 3D printers. All parts that are produced using the 3D printing process see the requirements in terms of accented fidelity to the original specifications – both from a technical and a visual perspective.
The Porsche Classic range currently includes some 52,000 parts. If a sure spare office is no longer in stock or stock is dwindling, it is reproduced using the original tools. For larger quantities, production may crave the use of new tools. Still, ensuring the supply of spare parts that are only required in very limited numbers sometimes poses a major challenge, even for the experts. Producing pocket-size batches using new tools would exist largely inefficient. Before embarking on a projection to produce a particular component, Porsche Classic e'er evaluates diverse manufacturing processes.
Additive manufacturing is an alternative
Equally the quality of "additive" manufacturing processes continues to improve with generally decreasing costs, this class of manufacturing presents an economic alternative for the product of small quantities. Say, for case, the release lever for the clutch on the Porsche 959 is no longer available. This component made from grey cast atomic number 26 is subject field to very high quality requirements, but is in very low need – not least considering only 292 of these super sports cars were ever produced.
The only manufacturing process worth considering would exist selective light amplification by stimulated emission of radiation melting. To manufacture the release lever, a layer of powdery tool steel less than 0.one millimetres thick is applied to a processing plate in a computerised procedure. In an inert atmosphere, a high-free energy light axle and so melts the pulverization in the desired locations to create a steel layer. Thus, the complete three-dimensional component is produced, layer by layer. Both the pressure test with a load of well-nigh three tonnes and the subsequent tomographic test for internal faults were passed by the printed release lever with flying colours. The practical tests with the lever installed in a test vehicle and all-encompassing driving tests confirm the impeccable quality and function of the component.
Printing steel and plastic
Due to the consistently positive results received to date, Porsche is currently manufacturing 8 other parts using 3D printing. The parts in question are steel and alloy parts produced using the selective laser melting procedure, and plastic components manufactured using an SLS printer. SLS stands for selective laser sintering, a procedure where the fabric is heated to merely beneath melting point and the remaining free energy is applied through a laser to fuse the plastic powder at a selected indicate. All parts are field of study to the quality requirements of the original production menses every bit a minimum, though they usually meet college standards. Accuracy in terms of size and fit is ensured by performing tests with the part installed. Depending on the expanse of application, plastic parts made of various materials as in the original must be resistant to oils, fuels, acids and lite.
Porsche Classic is currently testing whether 3D printing is suitable for the production of a further 20 components. The benefits: Three-dimensional design data or a 3D browse of the component is a sufficient basis to embark production. The components can exist produced on demand if needed, thereby eliminating tool and storage costs.
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Consumption information
Macan T
WLTP*
-
10.vii – x.1 l/100 km
-
242 – 229 g/km
NEDC*
-
8.viii – 8.7 l/100 km
-
200 g/km
Taycan Sports Sedan Models
WLTP*
-
0 one thousand/km
-
26.6 – 20.3 kWh/100 km
-
335 – 504 km
NEDC*
-
0 g/km
-
28.7 – 25.ix kWh/100 km
911 Carrera Models
WLTP*
-
11.4 – ten.1 50/100 km
-
259 – 229 one thousand/km
NEDC*
-
ten.6 – 9.4 l/100 km
-
242 – 215 g/km
718 Cayman models
WLTP*
-
13.2 – 8.nine l/100 km
-
299 – 201 g/km
NEDC*
-
12.iii – 8.one 50/100 km
-
281 – 185 m/km
© 2022 Dr. Ing. h.c. F. Porsche AG.
*Data determined in accord with the measurement method required by police. As of 1 September 2022 the Worldwide Harmonised Low-cal Vehicles Examination Procedure (WLTP) replaced the New European Driving Cycle (NEDC). Due to the more realistic test conditions, the fuel/electricity consumption and CO₂ emission values determined in accordance with the WLTP volition, in many cases, be higher than those determined in accordance with the NEDC.
Currently we are still obliged to provide the NEDC values, regardless of the type approving process used. The boosted reporting of the WLTP values is voluntary. As all new cars offered by Porsche are type approved in accordance with the WLTP, the NEDC values are therefore derived from the WLTP values. To the extent that the values are given every bit ranges, they practice non relate to a single, individual automobile and are non part of the offering. They are intended solely every bit a means of comparison different types of vehicles. Optional equipment and accessories (attachments, tyre formats etc.) can alter relevant vehicle parameters such as weight, rolling resistance and aerodynamics and, along with weather and traffic conditions and individual treatment, tin can bear on the fuel/electricity consumption, CO₂ emissions, range and operation figures of a machine.
Y'all tin can detect more than information on the deviation between WLTP and NEDC at www.porsche.com/wltp.
Further data on the official fuel consumption and official, specific CO₂ emissions of new rider cars is available in the "Guidelines on fuel consumption, CO₂ emissions and power consumption of new passenger cars" [Leitfaden über den Kraftstoffverbrauch, die CO₂-Emissionen und den Stromverbrauch neuer Personenkraftwagen], available free of charge from all sales outlets and from Deutsche Automobil Treuhand GmbH (DAT).
** Important information well-nigh the all-electric Porsche models can be constitute hither.
Source: https://newsroom.porsche.com/en/company/porsche-classic-3d-printer-spare-parts-sls-printer-production-cars-innovative-14816.html
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