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Firstcut, the rapid CNC machining service from Proto Labs, has been used to produce a range of test equipment and devices used to ensure fairness at Porsche Cup races by making sure all teams and their cars adhere to the same technical specifications, conditions and rules.

Porsche is known for its strict controls for those competing in the Porsche Cup series. Based in Germany, Robert Magin is a full-time, professional, motor racing scrutineer and his company Romtec ensures that the rules and regulations for race cars are adhered to.

Immediately after each race, all parameters are checked. Magin said: ‘A race car has more than 50 sensors recording data, which we can read. Furthermore, we check, for example, the correct size and shape of the spoilers, take measurements of the wheels and tyres and take fuel samples.’

Magin needed to find a CNC machine shop that could machine his aluminium calipers and templates. When he approached one or two companies, he was disappointed with how long he would have to wait. Lead times of four months or more were the norm.

After creating the models for the required parts, Magin produced prototypes using a 3D printer. However, he found that the parts were almost always useless because they were not regular in shape. In his search for an alternative, he discovered the First Cut rapid CNC machining service from Proto Labs.

Key benefits of product application

  • Magin uploaded the 3D model on a Thursday and on the following Monday his finished parts, made using the production-intent material, arrived on his doorstep.
  • He described the Firstquote online quotation tool as ‘sensational’ as it allowed him to upload a 3D CAD model and receive a quote in a matter of hours — along with free design tips and suggestions directly related to his parts. If changes are made to the quantity or material of the parts, the new price is displayed immediately.
  • The Scrutinator box provides space for a complete PC workstation and all calipers, test equipment and tools required to allow a scrutineer to carry out his or her work.
  • Magin now produces all parts with the Firstcut service because the quality is always 100 per cent and the service provides good flexibility.

Proto Labs

Proto Labs delivers fully functional prototypes in production-intent materials to dramatically cut the cost and time normally associated with product development. This empowers designers and engineers with the means to rapidly develop, test, and get their products to market first in an ever-competitive global market place.

Proto Labs delivers fully functional prototypes in production-intent materials to dramatically cut the cost and time normally associated with product development. This empowers designers and engineers with the means to rapidly develop, test, and get their products to market first in an ever-competitive global market place.

Protomold delivers injection-moulded parts from moulds manufactured utilising state-of-the-art high-speed CNC machining technologies. Parts can be moulded using almost any engineering-grade resin and are ideal for prototyping, bridge tooling and low-volume production.

First Cut satisfies the need for functional prototypes much earlier in the development cycle for quantities of 1–10+. Because First Cut delivers prototypes in engineering-grade resins and aluminium they will have real material properties and improved surface finishes. In other words, they will be functional.

When you submit your 3D CAD model, Proto Labs’ powerful super-compute cluster creates an interactive quote giving pricing options and where appropriate, suggesting changes to improve manufacturability. You simply interact with your quote online, tailor options such as material and delivery to your requirements and with every change, the pricing information automatically updates. This built-in ‘what-if’ analysis enables last-minute project refinements to be accommodated at the click of a button.

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