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Plasma-treated solar car sets off at Australian World Championships

2016/3/25 18:16:29 source: this site read:




Colonial Palace is part of the Royal Museum of Tervuren. Against this background, the Punch Power Solar Team in Belgium showed its industrial vehicle and sponsors its "Punch One" solar vehicle in August. This is a car built with new technology and materials, which also uses plasma technology.

The Word Solar Challenge has a race distance of more than 3,000 km, crosses the Australian outback, and the temperature exceeds 40 ° C. It is the world's most difficult solar car rally. Leuven University's 16-member college student team is ready to take part in the unofficial electric car bidding race leaving the race in just a few weeks. The starter gun will ring in Darwin on October 18, 2015, at which point 47 teams from 25 countries are all on the theme of "energy efficiency".

"Punch One" is a masterpiece of aerodynamics – its smooth and rounded shape, excellent durability over long distances, and minimal energy consumption. The team designed and built the single-seater completely independently. The entire manufacturing process took only 15 months, and the entire vehicle was solely powered by solar energy.

University students at Punch Powertrain Solar Teams are performing plasma treatment and bonding reinforcement ribs.

Using plasma can not only ensure that the ribs adhere to the CFK surface in a very short time, but also reduce the weight of the solar car by nearly three kilograms.


Lightweight and low energy consumption, the maximum total weight of the Punch One is 165 kg, ten kilograms lighter than its predecessor, and 25 kilograms lighter than most competitors' cars. Although the motor, wheel suspension and control system have been reduced and a lot of weight, there is still a gap from the expected weight, which can only be compensated by a single body width of 1.72 meters and 4.50 meters. The body consists of CFK upper and lower shells. In order to avoid bending moments and distortion of the foundation structure, these shells need to strengthen the rib skeleton.

In previous generations, CFK multilayer prepreg slats have been used to secure the torsion-resistant elements on the inner surfaces of the two shells, these slats have weight. To save time and weight, the team decided to replace its complicated lamination process with a pure bonding process, while pre-treating the bonding surface with plasma. As a result, the work is not only greatly simplified, but also takes only a third of the time of the previous lamination process. What's more important: Thanks to the plasma bonding process, almost three kilograms of weight have been saved, and the Punch One ready to participate is now only 165 kilograms.

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