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igus® Vietnam Company Limited

1/7 Huynh Lan Khanh Street, Ward 2

District Tan Binh, HCM City, Vietnam

+84 28 3636 4189

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Dirt-resistant igus linear system displays wins in long jump22/06/2019

Results in athletics can be confusing for the viewer. Whilst in football it is clear when the ball is in the goal, it is not immediately apparent in the long jump whether the jumper has set a new record. Virtual lines help the audience on TV, but are not visible in the stadium. Armin Margreiter therefore devised a new solution for his certified mobile athletics system. The former national coach of the Austrian long jumpers, together with the laser projection expert MediaLas, developed a system that projects the furthest jump distance in the sand. It consists of three laser diodes, which are aimed at the pit and produce a visible line even in direct sunlight. To move the laser diodes, the developers needed a drive unit that can move to positions over a range of 3 to 12 metres. The system should also be easy to transport. Therefore, the decision was made to use a sliding, lubrication-free and maintenance-free drylin linear system from igus on which the laser moves. It consists of lightweight high-performance plastic and aluminium components that are very easy to transport and set up.

iglidur J200 defies sand and heat

Upon landing, long jumpers kick up a lot of sand, which settles in the surrounding area, even on the linear guidance system. Oils and greases, which are often used as lubricants, bind this dirt and lose their lubricity. This is why liners made of lubrication-free, high-performance polymer iglidur J200 from igus are used in the carriage of the linear guide. The bearing remains dry so that no sand can adhere to the bearing and it remains un-affected. The low coefficient of friction enables precise positioning, as demanded by the international IAAF athletics association. Both the rails made of aluminium and the liners are maintenance free and corrosion resistant with a very long service life, which can be calculated online. As a result, they can be used continuously even during long competitions. Armin Margreiter is convinced by igus: "The linear guides from igus have been in use on my systems for four years and still work without any problems."