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Des mesures coûteuses pour permettre à ces pompes de continuer à fonctionner ont été entreprises, y compris un changement de l'huile toutes les deux semaines. En 2009, Datwyler a signé un contrat de maintenance avec la société Busch, selon lequel cette dernière acceptait de réaliser un entretien tiers de l'équipement de vide.
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Consequently, a COBRA screw vacuum pump was subjected to extensive testing. These vacuum pumps operate without compression chamber fluids, which means there is no contact between the extracted vapour and any other medium in the vacuum pump. In addition, COBRA vacuum pumps run at a working temperature which allows vapour to pass through the pump without condensing. The COBRA test system proved to be highly satisfactory, so Alessandro Piccoli ordered two COBRA vacuum pumps to supply a line of six moulding machines. Both vacuum pumps incorporated Panda Roots vacuum pumps as boosters. This arrangement permitted the vacuum system to be installed away from the production buildings, with vacuum for the thermoforming machines supplied by a pipework system. An upstream vacuum reservoir ensures that the required vacuum level and pumping speed are constantly available. In 2012 two additional vacuum units were ordered and installed – also with COBRA fore pumps and Panda Roots booster pumps – to supply a complete line of twelve thermoforming machines. All the vacuum units are equipped with a fully automatic control system, which monitors the vacuum level and activates the minimum number of vacuum pumps required to meet the current demand from the twelve thermoforming machines. This means that all the vacuum pumps run only when the entire line is operating at maximum capacity. In everyday use, only three COBRA/Panda combinations are required.