Corvaglia - Eschlikon
Case Study Corvaglia - Eschlikon

Anything but a bottleneck coordinate metrology in toolmaking

The Corvaglia Group based in Eschlikon in eastern Switzerland is a top performer in every sense. The company is a specialist manufacturer of inexpensive caps and closures for PET bottles. Along with plastic injection moulding, toolmaking has a major role to play at Corvaglia. To avoid toolmaking becoming a bottleneck, Corvaglia calls upon technology from Hexagon Metrology: the team uses a DEA GLOBAL coordinate measuring machine with PC-DMIS software for presetting. The advantage: the electrical discharge machining (EDM) equipment can run non-stop as the operatives set-up the parts away from the machines.

A piece of Corvaglia know-how is present in one in every five PET bottles worldwide: they have a closure that was manufactured with a Corvaglia tool. Romeo Corvaglia founded the company in 1991. Then the company only involved itself with the design of closures and injection moulds. Taking over the mould manufacturer Kellenberger AG 1997 was the final step to becoming a full-service provider of PET closures.

 

The portfolio: a nice piece of work
The company has successively extended its knowledge in this field. Today Corvaglia offers a complete portfolio of products and services centred on plastic closures: starting with the design, development and toolmaking through injection moulding all the way to providing the associated services. “Our strategy is to offer the customer everything in the field of PET closures from the bottom up,” says Peter Kistler, Production Manager at Corvaglia Mould AG. “We even influence the design of the bottle necks with our development work. We are continuously striving to make the production of closures even more cost-effective, e.g. by designing the closures in such a way that they require less plastic for production...

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