Rohde & Schwarz - Teisnach
Case Study Rohde & Schwarz - Teisnach

On the same wavelength: The Rohde & Schwarz factory at Teisnach opts for one software for all 3D measuring devices.

Rohde & Schwarz supplies mechanical components and complete systems for radio and transmitter technology. Their portfolio ranges from small switches used in satellites to radio sets for military aircraft through to mobile transmitter stations for radio and TV. In terms of quality assurance, the company relies on a whole range of measuring systems. These are all handled on the same wavelength with the PC-DMIS software.

At their factory in Teisnach, Rohde & Schwarz carry out cutting and non-cutting processes, surface treatment, printed circuit production, tool making and other processes. The company is able to meet customers’ requirements quickly and flexibly on the basis of this extensive production depth. Hexagon Metrology’s 3D coordinate metrology is essential for the release of initial samples, for optimising processes in ongoing quality assurance during production and for the final approval of products.

These instruments can be found in the measuring rooms at Rohde & Schwarz: Optiv Performance, an optical system for printed circuit board production, Optiv Reference, a multi-sensory device used in precision manufacture, and tactile coordinate measuring instruments such as DEA GLOBAL or Leitz PMM-C. The Teisnach factory even boasts a portable ROMER measuring arm to ensure that products reach as close to perfection as possible.

PC-DMIS: common denominator
All these devices are handled by the PC-DMIS software, which is used to compare the effective measured data from all Hexagon Metrology measuring devices with the CAD model. Not only does this save training expenses, but it also stops these machines from becoming bottlenecks: when work piles up, users can simply switch to another measuring device. “We were very clear on our objective. We wanted to deal with just one software environment. At that point in time, only Hexagon Metrology was in the position to meet this requirement”, confirms Gerhard Kokott, Head of Decentralised Quality Management.

With the help of the additional offline function, the metrology engineers can start producing their programs as soon as the production of the first development parts commences. Since then, it has been possible to reduce the throughput time of parts by up to 30 percent. “We can now use CAD data right from the beginning and work with measuring programs throughout the entire CAD/CAM chain”, says Karl-Heinz Stieglbauer of Decentralised Quality Control...

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