Reishauer - Wallisellen
Reishauer - Wallisellen

Leitz CMMs have been ensuring the accuracy of gear grinding machines for decades

When Renato Righes speaks about his work as QS Engineer at Reishauer AG in Wallisellen (Switzerland), you can sense that every decimal place of a micrometer reading counts in this company. For only if the accuracy of the Reishauer gear grinding machines is guaranteed to the last detail can the gear wheels ground on these machines perform their job reliably and precisely. Whether in the gearbox of a car, heavy goods vehicle or in a rotary printing machine.

To ensure nothing grinds to a halt, the Metrology Team at Reishauer make good use of two highly accurate Leitz coordinate measuring machines: a Leitz PMM-C Ultra in the climatised inspection room and a Leitz PMM-C that stands directly between grinding machines.

For Reishauer, a company with a long tradition in the industry, everything revolves around the gear wheel. In addition to diamond and CBN tools, it is above all in the manufacture of gear grinding machines that the company came to the fore. Teeth on gears with a diameter of 150 to 1000 millimetres are given their final grind on the precisely operating Reishauer machines. The logical consequence: the inner workings of the grinding machines run as smoothly as clockwork. At the Wallisellen factory in Zurich, the various departments such as design and development, electronics, parts manufacturing and assembly are set up to satisfy the highest quality requirements. And quality assurance above all. The Quality Assurance Department has relied on Leitz for the inspection of machine components for over 20 years.

A change of generation…
With approximately 11,000 measuring devices – from small callipers and gear measuring machines right up to 3D coordinate measuring machines – Reishauer is in full control of the quality of its products. Renato Righes says about the development of metrology at Reishauer: “It all began with length measuring machines and measuring microscopes. But that was still the 1980s. Up to then we measured everything in separate . . . . .

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