Production accelerated, costs reduced Volkswagen is accelerating the quality assurance of engine production by using ZEISS DuraMax.

Monitoring equipment, plug gauges and slide gauges – at the engine factory of Volkswagen Sachsen GmbH in Chemnitz, Germany, these tools for elaborate manual measurements are a thing of the past. Today, small and robust coordinate measuring machines from ZEISS are used for quality inspection in production. They can be flexibly adapted to new products and generations, thus enabling considerable savings. At the same time, the measuring machines quickly deliver precise, detailed results.

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How VW succeeds with ZEISS Solutions:

ZEISS DuraMax

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Success:

Up to 70 percent reduction in investment costs
Improved measuring results

Volkswagen accelerates quality inspection in engine production

The challenge: measure flexibly on the shop floor

The factory conducts random measurements during production to ensure the quality of the engine parts. Until now, there has not been a coordinate measuring machine small and robust enough to inspect the form and dimension of the parts directly next to the machines. Operators used monitoring equipment and other hand-held tools. This meant replacing or converting the measuring instruments with every new product generation or variation. Furthermore, the process was time consuming and susceptible to errors as the results depended on the experience and performance of the user.

The challenge was to find a flexible replacement for the gauges that could also be used directly in a production environment.

At the Chemnitz engine factory of Volkswagen Sachsen GmbH, flexibly programmable ZEISS DuraMax 3D coordinate measuring machines are used for random sample measurements on the shop floor

Solution: small, robust coordinate measuring machine

Today, flexible, programmable ZEISS DuraMax 3D coordinate measuring machines are used for the in-process random measurements. This enables Volkswagen Sachsen to support the production of all key engine parts.

However, it was only with the launch of the small and robust DuraMax that it was possible for the engine factory in Chemnitz to take coordinate measuring technology directly to the measuring stations on the shop floor. The system has a footprint of just about one square meter. Furthermore, ZEISS DuraMax works at temperatures between 18 and 35 degrees Celsius, is insensitive to dirt and requires nothing more than a power plug.

"A measuring machine like DuraMax fully meets our demands."
says Matthias Kurth who is responsible for tool and measuring technology planning at the Chemnitz engine factory of Volkswagen Sachsen GmbH.

Benefit: faster and more accurate measurements

The greatest benefit that DuraMax brings to the Chemnitz engine factory: instead of several different tools, only one measuring machine is required which can be adjusted as needed for a new part or engine generation in just a few steps.

Furthermore, the measuring results are more detailed, accurate and reliable than before, and can be better compared to the results from the measuring lab. The Chemnitz engine factory now uses 14 DuraMax machines in its production facilities. "This has enabled us to reduce our costs," states Kurth.

About VW

Headquartered in Wolfsburg, Germany, Volkswagen is one of the world's leading car makers. Process and product quality are among the company's most important goals. The Chemnitz engine factory of Volkswagen Sachsen GmbH is a pioneer in the use of flexible measuring technology directly on the shop floor. The 1150 employees in Chemnitz produce around 3000 four-cylinder gas and diesel engines daily, and 4000 balancer transmissions.

Customer Stories 3 Jul 2018

Experience Metrology

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Experience Metrology

Volkswagen accelerates quality inspection in engine production

The challenge: measure flexibly on the shop floor

Solution: small, robust coordinate measuring machine

Benefit: faster and more accurate measurements