ZEI DuraMax HTG: Precise Measurements Even in Extreme Temperatures

OBERKOCHEN/Germany, 15.06.2015.

The ZEISS DuraMax HTG coordinate measuring machine, an enhancement to the standard model, is now even more insensitive to mechanical vibrations and temperature fluctuations. These properties make it ideal for use in a production environment now at temperatures from 15-40 C.

"Even in moderate climates, it is not uncommon for the temperatures in production halls to exceed 30 C," says Johannes M hrle, Product Manager at ZEISS. Increasingly compact, modern production lines equipped with heat-generating machine tools contribute to room heating. However, limitations in air conditioning can also falsify the measured values on a coordinate measuring machine, e.g. as a result of gust-like air flows. Because heat and temperature fluctuations can impair the accuracy of measuring machines, quality assurance is faced with additional challenges.

Improving air conditioning is one solution, but operating and maintaining such systems is expensive. "This is what led us to enhance our ZEISS DuraMax compact coordinate measuring machine," states M hrle. The machine works as reliably as before at a temperature range that has more than doubled: ZEISS DuraMax High Temperature & Gradients (HTG) delivers accuracy down to 3.2 m at ambient temperatures of 15-40 C. ZEISS was able to not only increase the temperature range at which this machine can achieve this high accuracy, it also lifted the maximum permissible fluctuations over an hour and over a day. The measuring machine now operates flawlessly under temperature changes up to 50 percent per hour and 100 percent per day without compromising the measurement quality.

Reliable measuring results

This high precision was made possible even at these temperatures and fluctuations by the use of new, high-quality components. Developers insulated the Z axis of the machine with a hood. To further reduce the influence of temperatures, they equipped the basic body of the measuring machine with a reflecting stainless steel cover and special insulation. "The greater temperature resistance means a clear reduction of operating costs compared to air conditioning or a measuring lab near production all this with more reliable measured values," summarizes M hrle. As a result, ZEISS DuraMax HTG is particularly well-suited for precise measurement in non-air conditioned production halls.

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ZEISS has more than doubled the temperature range of DuraMax HTG

Martin Fischer

Carl Zeiss IMT GmbH

Phone: +49 7364 20-2144

Fax: +49 7364 20-4657

martin.fischer@zeiss.com

About ZEISS

ZEISS is an internationally leading technology enterprise operating in the optics and optoelectronics industries. ZEISS develops and distributes lithography optics, measuring technology, microscopes, medical technology, eyeglass lenses, camera and cine lenses, binoculars and planetarium technology. With its solutions, the company constantly advances the world of optics and helps shape technological progress. The company is divided up into the six business groups Industrial Metrology, Microscopy, Medical Technology, Vision Care, Consumer Optics and Semiconductor Manufacturing Technology. ZEISS is represented in over 40 countries with around 30 production sites, over 50 sales and service locations and about 25 research and development facilities. In fiscal year 2013/14 the company generated revenue approximating 4.3 billion euros with just under 25,000 employees. Founded in 1846 in Jena, the company is headquartered in Oberkochen, Germany. Carl Zeiss AG is the strategic management holding company that manages the ZEISS Group. The company is wholly owned by the Carl Zeiss Stiftung (Carl Zeiss Foundation).

Industrial Metrology

The Industrial Metrology business group is a leading manufacturer of multidimensional metrology solutions. These include coordinate measuring machines and metrology software for the automotive, aircraft, mechanical engineering and plastics industries. The company additionally offers a broad spectrum of customer services. Around 2,700 employees work for the business group, which generated revenues totaling EUR 561 million in fiscal year 2013/14. The Industrial Metrology business group is headquartered in Oberkochen. It operates manufacturing sites in Germany, the USA, China and India.

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