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An unbeatable combination

With the FZG, Zimmermann introduces a portal milling machine with a low rail gantry

With the new machine line FZG, Zimmermann has added a 5-axis portal milling machine with a low rail gantry to their portfolio, which is well-suited to process particularly long components. Accessible from the side, the FZG allows easier loading and unloading processes. The developers were utilizing the well-proven thermo-symmetrical portal concept and modified its basic design, resulting in a distinct benefit. With the FZG, the user will receive a stable system which provides the highest precision, even when processing large and long components.

 “Especially in future-oriented industries such as the aerospace, energy or rail sector, producers must be able to efficiently process large and, above all, particularly long components. We have recently received many more requests with these exact requirements,” reports Daniel Demlang, technical leader at Zimmermann. To meet the needs of the market, the machine manufacturer developed this new machine series, the FZG, in line with customer specifications. For this line of machines, the engineers relied on the innovative concept of the thermo-symmetrical design, which has already proven its worth with the Zimmermann machine lines FZP and FZU. However, the engineers redesigned its base structure. “We lowered the machine onto ground level, enabling the portal to be moved horizontally in almost any desired length,” explains Mr. Demlang. Zimmerman can adjust this design for any custom application. Therefore, the line is suited for processing complete components, such as wing structures for the aviation industry, entire railway wagon side sections for the rail sector, tanks in the energy sector, exterior components for the aerospace industry as well as components for the defense industry.

With the new FZG machine line by Zimmermann, large and long components can be manufactured with highest precision.

The proven modular system from Zimmermann acts as the base structure of the new FZG line. It offers many different length and height variants as well as extensive equipment options, such as process cooling with minimum quantity, lubrication or an onboard movable vacuum dust extraction system for abrasive materials and plastics. An onboard movable tool changer is standard. The energy supply and covers are recessed into the floor.

“The thermo-symmetrical design makes the machine less vulnerable in adverse environmental conditions,” continues Cornelius Kiesel, president of Zimmermann in America. The idea behind this is that incurring thermal influences can be substantially absorbed by the machine structure itself. “To achieve this, we appropriately designed and intelligently arranged all structural and drive unit components, guides and other components responsible for accuracy, for all the machines in our extended portfolio. This way, the structure can expand in non-critical directions,” says Kiesel. The centrally guided Z-slide of the portal in double-bridge construction makes the machine particularly stable. By using this design, Zimmermann achieves very high rigidity. Since there isn’t any possibility of one-sided temperature rise, accuracy is greatly increased, thus making the machine line suitable for very high-precision applications.

“For us, this combination of thermo-symmetrical machine design and the modified base structure was a logical next step,” says Mr. Demlang. Because the core machine relies on proven technology, this development was possible in a relatively short timeframe. Additionally, the synergetic benefits of the FZG, due to the existing portfolio, also have a positive impact on the profitability of the machine.


About the company

Zimmermann is based in Germany and is a leading global high-tech supplier of portal milling machines. These are characterized by huge workspaces, substantial machining dynamics and cutting performance. The company, founded in 1933 by Friedrich Zimmermann, now has over 200 employees worldwide. With its product range, our innovative company has one goal above all: to offer the right solution for our customers and thus be able to guarantee high economic efficiency. “Quality made in Germany and supported locally” is our motto. The company’s special machines are used worldwide in the automotive, aerospace, moldmaking, transportation, off-highway and mechanical engineering sectors. The company has its North American headquarters in Wixom, Michigan, near Detroit, where it operates a full tech center, offering engineering assistance, commissioning, parts and retrofit services, as well as multiple machines for demonstration purposes. Zimmermann Inc. is headed by President Cornelius Kiesel.

For more information, please contact:

ZIMMERMANN INC.
30587 Century Drive
Wixom, MI 48393
Phone: 248-956-8511
www.zimmermann-inc.com
Ms. Lena Kiesel, Marketing Manager
lena@zimmermann-inc.com