After a long legal dispute over three judicial instances, the German Federal Supreme Court finally ruled on May 14, 2019 (BGH X ZR 95/18) that Hahlbrock may also manufacture and sell construction elements for radomes and erect radomes from them itself, as described in European patent 1 303 003 of G+H Kühllager- und Industriebau GmbH.

The radome, with a diameter of over 16 m, was manufactured with high precision from more than 60 spherical GRP sandwich components and was seamlessly assembled on schedule at the military site by an experienced assembly team and then mounted on the radar tower.

The new portal milling machine, whose main axis travels X-Y-Z are 3.00 – 2.00 – 1.25 m, is, like the machines already installed, an HSC milling machine for dry machining of fiber-reinforced plastics (FRP) of all types, as well as tooling and wood materials. In addition, aluminum can also be effectively machined under minimum quantity lubrication.

The fully enclosed machine room and a powerful multi-sided dust extraction system are further features of the Gamma-S that specifically optimize the precise NC machining of FRP and hybrid FRP materials with aluminum or titanium sheet inserts.

Like the other milling machines at Hahlbrock, the new machine works in the CAD-CAM network as well as with programs created on the workpiece using the teach-in process. The integrated wireless probe and the self-calibration cycles enable precise NC machining operations that are usually less precise for large HSC machining centers.

The three identical wings of the spatial sculpture seem to penetrate each other for the viewer and had to be executed as a multiply angled multi-part band. Due to the unique character and the very complex design, Hahlbrock opted for the GRP sandwich construction. In the process, approx. 100 mm thick rigid foam cores were sheathed on all sides with GFRP after the integration of interlocks and force introduction elements made of CFRP.

Especially at the joints of the wings, a high degree of surface stiffness and fitting accuracy was required in order to be able to join the three elements into an endless loop. The architects’ requirement for a largely iinvisible high-strength and reversible locking system for the sashes was also implemented. This was only possible through the consistent use of a digitally based production chain, starting with the differentiated CAD model of the GRP sandwich elements, through the milling, laminating and assembly jigs derived from this, to the CNC-supported milling of the multi-curved sandwich cores made of various rigid foams. Hahlbrock was able to draw on the manufacturing experience of similar, geometrically not so complex, fiber composite sandwich molded parts.

The spatial sculpture “Virtual Tectonics” can be seen in Hamburg until the end of the IGS2013 in October. This is followed by transport to Stade and new assembly on the premises of CFK Nord, the research center for CFRP technology in CFK Valley Stade.

More from BAT: www.carbonic-design.de

The ship is currently docked in building dock 1 at the Meyer Werft shipyard in Papenburg. There took place the installation of the seventh Shadow Roof on deck 14 from 26 November to 29 November 2012. According to Meyer Werft, the AIDAstella will be delivered to AIDACruises in spring 2013. The maiden voyage will depart from Warnemünde via Denmark, Norway, England and France, among other places, from 17.03. to 28.03.2013. (indication AIDA)

With 14 decks, the new club ship is also equal in size to its sister ships AIDAdiva, AIDAbella, AIDAluna, AIDAblu, AIDAsol and AIDAmar. The AIDAstella has a length of 253.3 meters and a width of 32.2 meters. Four diesel engines power the cruise ship with 50,000 hp and enable a cruising speed of 23 knots.

On behalf of Volkswagen Group of America, the German agency cebra designed new sets for national and international US automotive trade shows. Each of the 16 sets consists of presentation frame, back wall, light pole, counter, seating and special presentation areas.

All elements should be designed so that they can be used repeatedly and for years and, according to the specifics of American trade shows, can be installed by assembly personnel without special knowledge of the material. They should also have a low transport weight, be of high workmanship quality and be able to be reworked in the USA.

Hahlbrock was commissioned to produce the central design element of a set, the large-format “frame” with the integrated 9 m spanning “inlay”, as well as several seating areas for the prototype set. The aim of the prototype was to create a basis or sample in Germany for the tendering of the entire sets for the North American region that meet the above requirements.

We designed the frame as a self-supporting, lightweight construction. It consists of four individual components, which are joined together reversibly and frictionally by means of screw connections. The frame components consist of a sandwich structure with cover layers of glass-fiber-reinforced plastic and a core of rigid PUR foam. The open surfaces facing inward in the frame will later be covered by inlaid wooden panels covered with leather. The frame is given cross ribs for stiffening purposes.

To accommodate the inlay, circumferential steel profiles are laminated on the inside of the side panels at a height of approx. one meter. The inlay was also made from a lightweight GRP sandwich construction. All visible surfaces are smooth, with no markings of reinforcements, ribs or inserts, and are painted to a high quality in RAL 9016 satin. The seat elements with removable leatherette-covered lid were also made of GRP.

The first official assembly of the prototype took place in Wolfsburg in cooperation with the Maedebach company. Afterwards, the entire prototype set – well packed in large-format crates – was transported to America to be set up by the American trade fair construction company EWI for the next presentation. Meanwhile, the set we made is also used in the actual exhibitions.

The consortium of Imtec, Hahlbrock and VSimulation has created the comprehensive technology upgrade of the ULTIMATE driving simulator, which Renault has been operating at its vehicle research center in Guyancourt near Paris since 2006.

Based on an existing motion system (hydraulic hexapod with additional linear axes), the vehicle cabin, the imaging system with software, the actuator technology and the projection surface were renewed. The scope, performance and dynamics of the system have been significantly expanded in the process.

Hahlbrock supplied the screen in fiber composite construction, which was enlarged to a projection angle of 200°. For this purpose, a one-piece cylinder and cone surface was manufactured from a high-strength glass fiber sandwich material. The manufacturing process incorporated the experience in processing advanced prepreg materials gained in previous mega-yacht building projects. Due to the weight restriction of the existing hexapod and the required dynamics of the simulator, a very light and yet torsionally stiff construction was needed, which at the same time forms a projection screen without anchors and with uniform curvature.