Hilite Germany Headquarters

About the object

Hilite International, headquartered in Bavaria, is a manufacturer of components for the automotive industry. The automotive supplier has focused its products on reducing fuel consumption and harmful emissions. The globally active company offers forward-looking quality products at a high technological level.





Building owner

Hilite Germany GmbH




Ritterwand GmbH & Co. KG Metall-Systembau

Pneumatic movement technology from Baier

For the clean room production of the company’s largest production site in Marktheidenfeld, an experienced metal builder was engaged to manufacture so-called “material locks”. Baier supplied 4 vertical sliding windows, 2 of which are connected together, for production under clean room conditions. The window system, made of non-insulated profiles, consists of two successive lifting windows. A conveyor system transports the product to be further processed to the so-called “clean room” or “ultra-clean room”. The first window opens and closes pneumatically when the module arrives in the cleanroom or workroom. Here inside, where the concentration of airborne particles is kept low, further processing can take place. The second vertical sliding window opens and closes when the module is to be transported to the next production step.

Essential for purity and quality

The lifting windows are thus controlled so that only one of them is open. This procedure is essential for the quality and purity of the highly sensitive components. The vertical sliding windows were individually planned according to the requirements of the production line and equipped with pneumatic cylinders due to the high cycle rates and the fast opening and closing mechanism. Pneumatic cylinders are particularly robust, less susceptible to faults and advantageous in demanding environmental conditions.

Baier ensures precision and process reliability

Baier contributed the complete pneumatic accessories such as standard cylinders, solenoid valves, maintenance pressure regulators, on-off valves, branch modules, pressure sensors, throttle valves and proximity switches for the required precision and process reliability. Baier supplied four light curtain presence detectors for monitoring the contactless opening and closing process of the windows.

The windows were installed in a partition wall system. An angular frame serves as the fastening, which at the same time compensates for the tolerance between the partition wall system and the window. The installation of all electrical and compressed air lines was included in the scope of delivery. The integration and control of all components in the production process was carried out by the on-site plant engineer.

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