Questions You Should Know about Cross Car Beam Assembly

The cross car beam is the backbone of the instrument panel. From a structural perspective, the ends are mounted to the body walls and the firewall. This means there needs to be ample structural support for the steering column for both safety and driver comfort.

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Vibration control is a major element in the design of the cross car beam. If the steering column shakes, we associate it with a steering or a brake issue. That is, if the cross car beam is not flexing. Likewise, if the display screen on the dash or the center console is vibrating, customers would perceive the vehicle to be low quality. The major areas of focus on a cross-car beam are identified here:

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• Drive side main beam
• Steering column support knee bolsters 
• Steering hanger beam
• Instrument panel structure 
• Airbag mount glove box 

Reliable and precise tolerance compensation even with blind assembly

The bolting of the module crossmembers to the body poses a particular challenge &#; especially in the area of the frequency struts with the support towards the bulkhead, because assembly here is carried out from the engine compartment. In general, the screw points for fastening the module crossmembers are not fully visible, so there is no view whatsoever of the component. The two components have to be connected here by the so-called blind assembly.

The use of WITOL tolerance compensation elements enables a smooth blind compensation, ensures a precise and process-safe assembly and reliably compensates deviations at the screw points with tolerances. This optimizes the entire manufacturing process.

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