Arriving safely at your destination

Bihler technology has been an established part of the automotive industry for more than 60 years. Stamped and formed parts as well as assemblies manufactured using Bihler machines offer drivers maximum safety and driving comfort irrespective of whether they are driving on paved roads or off-road.

The close alliance started with the production of relatively simple stamped and formed components such as oil dipsticks or springs for headlights and gas caps. Today, complete oil filters, spark plugs, windshield wipers, seat adjusters and many more play a key role in the product portfolio of many automotive suppliers.

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Safely to your destination

The Electronic Stability Program (ESP) detects an impending instability of a vehicle. It intervenes instantly, ensuring that the vehicle remains easier to control for the driver and does not start skidding. Similar to an ABS system, the ESP system also operates using valves which must be controlled precisely and reliably.

This is ensured by the coil assembly that can be efficiently manufactured on a BIMERIC servo production and assembly system – from feeding all the components to the finished products on pallets. The cycle time is 1.5 seconds per component. The retooling from one version to another is completed in mere minutes.


Safety in a collision

In the event of a collision, head restraints ensure that the heads of the vehicle’s occupants are not flung backward. The correct adjustment of the head restraint is particularly important. It must be adjusted so that its top edge is level with the crown of the head. The height is adjusted using the tubes of the head restraint. These tubes are manufactured to perfection with different lengths, notches and angles on a BIMERIC BM 4500 servo production and assembly system – at a speed of 40 parts per minute and monitored by numerous integrated inspection stations.

The manufacturing process includes the feeding of the tube parts, the inspection of the tube lengths, weld seam recognition and the alignment of the different parts. This is followed by cutting and stamping at the various stations, laser marking, the radial riveting of the pipe end, and the bending process. During these operations, the system’s 44 NC axes guarantee that it is possible to switch between variants in a period of 15 to 60 minutes.


Reliable support

The correct height adjustment of head restraints is crucial for safety. This is done by pulling the restraint out from the seat until its top edge is at the same height as the top of the passenger’s head. The two shafts of the head restraint have notches at regular intervals. These engage with detent mechanisms in the back of the seat, where they are kept at the correct height with locking bars.

These metal parts are successfully produced on a GRM 80E stamping and forming machine – at an output rate of 100 units per minute. In day-to-day practice, the benefits of the compact manufacturing system lie in the easy accessibility of the tools and the optimum arrangement of the bending dies in the linear tool. Each bend can be set separately, and the various processing steps are clearly assigned. This ensures ultra-precise components and very long tool service life.


Reliable power connections

The car's engine relies on a battery to power the starter motor as well as components like the engine control unit, fuel injection system, ignition coil or glow plugs. It also keeps things like the clock, radio and hazard warning lights powered when the engine is not running. The power passes from the battery’s terminals, through battery terminal clamps, to the vehicle’s wiring system.

Terminal clamps like this are made in a modular BZ processing center. Its open design places almost no constraints on how processing units needed in a manufacturing process can be integrated. The high-quality precision battery terminal clamps require a range of steps (specifically, punching, bending, stamping, assembly and feeding) to be performed on a single system. The output rate runs to around 150 parts per minute. The BZ processing center combines this kind of high processing speed with exceptional precision while minimizing offcut and scrap.