BMT Aerospace - Oostkamp
Case Study BMT Aerospace International, Oostkamp, Belgium

Flying high with more efficiency

BMT Aerospace benefits directly from the increase in air traffic volume. The order books of the Belgian producer of gears for aerospace applications are full. In order to cope with the amount of work, BMT Aerospace needed a fresh start in the measuring room.

Today, BMT Aerospace operates three international production facilities. And each of the facilities has found its own niche market. The factory in Oostkamp, Belgium, specialises in all sizes of pinions and sector gears. These are used for the mechanical actuation of the movable leading edge slats - whether in small regional jets or in the Airbus A380.

The average life expectancy of an aeroplane is about 20 to 30 years. It is absolutely imperative that these components function reliably as they are needed in every takeoff and landing manoeuvre. But with just one horizontal arm measuring machine and the increased order volume, BMT Aerospace was no longer able to cope with its tasks in the measuring room.

More efficiency was needed
„The old measuring machine was fitted with a turntable, and we had to measure the parts one after another, in sequence. Since we carry out 100% checks on the key characteristics and use the measuring machine normally for the initial type testing, during production and the final inspection, the time input was enormous“, reported Nico Strobbe, Measuring Technician at BMT Aerospace. When the search was on for a new solution it was therefore clear that greater efficiency was critical. Another important aspect was the fact that the tolerances of the pinions and sector gears are in the micron range. The new measuring solution had to comply with the exacting precision requirements.

Semi-automatic solutions
The right partner was found in Hexagon Metrology. Freddy Cherlet, Head of Quality Control at BMT Aerospace: „Our cooperation with Hexagon Metrology started back in 1998 with the purchase of a high-precision Leitz coordinate measuring machine. The next machine followed a few years later.“ At that time already, the measuring process was accelerated using pallets that were automatically transported to the measuring area of the machine via a loading system. As regards software, BMT Aerospace opted for QUINDOS. This software has a special option for measuring workpieces on pallets and is ideally suited for measuring gearwheels.

The pressure on the order books remained high. The...

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