MM10 Digital Measurement System
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Despite the increased use of composite materials and adhesives in aircraft,
the majority of aircraft parts are still held together with rivet-type fasteners.
To install a fastener, a riveting machine drills a hole in the workpieces to be secured. The hole is countersunk and a fastener is placed in the hole, the head of the fasteners are then ground to give a flat surface finish.
To ensure a quality joint, it is important that the fastener be placed at the proper depth in the workpiece. If the countersink is too deep, the rivet joint ultimately created could be weakened and subject to corrosion. If the countersink is too shallow, the head can create aerodynamic drag.
To reduce the risk of error AAI Aerospace have developed the MM10 unit.
The MM10 records the fastener head deviation from the aerostructure skin surface and performs statistical and mathematical calculations on the resulting data. The information is used to adjust the settings on riviting equipment and can be downloaded for quality assurance purposes.
The MM10 communicates with a range of gauge types via a standard RS232 communications link and can be linked to any digital gauge with an RS232 communications port. (Software modifications may be required).
MM10 Digital Measurement System