Two types of aerospace tools are assembly tools and fabrication tools. Let’s take a quick look at each and how to use 3D measurement technology to make sure they function properly.
An assembly tool contains the part locating details that hold multiple components together so that they can be fastened to create the assembly. Various assembly tools can serve a range of functions. Typically, the first assembly tool is used to put the major components together, while subsequent tools locate frames, stringers, and other support structures for the part. The last tool positions the skin onto the final assembly, and the skin is then fastened to the frame.
When building a tool, a laser tracker is first used to get the frame structure in place. It is then used to set the details, making sure that the pins and pads are all in the correct locations. The laser tracker also allows for measurement directly against a CAD file when setting complex-shaped details.
A fabrication tool has the same locating details as an assembly tool, but it adds details with drill bushings and other structures to allow for part fabrication. In addition to what a laser tracker measures on an assembly tool, the measurements also confirm that the drill bushings and complex shape guides for routing or trimming parts are in the correct location.
After a tool is installed, the laser tracker is used to measure all the details and reference points to make sure they are correctly placed, and to establish a master reference system for future maintenance and inspection of the tool.
Read more about Laser Trackers
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