Notes on Good Riveting -- Riveting with a Partner

There are places on RVs which cannot easily be riveted by one person. Main wing skins are a good example. This becomes a two-person operation, with one bucking and one riveting. The principles of good riveting are exactly the same, the only variable introduced is the co-ordination of two workers (and the advantage of two extra hands). As the partners cannot see what the other is doing, a system of verbal signals is used to direct operations. One which works is:

1.The riveter inserts a rivet into the prepared hole; positions the gun for setting and calls, "ready".

2.The bucker positions the bucking bar over the rivet tail and, if its position is correct, will call, "go". If the rivet is in an awkward position the bucker may want to slide the rivet out and in to determine its point of balance (as above).  He/she will call, "out" while pushing the rivet out toward the riveter until the bar comes to rest on the aluminium. To reposition the rivet for setting the bucker will call, "in".

3.The riveter will firmly push the gun against the work and may also use the other hand to press the set against the work, if it is of the flush swivel type (see below). As the rivet re-seats this force pushes the bucking bar back into position.  If the  bucker is satisfied with the orientation of the bucking bar the call "go" is given.

4.The riveter then drives the rivet for a time determined by experience or a test piece. This interval is usually less than a second and is best remembered as a musical phrase, such as a drum roll.

5.The bucker will check the tail for quality and will call "next" if all is well and the pair can move on the the next rivet or "again" if the rivet needs a bit more driving or "remove" if the rivet is not acceptable. The riveter marks the rivet for later removal with a felt pen.




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