Jp,
Ive been shooting the heck out of my axis, and the only vanes that have come off are the ones that Ive torn off by other arrows at the target. Ive refletched my own arrows, but the original vanes were put on by my local shop.
The arrow surface must be clean and LIGHTLY roughed up, then glue them on (with a jig of course). I like to place a drop of glue at both ends of the vane, to prevent accidental tear offs should the arrow pass through the target.
I dont think your vanes and arrow surfaces were properly prepared prior to gluing.. or his glue has gone bad..
kb