stacking wheels ?

[shine]

hello all,just wonder if when stacking wheels on a shaft and their not in perfect alignment with each other can this cause small ripples on the work piece?is there room to play + or - a little bit?
using two 8in loose cotton wheels at this stage,and one is sitting just a bit
higher than the other on the outer edges.
any input would be great,thanks.

[whistule]

Usually I find the 2 wheels come into alignment through the processes of raking and polishing.

[shine]

makes sense,thanks