A couple more questions just popped into my head.
1. When did you get your X-Carve? I wonder if you have one of the 24V spindles from the first batch they had.
2. Can you give more detail on the bit? I see it is a 1/8" double flute, but was it ball-end or flat? Straight flute, upcut, or downcut?
3. What material are you cutting into, and what depth of cut and speed were you using?
.063" is a pretty deep for the 24V spindle, especially if you're cutting into something somewhat dense or sticky.