33
SNIPE
U
Definition
U
: Snipe is generally an unwanted undercut in the stock. It generally occurs in
the first and last few inches of the stock length. It causes a different height
dimension than what was selected for the stock. No molder/planer can completely
eliminate snipe.
U
Causes
U
:
1.
The stock may be cupped, warped, or twisted.
2.
The stock experiences a change in down pressure as the out-feed roller engages
the stock, and when the stock disengages the in-feed roller.
3.
The stock may enter or exit the machine on an angle because it is either being fed
from a higher or lower source than the bed, or it is exiting to a higher or lower
plane.
U
To minimize snipe
U
1.
Use slightly longer stock than originally intended so as to allow a discard area of
stock.
2.
Use a jointer to flatten cupped, warped, or twisted stock.
3.
Butt stock pieces tight end to end.
4.
Put a slight upward pressure on the exposed end of the stock during both the in-
feed and out-feed stroke.
