Wood Hardness
Note: The Janka Hardness Rating is expressed in
pounds of force required to embed a 0.444" steel
ball into the surface of the wood to a depth equal
to half the ball's diameter.
Species
Janka
Hardness
Figure 15.
Feed Rate
NOTICE
Only change the feed rate when the planer
is running, but DO NOT attempt to change
the feed rate during any cutting operations
or damage to the gearbox will result.
Figure 16
Figure 16.
