Festool Plunge Router I Benutzerhandbuch

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Pre-cutting Dovetails and Keyways 
 
 
Dovetail and keyway cutters are inherently weak 
because the upper shank of the bit is smaller than 
the cutting edges. If the stress on the bit is too 
great, the cutting tip can break. To reduce the 
stress on the cutter, it is common practice to 
plough out the majority of the material with a 
straight bit. The depth of the straight bit should be 
slightly shallower than the depth of the final bit so 
the bottom of the profile remains square.  
 
Tips for Successful Routing 
Chipping and Tearout 
One of the most common problems woodworkers will encounter 
when using a router is chipping and tearout of the workpiece. 
The following tips can reduce the occurrence of chipping and 
tearout. 
► 
Take shallower passes to reach your final depth. With a shallow 
pass, the router bit teeth will be cutting parallel with the grain 
instead of arching through the grain. 
► 
Examine the woodgrain before routing. If possible, orient the 
workpiece so the grain doesn't fracture. To identify the grain 
orientation, examine the edge grain, not the surface grain. Use 
the following tips: 
► 
If the grain orientation is not in the right direction, turn the 
board over. (Rotating the board to the opposite edge does not 
change the orientation. You must flip the board over.) 
► 
For tight-grained woods where the grain orientation is not 
obvious, look for pre-existing signs, such as small splinters at 
the corners. You can also use a knife to cleave the grain. 
 
► 
For open pore woods such as oak, examine the 
capillaries on the edge of the wood. Orient the 
board so the router is moving away from the 
capillary entrance holes. 
 
  
 
Chatter 
Router bit chatter is the presence of small curves, or 
scallops, in the routed profile (refer to the image on page 
► 
Too fast of a feed rate for the router RPM. 
► 
Trying to take too much material in a single pass. 
► 
Chatter is more noticeable with smaller diameter router bits. 
 
16 
OF 1400 EQ Router