HINTS AND TIPS
66
Chapter 17 D4R Pro User Guide
17-5 Rout away the rest of the waste.
Note: Spiral up-cut straight bits (inset) generally rout more
smoothly than the two-flute carbide-tipped bits. Leigh recom-
mends solid carbide bits.
17-6 Through Dovetail Pins Tearout
To prevent tearout at the back bottom part of a straight cut, scribe
a line with your marking gauge across the back of the pin board
at exactly the depth of cut.
17-7 Dovetail Tails Tearout With the dovetail bit, most
tearout occurs at the top left exit of the cut.
17-8 To help prevent this, back up the cut with the end-grain of
a horizontal board pushed against the back of the workpiece and
held in the rear clamp. This board replaces the spacer board.
17-9 This same scrap piece can remain in place for successive
cuts.
17-10 Always rout the right hand half pin socket starting from
behind the board and moving the router outwards
➀
, and rout the
left hand half pin socket from the outer face, moving the router
inwards
➁
. Position the non-active guide fingers both sides so
that they do not impede this process
➂
.
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