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RTJ400 User Guide
Box Joint Procedures - 3/4"
Chapter 11
11-14
This procedure requires routing into alternating template
openings. To prevent routing the wrong sockets, insert the
supplied blockers into each even numbered opening across the
board width, plus one extra.
11-19 Now that your joint tightness has been determined,
re-clamp socket board 1 in the jig, move the frame pin to the
No.1 BOX JOINTS
hole and latch frame.
11-15 Quick Fit Test To save time and wood, clamp the two
½" thick
test
boards in the jig, back to back
A
.
Review the
remaining steps in this chapter.
Rout both boards at the same
time and repeat again with frame in
No.2 BOX JOINTS
hole. Join
the routed boards and make joint fit adjustments in the next
three steps. Don’t worry about board edge alignment, the test is for
joint fit only.
A
A
11-18 Record your settings here.
11-16
Test for Fit
Keep the same side board edges together. If
the joint is too loose, turn the eBush to a higher number, as shown
in the next step. If too tight, turn the eBush to a lower number.
11-17 Each increment on the eBush changes the joint glue line
fit by 0.002" [0.05mm]. Half an increment, a mere 1000th inch!
Re-tighten the eBush nut after each guide bushing adjustment.
TOO LOOSE TIGHTEN
TOO TIGHT LOOSEN
Sample
Leigh 173-500C Bit
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