To create a joint, contact cement should be
Fig. 16
applied to the core material and the plastic
laminate, and one piece of laminate should be
fastened to the core with the other overlapping
it by about 3/4". The fixed piece must have a
clean, straight edge as it will serve as a guide
for the underscribe base to follow. The over-
lapping sheet of laminate will then pass over
the aluminum plate and be cut to the proper
length by the router bit. (See Figure 14). ThisNote that the base receives a preliminary ad-
justment at the factory, but will generally need
Fig. 14
to be "fine tuned" by the user to produce a
perfect seam.
Offset Trimmer
Model 1609A
Offset trimmer 1609A is primarily used for
trimming laminate in confined areas such as
backsplashes, corners, or other locations inac-
accurate system makes it a perfect tool forcessible to the standard trim bases (see Fig 17).
joining laminate on stile and rail constructions,Piloted bits may be used, or the laminate trim
circular or curved edges, and many other sur-guides may be fitted for use with unpiloted
faces. Because the cutter will generate chips, itbits. Note that the offset base is designed for
is necessary to keep the laminate pressed downthese specialized laminate trimming applica-
tightly near the seam to keep these chips fromtions, and is not suitable for heavy stock re-
getting into the joint?this is especially impor-moval or continuous service.
tant on larger pieces of material. It is also
Using Self-Piloted Bits
necessary to keep steady pressure on the tool so
Self-piloted bits have an integral round tip or
that the guiding edge of the base remains in
ball bearing which rides against the work sur-
contact with the fixed piece of laminate through-
face above or below the cutters to control
out the operation. (See Figure 15). This is
horizontal cutting depth. When using these
especially important at the beginning and end
of a cut.bits, the trim guide is not required, and it is
only necessary to adjust the cutting depth to
Fig. 15allow the pilot to ride on the work surface.
When guiding against a laminated surface, use
wax or other lubricant and do not apply excess
pressure or the piloted end may mar the work.
Bearing pilots must be kept clean and free of
adhesive or other residue. Router bit bearings
are sealed and permanently lubricated, and
should be replaced when they no longer turn
An eccentric adjuster is fitted to the aluminum
freely to avoid damaging the work surface.
plate and if necessary, can be adjusted with the
pin wrench provided, after loosening the twoTemplet Guides
screws which mount the aluminum plate. ToYour Bosch trim router Model 1608 will ac-
make the joint tighter, turn the eccentric clock-cept optional Bosch templet guides for pattern
wise. For a looser joint, turn the eccentricand other fixture work. To install a guide,
counterclockwise, as viewed from under theremove the sub-base 7, insert the desired tem-
base (see Figure 16). It is advisable to makeplet guide into the sub-base recess, and rein-
some test cuts on scrap material to determine ifstall the sub-base. (Templet guide screws are
adjustment is required before beginning work,not used - the sub-base holds the guide in
and to be certain that the screws are re-tight-place). See your Bosch dealer for templet guides
ened after adjusting the eccentric. Once this isand other accessories.
done, no further adjustment should be required.
9
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