Drilling - Grizzly WOOD MILL G9959 Instruction Manual

6. The cutter will start to scratch the surface
as in Figure 23. When it does, stop rotat-
ing the handle. If you have gone too far,
move the knee so the cutter no longer
contacts the surface. Move the table along
the intended path and try again. Once the
cutter is just touching the workpiece you
have established the "zero" setting.
7. The graduated dial on the knee may be set
to zero. Hold the handle with one hand to
maintain the position, and with the other
hand, rotate the graduated dial until it
reads zero.
8. Move the table on the longitudinal axis
until the cutter is off of the workpiece.
9. Turn the handles on the knee to the
desired depth while watching the dial. For
woodworking, this amount should not
1
exceed ⁄ " and in metalworking no more
8
than 1 ⁄ ". In either case, multiple passes
16
are required for dimensions exceeding
these limits.
10. Moving the workpiece under the cutter
must be regulated. For the Model G9977,
the feed rate can be manipulated with the
dial on the powerfeed. With the Model
G9959, the feed rate is done manually by
the operator. For best results, start off with
a slow feed rate. As the cut progresses,
adjust the feed rate slower or faster as
necessary to produce the best finishes.
11. Turn the machine on and begin moving the
table along the intended path. While the
table is moving, be aware of where the
cutter, spindle and quill are in relationship
to their surroundings.
12. Continue cutting until the cutter complete-
ly clears the surface of the workpiece.
Shut off the machine and wait for the cut-
ter to come to a complete stop before
removing the workpiece.
-28-

Drilling

The Model G9959/77 is well suited for drilling
holes in wood or metal. Given the accurate move-
ment of the table and knee, precise lay out of
multiple holes can be done quickly and with less
difficulty than other methods.
It is very important to follow these guidelines
when drilling with the wood mill:
• Secure the workpiece to the table or in a
vise that is secured to the table before
drilling.
• Protect the table by placing the workpiece
on scrap wood or center the location of
the hole to be drilled over the pocket in
the table when through drilling. Also,
make use of the depth stop so that the
drill bit goes no deeper than necessary.
• Use the correct R.P.M. for the diameter of
the drill bit being used and the type of
material being drilled.
Deep boring may be accomplished using the
knee. The Wood Mill has a spindle stroke of just
over 3". Drilling to this depth and then adjusting
the knee will allow drilling depths as long as any
drill bit up to 12". However, chips will have to be
periodically cleared from the hole during the
drilling process, otherwise binding may occur,
causing the drill bit to break or become exces-
sively hot.
G9959/G9977 Wood Mill