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Tip
#50
Using
a Jointer
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The jointer
is designed to quickly and accurately accomplish many operations
that would require many hours of tedious labor if done by
hand. It's a rotary cutter that will plane edges smooth and
square, ready for gluing or assembling. It will do a fine
job on light surfacing cuts also, but should not be confused
with the planer, as jointers often are. The planer is designed
to dress stock to exact thicknesses and perfectly parallel
surfaces. The jointer is used to square edges to surfaces
and straighten surfaces.
Setup
and Features
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Figure
6-1.
The Jointer can be mounted on (A) the MARK V or on (B)
a Shopsmith Power Stand.
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To set
up your jointer, follow the instructions in the Owners Manual
that came with your jointer. As you work with the jointer,
you'll find that it has several special features:
- The
jointer mounts on the Mark V or a Shopsmith Power Stand
(Figure 6-1).
- The
dust chute will allow you to connect the hose from your
dust collection system to the jointer. Since most heavy-duty
dust collection systems have fairly strong motors, you should
not plug a dust collection system into the same circuit
as the Mark V.
- The
width of cut is a full 4".
- The
depth of cut is adjustable from "0" to 3/8". The maximum
depth of cut for most operations is 1/8". When surfacing,
the maximum depth of cut is 1/16". You can make full use
of the 3/8" depth of cut in stages when performing special
operations.
- The
infeed table is 5-5/8" wide by 13-1/4" long. The outfeed
table is 4-1/2" wide by 13-5/16" long. Together, the overall
table length is 28".
- The
fence is 3" high and 21-3/4" long. It tilts 45° to either
the left or right and has adjustable positive auto-stops
at 45° right, 90°, and 45° left. It may be positioned anywhere
over the cutterhead. Also,
the fence has predrilled 1/4" holes, making it easy to add
fence extensions to help support wide stock.
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Figure
6-2.
The cuts and shapes listed here can be formed on
the jointer. (A) chamfer; (B) tenon; (C) bevel;
(D) taper; (E) edge rabbet; (F) end rabbet; (G)
surfacing (cut depth exaggerated for clarity); and
(H) furniture let (example). Click on image for
larger view.
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The cutterhead
is 2-1/2" in diameter, with three precision-ground steel
knives. It's equipped with individual knife leveling screws
so that you don't have to match-grind each knife.
- The
jointer can make the cuts and joints shown in Figure
6-2.
Continue
to Setting Depth of Cut
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