19
This may result in chipped and splintered edges.
Feed
with
the grain to obtain a smooth surface,
as shown in Figure 19.
Figure 18
Figure 19
Jointing
Jointing (or edging) is the process of creating a
finished, flat
edge surface
that is suitable for
joinery or finishing (Figure 20). It is also a
necessary step prior to ripping stock to width on
a table saw.
Never edge a board that is less than 3
inches wide, less than 1/4 inch thick, or 12
inches long, without using a push block.
When edging wood wider than 3 inches lap
the fingers over the top of the wood,
extending them back over the fence such
that they will act as a stop for the hands in
the event of a kickback.
Position the fence (move forward) to expose
only the amount of cutterhead required.
When workpiece is twice the
length of the jointer infeed or outfeed table
use an infeed or outfeed support.
To edge:
1. Make sure the fence is set to 90°. Double
check it with a square.
2. Inspect stock for soundness and grain
direction (refer to
Direction of Grain
on
previous page).
Figure 20 – Surfacing
3. If the board is bowed (curved), place the
concave edge down
on the infeed table.
4. Set the infeed table for a cut of approx-
imately 1/16 inch.
5. Hold the stock firmly against the fence and
table, feed the stock slowly and evenly over
the cutterhead.
Beveling
Beveling an edge is the same operation as edge
jointing, except that the fence is tilted to a
specified angle.
Make certain material being beveled is over
12 inches long, more than 1/4 inch thick and
1 inch wide.
To bevel:
1. Use a bevel gauge to determine the desired
angle. Then set the fence to the same angle.
2. Inspect stock for soundness and grain
direction (refer to
Direction of Grain
on
previous page).
3. Set the infeed table for a cut of
approximately 1/16.
4. If the board is bowed (curved), place the
concave edge down on the infeed table.
5. Feed the stock through the cutterhead,
making sure the face of the stock is
completely flat against the fence and the
edge is making solid contact on the infeed
and outfeed tables (Figure 21).
For wood wider than 3 inches –
hold with
fingers close together near the top of the
stock, lapping over the board and extending
over the fence.
For wood less than 3 inches wide
– use
beveled push blocks and apply pressure
toward the fence. Keep fingers near top of
push block.
Several passes may be required to achieve the
full bevel will probably take several passes.
Infeed Table
Outfeed Table
Fence
Stock
Figure 21 – Beveling
Содержание JJP-12
Страница 30: ...30 Assembly Drawings Infeed Table Assembly ...
Страница 31: ...31 Outfeed Table Assembly ...
Страница 32: ...32 Cutterblock Assembly ...
Страница 33: ...33 Base Assembly ...
Страница 34: ...34 Motor Assembly ...
Страница 35: ...35 Planer Table Assembly ...
Страница 36: ...36 Fence Assembly ...
Страница 38: ...38 Notes ...
Страница 39: ...39 Notes ...