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22 - English
Do not perform jointing operations on
material shorter than 10" (254 mm), narrower than
3/4" (19 mm), or less that 1/2" (12.7 mm) thick. See
Fig. 66.
JOINTING AN EDGE
This is the most common operation for the jointer. Set
the guide fence square with the table. Depth of cut
should be the minimum required to obtain a straight
edge. Hold the best face of the piece firmly against the
fence throughout the feed as shown in Fig. 65. Maximum
depth of cut should not be more than 1/8" (3.175 mm)
in one pass.
DEFINITIONS OF JOINTING AND PLANING OPERATIONS
1. JOINTING OPERATIONS – Jointing cuts or edge
jointing are made to square an edge of a workpiece.
The workpiece is positioned on the jointer with the
narrow edge of the workpiece on the infeed table and
the major flat surface of the workpiece against the
fence, as shown in Fig. 62. The workpiece is moved
from the infeed table, across the cutterhead to the
outfeed table.
2. PLANING OPERATIONS – Planing or surfacing
are identical to the jointing operation except for the
position of the workpiece. For planing, the major
flat surface of the workpiece is placed on the
infeed table of the jointer with the narrow edge of
the workpiece against the fence, as shown in Fig.
63. The workpiece is moved from the infeed table,
across the cutterhead to the outfeed table. Use push
blocks when performing planing operations whenever
possible.
Fig. 65
WORK
OUT-FEED
TABLE
IN-FEED TABLE
CUTTER
Fig. 64
Fig. 63Fig. 62
3/4" (19 mm) MIN I MUM
10" (254 mm) MINIMUM
MINIMUM JOINTING
DIMENSIONS
1/2" (12.7 mm)
MIN I MUM
Fig. 66