
-34-
Model G0841 (Mfd. Since 06/18)
Workpiece
Inspection
Some workpieces are not safe to use or may
require modification before they are.
Before cut-
ting, inspect all workpieces for the following:
•
Material Type: This machine is only intend-
ed for workpieces of natural wood fiber.
Attempting to use workpieces of any other
material that may break apart during opera-
tion could lead to serious personal injury and
property damage.
•
Foreign Objects: Inspect lumber for defects
and foreign objects (nails, staples, tramp
metal, embedded gravel, etc,). If you have
any questions about the quality of your
lumber, DO NOT use it. Remember, wood
stacked on a concrete floor can have small
pieces of stone or concrete pressed into the
surface.
• Large/Loose Knots: Loose knots can
become dislodged during operation. Large
knots can cause kickback and machine dam-
age. Always use workpieces that do not have
large/loose knots.
• Wet or "Green" Stock: Avoid using wood
with a high water content. Wood with more
than 20% moisture content or wood exposed
to excessive moisture (such as rain or snow),
will plane poorly and cause excessive wear to
the machine. Excess moisture can also has-
ten rust and corrosion of the machine and/or
individual components.
•
Excessive Warping: Workpieces with
excessive cupping, bowing, or twisting are
dangerous to plane because they are unsta-
ble and often unpredictable when being
planed. DO NOT use workpieces with these
characteristics!
Workpiece Inspection
•
Grain Direction: Cutting against the grain
increases the likelihood of kickback, as well
as tear-out on the workpiece. Cutting with the
grain is described as feeding the stock into
the lower cutterhead so the grain points down
and toward you as viewed on the edge of the
stock (see
Figure 35).
Note: If the grain changes direction along the
edge of the board, decrease the cutting depth
and make additional passes.
With Grain
Against Grain
CORRECT
INCORRECT
PLANER TABLE
PLANER TABLE
INFEED TABLE
INFEED TABLE
FEED DIRECTION
FEED DIRECTION
ROTATION
ROTATION
Figure 35. Proper grain alignment with lower
cutterhead.
12"
2
1
/
2
"
1
/
2
"
Figure 36. Minimum stock dimensions.
•
Dimension Requirements: Make sure your
workpiece exceeds the minimum dimension
requirements shown below, before process-
ing it through the machine, or the workpiece
may break or kickback during the operation.
Содержание G0841
Страница 84: ......