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• Maintain theproper relationships ofinfeed andout-
feedtablesurfaces andcutterhead b ladepath.
• Donotbacktheworktoward theinfeed table.
• Take precautions against k ickback. Donotpermit
anyone to standor crossin lineofcutterhead's rota-
tion.Kickback o r thrown debris willtravel i n this
direction.
• Turnswitch offanddisconnect power whenever
planer/molder is notin use.
• Replace or sharpen blades as theybecome dam-
agedor dull.
• Keepplaner/molder maintained. Follow maintenance
instructions ( seepage13).
DEPTH OF CUT
•
Thickness planing refers to the sizing of lumber to a
desired thickness while creating a level surface par-
allel to the opposite side of the board.
•
Quality of thickness planing depends on the opera-
tor's judgement about the depth of cut. Depth of cut
depends on the width, hardness, dampness, grain
direction and grain structure of the wood.
•
Maximum thickness of wood which can be removed
in one pass is %2"for planing operations. For opti-
mum planing performance, the depth of cut should
be less than V,6".During molding operation, do not
exceed '/4" total depth of cut.
•
Board should be planed with shallow cuts until the
work has a level side. Once level surface has been
created, flip the lumber and create parallel sides.
Plane alternate sides until the desired thickness is
obtained.
•
When half of total depth of cut is taken from each
side, the board will have a uniform moisture content
and additional drying will not cause it to warp.
•
Depth of cut should be shallower when work is wider.
•
When planing hardwood, take light cuts or plane the
wood in thin widths.
•
Make test cut when working with a new type of
board or different kind of operation.
•
Check accuracy of test cut prior to working on fin-
ished product.
ADJUSTING THE DEPTH OF CUT
Refer to Figure 7.
Board thickness which the planer/molder will produce is
indicated by either scale on the side.
Thickness is adjusted by rotating the handwheel clock-
wise to raise the table.
To lower the table height, rotate the handwheel counter-
clockwise.
•
Do not set blade below %2". Do not plane a board
which is less than W' thick.
•
Table height will be moved '_6" with every complete
revolution of the handwheel.
Make a test cut on a piece of wood and measure the
thickness produced.
_,.-Up
Down_
Scale
Figure 7 - Adjusting the Depth of Cut
Check measurement of test workpiece against measure-
ments on each scale. If measurements are not the same,
then loosen the pan head screw and set the indicator to
show the thickness produced. Make sure that both indica-
tors are positioned correctly.
FEED RATE ADJUSTMENT
Refer to Figures 8 and 9.
•
The planer/molder has a 2-speed gearbox that feeds
the workpiece at 20 feet per minute (standard plan-
ing) and at 10 feet per minute (for molding or slow
planing).
Slow planing a workpiece results in a better surface
finish than that obtained by planing at the higher
speed.
•
The handle for adjusting the feed rate is located on
the left side of the planer/molder (see Figure 8).
/
6
Figure 8 - Adjusting the Feed Rate
NOTE: Only change feed rate while the machine is
running.
•
There are three positions that the feed rate can be
set: 20 feet/minute, 0 feet/minute (neutral) and
10 feet/minute (see Figure 9).
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