<%+,)&'Ha^Y^c\IVWaZHVl
"(*"
Non-Through &
Through Cuts
Non-Through Cuts
6 cdc"i]gdj\] Xji ^h V hVl^c\ deZgVi^dc l]ZgZ
i]ZWaVYZYdZhcdiegdigjYZVWdkZi]Zide[VXZd[
i]ZlddYhidX`!Vhh]dlc^cFigure 57#
Workpiece
Inspection
HdbZ ldg`e^ZXZh VgZ cdi hV[Z id Xji dg bVn
gZfj^gZbdY^[^XVi^dcWZ[dgZi]Zn VgZhV[Z id Xji#
Before cutting, inspect all workpieces for the
following:
Material Type:I]^hbVX]^cZ^h^ciZcYZY[dg
Xjii^c\ cVijgVa VcY bVc"bVYZ lddY egdY"
jXih! aVb^cViZ XdkZgZY lddY egdYjXih! VcY
hdbZ eaVhi^Xh# 8jii^c\ YgnlVaa dg XZbZci^"
i^djh WVX`Zg WdVgY XgZViZh ZmigZbZan [^cZ
YjhiVcYbVngZYjXZi]Za^[Zd[i]ZWZVg^c\h#
I]^hbVX]^cZ^hCDIYZh^\cZYidXjibZiVa!
\aVhh!hidcZ!i^aZ!ZiX#0Xjii^c\i]ZhZbViZg^Vah
l^i]ViVWaZhVlbVnaZVYid^c_jgn#
Foreign Objects: CV^ah! hiVeaZh! Y^gi!gdX`h
VcY di]Zg [dgZ^\cdW_ZXih VgZ d[iZc ZbWZY"
YZY ^c lddY# L]^aZ Xjii^c\! i]ZhZ dW_ZXih
XVcWZXdbZY^hadY\ZYVcY]^ii]ZdeZgVidg!
XVjhZ `^X`WVX`! dg WgZV` i]Z WaVYZ! l]^X]
b^\]ii]Zc[anVeVgi#6alVnhk^hjVaan^cheZXi
ndjgldg`e^ZXZ[dgi]ZhZ^iZbh#>[i]ZnXVci
WZgZbdkZY!9DCDIXjii]Zldg`e^ZXZ#
s Large/Loose Knots: AddhZ `cdih XVc
WZXdbZY^hadY\ZY Yjg^c\i]Z Xjii^c\deZgV"
i^dc# AVg\Z `cdih XVc XVjhZ `^X`WVX` VcY
bVX]^cZ YVbV\Z# 8]ddhZ ldg`e^ZXZh i]Vi
Ydcdi]VkZaVg\Z$addhZ`cdihdgeaVcV]ZVY
idVkd^YXjii^c\i]gdj\]i]Zb#
s Wet or "Green" Stock:8jii^c\lddYl^i]V
bd^hijgZXdciZcidkZg'%XVjhZhjccZXZh"
hVgnlZVgdci]ZWaVYZh!^cXgZVhZhi]Zg^h`d[
`^X`WVX`!VcYn^ZaYheddggZhjaih#
Excessive Warping:Ldg`e^ZXZhl^i]ZmXZh"
h^kZXjee^c\!Wdl^c\!dgil^hi^c\VgZYVc\Zg"
djh id Xji WZXVjhZ i]Zn VgZ jchiVWaZ VcY
d[iZcjcegZY^XiVWaZl]ZcWZ^c\Xji#9DCDI
jhZldg`e^ZXZhl^i]i]ZhZX]VgVXiZg^hi^Xh
Minor Warping:Ldg`e^ZXZhl^i]ha^\]iXje"
e^c\ XVcWZ hV[Zan hjeedgiZY^[ i]ZXjeeZY
h^YZ ^h [VX^c\ i]Z iVWaZ dg i]Z [ZcXZ# Dc
i]Z XdcigVgn!V ldg`e^ZXZ hjeedgiZYdc i]Z
WdlZYh^YZl^aagdX`Yjg^c\VXjiVcYXdjaY
XVjhZ`^X`WVX`dghZkZgZ^c_jgn#
Figure 57.:mVbeaZd[Vcdc"i]gdj\]Xji#
Figure 58.:mVbeaZd[Vi]gdj\]XjiWaVYZ
\jVgYcdih]dlc[dg^aajhigVi^kZXaVg^in#
Through Cuts
6i]gdj\]Xji^hVhVl^c\deZgVi^dc^cl]^X]i]Z
ldg`e^ZXZ^hXdbeaZiZanhVlci]gdj\]!Vhh]dlc
^c Figure 58# :mVbeaZh d[ i]gdj\] Xjih VgZ g^e
Xjih! Xgdhh Xjih! b^iZg Xjih! VcY WZkZaZY Xjih#
I]ZWaVYZ\jVgYVhhZbWanBJHIWZjhZYl]Zc
eZg[dgb^c\i]gdj\]Xjih#