BdYZa<%,('B[\#H^cXZ&&$&&
"(&"
Workpiece
Inspection
HdbZ ldg`e^ZXZh VgZ cdi hV[Z id Xji dc i]^h
bVX]^cZdgbVncZZYidWZbdY^[^ZYWZ[dgZi]Zn
XVc WZ hV[Zan 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
hdbZeaVhi^Xh#8jii^c\YgnlVaadgXZbZci^i^djh
WVX`ZgWdVgYXgZViZhZmigZbZan[^cZYjhiVcY
bVn gZYjXZ i]Z a^[Z d[ i]Z bdidg WZVg^c\h#
I]^hbVX]^cZ^hCDIYZh^\cZYidXjibZiVa!
\aVhh!hidcZ!i^aZ!ZiX#0Xjii^c\i]ZhZbViZg^Vah
l^i]ViVWaZhVl\gZVian^cXgZVhZhi]Zg^h`d[
^c_jgnVcYYVbV\Zidi]ZhVldgWaVYZ#
Foreign Objects:
CV^ah! hiVeaZh! Y^gi! gdX`h
VcY di]Zg [dgZ^\c dW_ZXih VgZ d[iZc ZbWZY"
YZY ^c lddY# L]^aZ Xjii^c\! i]ZhZ dW_ZXih
XVc WZXdbZ Y^hadY\ZY VcY ]^i i]Z deZgVidg!
XVjhZ `^X`WVX`! dg WgZV` i]Z WaVYZ! l]^X]
b^\]i i]Zc [an VeVgi# 6alVnh k^hjVaan ^cheZXi
ndjg ldg`e^ZXZ [dg i]ZhZ ^iZbh# >[ i]Zn XVc»i
WZgZbdkZY!9DCDIXjii]Zldg`e^ZXZ#
s
Large/Loose Knots:
AddhZ `cdih XVc
WZXdbZ Y^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
bVnbdkZjcegZY^XiVWanl]ZcWZ^c\Xji#
Minor Warping:
Ha^\]ianXjeeZYldg`e^ZXZh
XVc WZ hV[Zan hjeedgiZY l^i] XjeeZY h^YZ
[VX^c\ i]Z iVWaZ dg [ZcXZ0 ]dlZkZg! ldg`"
e^ZXZhhjeedgiZYdci]ZWdlZYh^YZl^aagdX`
Yjg^c\i]ZXji!l]^X]XdjaYXVjhZ`^X`WVX`#
Blade Requirements
IdZchjgZi]Vii]ZhegZVYZgdgg^k^c\`c^[Zldg`h
hV[Zan! i]Z [daadl^c\ gZfj^gZbZcih BJHI WZ bZi
l]Zc^chiVaa^c\cZlWaVYZh/
7aVYZ9^VbZiZg/&%
GZfj^gZY7aVYZ7dYnI]^X`cZhhZmXajY^c\
iZZi]/%#%,-'bb
GZfj^gZY7aVYZ@Zg[I]^X`cZhh/%#&&-¶(bb
I]Z hegZVYZg dg g^k^c\ `c^[Z BJHI WZ Va^\cZY$
VY_jhiZY id WaVYZ# I]ZhZ gZfj^gZbZcih 9D CDI
VeeanidYVYdWaVYZh#
Figure 39.
G^ee^c\WaVYZ#
Blade Selection
I]^h hZXi^dc dc WaVYZ hZaZXi^dc ^h Wn cd bZVch
XdbegZ]Zch^kZ# 6alVnh [daadl i]Z hVl WaVYZ
bVcj[VXijgZgh gZXdbbZcYVi^dch id ZchjgZ hV[Z
VcYZ[[^X^ZcideZgVi^dcd[ndjgiVWaZhVl#
Ripping Blade Features:
7Zhi[dgXjii^c\l^i]i]Z\gV^c
'%")%iZZi]
;aVi"ide\gdjcYiddi]egd[^aZ
AVg\Z\jaaZih[dgaVg\ZX]^egZbdkVa
;aVi
Ide
7aVYZ