Blade Terminology
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Blade Terminology
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| D | F | A |
C | E |
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| Figure 16.7aVYZiZgb^cdad\n# |
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A.Blade Size (Diameter): I]Z dkZgVaa Y^Vb" ZiZgd[i]ZWaVYZ#I]ZBdYZa<%+-&jhZh. WaVYZh#
B. Pitch:I]ZY^hiVcXZ[gdbi]Zi^ed[dcZiddi]
idi]Zi^ed[i]ZcZmi#Ine^XVaan\^kZc^cIZZi]
EZg>cX] IE>
C.Gullet: I]Zh]VaadlVgZVWZilZZci]Zi^ehd[ i]ZiZZi]#
D.Front Rake Angle: I]ZbZVhjgZbZcid[i]Z Vc\aZ [dgbZY WZilZZc i]Z i^e d[ i]Z WaVYZ iddi] VcY V a^cZ iVc\Zci id i]Z eZg^bZiZg d[ i]ZWaVYZ#
E.Rear Rake Angle:I]ZbZVhjgZbZcid[i]Z Vc\aZ [dgbZY WZilZZc i]Z [VXZ d[ i]Z iddi] VcYi]ZY^VbZiZg#
F.Tooth Depth: I]Z Y^hiVcXZ [gdb i]Z i^e d[ i]Ziddi]idi]ZWdiidbd[i]ZXdggZhedcY^c\ \jaaZi#
G. Kerf: I]Z l^Yi] d[ i]Z Xji XgZViZY Wn i]Z WaVYZ#
Blade Pitch
I]Zbdhi^bedgiVciXdch^YZgVi^dcl]ZchZaZXi^c\
>[ i]Z WaVYZ e^iX] ^h idd XdVghZ [dg i]Z Xji! i]ZgZ l^aaWZidd[ZliZZi]bV`^c\i]ZXjiViVcn\^kZc i^bZ#I]^hgZhjaih^cWgd`ZcWaVYZiZZi]VcYgdj\] Xjih YjZ id ZmXZhh^kZ higV^c Veea^ZY id Wdi] i]Z WaVYZ VcY i]Z ldg`e^ZXZ Figure 17 # JhZ V WaVYZ e^iX] i]Vi `ZZeh Vi aZVhi i]gZZ iZZi] ^c i]Z ldg`e^ZXZViVcni^bZ#
7aVYZ
IE>Idd8dVghZ
7gd`Zc
Iddi]I^e 
Ldg`e^ZXZ
Figure 17. TPI too coarse for workpiece.
8dckZghZan! ^[ i]Z WaVYZ e^iX] ^h idd [^cZ [dg i]Z Xji!iZZi]l^aagZbV^c^ci]Zldg`e^ZXZVcYgZbdkZ bdgZbViZg^Vai]Vci]ZWaVYZ\jaaZiXVc]daY#I]^h Wj^aYje d[ X]^eh egZkZcih i]Z iZZi] [gdb Xjii^c\ Z[[ZXi^kZan VcY gZhjaih ^c eddg Xjii^c\ Z[[^X^ZcXn! dkZg]ZVi^c\!VcYgVe^YangdjcYZY"d[[iZZi] FIgure 18 #
7aVYZ |
IE>Idd;^cZ |
<jaaZi |
:mXZhh^kZ |
8]^e7j^aYje |
Ldg`e^ZXZ |
Figure 18. TPI too fine for workpiece. |