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Pitch versus Gullet Depth
At high feed speed and/or increased log sizes, the gullet must
be able to hold more sawdust. This can be achieved with a deeper gullet or a
longer pitch. To keep a well-proportioned tooth profile, the depth of the gullet
is normally expressed in parts of the pitch; the figure gives some guidelines.
The base line of the tooth will be weaker the deeper the
gullet is. This is a disadvantage when harder wood is to be sawn. The best way
to increase the gullet area for hardwood is to increase the pitch.
Guide lines for pitch versus depth of gullet
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