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Appearance
Backslope on side plate cutting
edge (side plate angle too wide).
Condition
Chain must be forced to cut by
applying high pressure. Poor cutting
performance and high rate of wear
on chain and guide bar.
Appearance
Hook in side plate cutting edge (side
plate angle too acute).
Condition
Cutters bite too deeply into wood,
snag and stick.
Chain snatches and breaks in cut,
has short life and an increased
tendency to kick back.
56
Appearance
Blunt top plate cutting angle.
Condition
This chain produces very poor
cutting results – if it cuts at all – and
is very difficult to feed into wood.
Appearance
Top plate cutting angle too acute.
Condition
This chain has a short edge life
because the top plate cutting edges
are weak and quickly dull.
Appearance
Top plate filing angle less than 25°,
produces blunt side plate cutting
edge.
Condition
Bucking performance not ideal.
Chain runs roughly.
Appearance
Top plate filing angle more than 35°,
produces pointed side plate cutting
edge.
Condition
Bucking performance not ideal.
Chain runs roughly. Short edge life.
Side plate cutting edges are too thin
and dull quickly.
Chain and Bar Manual
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