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6. Place it betweenthe fingers of both blade
guides and onto both wheels. Position next to
both wheel flanges. Make sure teeth point
down toward the table.
7.
Be sure that blade rests against ball bearing (A,
Fig. 13), not behind it.
8. Replace blade guard on column.
9. Tension the saw blade by turning tension hand
wheel. Rotate the wheel by hand and make
sure the blade is properly seated in the blade
guides. Blade guides will have to be adjusted
if the replacement blade is a different type and
width.
Blade Selection
Proper blade selection isjust as important to band
saw operation as is blade speed and material feed.
Proper blade selection will impact blade life,
straightness of cut, cut finish, and efficiency of
operation. Excess blade breakage, stripping of
teeth, and waviness of cut are some of the results of
improper blade selection.
Blades are classified by material composition, tooth
shape, pitch of teeth, and type of set, gage of the
band material, and kerf of the set (width of cut).
Material Composition
Carbon Steel - low cost, for use with non-ferrous
materials, wood, and plastics.
High Speed Steel - resists heat generated by dry
cutting. Used for ferrous metals and are more
expensive than carbon steel blades;
Alloy Steel - tough and wear resistant, cuts faster
with longer blade life. Used on hard materials.
More expensive than carbon or high speed steel.
Carbide Tipped - for cutting unusual materials such
as uranium, titanium, or beryllium.
Fig. 13
8