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Blade Welding
Being able to quickly and safely weld a bandsaw
blade comes in handy for the following situations:
•
To re-join a blade that has been purposely
cut for making an internal contour cut.
•
To repair a broken blade that is still sharp and
useful.
•
To make a new blade from a roll of bulk blade
banding.
Your metal cutting bandsaw is equipped with a
blade welder that uses electrical current to heat
and fuse the blade ends together. This process
will leave the joint brittle, so an annealer is also
included to give the blade strength and flexibility.
The electric current that flows through the
blade welder during operation could cause
serious personal injury or death. To reduce
the risk of electrocution or burns, never
touch any metal part of the welding station
or blade during welding or annealing.
To weld the ends of a blade together:
1.
Turn the bandsaw motor OFF.
2.
Place the blade evenly against the back of
the blade shear and firmly pull the handle
down to square off the blade end (see Figure
43).
Figure 43. Using the blade shear to cut the
blade.
-38-
Note: To make a proper blade weld, the ends
of the blade must be evenly butted together
during the welding process. If necessary, use
the grinder to square up the ends or remove
any teeth that are in the welding zone (see
Figures 44–45).
Figure 44. Using the grinder to square up the
blade end.
Welding Zone
Figure 45. Blade ends and welding zone.
For good metal-to-metal contact between
the welding clamps and the blade, make
sure the blade material and the clamps are
free from any debris or flashing before each
use.
3.
To ensure correct electrical continuity while
welding, use mineral spirits to clean off all oil
and debris from the first 6" of each end of the
blade.
4.
Turn the clamping pressure dial fully clock-
wise (see Figure 46 on Page 39).
Model G0806/G0807 (Mfd. Since 12/15)
Grind Off
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