BANDSAW OPERATIONS - OD1646 - LESSON 2/TASK 2
(2) If the band speed and feed are correct, the pitch of the saw blade
may be incorrect. Check the pitch of the saw blade, and select a blade of
the proper pitch, if required.
(3) Saw band vibration can occur if the workpiece is not firmly clamped
to the table. If this is the case, adjust the clamps to solve the problem.
(4) Worn or improperly adjusted saw guide inserts can cause saw band
vibration. Adjust or replace the saw guide inserts, as required.
(5) A worn saw guide backup bearing could be causing the problem.
Check
the saw guide backup bearing and replace it, when needed.
d.
Troubleshooting the Malfunction: SAW BAND IS CUTTING INACCURATELY.
When the saw band is cutting inaccurately, a number of conditions could be
responsible for the trouble.
(1) First, check for worn blade teeth. Replace the blade if the teeth
are worn. Then test operate to see if the problem has been solved.
(2) If the scale on the workpiece has not been removed, inaccurate cuts
will result. Remove the scale from the workpiece, if needed.
(3) The blade in use may be too wide for the radius being cut.
Check
the blade width, and select a more appropriate blade, if necessary.
(4) The saw band or the insert may be improperly aligned.
Make the
needed alignments, and test operate to see if the problem has been fixed.
(5) Using either the incorrect feed force or the incorrect band speed
can cause inaccurate cuts. Adjust the feed force and/or the band speed, as
needed, to correct the problem.
(6) If coolant is not applied evenly to both sides of the saw band,
inaccurate cuts may result.
Check for this condition and correct it, if
necessary.
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