centauro SP 400, Use And Maintenance Manual, Page: 24 / 50

A-24
A.3.13 CIRCULAR CUT
The jig for circular cutting is shown in figure A-7.
A.4 RECOMMENDATIONS CONCERNING THE
PIECE
A.4.1 If a table band saw or a feeder is used to cut round
wood, a special locking system must be provided
and used to prevent rolling or slipping, for example
with hooks, wedges, or V-blocks. If hooks are
used, they must be periodically sharpened to
ensure a good hold.
A.4.2 Additional supports for the piece, such as table
extensions or roller conveyors must always be
used for long pieces (see figure A-8) since the
piece tilting over is a common cause of accident.
A.5 AMBIENT CONDITIONS
A.6 NOISE REDUCTION
Working procedure affect the levels of noise produced by band saws. To this regard the provisions of
Attachment C must be taken into consideration along with the following.
A.6.1 Choice of blade. The choice of blade must take into account the information supplied by the manufacturer
on the noise levels linked with the various forms and categories of tools.
A.6.2 The state of the blade is important for the limitation of the noise levels during cutting. The blade must be subject
to careful maintenance, paying attention to the following points:
A The brazed or welded joint must be trued to the edge of the blade.
B The teeth must be set or prepared for the foreseen operation.
C The sharpness of the teeth must be checked at regular intervals.
D The cleaning devices must be checked regularly to see they prevent the formation of deposits of resin on
theblade.
E A more appropriate choice of the feed speed.
Fig. A-8 Additional supports
Fig. A-7 Circular cut