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Some tips for using our Ultra-thin Saw
Blades
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Always, wear eye
protection!
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Make sure the blade is
mounted in the mandrel so the teeth point in the direction of the
Dremel tool rotation. This is normally with the teeth pointing toward
the left when viewing the mandrel so the locking screw is facing you.
-
Position the Dremel tool so
the direction of rotation throws any chips away from you face and
eyes, not toward them.
-
These saws are very
sharp! When mounted in a running Dremel tool they can cut through
your flesh as if it were warm butter! Use them with extra care
(picture: spinning scalpel blades).
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Do not exceed 30,000 RPM
rotation speed.
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For best results clamp, or firmly hold your Dremel
tool in place and move your work (article to be sawed) under the
rotating blade. This may seem backward to the way a Dremel type tool
is normally used, but if the objective is to saw a straight thin line
or cut a straight thin slot, a small amount of hand movement can cause
the blade to wander. Make sure your Dremel tool is held firmly and
will not vibrate loose.
When we sawed the slot in our telephone pole example,
we clamped our Dremel in a table vise with rubber jaws (so as not to
damage the Dremel tool). We then held the pole against a square scrap
block of plastic so that the length of the pole was parallel to one of
the straight sides of the plastic block. We held the pole in place
with double-sided tape. We then taped a second scrap block to our
workbench to act as a fence for the first block to slide against. We
made sure it was positioned so that when we slide the first block back
and forth with the pole on it. The saw blade was positioned directly
over the pole and the pole moved keeping the blade centered on the
pole. We then turned on the saw, put several pieces thin card stock
under the block with the pole (to raise the pole up so the saw would
contact the pole), and slowly moved the block to cut the slot. We the
repeated this procedure adding a few more pieces of card stock. This
let the saw cut the slot again slightly deeper.
-
Run you Dremel tool on the proper speed and feed you
work slowly.
When sawing plastic, if you run the saw too fast, the
heat generated by the cutting process we be sufficient to cause some
melting of the plastic. A much cleaner slot will be produced at the
slowest cutting and feed speeds. If sawing or slotting wood, this is
not as great a concern. If sawing soft metal such as aluminum, white
metal (pewter) or brass, adding a small amount of light cutting oil
will greatly extend the life of the blade. Do not make deep or fast
cuts when cutting or slotting metal materials. Do not attempt
to cut steel, iron or stainless steel with these saw blades. Only cut
plastic, wood or soft metals.
-
Store you saw blades so the teeth are protected from
damage. A closed container is a good idea. That way, if they're kept
in a tool box or drawer, they won't be damaged by contact with other
metal tools.
© 2008 Ngineering
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