Excalibur 3S user guide
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Page 13 of 27
3. Making your first cut
3.1 Cutting thick material using the ratchet latch
A unique feature of the Excalibur is the ‘ratchet latch’, this
enables thick dense materials such as PVC foam board to be cut
easily in stages. Count the number of ‘clicks’ to position the
blade just below the surface of the material to make your first
cut then add an extra ‘click’ for the second and subsequent cuts.
As a rough guide when cutting PVC foam board:
3MM (1/8”) Initial surface cut + 1 additional cut
5MM (1/4”) Initial surface cut + 1 or 2 additional cuts
10MM (3/8”) Initial surface cut + 3 or 4 additional cuts
Should you engage the cutter by mistake or for any reason want
to disengage the cutter without moving it to the bottom of the
machine pull down the cutter release lever.
For some operations (such as scoring acrylic) the ratchet latch
needs to be disengaged, so that finger pressure is used to make
the score/cut. This is done by pulling the black knob on the edge
of the spring spool down to face towards the user. To re-engage
the ratchet latch push the small black knob away so it points
upwards.
