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Protection against injury
•
The knife carrier is equipped with a knife guard
(fig. 27.4) which should be used while knife or
specimen are adjusted.
Caution:
Please note that knives with a length of
more than 16 cm (e.g. 22 cm) and/or if it
is clamped too much on one side,
projects over the knife guard resulting in possible
hazards of being injury although the knife guard is
used.
Moving the knife sideways
•
If the cutting edge of the knife is blunt, loosen
the clamping screws (fig. 27.1) and move the
knife to the left or right side.
•
This process can also be used to protect the
knife, as for trimming and fine sectioning
different parts of the knife can be used.
Diagonal position of the knife
•
After having loosened the central fastening
screw of the knife carrier (5) via the attached
hex head wrench (size 6), the knife can be
adjusted diagonally according to the tissue to
be sectioned. This is called "angle cut".
•
However, please note that due to the diagonal
positioning the usable width of the specimen
decreases!
Height adjustment plates (optional)
In case the height adjustment of the specimen
block is not sufficient for cutting high specimens, a
height adjustment plate can be mounted between
knife carrier and sledge.
Height adjustment plates are available with 5 mm,
10 mm and 20 mm.
Knife profile
Knives with profile c and d are available. The
opposite figure (fig. 28) shows schematically the
angles on the cutting edge profiles of c- and d-
knives.
Thermo Scientific Sliding Microtome Microm HM 450
Microm International GmbH
part of Thermo Fisher Scientific
Otto-Hahn-Str. 1A
69190 Walldorf / Germany
387 760 - English
Fig. 28
35
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