Principle & use of the Leica SP1600 saw microtome
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  Leica SM2500 E sledge microtome
  Leica SM2600 Ultramiller
  Leica SP1600 saw microtome
This preserves the morphology of the sample and offers ideal conditions for microscopic evaluation. The speed of the specimen advance can be controlled by a hydraulic drive. A higher or lower speed can be selected depending on the material to be sliced. A built-in water cooling device prevents overheating of the sample, removes saw dust from the cutting edge and thus prolongs the life time of the saw blade.

Specimen advance:
The heart of the microtome is a diamond-coated inner-hole saw blade. An annular frame makes it stable although it is only 260 microns thick. To prepare a section, the object holder is guided slowly against the rotating cutting edge of the saw blade. The speed of the object holder can be adjusted according to the specimen conditions. Compared to the sectioning principle, the sawing method causes less compression.

Drawing: Sectioning technique