Middle HM-27 Manuel d'instructions télécharger pdf (Page 55)

Rotary Microtome HM 355 S

MICROM International GmbH

Robert-Bosch-Str. 49

D- 69190 Walldorf

3-5 KNIFE CARRIERS

The knife carriers are easy to use. They allow the

microtome knives to be clamped and adjusted as

needed. Depending on application, special knife

carriers are available.

3-6 MICROTOME WITH

FREEZING UNIT

The freezing unit K 300 allows frozen sectioning

with the specimen temperature as low as -45°C.

3-7 AUTOMATIC APPROACH

SYSTEM

The automatic approach system is used for easy

approach of a specimen to the knife edge from any

distance.

When choosing the automatic approach system, a

sensor tilts towards the specimen and releases a

forward movement of the coarse feed. The coarse

feed turns off when a certain point is reached.

After that, the sensor flag tilts back against the rear

of the knife to give enough clearance for the

sectioning movement.

When passing the next upper reversal point another

coarse feed movement used as a correction value

is released. This way, the approach up to a minimal

distance of the knife edge to the specimen is

possible. If desired, the user can determine the

correction value by means of the coarse feed

functions on the operating panel (see 2-16,

automatic approach system).

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Middle HM-27 Manuel d'instructions Page 55