Thermo Scientific HM525 NX Operator Guide
55
Sectioning Procedures
Cutting Movement and Retraction
Front
Rear
Lateral view into instrument
Note
The retraction prevents the surface of the specimen being damaged during the return stroke of the specimen
head.
The retraction can be switched off - see "Switching the Retraction On - Off".
The retraction distance required is 20 µm and cannot be changed.
Trimming and First Cuts
After the specimen orientation and the blade angle have been set, trimming can be carried out using the
trimming function.
Trimming
Make sure that the trimming thickness setting is
selected.
Note
Trimming thickness is shown highlighted on the display.
Turn the hand-wheel in a clockwise direction to begin trimming.
•
Press the "Trim" button to move forward the blade holder by the preset trim value. The hand-
wheel does not need to be turned for this function.
Note
The specimen head will move forwards by the preset trim thickness value every cycle.