Summa S class 2 series - Calibrating a Tangential Knife; Correct Knife Offset Pattern

S CLASS™ 2 cutter User’s Manual
Basic Operation 2-8
1. Press to perform the internal knife offset test.
2. Press to confirm the chosen knife offset and exit the menu.
3. Press to leave the knife offset unchanged.
When the knife offset is set correctly, the test pattern looks like this:
FIG 2-4
2-4 CORRECT KNIFE OFFSET PATTERN
When the knife offset is too low, the test pattern looks like this:
When the knife offset is too high, the test pattern looks like this:
2.2.4 Calibrating a tangential knife
The purpose of the knife calibration routine is to detect and, if necessary, to correct
problems related to the concentricity of the tangential knife blade.
NOTE:
Knife calibration should be done each time the knife is changed and
should be checked if the knife shows signs of wear.
Knife calibration errors may be due to any of the following causes:
• Origin deviation. The knife tip is slightly rotated in relation to its theoretical 0° angle.
This error can be corrected by adjusting the origin.
• Lateral deviation. The knife tip deviates from its theoretical center in the lateral
direction. This error can be corrected by adjusting the lateral parameter.
• Longitudinal misalignment. The knife tip deviates from its theoretical center in the
longitudinal direction. This error can be corrected by adjusting the longitudinal
parameter.
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