Tips for operation skill
In normal case of slitting knife clearance is 10% of the material thickness, e.g. if the material is 0.3mm in thickness, the knife clearance is 0.3mmx10%=0.03mm.
In order to get proper clearance, you need to have special spacer 1.94mm.
Below are some examples for your combination reference.
To get slit width 23mm: (needs special spacer 1.94mm)
To get slitting width 23.1mm:
To get slitting width 24mm: