May one use a bread machine to slice bread on Shabbos?^[1]

If doing so does not involve electricity it is allowed. One may even adjust the blades to fit the sizes of the slices that he desires. However, some Poskim^[2] are stringent in this matter.

[1] SHH”K 6:11

[2] Beir Moshe 1:38; Mishneh Halachos 5:53