Potato chips blanching machine is a piece of equipment used in the production of potato chips. It is used to blanch the potato slices before frying them. Blanching involves briefly submerging the potato slices in hot water or steam, it helps to remove excess starch from the potatoes, which can cause the chips to stick together during frying.it helps to partially cook the potatoes, which ensures that they cook evenly and quickly during the frying process.