The invention relates to a punching device and a method for manufacturing pads, wherein the punching device comprises a female die and a male die which are movable towards each other in a punching direction, wherein the male die comprises a punching element and the female die comprises an orifice that is aligned with the punching element in the punching direction, wherein the female die is provided with a first cutting portion and a first pinching portion, wherein the male die is provided with a second cutting portion and a second pinching portion, wherein the punching device is further provided with at least one heating element for heating at least the first pinching portion or the second pinching portion.