Development of a Double-edged Knife Sharpening Simulator

Abstract

We have developed a double-edged knife sharpening simulator, which can deform the kitchen knife and the grindstone by considering the frictional wear between them. This simulator can feedback users the force caused by the knife sharpening, and also display the angle between the knife and the grindstone and the trajectory of the knife on the grindstone. The knife and the grindstone are modeled with meshes, and are deformed by calculating the moving amount of each vertex that constructs the models. As the result of user evaluation, the scores of knife deformation and force feedback were relatively high.