Under high load (zäherTeig) the part at the transition from metal to plastic hexagon was so hot that it was soft and useless. This went very quickly. There is an evil design deficiency of Maschienenherstellers and the reason that this spare part must be purchased. The replacement part is evidently the original. Of course, we now pay special attention that it is not overloaded. But should knead only aqueous solutions is not the purpose of a food processor. The criticism concerns therefore mainly the development department of the food processor. Our reasoning was thus: throw away machine or again buy spare parts, with gnashing of teeth.