The determination of the cutting characteristics of agricultural materials is an important factor for the develop of diverse mechanized activities, like the crushing of stubbles. A device was built with the purpose of obtaining the cutting energy and stress of the stem and leaves of pineapple at a constant speed . This device use a similar principle used by Chattopadhyay y Pandey (1999). The quasi-static cut was done with blades with two different angles and also using three different speeds.