PURPOSE: To stack service materials and end materials on each pallet at both sides after truing up their center of gravity, by installing a cradle combinedly in a terminal of a frame, and also installing a lever, reciprocating in both directions from on an extension of a sawing blade, in this cradle as well as installing a censor which perceives a fact that a cut material is mounted on the cradle.

CONSTITUTION: If a certain degree of speed is put on a service material 21 and an end material 22 in advance, they are made to jump over so as to accord a plate's center-of-gravity position G1 with a designated position G2 of a cradle 7 so that they are horizontally mountable on this cradle 7. And, the center 20 installed in the cradle 7 perceives that the plate is mounted on the cradle 7, thereby driving a lever 17. Since this lever 17 is projected out of the cradle 7 on an extension of a sawing blade 3, it exists in a clearance between the service material 21 and the end material 22 fed in the form as it is after cutting, whereby this lever 17 reciprocates in both directions, distributing both these materials 21 and 22 left and right each. At this time, the service material 21 and the end material 22 mounted at the same driving force and the same speed and the time, so that they are stacked in pile at the specified position as truing up the center-of-gravity position at all times.