PIECE MATERIAL GRINDING AND CALIBRATING DEVICE Russian patent published in 1994 - IPC

FIELD: mechanical engineering. SUBSTANCE: device has a working member which, in turn, has axle 2 with side mills 3 fixed to it and removable distance bushes which length is equal to the maximum allowable dimension of the resulting product. Axle 2 is connected to draw members 6. Each side mill 3 is made with a toothed cutting edge where the shape of each tooth 10 is closer to trapezoidal. Bearing platform 11 is a lever of the first order relative to axle 13, the short arm of the lever is on the unload side and the longer arm rests against end support 16. EFFECT: improved structure. 4 dwg