FOUR-FLAT FORGING DEVICE Russian patent published in 2015 - IPC B21J13/02 

FIELD: process engineering.

SUBSTANCE: invention relates to metal forming and can be used of forging of ingots and billets from various steels and alloys. Flats of proposed device are secured their appropriate holders by clamps. Flats have grooves to accommodate clamps while side flat holders have recesses for fixation of flats. L- or U-like clamps can be coupled with uncoupled from flats with the help of springs fitted in bores made in flat holders. Clamps can be retained, at uncoupling from flats, on either flat holders or coupling studs extending there through. At least one key is made on clamp surface on the side of side flat holders. At least one grieve is made on the surface of side flats and side flat holders.

EFFECT: flats can be detached from holders without removal the clamps.

6 cl, 15 dwg