PURPOSE: To provide a multi roll mill with which a hard-to-work material such as a super alloy and other materials are plastically worked into bars, wires, etc., having a desired cross-sectional shape and dimensions at high productivity, without noise and vibration and safely as compared to a forging machine, whose structure is simple as compared to a large size, general rolling mill and which is manufactured smaller in size and at a low cost.

CONSTITUTION: Plural pairs of rolling rolls 11, 11 to 16, 16 are successively arranged side by side so that a material to be rolled is rolled by arbitrarily supplying to the respective rolls, interlocking mechanisms 20 of paired rolling rolls are composed by mutually engaging respective adjoining gears in order by providing gears 2 on roll shafts 10 of respective rolling rolls, the end gear 2 of a group of gears is made so as to be reciprocally rotationally driven with a driving device 60 and grooves 111, 112... for rolling are provided on each pair of rolling rolls.