Importance

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Abstract

The invention relates to an automatic machine tool for machining workpieces, including a number n of workpiece receivers that can be adjusted in angular and/or spatial position and including an equal number n of work stations, one of said work stations being an exchange station, said receivers or stations being disposed at mutual angular separations of 360.degree./n on a rotatable index table, said stations or said receivers being locally fixed thereon and said index table being advanceable in such a manner that each workpiece traverses all stations in the same sequence. By applying the invention reliable and precise machining, coupled with simple construction should be achieved. This is made possible by the fact that the drive of the index table is controllable so that a sequence of (n-1) rotary steps by 360.degree./n in one direction is followed by a rotary step of 360.degree. (n-1)/n in the opposite direction.

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First Claim