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Advancing mechanism in which a stop device of the screw and nut can be adjusted in order to produce rapid advance of a tool in contact with a part to be machined and then produce the advance of the tool by small increments at each cycle.
Advancing mechanism in which a stop device of the screw and nut can be adjusted in order to produce rapid advance of a tool in contact with a part to be machined and then produce the advance of the tool by small increments at each cycle.