PURPOSE: To automatically and surely remove chip powder and burr from a work to which the chip power and burr are adhered.

CONSTITUTION: This device has a duckboard-like work guide 2 for moving a cut work W on the upper surface side and a displacing member 3 for displacing the work W in a direction different from the moving direction, which is provided above the work guide 2. A jet nozzle 21 for spouting a washing solution toward the work W to remove the chips adhered to the work W is further provided near the work moving position in such a manner that the jet position and jet angle can be hanged. A rotating part a longitudinal part or the whole body of which is rotated by a driving means is formed on one or more of a plurality of guide beams 2a...2a constituting the work guide 2.