Machine tool represents a machine itself such as lathe machine,drill machine and cutting tool is a component of machine. Leaf jig is distinguished by its hinged cover,or leaf,which is swing open to load or unload the jig as shown in the following figure.After the workpiece has been located inside the jig,the leaf is firmly closed and locked. Leaf jigs can be loaded and unloaded quickly and are suitable for complicated workpieces with irregular contours.Holes may be drilled in more than one surface for a single loading of the jig.Drill bushing may be located in the leaf and reamer bushings in the base,providing the leaf is rigid enougf to withstand the pressure exerted by the reamer.
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