Somta - page 94

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END MILL APPLICATIONS
Two and Three Flute End Mills
Two and three flute end mills are shank type cutters with
peripheral teeth and end teeth of the plunging type. Intended for
general purpose use, they have right hand cutting, right hand
helical teeth; they are used on keyway and closed slotting
operations where the close minus tolerance of the cutting
diameter allows slot widths to be produced in one pass. These
cutters are also extensively used when profiling and end milling
aluminium alloys, due to the greater chip space required by this
material.
Ball Nose Two Flute End Mills
Ball nosed two flute end mills are manufactured to the same
tolerances as the normal two flute end mill, and have a centre
cutting ball end. They are used extensively in die making for
cutting fillets, radiused slots, pocketing etc. These cutters have
right hand cutting, right hand helical teeth.
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