![]() There are typically two finish options: roughing / hogging and finishing. ![]() ![]() When selecting a gear cutters and hobs, consideration must be made to the desired finish type. These tips produce an angled cut of chamfered edge on a workpiece. Chamfer tip ends feature an angled section of the side or the end. Radius-tipped gear cutters and hobs ends are straight flutes with ground radius on the very tip. Other ends and tips for gear cutters and hobs include radius or chamfer-tipped. This type of gear cutters and hobs tip is useful for machining female semicircle grooves of radii. Ball nose gear cutters and hobs tips have a “ball nose” whose radius is one half of the cutter diameter. ![]() Square end tip geometry for gear cutters and hobs have a square or straight end that features no radius, chamfer, or other finish. They can be used with a number of end or tip geometry options, including square end, ball nose, radius tip, and chamfer tip. Gear cutters and hobs may be of solid construction, or with holders and inserts. They are ground to produce teeth, usually of an involute form, in standard American pitches or metric modules. Specialty or custom gear hobs are frequently available from gear hob suppliers. Gear cutters and hobs are tools for machining gear-tooth profiles.
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