Broaching Tool Eliminates Cleaning Process for Serrated Turned Parts


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Schwanog’s broaching tool eliminates the cleaning process step when machining serrated turned parts, creating a single-operation approach using a conventional lathe with a C axis. The tool has a quarter-circle geometry with six teeth. The first tooth carries a complete finish depth profile, while the remaining five teeth are considered roughing teeth.

Broaching of serration is a two-step process. With the first step, the spindle does not move and the broach feeds three times until the first tooth is completely established. With the second step, the spindle starts indexing and the five successive teeth are continuously broached until the finished depth is reached. The faster production cycles enabled by this system are said to reduce setup times and part cycle times.


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