Vertical Indexing Machine Produces Three-Way Fittings

The company has developed a new vertical indexing machine using a Hirth gear to locate the index. By using different machining units in various configurations, the 2000 vertical indexing machine has flexibility to produce a variety of parts. The new Hirth gear design gives the machine greater location accuracy and r

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The company has developed a new vertical indexing machine using a Hirth gear to locate the index. By using different machining units in various configurations, the 2000 vertical indexing machine has flexibility to produce a variety of parts. The new Hirth gear design gives the machine greater location accuracy and rigidity, increasing part precision and reproducibility. The rigid coupling of the index also increases the long-term accuracy of both the index location and the finished parts. The high-production machine can produce a family of tees and elbows from a variety of materials with holes ranging in size up to ¾" NPT in mild steel. Changeover between parts requires a simple change of tooling and chuck jaws. The indexing machine has eight stations with self-centering, two-jaw chucks to hold the parts. Up to 18 machining units can be configured on the machine depending on the operations required. Operations performed include a through-hole using opposed drilling heads, chamfering, tapping using opposed tapping heads and hollow milling. For flexibility, part-specific top jaws can be easily changed to a different part by removing two screws. The chuck jaw has a maximum opening of ¾". Changeover to a new part is just a matter of switching top jaws, changing tooling and resetting the stops on the machining units. A skilled operator can easily change over the machine in an hour with preset tooling. The company offers automatic load and unload as an option. On the pictured machine, part blanks are loaded into a vibrator bowl that orients the parts and feeds them to a part nesting area where a robotic arm loads them into the chuck. A second robot arm then unloads the finished parts into a chute. With this equipment, this machine can run virtually unattended.