Project Abstract

The sponsor, T&T Tools, would like an automated rod threading machine. The machine needs to be able to apply 3/8-24 threads to 3/8” steel rods. Two different thread lengths are to be produced (3/8” and 7/8”). It is allowable for less than 5% runoff of 50 parts to fall out of specifications. A stretch goal for the project is to be able to thread ½” rods with ½-13 UNF-2A threads having a thread length of 15/16”. The proposed solution for these requirements is to retrofit and automate
a manual lathe using a Type D die head to apply the threads. A PLC combined with an HMI will be used to control thread length, rod size, and length adjustment. A servo and linear actuator will be used to guide the Type D die head onto the rod to apply the threads. The loading and unloading process of the rods is manual.

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