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 The objective of this new machine (ref., photo) was to develop a flexible standard cell that applied the productivity of multiple spindle tapping to more than one style part and could also adapt to tap additional parts at a later date. The parts are steel, automotive stampings required in fluctuating, on-demand high volumes. Three completely different style stampings are tapped in the cell. Based on the demand for any particular part, the machine is changed over by exchanging work holding fixtures and cutting tools within the multiple spindle pattern. CNC rigid tap cycles are automatically set to tap the required thread pitch of a particular part thru a fixture identification system. Changeover time is one minute for re-setting the machine to process one of the 3 different parts. Please select the video option to see the changeover demonstrated.
The multiple spindle tap head has a total of 14 spindles; each with quick-change tap holders. All taps are non-cutting, form tools. The multi-head is mounted to the feed unit with a quick-disconnect coupling for systematic exchange with additional multi-spindle tooling packages.
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