Rockwell became Delta/Porter Cable which is now part of DeWalt.
A Delta (DeWalt) service center can help you.
Go online to Delta's website and look up a local service center.
You can not CONVERT a Unisaw from 3 phase to single phase.
You need to replace the motor.
Unisaw takes a special motor. In addition to Delta there is at least company that makes an 3rd party replacement motor.
Not, sure, but I think that I have seen an adapter plate so that you can use standard NEMA frame motor.
Check the wood working catalogs. Wood Worker Warehouse, Rocklers, Wood Craft and the like.
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