As mentioned the key is probably in the chuck just to show it has one. I doubt anyone would be running the machine with the tool holders lying in the chip tray on a rag, the key in the drill chuck, and the cover open on the gear train. It's more of an advertising shot to show what comes with the machine than a shot of it in the working mode.
Also I doubt the owner would be trying to use it when setting on a pair of dollies. Then again that may be a safety mechanism. As it slowly walks across the room it eventually unplugs itself.
Thanks projectnut - The owner said that he picked it up with a bunch of other equipment and he was going to restore it but simply does not have enough time to do that. He seems to be up front on everything. He even said he would help me install a VFD for 120V. Since he has received it he has not had it hooked up and running yet. I think you are probably correct to say that the chuck key is in place to show that it has one.
The motor tag indicates larger than 1 hp.
Stick with 240 vac equipment and avoid voltage converting types as well as the Chinese branded units.
We prefer Allen bradley and other have theirs so brand does not really matter that much.
But regardless of brand download the manual before buying to verify first that it will work with single phase supply then look for a table that shows which unit to use for your application.
Some need to be De - rated for single phase while others may not work at all or bi in alarm.
After that read the installation and configuration instructions to be sure you can figure it out.
Ours has a 3 wire control option that has run and reverse as 2 wires and stop as third.
The Drum Switch Has 3 Sets Of Contacts So Slight Mod To Insure ONE Set ALWAYS makes first and used for stop and the operation is just like factory.
A pot is located elsewhere for speed control.
Made a frame that is mounted to the bolts for the chip tray and everything (vfd in box, for bar and pot main power switch) all are mounted to frame so the complete lathe is stock other than longer bolts to support frame and modified drum switch.
Can do MPR minutes per revolution without back gear via vfd.
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