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So I recently purchased a 9 inch Southbend, it’s my first lathe , the motor is the original 1/2 horse 3 phase 3/4 shaft , I can tell it’s definitely tired. I’m looking to upgrade to a 1hp motor. Can someone point me in the right direction ?
Is it normal for these southbends to be hand started? I’m finding that I have to assist the chuck when I hit the switch to get the chuck moving. Once it’s up to speed it’s fine
the lathe came with a box for phase conversion, it looks old. The motor is hard wired into the box. Im starting to wonder if this is my problem. If I have the belt on the fastest setting it wont start moving until I spin the chuck. The motor spins freely. This lathe was taken care of very well.
Yes sir , its a "phaseamatic"
Is it normal for these southbends to be hand started? I’m finding that I have to assist the chuck when I hit the switch to get the chuck moving. Once it’s up to speed it’s fine
Id like to do a single phase 3/4 horse motor. What are guys using ?The motor I have is a nema 66 frame 1/2 horse, these use 3/4 shafts. Everything seems to be 56 frame 5/8 shaft.
I’m confident the motor is ok, the more I read into phase converting the more I realize that without a really good vfd I’m not getting the full potential of the 3 phase motor. So my options are an expensive vfd or replace the motor with a single phase 240volt motor. Which will probably end up being cheaper? Either way it def feels like I’m.only getting a 1/3 maybe less of the motors potential with the fakeomatic
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