Frame 66Y?

[Dan Cobian]

Finally won the Rockwell/Delta 46-450 lathe last night. I got it for $455 (no tax/no shipping). http://www.sawmillcreek.org/attachment.php?attachmentid=103824&d=1229516149

In another thread I posted, member Rick Phelan mentioned that to replace the motor with a 110v / single phase (it currently has a 220v / 3ph / 1 HP motor) All I need to do is "find a 3/4 - 1 hp, frame 66Y, with a 3/4" shaft." Can anyone tell me where to find a "66Y frame" motor or if it has perhaps been superceded by another frame type? I have looked all weekend online and have been unable to find one (most of the motor places were closed when I called).

Also, is there anything stopping me from putting a 1 1/2 HP single phase ?

Any help would be greatly appreciated, this site has proven to be a wealth of information and goos samaritans.

[Dahl Troy Perry]

Go to your local farm store tractor supply they have motors that will work they use them on farm elevators.

[Curt Fuller]

If you are or if you know someone that is handy with electronics, you might want to consider leaving the the 220v 3ph motor on the lathe and adding a variable speed set up. I don't know that I have the terminology right but you can make that lathe into a variable speed lathe for probably about the same cost as replacing the motor. That would also solve the problem of the older machines not having a slow enough bottom speed.

[Mike Lipke]

WW Grainger is nationwide, and has every motor you could want. You have to open a "business" account to buy there.
I just made up a business name and they opened an account on the spot.
Their 4000 page catalogue is good browsing. Like a motor encyclopedia, amps, shaft sizes, rpms, direction of rotation, weight, mounting spacings, etc.

[Bob Bergstrom]

Congratulations Dan. Great lathe. Good price if all is working correctly. I rebuilt another 450 once and put a 1 1/2 hp motor in it. Because the bigger motor is longer, you will have to cut about an 8 to 10" hole in the bottom side of the cabinet so the motor will extend out of the cabinet. If you are only going to turn the max of 12", a 1hp. motor would be enough. If you want to turn on the outboard side, get the bigger motor. It will really help to prevent stalling on large pieces at slow speeds.

[Dan Cobian]

Thanks all. I'll give it a try. I was hoping to leverage off of somenoe else who might have done the same swap-out. I'll investigate further.

[Dan Cobian]

Congratulations Dan. Great lathe. Good price if all is working correctly. I rebuilt another 450 once and put a 1 1/2 hp motor in it. Because the bigger motor is longer, you will have to cut about an 8 to 10" hole in the bottom side of the cabinet so the motor will extend out of the cabinet. If you are only going to turn the max of 12", a 1hp. motor would be enough. If you want to turn on the outboard side, get the bigger motor. It will really help to prevent stalling on large pieces at slow speeds.


Bob,

Did you put in a 110 V / single phase?

[Dennis Ford]

frame 66Y[/U], with a 3/4" shaft."


A VFD will cost about the same as a single phase motor and would be a great upgrade if you have a 220 volt circuit available. Check the "tips" section at this address for more information http://www.easttexaswoodturners.org/

If you have to use 110v, you will find that 66Y frame motors are rare as hens teeth. You might have to use a 56 frame motor and get a bushing to adapt the 5/8" shaft to 3/4".

[Dan Cobian]

A VFD will cost about the same as a single phase motor and would be a great upgrade if you have a 220 volt circuit available. Check the "tips" section at this address for more information http://www.easttexaswoodturners.org/

If you have to use 110v, you will find that 66Y frame motors are rare as hens teeth. You might have to use a 56 frame motor and get a bushing to adapt the 5/8" shaft to 3/4".

Dennis,

Can you tell me if that is the only difference (shaft size)? I have seen many, many, 56 frames but no 110V 66Y frames...

[Bob Vallaster]

Here's a link to a chart showing the dimensional specifications for various frame sizes.
http://www.electricmotorwarehouse.com/NEMA_frame_info.htm

BobV

[Dan Cobian]

Here's a link to a chart showing the dimensional specifications for various frame sizes.
http://www.electricmotorwarehouse.com/NEMA_frame_info.htm

BobV


Bob,

Great! Thank you very much, this is exactly what I was looking for.

[Jon McCoy]

Were it me, I'd get a variable-frequency drive unit to provide 3-phase power to the existing motor, which will also give you variable speed control like a high-priced modern lathe. Call the folks at http://www.driveswarehouse.com/ and see what they can put together for you -- have all the data from your motor nameplate handy.

For a 220vac 1hp 3ph motor, a VFD would be around $170 (220v 1ph in) or $200 (110v 1ph in). You'll need to buy/build an enclosure to protect the VFD from dust, in a way that you can easily access the controls.

-jon-

[Bob Bergstrom]

1 1/2 hp. would require a 220 volt plug. I don't know of a motor that size running on 110. If the budget can I would get the a variable speed control, big enough to handle a 2hp. 3 phase. That way you could upgrade the 3 phase motor if you want to turn bigger bowls.

[Bob Bergstrom]

hopefully this works. There should be an attachment with a pic of the Delta 450 I rehabbed. You can see where the cabinet had to be cut to fit the motor.

[Jeff Nicol]

Dan, I retrofitted a cheap chinese lathe that has the same casting as some of the Harbor frieght , jet and grizzley lathes. I got a Vfd rated for 1.5 hp for $125 ( can't remember offhand the supplier ) and a 1hp 3ph motor from surplus center for $35. It works great and was not that hard to hook up the directions were very clear. So now it has variable speed and plenty of power to do the 12" capacity of the lathe. THe vfd I got was to turn 110V single phase into 220 3 PH. So one that would use 220 SP to 220 3PH would have more torque. Mine at slow speeds I can stop with my hand but once over 100 rpm can't do in any more with out a glove on, so plenty of power!

Good luck and have a Merry Christmas,

Jeff

[Larry Edgerton]

Here is a site somone showed me the other day. I ordered a VFD to run an old Walker Turner 3ph drill press. The guy that answered the phone was helpfull, and I know basicly nothing when it comes to electrical. Selective ignorance.:)

If all works as advertised, and I'm sure it will this sounds like a win/win for you. If this one works out I may order a couple more.

http://www.factorymation.com/s.nl/it.A/id.196/.f?category=32

They also have decent prices on motors.

[Dan Cobian]

Thanks! I ordered my VFD Monday


Here is a site somone showed me the other day. I ordered a VFD to run an old Walker Turner 3ph drill press. The guy that answered the phone was helpfull, and I know basicly nothing when it comes to electrical. Selective ignorance.:)

If all works as advertised, and I'm sure it will this sounds like a win/win for you. If this one works out I may order a couple more.

http://www.factorymation.com/s.nl/it.A/id.196/.f?category=32

They also have decent prices on motors.