52090Re: [atlas_craftsman] New Lathe! Not Atlas...
- Sep 2, 2008I agree, although I would equally strongly suggest that you avoid a
static phase converter and go straight to either a rotary phase
converter or an electronic VFD.
On Tue, Sep 2, 2008 at 11:48 PM, <jerdal@...> wrote:
> ----- Original Message -----
> From: "hillman109" <hillman88@...>
> To: <email@example.com>
> Sent: Friday, August 29, 2008 2:53 PM
> Subject: [atlas_craftsman] New Lathe! Not Atlas...
>> I've just picked up a Standard Modern Lathe, 11x20. While I love the
>> 10F, it's not in the same class as the 11". So here's the problem,
>> the lathe is 3ph and we don't have any here. It's a standard motor
>> frame and whatnot so swapping it out is no problem. I am planning on
>> picking up a Baldor L3507M 3/4 hp 1ph motor after the long weekend.
>> How does one wire it? Reverse on this machine is activated by a
>> rotary contactor switch with a lever. There is also an electrical box
>> inside the cabinet with what might be two "heaters"? Keep in mind
>> that I know nothing of the electrician's trade, but surely it couldn't
>> be hard to hook this thing up?
>> The reverse switch has a small plaque on it stating that it's good for
>> 3/4hp 1ph @ 110V, and 1hp @ 220V. So I shouldn't have to change that.
>> The main power switch doesn't appear to have any rating written on it
>> though. Could someone give me some advice on how to figure this out?
> Very strongly suggest that you simply obtain a "static converter" box, as a
> minimum, wire it per the extremely clear instructions (at least
> Phase-A-Matic is extremely clear), and move on.
> Note that per their very nice instructions, you can move on to true
> three-phase by adding another slightly larger 3 phase motor as an "idler",
> forming a "rotary phase converter", at some future time. Motors are often
> available as scrap or cheaply from surplus places.
> Real three phase, even via a rotary converter is a lot nicer, leads to less
> chatter, etc. The benefits it has for flat belts will not be relevant for
> your machine.
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