Another one in the works.. - Page 3 - CNCzone.com-The Largest Machinist Community on the net!

arvidb · #25 08-03-2004, 04:53 PM

Originally Posted by DSL PWR

As long as you don't go over the max current of 1 xformer, it should work, if you convert to dc before you series them. *snip*

You can hook them up in series before rectification as well (as long as you won't run them from different phases, but why would you do that?). Make sure you don't hook them up "anti-phase" which would give you 0 (24-24) volts out. If you do, just flip one pair of wires around (so you get 24+24

).

Be aware that if they are 24 VAC you will get >65 VDC after rectification (48*sqrt(2)). But you being an electrician this might not be news for you

Arvid

CRFultz · #26 08-03-2004, 05:00 PM

Thanks Arvid,
I didn't know that, I guess I'm a different type of Electrician...
I've never had to hook up two transformers in series before..
Anywho I went ahead and ordered a switched power supply...48vdc @25amps off of ebay.
But thanks for the info. I'm learning new stuff everyday here

arvidb · #27 08-04-2004, 08:34 AM

You're welcome

The higher DC voltage is not because there are two transformers in series, but because of the rectification process. So one 48 VAC transformer would also produce some 65 VDC after rectification. 48 VAC refers to effective voltage, while after rectification you get the peak voltage (minus some diode losses and ripple).

Arvid

CRFultz · #28 08-04-2004, 01:19 PM

I've managed to get some more work done on the y and z.
Everything is connected on a trial until i can get some measurements.
I'm ready to drop in the z axis ballscrew as soon has I get it turned down and the bearing holes bored. Maybe in the morn....its 100 degrees outside...east Texas quittin time

[IMG]

[/IMG]

CRFultz · #29 08-04-2004, 01:21 PM

and another...

[IMG]

[/IMG]
Do ya think the clamp will be strong enough?

CRFultz · #30 08-04-2004, 01:24 PM

And one more...

[IMG]

[/IMG]

see the gallery for the rest....more to come....

High Seas · #31 08-04-2004, 02:04 PM

Given the robustness of many of those components - WOW that's a MASSIVE clamp and router - you'll be ready to re-configure the bed to a 4x8 in no time!
Well, new rails screws etc - but WOW - thats huge.
Cheers - Jim

cnc2k · #32 12-23-2004, 01:09 AM

can you fix the pictures please

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