CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Question on Power Supply

on 2005-06-06 16:12:20 UTC
Luke,

I agree with Ron. For a small power supply it would be best to buy one.

If you want to experiment and build your own, look for a transformer that
has an output of about 18 volts AC at about 4 amps. This will give you a DC
voltage of about 26 volts once you run it through a bridge rectifier and
charge it up in a capacitor.

The next step is to find a bridge rectifier and a filter capacitor.

If you decide to build one, please contact me off line and I will help you.


Bob Campbell
Bob@...
www.campbelldesigns.com
Breakout board
THC board sets
CNC router plans
Stepper Motors
VisualMill Basic
----- Original Message -----
From: "Luke1027" <luke1027@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, June 06, 2005 5:10 PM
Subject: Re: [CAD_CAM_EDM_DRO] Question on Power Supply


> Robert,
>
> When you say "Just check for the maximum that you can use."
> You are talking about the max. voltage that the Driver can handle ...
> right?
> Which in my case will be 30 Volts. So I would need a transformer that
> will
> put out 30V. I would like to build my own, just for the sake of learning.
>
> Luke
>
> Robert Campbell wrote:
>
>>Luke,
>>
>>It looks like a power supply in the range of 28 to 30 volts.
>>
>>You can build your own power supply. All it takes is a transformer, bridge
>>rectifier and a capacitor.
>>
>>Most power supplies are unregulated.
>>
>>If you decide to build your own, I can help you.
>>
>>I also have an interface breakout board that will help.
>>
>>Bob Campbell
>>Bob@...
>>www.campbelldesigns.com
>>Breakout board
>>THC board sets
>>CNC router plans
>>Stepper Motors
>>VisualMill Basic
>>
>>
>
>
>
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