1200mmX900mmX170mm 4axis cnc

[Doddy]

Finish the power supply, thanks everyone for the help.

Neat layout.

Minor observation:-

It can be a good idea to wire a bleed resistor across the output - nothing too big, but enough that you're not holding a substantial and dangerous charge long after removing the power.

Also, there's some concern with the use of screw terminals particularly with high-current circuits and when vibration may be present that the screws can loosen over time.

[Nickhofen]

Neat layout.

Minor observation:-

It can be a good idea to wire a bleed resistor across the output - nothing too big, but enough that you're not holding a substantial and dangerous charge long after removing the power.

Also, there's some concern with the use of screw terminals particularly with high-current circuits and when vibration may be present that the screws can loosen over time.

Thanks for the observation ,can you point me a value for the resistance and how many watt it should be? I have some laying around here at home.I will change the terminas as soon as the other ones come with the mail.

[Doddy]

Thanks for the observation ,can you point me a value for the resistance and how many watt it should be? I have some laying around here at home.I will change the terminas as soon as the other ones come with the mail.

Value?, pick a number. I recently ordered 1500 Ohm, 7W wirewound resistors for an 80V supply. Just remember Ohm's law - you can determine the power rating from the voltage and chosen resistor value (P = V*V/R) - the lower the value the quicker it will discharge, but the beefier the resistor needs to be, and the more energy you throw away.