Thread: Let the fun begin !!! ???
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11-02-2015 #71i think it was in relation to the main screw of the coil touching or not touching the base plate . i'll have to dig it out and give it a read again.
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11-02-2015 #72
so i have a coil with 2 insulating rubber pads ( 1 per side of the coil) a steel dish washer to sit on top of 1 rubber pad and a bolt to secure the whole lot through the disc on to a metal plate that will be earthed anyway. so the steel disc will be earthed through the frame and if i put another earth at the top i'm creating a shorted turn. Standard Range Toroidal Transformers- CM0750225- 750VA 230v to 2x25v that is good to know , i've been searching the forum for a thread that explained the construction but couldn't find it . by the way is my understanding of how the coil is assembled correct or am i assuming the assembly incorrectly?
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11-02-2015 #73
http://www.mycncuk.com/threads/8421-...6783#post66783
There's a diagram of the power supply....there are a few posts on the forum where people have put links to the actual items that they have used...I'll be looking for them myself again soon!
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11-02-2015 #74
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11-02-2015 #75
thanks guys i'm about to put the first elec dwg. together and when it's finished you might critique it and let me know
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11-02-2015 #76
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The Following User Says Thank You to Clive S For This Useful Post:
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11-02-2015 #77
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11-02-2015 #78
well here is the PSU and e stop circuit . i'm not sure if my calcs. are correct so i could do with a second opinion. i have calculated for 5 motors but i'm only using 4 to get the me up and playing . the 5 motor will be for the A axis further on up the road ( https://www.youtube.com/watch?v=EIwEh6ZmFFs) i have calculated for the lowest cap. and rectifer but will go with something with more head room. any way , feed back would be great , cheers in advance
Last edited by PAULRO; 26-03-2015 at 09:38 PM.
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12-02-2015 #79
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12-02-2015 #80
Paulro That looks fine to me the rectifiers are usually 30 - 50 A anyway. Not sure I would switch the earth out though. ..Clive
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