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  1. #4
    Quote Originally Posted by Stickio View Post
    Where did you get your 75V power supply and drivers from was it zapp?
    Drivers were from Zapp - their service is excellent, but you can now get them a fair bit cheaper on eBay. I made (or rather assembled, there's nothing to it really) the power supply from a 500VA toroidal transformer on eBay, bridge rectifier and a couple of capacitors. Google it and I'm sure you'll find the general idea...

    Quote Originally Posted by Stickio View Post
    Didnt think about the Z backdrive, maybe some sort of solenoid brake that retracts in the powerd up state and locking the z when controller is switched off. If I dont do something like that I know for sure I will forget and end up ruining something :)
    Could do, I just quite literally stick a spanner in the works if required!

    I reckon the pulley diagram you posted wouldn't work very well because the acute angle between the crossing wires is very small. Too tired to calculate it properly now, but I'm pretty sure you'd want the same sort of thing but with one pulley on each corner of the frame, like on a drawing board ruler...

    Quote Originally Posted by luke11cnc View Post
    their are people here that will cut/machine items at a cost for you.
    That's me...
    Last edited by Jonathan; 17-08-2011 at 08:55 PM.

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