Thread: is this kit any good
I'm building what is called the book machine and i'm now looking at the elctronic side of things. I saw this on ebay and wondered if this kit was any good, i will be cutting soft,hard woods.
Sounds good for me.
I'm using the same Breakout board and steppers in my CNC. Instead of PM542 drivers I have PM752, hence higher supply voltage.
With my setup I'm able to mill steel, and I would try the same with your set. Eventually in case of loosing steps or motor stalling I would decreased Feed rate.
But If you want to buy pieces separately I would recommend PM752 - http://www.slidesandballscrews.com/p...ml?cPath=44_97
and some handsome 500W toroidal transformer (eg from Farnell- free delivery on orders above £20+VAT) + 25A rectifier bridge + big capacitor (voltage not smaller than DC after rectification).
I'm only using an 8A bridge rectifier, with 4 motors it's fine. Just get whatever's cheapest ...
The following capacitor from farnell is good value:
(put two in parallel)
I've bought the same kit recently for £205. The seller is Zapp Automation. I think I got lucky as it was an auction price starting at £180 and not too many bids. Most (all?) his stuff is now listed as buy it now.
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