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25-01-2020 #11
I've found the secret with buying Chinese electronics is to buy from the manufacturers directly rather than from sellers of general CNC components ie: BST etc (thou I do buy from Fred). This way your dealing directly with someone who knows the settings etc and got Tech's who can help.
I mostly fit Lichuan closed-loop systems now and I can honestly say that I've only had one faulty drive which got damaged due to me oversizing the transformer by mistake. Also Lichuan replaced it FOC knowing it was my fault as a goodwill gesture.
I've probably fitted 50+ sets of motor/drives ranging from NEMA 23 2nm/50Vdc to NEMA 34 12nm/220Vac along with AC servo's ranging from 400w to 2Kw and not one as failed in use.
I'm not saying any of this as an advert for Lichuan, thou I do recommend them. But more to point out that shouldn't fear Chinese products provided you do the due diligence, which is true even in the EU.
Being totally honest I actually get better support, service, and respect from my Chinese suppliers than I do EU suppliers.! For instance, It's Chinese New year and every year for the last 5 yrs, Fred, at BST as sent me Gift of Chinese Tea with a handwritten thank you letter. Which is in stark contrast to other UK/EU suppliers I use in my main business who some of which I spend in excess of 150K a year with and don't even get a Xmas card from.!!
You can save a lot of money if you take the time and shop around.
https://www.aliexpress.com/store/190...569f5bd5XOOljjLast edited by JAZZCNC; 25-01-2020 at 01:23 PM.
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