Thread: 1200mmX900mmX170mm 4axis cnc
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08-03-2018 #161http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm
If you didn't buy it from China the company you bought it from did ;)
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08-03-2018 #162
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08-03-2018 #163
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The Following User Says Thank You to Davek0974 For This Useful Post:
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08-03-2018 #164
£5 BOB doesn't seem so bad now lol.
Linuxcnc and a Mesa card is my vote if on a budget
https://www.ebay.co.uk/itm/5I25-Supe...72.m2749.l2649
You can use a cheap BOB to get going (The 5i25 will talk to it directly) and buy a mesa BOB for better performance later (£120) but you probably won't need it.
I can help you get setup as I'm just doing it right now ;) Ask me again in a week if it works lol.Last edited by Desertboy; 08-03-2018 at 08:11 PM.
http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm
If you didn't buy it from China the company you bought it from did ;)
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The Following User Says Thank You to Desertboy For This Useful Post:
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08-03-2018 #165
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The Following 2 Users Say Thank You to cropwell For This Useful Post:
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08-03-2018 #166
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13-03-2018 #167
It seems that i mess things up.
I order first two AM882 stepper drive they are on the way and today I discover that they are not the -H version, how bad is that?
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13-03-2018 #168
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13-03-2018 #169
No problem at all I have 1 AM882 and 3 AM882h the only differences are the h are rated for AC and also for a slightly higher input voltage (100vdc instead of 80vdc)
feed them ~70v dc and they perform identically, I mixed them and I don't know which one is which lol they all fire stall protect fine if I drive the machine to hard and jumper setting are universal between them.
In future I am going to buy 4 AM882h's for a bigger build but I have a spare toroidal transformer that outputs 78v when rectifed which is high for the AM882's but fine for the AM882h's.
One thing I'm sure is just good practise is if you have a dual ballscrew Y axis using 2 AM882's (Or h's) on that axis and not mixing them.Last edited by Desertboy; 13-03-2018 at 07:53 PM.
http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm
If you didn't buy it from China the company you bought it from did ;)
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The Following User Says Thank You to Desertboy For This Useful Post:
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13-03-2018 #170
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