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Great build! How is the motor shaft coupled to the spindle? Which PSUs are you using?


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I got a CNC kit for a 7x from BDTools on eBay. Very happy with it. Arrived quickly. Installed easily (about 2-3 hours of not rushing). And has really impressed me with the quality of work the...

Just got my PM-25MV last week. The quality seems VERY nice. I haven't had a look at the G0704 so I can compare. The motor controller is a KB Electronics. The controller on the G0704 is supposedly...

Hmm. I also replied with some findings on bearing speeds but it didn't show. It included a link and I don't have many posts. Tapatalk may have eaten the error message too. Try 2:

Google "NSK...

I'd really like to know about your 3 phase conversion too.

According to: http://www.nskamericas.com/cps/rde/xbcr/na_en/bearing_replacement_guide_uk.pdf

The 28XJ bearing is good to 7100 rpm with grease and 9500 rpm with oil

The 32XJ: 6300 rpm with...

Where did you get the shim "variety" pack from? I've only found rolls of a single thickness. I'm machining newbie. Thanks.