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I have no experience but I would have no faith in a spindle that uses a drill chuck to hold end mills because drill chucks are not designed to withstand lateral loads that are an integral part of CNC machining. Sorry to be so negative.
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Has any one used one of these? Are they junk?
http://www.amazon.com/Spindle-Zen-Toolworks-Machine-Holders/dp/B0039HCK6S/ref=cm_cr_pr_product_top]Amazon.com: Spindle Motor for Zen Toolworks CNC Machine Kit, with Tool Holders: Home Improvement
I have no experience but I would have no faith in a spindle that uses a drill chuck to hold end mills because drill chucks are not designed to withstand lateral loads that are an integral part of CNC machining. Sorry to be so negative.
Last edited by DonFrambach; 04-25-2011 at 10:43 PM.
I was thinking about getting one of those, because those amazon reviews said they were better than dremel tools, but I ended up getting the highest-end Dremel for only a little more money, which capable of changing the rpms. With that spindle, you still need to buy a power supply, which, if you dont have good sources, can be pricey and you would need a more to be able to change the rpms.
A machine is only as accurate as the tools used to build it. "CNC = Computer Numeric Control - or on some days - CNC = Can Not Control" Imagineering
That looks like a common DC motor with a chuck added. The 3 jaw chuck can have runout. The motor doesn't have enough speed for small diameter bits. And as mentioned, no power supply. Better options are out there.
I'm a big fan of a 1/4" trim router motor for a spindle.
John
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