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I purchased.

I nicely asked for a refund and was never contacted.

I would like to know who purchased the "Brain" and is this worth a class action lawsuit?:argue:

A show of hands...Who purchased the CNC Brain?

Good point...
I fell for all the hype.

I sold it on ebay about a year ago and received $100 for it.
I'm sorry to vent as I did. Open mouth insert foot, or in my case...feet.
I know that you are a very reputable man and your drives are...

A $500 I/O...

It's been months, any updates?
This is ending up just like the Grex...A big rip-off.

Industrial Hobbies also sells ballscrews and nuts at good prices.
http://www.industrialhobbies.com/

Thanks CNCadmin for the heads up on Roton.
They are worth looking into also....

I've been in contact with an individual at Nook industries. The quotes I've received where...
The 0631-0200XPR (5/8" .001" accuracy) ballscrew is sold in two different lengths 4' ($73.64) and 6'...

Hey its all good...sorry, I was just trying to help out replicapro with some basic info.
I will PM you with further info.

lol...oppps

Replicapro,

When I said real basic that's what I meant. Some of us don't have the time or money to attend MC school. I'm lucky and have a brother-in-law who has be peddling MC for the last 18...

Heres a real basic tutoral site from a middle school.

http://www.sarasota.k12.fl.us/brookside/cudacountry/html/mastercam_toc.html

M

replicapro,

Try this method, Chuck up an end of your ball screw and drill a hole, say .375"ID. Make a stub shaft out of steel that will fit into the end of the ball screw...374ish"OD. Fit the two...

Post a poll for the members?

Thanks for the feedback...so much to learn!

So basicly The motor will maintain constant torque with a variable speed, and at higher than normal speeds the torque drops off dramaticly.
Some VFD...

Hello all,

I'm in process of gathering information on Variable Frequency Drives and contollers.
I've found a controller at:
Bob Campbell Designs
If you have any info on this or VFDs let me...

My thoughts exactly...Looks like R8 is a shoe in.
Thanks for your help.

HFD,

Just finished with this one in the CAD prog...You are correct the 40 won't work. The 30 will, but only 1.24682" of the taper would hold, the other .62818" would be swingn' in the breeze....

Hello all,

Has anybody ever attempted to take an existing MT3 spindle bore and rebore it into a CAT V30 or even CAT V40? If so what were your results?

Thanks