Project "YOU Bit It Off, YOU chew it", aka installing a Bridgeport CNC

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AdeV:
To say I'm chuffed would be an understatement :) There's still lots of learning ahead, though, before I can really put it to work... If I can find a cable, I will try the computer interface tonight.

Eric - the reason you can hear the gears is because they're all rusty and knackered :lol: Too many years of boozing has left very few functional braincells... You're right, though, race car parts are going to feature prominently...

John - thanks - it's a big relief I must admit. I just need to keep a close eye on my bearings now, there's quite a lot of noise & I'm not sure how much is "normal motor noise" and how much is bearing noise.

AdeV:
If only there were more hours in the day :(, then I might get some more done.

Progress report: With Pete's help, the magnetic spindle brake is now back in operation :beer:

And, following a hectic hour or so of soldering and general messing about, now the computer interface is working! :ddb:

I have successfully transferred programs from the controller to the computer, the next step is to try to do it t'other way around, & send a program to the machine. But that will have to wait until next week, because I'm out of hours today, and I'm racing at the weekend. I might sneak a couple of hours on Sunday, if I'm not a wrisical pheck by then (I race on Sunday).

If there are any Welshies around, I'll be at Ty Croes on Anglesey sat & sun. It's due to be lashing down on Saturday, Sunday is still not determined (but there might be a dry spot for me to play in).

awemawson:
Save your parameters to a file NOW to avoid later disasters!!!!

AdeV:

--- Quote from: awemawson on June 15, 2012, 06:39:30 AM ---Save your parameters to a file NOW to avoid later disasters!!!!

--- End quote ---

Yep, already done it (after I posted the above) :D

Unfortunately, it looks like I won't be able to drip-feed this controller - the parameters only go up to MP214, and the blockwise mode is set in parameter MP223.

I guess I need to look out for a TNC151B controller, I would hope it's sufficiently similar to the TNC150 that I don't need to do any major electrical works, just swap out the main controller box.

awemawson:
Yes that's a straightforwards upgrade, as is a TNC155 - finding one is another matter !

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