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> OT: more "heavy metal" in the garage !!!, Bridgeport CNC ;)
Mueller
post Feb 11 2004, 12:01 AM
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Well, i finally moved up in the world and picked up a "real" mill to add to my home shop......2200+lbs of cold steel/iron (IMG:style_emoticons/default/smash.gif)

I had gotten out bid by hundreds of dollars and at the last minute, the highest bidder retracted his bid and I won it (IMG:style_emoticons/default/wink.gif)

The mill looks perfect (not at home yet, I inspected it at the shop), the biggest challange will be figureing out how to use the darn thing since it has no provisions to manually move any of the axis and the CNC controller is pretty ancient......
I'll also have to convert the main spindle motor from 3 phase to 2 phase or use a static or rotary converter........ (IMG:style_emoticons/default/confused24.gif)

My workshop pad should be going in this weekend, originally I was only going to pour it 4" thick, now i think I'll make it 6" thick with more rebar.........
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jonwatts
post Feb 11 2004, 12:04 AM
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Cool, but shouldn't you have a workshop in the south bay area instead of in Antioch? I mean you're rarely home and I don't want to drive that far to play with it (IMG:style_emoticons/default/lol3.gif)
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Malmz
post Feb 11 2004, 12:07 AM
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How the heck to you move something like that?

sm
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Kargeek
post Feb 11 2004, 12:19 AM
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QUOTE
How the heck to you move something like that?

You call Dunkel Bros.!Dunkels
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ChrisReale
post Feb 11 2004, 12:29 AM
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(IMG:style_emoticons/default/thisthreadisworthlesswithoutpics.gif)
sorry couldn't resist
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airsix
post Feb 11 2004, 01:36 AM
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Mike, that's really cool. Congratulations. My mini-mill and I bow to you and your Bridgeport. (IMG:style_emoticons/default/pray.gif)

-Ben M.
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fiid
post Feb 11 2004, 01:42 AM
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QUOTE(Mueller @ Feb 10 2004, 10:01 PM)
The mill looks perfect (not at home yet, I inspected it at the shop), the biggest challange will be figureing out how to use the darn thing since it has no provisions to manually move any of the axis and the CNC controller is pretty ancient........

uhh - megasquirt man! (IMG:style_emoticons/default/chairfall.gif)

My brother-in-law makes components to do stepper motor control and other stuff from USB or serial.

http://www.makingthings.com

I don't think anyone has used the stuff to do CNC control, (I want to use it to do track datalogging - which noone has done either), but it is easy to use and makes the whole interfacing thing very easy.
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Mueller
post Feb 11 2004, 01:45 AM
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darn...forgot to add the picture......the depreciation is terrible on these things...brand new $30K in 1978, I got this one for a tad bit over $1000

QUOTE
How the heck to you move something like that?


Dunkels is too expensive (IMG:style_emoticons/default/smile.gif)

I'm using another company to pickup and deliver the mill, $250...he has a special flatbed truck and a heavy duty forklift to assist with the chore.....


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meursault
post Feb 11 2004, 03:10 AM
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Ah yes. Looks like a Bridgeport Boss. My dad has one. If you want to try to modernize the control, as he is considering, you might want to check this out:

CNC kit

If your machine is a boss 8 or later, you don't have to buy the motors. Good luck.
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Mark Henry
post Feb 11 2004, 07:33 AM
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Nice!

Not as big as the made in China chunk of iron I use, moved it with a loader. Wish it was a Bridgeport though...oh well it works.

Use a converter.
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Gint
post Feb 11 2004, 07:37 AM
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Nice Mikey!
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krk
post Feb 11 2004, 09:35 AM
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w00t! Way to go Mike!

kim.
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Mueller
post Feb 11 2004, 12:38 PM
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Fiid.....

I already built a controller for my small mill/lathe.....I found the plans on the 'net and bought the parts to build it....this little box along with an old used PC (DOS, Windows or Linux) will basicly replace the two big boxes on the Bridgeport.

Currently my controller is closed loop (servo), but the Bridgeport is open loop so I will have to change a few things.

meursault...

Check out Yahoo Groups...CAD_CAM_DRO....DIY stuff, this is where I found my information and support......cheaper and more fun (sorta) then buying something off the shelf


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East coaster
post Feb 11 2004, 03:03 PM
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That's awesome if you can move it as one piece. I've moved mine a couple times now and had to break it down into 3 pieces.
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jridder
post Feb 11 2004, 07:58 PM
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I use an Hitachi SJ100-022NFU variable frequency drive to run my Bridgeport. I got it here - http://web2.automationdirect.com/adc/Shopp...0V/SJ100-022NFU - about two years ago. If you go that route you need to make sure it has 1 Phase input and 3 phase output (The NFU's do and the LFU's don't).

Jonathan
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fiid
post Feb 12 2004, 12:27 PM
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That's so hella-cool.

Rock on.
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BIGKAT_83
post Feb 12 2004, 03:13 PM
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Got a Bridgeport series II interact mill a few months ago. I picked this up for a song. Now all I need to do is figure out how to program and run the thing. The yahoo group you linked to looks like there is alot of good info.

Bob (IMG:style_emoticons/default/smilie_pokal.gif)
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Mueller
post Feb 21 2004, 11:11 AM
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Bringing home my new toy !!!!


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Mueller
post Feb 21 2004, 11:15 AM
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getting it in the garage was fun...with the door open, it was 82" from ground to door....

Bridgeport is a tad bit taller at 84" !!!!!
Luckly for me, I got the one that has the tilting head....I almost got one that was totally rigid which would require the motor to be removed (ugly job)

Notice how close to the C2 (IMG:style_emoticons/default/cool_shades.gif)
This is trusting the mover !!!!


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Mueller
post Feb 21 2004, 11:18 AM
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finally in the garage........

this is it's temp home until I finish my workshop....
I have a few options to get the unit in my backyard...

1)build a new concrete pathway from the front yard to the back and rent a forklift

2)get a crane to pickup and lower the unit....

#2 is about $500 so I'll be laying down concrete this weekend (IMG:style_emoticons/default/smash.gif)


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