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Old 10-17-2010, 07:11 AM
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AJinNZ AJinNZ is offline
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Default Explain this thing

I have just seen this machine on an auction site.

I know it is a copy mill.........but how?

Where do the copy part go?

If the part to be copied is somewhere, then what does the control doodad do?

And this is almost hypothetical ( but you never know which path an addiction will lead you down so nothing is certain ).......but is it something worth having or too specialised to be of real use to a home shop?

edit...damn.....forgot the link

http://www.trademe.co.nz/Business-fa...-324915872.htm

It is after 1 a.m......brain not firing on all cylinders.
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Old 10-17-2010, 08:16 AM
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In the picture slide show, #4, it shows what looks like a 'second spindle' on the right of the machine with hydraulic lines running to it. That 'spindle' will have a stylus mounted in it and the original 'pattern' part will be under it clamped to the table, in a vise, whatever. As the machine moves around, it senses the pressure from the stylus against the pattern, and then moves the table and spindle to machine the new part accordingly.

They were really made for production before CNC came about, and for the most part don't have a lot of use anymore. However the right person could make use of them, as sometimes imagination will allow the user to make some pretty neat things with something like this. (Also assuming everything works as it should.)

Some of these machines can be used as a regular mill without issue, others are pretty much stuck as a 'copy' type machine. With this one, for a home 'mill' I don't see an easy way to manually move the spindle up and down, so drilling could be a major PITA, which, is an often required operation.
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Old 10-17-2010, 08:31 AM
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Quote:
is it something worth having
If you're good working on 1950's technology, have lots of time, can make your own replacement parts, can trace out the circuits & find the vacuum tubes for the control, etc., then maybe.

Those mostly go for $100 or less at auction, or get no bid at all. It would make a heck of a coffee table
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  #4  
Old 10-17-2010, 09:03 PM
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greywynd

Thanks for the info. I might go and have a look at the thing and see if it can be used as a standard mill and also what size motor is running it. I often wind up with 3 phase gear as it is way cheaper and many dont want it. I just swap the motors over and add a new switch.

I doubt very much I would have a need for a copy function, but a mill wouild be awful nice.


If you're good working on 1950's technology,

Kinda depends on the technology as far as I am concerned.


have lots of time,

uhh........nope


can make your own replacement parts,

Possssssibly......depending on the part


can trace out the circuits

That could be a fly in the oinkment. I am not overly keen on electrickery. Cant see it coming and it dont play be the rules like water does.


& find the vacuum tubes for the control, etc., then maybe.

Vacuum tubes................I have a vacuum cleaner?
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  #5  
Old 10-17-2010, 09:41 PM
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Quote:
Originally Posted by AJinNZ View Post
I have just seen this machine on an auction site.

I know it is a copy mill.........but how?

Where do the copy part go?

If the part to be copied is somewhere, then what does the control doodad do?

And this is almost hypothetical ( but you never know which path an addiction will lead you down so nothing is certain ).......but is it something worth having or too specialised to be of real use to a home shop?

edit...damn.....forgot the link

http://www.trademe.co.nz/Business-fa...-324915872.htm

It is after 1 a.m......brain not firing on all cylinders.
Looked at the model number and did a search and found this. It is called a spindle engraving machine, whatever that is.

http://inv.nationalmachy.com/q/webin...b,,,20006089,a
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Old 10-18-2010, 05:30 AM
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Thank you Milo

I didnt think to google it. It could potentially be made into a good machine. I have no idea where I would put it and moving the thing would be an exercise in itself.

Just for giggles if I am in town I will drop in and check the thing out.
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  #7  
Old 10-18-2010, 10:19 AM
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Quote:
Originally Posted by AJinNZ View Post
Thank you Milo

I didnt think to google it. It could potentially be made into a good machine. I have no idea where I would put it and moving the thing would be an exercise in itself.

Just for giggles if I am in town I will drop in and check the thing out.
If I remember right the info said it weighed 3000+ lbs.
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Old 10-20-2010, 02:46 AM
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I don't see any calibrated knobs that will allow you to use the tracer in a manual mode for milling.
Without a manual there maybe a problem reconnecting the hydraulic lines from the controller to the machine.

If it's an engraver the spindle rpm may be up around 25,000.

Looks as if the over travel linkage has been removed or something from the front and who knows what, I say do not buy it.
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  #9  
Old 10-20-2010, 06:17 AM
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I have already decided not to bother with it. Was going to go and have a look, but the size of the thing will make transporting it a problem unless I pay someone to do it.

Plus I have nowhere to put it right now and even if it was going to function with some tweaking, I just dont have the time to put into it. Way way to many other things ahead of it in the line.

I will however keep an eye on the auction as I am curious as to what it sells for. Things via this seller usually go for a lot more than I would expect to pay.
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