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Type: Posts; User: URSTech

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  1. Re: Encoder/servo selection for a Robotool centroid retrofit

    You could look into flashcut CNC if you are replacing the control system. fairly robust controller with a solid CNC user interface.
  2. Re: What retrofit candidate for my constraints?

    We actually have a RoboTool that is excellent Taiwanese iron but its controller is shot. I was researching controllers for it but decided that the amount of time that was required to do the...
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    Re: Benchtop CNC training lathes?

    Wabeco are German made unless I'm mistaken. They are very well made though, friend of mine has one of their mills and that thing is just a beautiful piece of machinery.

    You could of course always...
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    Re: Benchtop CNC training lathes?

    Wow I would love to pick one of these little guys up if you can really get them for $250-$500. Mind sharing what auction sites you frequent for them? I was checking out ebay a bit but have not come...
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    Re: Benchtop CNC training lathes?

    I think I recall seeing a Rhino ST/6 once at a community college. They are small slantbed lathes. this particular one had turret, was pretty cool.

    The ME department at my school has a Boxford...
  6. Re: Choosing lathe headstock spindle for CNC build

    Check out the S J H benchtop lathe build

    http://www.cnczone.com/forums/vertical-mill-lathe-project-log/40584-benchtop-cnc-lathe-build.html

    I think he sourced the mini lathe spindle and...
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    Re: 10"x12" Scratch built lathe

    really beautiful work here, been following the thread for a while now. I am curious how you plan on covering the bed rails/ball screw? The few Haas we have in our shop seem to have a piece of sheet...
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    Re: Will FlashCut work with older existing Servos?

    Yea 500 PPR is very low, I will probably try and find some new ones around 2000 PPR. I noticed one of the optical disks had a little crimp in it so I might have to replace it anyways. My RoboTool was...
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    Re: Will FlashCut work with older existing Servos?

    Interesting site and some pretty cool projects... my German is a bit rusty though!



    Turns out they are HEDS-5500 A06 encoders. 500 PPR is a little low but it should work to get things going...
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    Re: Will FlashCut work with older existing Servos?

    Hmm I will take a look this monday if I can. How did you get around the resolver issue? Based on what I am reading there are some converters, but it seems simpler to just install an encoder on the...
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    Re: Will FlashCut work with older existing Servos?

    Curious how you know it has resolvers? Was that just from the age or is there info on the Servo nameplate that gave that info away?
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    Re: Will FlashCut work with older existing Servos?

    I have/am looking at the Ajax Centroid all in one. Seems like a good system and I plan on pitching it to my boss along with FlashCut. Right now the main perks for Centroid is that our machinists have...
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    Re: Will FlashCut work with older existing Servos?

    Well I gave Flashcut a call and they sounded a little disappointed when I told them I wanted to use my own servos/hardware. They made a big deal about not being sure if their system would be...
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    Re: Will FlashCut work with older existing Servos?

    Ah ok yea I was thinking I could just wire the PSU into the drivers without needing the amps which was why I asked the question before about the amp's function. Now that I look at my question I did...
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    Re: Will FlashCut work with older existing Servos?

    I guess what wondering is if I replace the drives with either of the ones I listed above would that make the machine compatible with Flashcut? In either case I will try and give FC a call tomorrow...
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    Re: Will FlashCut work with older existing Servos?

    yea 80 IPM is about what I am expecting... frankly not sure I want that massive un-enclosed hunk of a bed flying around at 200+ IPM. +/- .005 is standard on all our drawings unless tighter tolerances...
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    Re: Will FlashCut work with older existing Servos?

    Ah well I would like to get nicer servos eventually, but for now I am just going to use what we have so we can keep costs down and get the machine running asap. Surprisingly those servos kept the...
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    Re: Will FlashCut work with older existing Servos?

    If the drives don't take step/dir would it be possible to replace them with ones that do? Or are servos pretty picky about what drives they are paired with? These servos/drives are original to the...
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    Will FlashCut work with older existing Servos?

    Hi all. The machine shop that is attached to my engineering firm has an old (1988) RoboTool CVM-1 sitting in the corner of its shop. the mill is in pristine condition and they said it held tight...
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    Re: RoboTool CVM-1 PC retrofit?

    They actually offered the mill to me for free, but I really don't have a place to put it or the necessary electrical setup. nor do I have the 1-2k to blow on a PC controller setup. Since they are...
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    RoboTool CVM-1 PC retrofit?

    Hi all. So the machine shop that is attached to my engineering firm has an old (1988) RoboTool CVM-1 sitting in the corner of its shop. the mill is in pristine condition and they said it held tight...
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    Sticky: Re: Welcome thread-tell us about you.

    Hi all, I'm a Mechanical Engineering student, currently working my way through college (full time job as an engineering tech, part time school). Thinking about doing a retrofit on a CNC mill which is...
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