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Type: Posts; User: seanano

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  1. Re: Fagor 8025-T Question: How to tell controller the pitch of the leadscrews.

    I'm no expert, but I recently bought a lathe with an 8025-TG controller and have been reading through the manual quite a bit. I haven't seen any tpi parameters. What I have seen are a combination of...
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    Re: Setting up AMC BE25A20 in torque mode?

    Most of the parts I had left over from previous projects. The only thing I had to buy were the CPC1333G chips and I got those from DigiKey:
    ...
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    Re: Setting up AMC BE25A20 in torque mode?

    Sure, here are some pics of the wiring diagrams and the board I made to do the interfacing. The analog pairs don't go through the board but rather are direct connected. The EStop connection shown is...
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    Re: Setting up AMC BE25A20 in torque mode?

    I am currently working on a retrofit using the Mesa 7i92, 7i77, and AMC 30A8 drives in torque mode which should be very similar to your setup. I don't know if you have seen them, but AMC has multiple...
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    Re: Bridgeport Series 1 CNC Questions

    I never actually tested the limit/home switches on mine but the the switches for Z are just micro-switches so they should easily work with about anything. The X and Y axis have a combined home /...
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    Re: Bridgeport Series 1 CNC Questions

    Yes, assuming they worked. If you wanted to limit your risk, just buy one KL-2283 and test it against all the steppers. If the performance isn't what you'd like you are only out $130 and you could...
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    Re: Bridgeport Series 1 CNC Questions

    Some Bridgeport Erikson 30 spindles have a hole in the spindle for a drawbar. If this one does you can use pretty much any 30 taper tool holders (perhaps with a bit of non-critical grinding) and a...
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    Re: Grizzly 0619 Conversion Questions

    The KL-5056 drives have a max of 50VDC so they won't work with the 60VDC power supply listed. If you want to use a single power supply for your steppers then you'll need to use a lower voltage power...
  9. Re: Recommendations on motion control boards & Single Board Computer

    I'm in a similar boat retrofitting a knee mill with a dead Bandit I control using the original cabinets. I purchased a fanless J1900 based mini-pc:
    ...
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    Re: Quick220 for a 220v outlet?

    Your best bet is to check with the landlord. If they don't go for it express you are willing to pay for the new outlet to be done by a qualified electrician, there is a good chance they will go for...
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    Re: Can I use LinuxCNC with this BoB?

    Not for pulse generation or other realtime control. USB can be used for general non-realtime usage though. Probably the most common equivalent for LinuxCNC would be a mesa card. Tormach uses them for...
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    Re: Emco PC Mill 50 benchtop CNC mill

    Thanks, Havoc. :) The Emco sold today. For future reference it fit nicely into the back of an early 2000's Pathfinder.
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    Re: Emco PC Mill 50 benchtop CNC mill

    $2500 or best offer

    https://wichita.craigslist.org/tls/d/emco-cnc-mill/6631159724.html
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    Re: cnc lathe that runs off 110v

    How creative is your electrician? It sounds like you have a 120V circuit in the shop for lights and another circuit with a 120V outlet. If they are on different phases of the incoming 240V you could...
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    Re: Asking price lowered

    $3000 or best offer

    https://wichita.craigslist.org/tls/d/emco-cnc-mill/6599592651.html
  16. Re: CNC Mill for sale cheap 6G OBO , need the space. HAAS VF1

    Not sure why they posted that. You posted an ebay listing in the "Ebay Ads Here" forum. I'm pretty sure you are good.

    That is a great deal on a VF-1. If only I was closer and had the space... :)
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    VFD model information incorrect

    By the way, I noticed I listed the wrong model of VFD that I used. I actually used the Hitachi WJ200-007MF which is the model that supports 110VAC single phase input. The WJ200-007SF only supports...
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    Re: Seanano's Emco PC Mill 50 retrofit

    Havoc, I'm glad you found my build log useful. Please feel free to post any questions and I'll answer as best as I can (I'm certainly no expert).
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    Re: Seanano's Emco PC Mill 50 retrofit

    I don't have the full history of the mill, but the ballscrews appear to be the original factory ones. They do look identical to the ones you have posted in your thread. I'm pretty sure I did slow jog...
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    Asking price lowered

    Asking price is now $3300 or best offer.
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    Emco PC Mill 50 benchtop CNC mill

    I have decided to sell my Emco PC Mill 50 CNC mill. I got it as a learning experience to see if I would like to pursue retrofitting a much larger project I got years ago (Bridgeport Series 1 BOSS...
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    Centroid configuration

    Here is the setup for the Acorn in the mill wizard:

    391696 391698 391700 391702 391704
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    1st successful part

    Learning from the failed attempt, I tried again this weekend. For reference, here is a picture of the part:

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    It is a fixture for another part. I made some minor changes to the part from...
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    1st Part

    I attempted a first part last weekend on the mill. I used Fusion 360 for the CAD and CAM. Here is the part on the fixture plate:

    391296

    This stock is 1" x 1.574" x 4.074" 6061 Aluminum. The odd...
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    Re: Seanano's Emco PC Mill 50 retrofit

    I got some more done on the mill this past weekend. I added some cable clamps to provide some strain relief of various cables. These were 3D printed and then stuck down with double sided tape. I also...
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