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Type: Posts; User: Bruce Griffing

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  1. Re: open source CNC machine - off the shelf components - 3d printed parts - extruded

    Thanks for the reply. Again - a very nice job. Looks like it would be a very nice machine for PCB routing.
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    Re: Truck Spacing

    Thank you very much!!!
  3. Re: open source CNC machine - off the shelf components - 3d printed parts - extruded

    Very nice job. A few questions - which DaVinci printer did you use? What material? Can you say a few words about the 3D printer settings?
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    Re: Truck Spacing

    I would gladly measure one if there was one nearby.
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    Re: Truck Spacing

    Thanks for the input. I had looked that up, but that version uses the old style 45 degree rail. I am using the newer 20mm Hiwin style rail that is used on the more recent Pro design.
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    Re: Truck Spacing

    The carriage bearings on each rail on the x and y axis are spaced apart from each other. I am interested in the distance, from the outer end of one truck to outer end of the other truck on the same...
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    Re: Truck Spacing

    Any of the large machines would be fine. I am building 5'4" x 5'4".
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    Re: Truck Spacing

    Don't see any dimensions there....
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    Truck Spacing

    I am using some CNCROUTERPARTS stuff, but my frame is 45 series rather than 40 series extrusion. I am interested in the outer end to outer end truck spacing on the standard Pro parts. For both the...
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    Sheet goods for 66"x66" table?

    I have looked at plywood - I found sources up to 24' in one direction, but not greater than 5' in the other. I realize I can scarf material together, but wonder if there is a source of some usable...
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    I appreciate Mike's reply, but it turned out to...

    I appreciate Mike's reply, but it turned out to be bigger and more expensive that he remembered. So I am still looking for an alternative.
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    Looking for VFD 220V up to 2kHz

    I have an air bearing spindle that needs a drive - up to 2kHz to get the full 125k rpm. I have a 1kHz VFD, but cannot seem to find anything with higher frequency to run my 3amp peak, ~1/3hp spindle....
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    Looking for 2kHz VFD spindle drive

    I have an air bearing spindle that goes to 125k rpm with a 2kHz drive - 220V, ~3a, 3ph. I have a 1kHz drive that will work but I am looking for a drive that goes to 2kHz at a hopefully reasonable...
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    I did use cut and paste, but I had no idea there...

    I did use cut and paste, but I had no idea there were restrictions on using it. Is cut and paste generally unsafe in Partmaster?
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    Andre- Anyone home?

    Andre-
    Anyone home?
  16. Andy- Thanks for your efforts - it is nice to...

    Andy-
    Thanks for your efforts - it is nice to have someone make suggestions. I think the difference between my case and yours is this - the holes in question are all inside a shallow countersink...
  17. Andy- Are you using VM or VM for SW? ...

    Andy-
    Are you using VM or VM for SW?
    Bruce
  18. Andy- Thanks for your comment. The...

    Andy-
    Thanks for your comment. The operation I am trying to set up is a drilling operation. My choices are 1-drill poiints/circles or 2-holes in a flat area. I have tried both without much...
  19. Selecting sketches from a linear pattern

    I am using VM for SW. I designed a simple pattern for a Tee nut. It consists of a through hole, two counter-bores and 4 drilled holes for the tangs. I then repeated this structure using the linear...
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    Andre- Have you been able to reproduce the...

    Andre-
    Have you been able to reproduce the problem?
    Bruce
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    OK, I am using VM for SW and I did find the...

    OK, I am using VM for SW and I did find the option to solve the problem in the program itself, rather than the post.
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    I will add one more data point. I use a dongle...

    I will add one more data point. I use a dongle on two different machines. One is a 32bit WXP machine and the other is a 64bit W7 machine. They both exhibit the same behavior on this file.
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    This is my first attempt to attach the file - I...

    This is my first attempt to attach the file - I hope it worked. If not, I will try again.
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    Helical interpolation in post

    How do I turn on helical interpolation in the post processor? This will save a ton of code. A friend suggested doing it, so I know it can be done.
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    Here are three links to the simulation output...

    Here are three links to the simulation output from the my file. It has 4 form driven drill and tap operations on a grid. The first two use a larger mill and the second two a smaller end mill. Each...
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    Problems with Drill&Tap on a Grid

    First, let me ask if I have the most recent version of 10 - mine is 10.0.1006. My problem is that when I do a sequence of 4 Drill&Tap grid operations, CAM becomes confused and holes end up in the...
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    Jon- I have a logic analyzer, not the...

    Jon-
    I have a logic analyzer, not the necessary Fanuc controlled machine tool. My Kitamura has incremental encoders. It is my only Fanuc machine. We need to find a willing someone with a...
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    My guess is the only way we are going to discover...

    My guess is the only way we are going to discover the command sequence that references an absolute encoder is to attach a logic analyzer to a machine that has an absolute encoder and reference it. I...
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    tc - So if I understand you correctly, the...

    tc -
    So if I understand you correctly, the procedure for resetting zero after a battery failure is as follows: Reference zero as I described above and leave the axis in that position. Then set...
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    On my Kitamura, I have the incremental encoders...

    On my Kitamura, I have the incremental encoders equivalent to the absolute encoder Jon is testing. When I reference them, the machine drives the axis to a switch and then continues driving to the...
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