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Type: Posts; User: 1875

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  1. Thread: CGM Files

    by 1875
    Replies
    0
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    35

    CGM Files

    Does anyone know of any software that can convert raster and vector images (tiff, png, ai, eps, svg, etc. file types) to CGM file format? I've tried all of the online converters and trial version...
  2. Re: Patents, trade marks, designs and other inellectual property matters

    Open patent might address that.
  3. Re: My homemade CNC router cant cut holes as it should? Anyone know what can be wrong

    I assumed they were aluminum, and even then I was a bit suspicious of the rigidity.
  4. Re: Patents, trade marks, designs and other inellectual property matters

    Dave, I appreciate the feedback and your position. I'm sure you are wanting to help specific situations. I will unfortunately just be able to provide general commentary.

    Jim, that's the truth....
  5. Thread: imperfect circles

    by 1875
    Replies
    117
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    64

    Re: imperfect circles

    I was going to suggest that looks like classic backlash issue. You have rounded squares that are consistent in the X and Y axis. Mach has a backlash compensation in the drop-down menus, but best to...
  6. Re: Patents, trade marks, designs and other inellectual property matters

    Do you agree with the red bus case?
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    Re: Sign too large to CNC machine

    I can't help with details, but yes that is how you'd do it. I would design in some alignment pins to make the move more accurate.
  8. Re: My homemade CNC router cant cut holes as it should? Anyone know what can be wrong

    I would usually look at backlash if you are not getting round holes. The jaggies not sure, maybe lots of backlash and some sticktion. How rigid is the gantry? How much can you bend it if you have a...
  9. Re: What does the DRO read out in Mach normally, mm or inches?

    I always just measured my movement and then calculated from that. For example, if I set 2000 steps/mm and I programmed in 100 mm movement, and I only measure 92.03 mm movement, then I need to adjust...
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    Re: NEW FREE MACH 3 proffessional screenset

    I think the trend in UI development is to move away from text labeling so translation is not necessary. But a good idea is to make language lookup tables so users have the option of customizing their...
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    Upgrade from BOSS 3

    Would Tormach be considered an updgrade of a reasonably running BOSS 3 using Mach3 or LinuxCNC, as far as work capability.

    I think the 770 can hold more weight, has shorter travels, and is about...
  12. Re: Is it bad for chucks and collets to hold drills and endmills on the flutes?

    I will choke up, but am still clamping on an appreciable length of the shank. Some end mills are double end so the flutes are going to up in the collet anyway. I still try to get the bulk of the...
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    Re: Dry milling of aluminum

    Use denatured alcohol or IPA as a cutting fluid. It will help keep the end mill cool and lubricate enough to mitigate chip welding. Then it should quickly evaporate and leave no residue.
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    Re: CNC Bridgeport series 1 boss convert to mach 3

    I kept the original motors - forgot which ones. I've used both Mach3 and LinuxCNC. Still playing with the software part.
  15. Re: Mach3 Coordinate systems; setting X0/Y0; Z-height; re-running jobs; etc.

    Mach will read the code when you load the file. If there is an error, Mach will tell you that and which line. When the code is read on loading, that is when G21 was read and switched to metric.

    I...
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    1,925

    Re: CNC Bridgeport series 1 boss convert to mach 3

    I am using Keiling torroidal power supply, 72VDC 20 amps runs Gecko G203V drivers. Motors wired parallel.
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    984

    Re: Holding thin wall cylinders for milling

    I'd vote 3-jaw with soft pie jaws. You'll be fine once you get more support around the circumference.
  18. Replies
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    Re: MORE PROBLEMS!!! Grrrrrrr....

    Do you run the machine a lot? 3 years sounds like a long run before needing some attention, like to the gibbs as you described. Hopefully it is just a tight gibb.
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    Re: Bridgeport boss 5 z motor wiring

    I think I did them parallel. There was a long discussion from BOSS5 about this.
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    Scorch Works on Windows 10

    Lately I've been using F-engrave and it seems to have slowed down tremendously on my Win 10 machine. Just opening is taking more than 30 seconds to get the program screen. I just tried dmap2gcode and...
  21. Re: F-Engrave 1.58 - Question on tool path and lifting

    I was just reviewing my other post here and I mentioned the same kind of problem there, and I thought it might by my g-code viewer, Jviewer not showing the correct paths. This is the central hub...
  22. Re: F-Engrave 1.58 - Question on tool path and lifting

    OK, I tried using v1.62 and am seeing the same things. I get more tool lifting on a path when I set shorter sub-step lengths. I tried increasing number of pixels (1k to 2k square). I tried a simpler...
  23. F-Engrave 1.58 - Question on tool path and lifting

    I have drawn a gear in black with white background and saved as bmp in 1000 dpi. F-engrave will nicely trace the gear, but some of the tool paths seem to go through the gear or teeth and there is a...
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    Re: Mach3 Keyboard Jog Problem (blue screenset)

    Thanks Gerry.

    I found one reported bug with shift and arrow key. That appears to affect the numeric keypad and I can reproduce that reliably. I use the dedicated arrows and not the shift key. I...
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    Mach3 Keyboard Jog Problem (blue screenset)

    I use the keyboard to jog the table. Usually when I am in step mode and finding an edge. I will accidentally hit a couple keys around the arrow keys or page up/down, and the table will take off.

    I...
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