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Type: Posts; User: Jay C

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  1. Replies
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    That's a beast of a machine, what is your...

    That's a beast of a machine, what is your intended application?
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    10,587

    inventor83, have you used leadscrews or ball...

    inventor83, have you used leadscrews or ball screws on your cnc router? I don't think it's fair to compare the two. 200ipm or 1200" per second is great for travel and jogging, but I have never milled...
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    10,587

    Oh wow, the runout of a Dremel will kill your...

    Oh wow, the runout of a Dremel will kill your project. Look at something/anything with a better spindle like a Proxxon IB/E, Bosch Colt.
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    Travels at 40 inches per minute are just...

    Travels at 40 inches per minute are just tolerable on my 18x7.5" router. 60ipm would be nice, but I'm not a production shop so I live with it. Cutting speeds are dependent on your spindle, depth of...
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    That's some imagination :) Try rotating the...

    That's some imagination :) Try rotating the drawing 90 degrees CW and what do you see?
  6. Thread: pcb bit

    by Jay C
    Replies
    13
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    2,733

    The smaller the tool the faster it needs to spin....

    The smaller the tool the faster it needs to spin. 16K to 20K RPM. Have you tried running 2 passes? The second on is used to clean up the edges.
  7. Thread: pcb bit

    by Jay C
    Replies
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    2,733

    You meant 0.1mm right? You are tearing the...

    You meant 0.1mm right? You are tearing the copper, not cutting it. Your tool is too dull, and you depth of cut may need to be reduced as well. Also, what type of spindle, runout can cause some...
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    Update: I needed to make some updates to the...

    Update: I needed to make some updates to the build file to add in the compiling so that the Main.class file would reflect the changes. The fix #1 works.

    Here is what I am using for the .build file...
  9. Replies
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    My Java is rusty, do you mind recompiling the...

    My Java is rusty, do you mind recompiling the .jar file with the fix? In the meantime, I'll try to wake up some brain cells.

    Update: I installed JDK 1.7, installed WinAnt and recompiled new...
  10. Replies
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    20,195

    My Java is rusty, do you mind recompiling the...

    My Java is rusty, do you mind recompiling the .jar file with the fix? In the meantime, I'll try to wake up some brain cells.

    Thanks,
    Jay
  11. Replies
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    20,195

    I tried your software this past weekend Marcus, I...

    I tried your software this past weekend Marcus, I got an error message from Mach3. "Line too long"

    This is the offending line at the top of my modified gcode file:
    (Inch Mode)
    G20
    (Absolute...
  12. Replies
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    2,652

    Like this: Printing circuit boards on Mendel |...

    Like this: Printing circuit boards on Mendel | UltiMachine
  13. Replies
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    2,652

    When you say "print circuit boards" what do you...

    When you say "print circuit boards" what do you mean. Most DIY project use a chemical etch process, in this forum, we use a mechanical etching process. When I read your post I'm imagining silkscreen...
  14. If you are going low cost, do not sacrifice the...

    If you are going low cost, do not sacrifice the spindle. Kress or Bosch Colt (what I use) would be a good first choice. I have also used Proxxon IB/E but it doesn't like long sessions. I have to...
  15. Replies
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    Wow...this is a very high-level professional job....

    Wow...this is a very high-level professional job. Thanks for sharing.
  16. Is the intent to "roll your own" or are you more...

    Is the intent to "roll your own" or are you more interested in having a PCB mill that you can use to make your own PCBs? For Nema17 I would look at the the Pololu stepper motor drivers and work on a...
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    2,377

    Here's one Romaxx CNC Router HS-1 machine a CNC...

    Here's one Romaxx CNC Router HS-1 machine a CNC workhorse | Romaxx CNC Router Systems
  18. Replies
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    Can't speak for Makerbot stuff, never used it....

    Can't speak for Makerbot stuff, never used it. Didn't realize you already had the reprap motherboard, forget what I said.
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    Hua, look at the RAMPS...

    Hua, look at the RAMPS or Rambo Reprap motherboards. Also look at the free and open source tool chain of Slic3r and Pronterface. The path Dan has taken is for CNC machine owners that want to add 3D...
  20. Thread: PCB milling tool

    by Jay C
    Replies
    4
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    672

    I use the Colt as a PCB milling spindle and it...

    I use the Colt as a PCB milling spindle and it works fine for 0806 parts. But the Colt is around the same price as the Proxxon IB/E (I have that one too) so how much is a GMR?
  21. Replies
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    So the time required for a job depends on the...

    So the time required for a job depends on the size of the area, diameter of the bit, material, machine. I know little about your machine so if you are talking 5 hours, I'm imagining a tp speed of 10...
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    Or, you could cast some new ones. Amazing putty...

    Or, you could cast some new ones. Amazing putty plus some Alumilite and you could pour a new one as needed. Requires you have a good cover to start with.
  23. Replies
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    One correction, it's RAMPS...

    One correction, it's RAMPS short for RepRap Arduino Mega Pololu Shield.
  24. Replies
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    Photos please.

    Photos please.
  25. Replies
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    I don't have this machine, but based on your...

    I don't have this machine, but based on your description:
    * Could be the Z axis is loose allowing for slop/movement when the resistance of the material is too high.
    * Could be that the router bit...
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    Allow me to suggest another "issue" The Dremel...

    Allow me to suggest another "issue" The Dremel tool as a spindle. The run out on those is awful. For tips/hints on using MDF be sure to visit...
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    Sticky: Yes as long as you meant 0.06" plate

    Yes as long as you meant 0.06" plate
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    11,255

    I use a 5 gallon frosting bucket from the local...

    I use a 5 gallon frosting bucket from the local supermarket. Might have to ask the barkery manager, but when Schnucks was here, they would put them for sale for a $1. Has a nice silicone seal.
  29. Replies
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    Sticky: Also, please test the code way above where it may...

    Also, please test the code way above where it may crash into the table should the code not be right. I use different code and don't see any use for a double touch. You may want to change the F...
  30. Replies
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    Sticky: Why bother with a double touch? If you really...

    Why bother with a double touch?

    If you really want it though, try:


    Message( "Auto Zeroing..." )
    If IsSuchSignal (22) Then
    code "G31 Z-3 F20"
    While IsMoving()
    Wend
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