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Type: Posts; User: burbingus

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  1. Replies
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    Re: Spindle rebuild NM-135

    I would give John a call using the number on the home page of the website. He's always been helpful but is a busy guy. It looks like there's some interesting activity on the website....

    Micah
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    Re: New Face Milling Options BobCAM V7

    Thanks Al!
  3. Thread: Concrete VMC

    by burbingus
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    Re: Concrete VMC

    This has to be my favorite thread on the forum. Nice work!
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    Re: Trim and Extend Profiles

    Thanks for posting Al!

    On my facebook feed, there was a video about face milling options in V7, but I was unable to find it again. If you have a moment, could you post that here as well?
    ...
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    That was a tricky problem. Glad you fixed it and...

    That was a tricky problem. Glad you fixed it and thanks for letting us know what it was!
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    Re: PM25 Conversion Up/Tolerance down

    I would think that the steps/distance would be okay if the circle you made came out correctly, but I don't have any better ideas on what to check.

    It might be interesting to rotate the part 90...
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    Re: Auto Tool Changer

    Great work on your design! I have a different mill model but have been thinking about building an ATC for it. I would have to adapt a lot of your design to my particular machine and controller. I...
  8. Thread: Concrete VMC

    by burbingus
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    7,940

    Re: Concrete VMC

    Thanks for showing us those. The parts look beautiful!
  9. Re: Key or slot cutting mill with edge radius

    No problem, good luck!
  10. Re: Key or slot cutting mill with edge radius

    Hey Dave,

    It looks like Harvey Tool has some cutters that might be what you're looking for. Check out this link:

    Harvey Tool - Carbide Keyseat Cutters - Full Radius

    Harvey Tool - Carbide...
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    Re: Teensy Weensy Drilling op help?

    Second what ERUS said. Spot drill first with a center drill, then peck drill with small depths.
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    Re: Buying first metal lathe

    I have a 7x HF mini lathe that I've upgraded with a lot of parts from LMS. I have the extended cross slide, 16" bed, QCTP, tailstock, etc. To do it over again, I would probably have gotten...
  13. Thread: Concrete VMC

    by burbingus
    Replies
    192
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    7,940

    Re: Concrete VMC

    That is so rad
  14. Replies
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    Re: Epoxy Granite How-To Video

    That was really informative. Thanks for all of your work putting it together!
  15. Re: Anyone considering the centroid Acorn instead of path pilot?

    No doubt, please keep us updated. I've been reading all of these posts as well.
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    Re: Linear encoder recommendation

    Hey Al,

    Thanks for all your help so far. My goal is to use a dual feedback with servos closed in their drives and then linear encoders communicating with the main controller. This will be with a...
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    Linear encoder recommendation

    Hi guys,

    I'm looking for recommendations for incremental linear encoders to add to each axis on my Pulsar mill. I'm hoping for something that will have at least 0.1 thou precision and good...
  18. Re: Anyone considering the centroid Acorn instead of path pilot?

    It will be interesting to see. I had considered the Acorn, but I want to mess around with additional functions and tools for my device and have decided on LinuxCNC instead. I'm planning on using a...
  19. Re: Face cutting 2 inch carbon steel bar stock

    I read an interesting topic on another forum about the feeds and speeds for 1018 steel which is very similar. They seemed to suggest running it dry with an air blast was the best bet. I think Jim's...
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    Re: Hydraulic PDB?

    I haven't seen those before, they look pretty neat! I would be really careful doing this though. Most of the pneumatic actuators I've seen are only rated to 150 or 200 PSI.
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    Re: NM-145 - Mach 3 Random Freeze - Help

    Hi Eric,

    I can't help a lot here, but it sounds to me like you have a controller card issue, not necessarily a Mach 3 issue. I would guess that the controller card has something failing and it's...
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    Re: How to mill-cut PVC with a cnc?

    Hi Chris - I haven't milled PVC but have worked with other plastics and have melted them before. In general, I think you will want a 2 flute end mill versus 4. Also, you want to lower the spindle...
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    Re: Torque needed for Pulsar servos

    That's the continuous torque for those servos.

    Is a brake a good idea on these?
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    Re: Torque needed for Pulsar servos

    It looks like the Torus Pro uses 1.2 kW servos in the same family as the Pulsar. They both make 4 Nm of torque, but the Torus version is faster, running at 3000 RPM where the Pulsar rated speed is...
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    Re: Torque needed for Pulsar servos

    Thanks mactec, that helps me get my bearings on this a bit.
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