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Type: Posts; User: Grunblau

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  1. Looking for advice on a machining strategy for difficult plywood parts...

    I am making a custom cabinet for myself and I have been held up on a machining strategy that I may be over thinking. I figure many people on this board may have run into something similar and have...
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    Re: optimizing plywood

    Interestingly, your best bit bet might be an 'innie' rather than an 'outy.' Have a look at these tools...
    ...
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    Re: Grunblau (Rustbelt) Platform CNC [build log]

    I think you may have been the last person to get in at the last moment! This run filled up in less than 24 hours!

    Best,

    -Brian
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    Re: Grunblau (Rustbelt) Platform CNC [build log]

    Thank you very much for your interest! This last semester I ended up teaching full time and doing a project with Habitat for Humanity that took a lot of my time. I had to hold off doing kits for...
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    Re: Grunblau (Rustbelt) Platform CNC [build log]

    Personally, I'd like to find a 1950's Grumman Step Van!
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    Re: Platform CNC router

    I am still making kits! I did two consecutive runs that were just for those people that expressed interest via email. I get between 20-40 emails most days, so many times I mark them for 'next run...
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    Re: Grunblau (Rustbelt) Platform CNC [build log]

    I am glad you have enjoyed it! I recently received my spindle and VFD from UGRA and I am currently hooking up the 220V in my garage so I will have more details on a spindle setup soon! The big...
  8. A new approach to generating Gcode for our DIY CNCs!

    For awhile now, I have been playing with Grasshopper as a compliment to Rhino3d. It is a very useful tool for parametric shape generation, but it also is very good at keeping track of large lists of...
  9. Re: Stepper coupling - beam (helical) vs jaw (spider) - shocks, alignment, finish qua

    I know this is an old thread, but while it is resurrected, I thought I'd throw in my $.02 since I have experience with all three on various builds.

    First is the LoveJoy coupler. I used these on...
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    Re: Grunblau (Rustbelt) Platform CNC [build log]

    Look forward to talking to you in the Spring!



    I believe it is better to have them under mainly for contaminate reasons, but also because the advantages would be unnoticeable. When the machine...
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    Re: Platform CNC router

    Haha! In that case, I would be paying you to buy one of the kits! :D The only reason I can do them for what I do is because I do them in large batches. I actually order the aluminum in sets of 24...
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    Re: Latest news on the Grunblau Platform CNC

    Thank you very much for your comments!

    I am working on this in my spare time. The Platform area is what I arrived at for being perfect for myself as I seem to always do things that fit in the...
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    I hope to be able to show again in Makerfaire, I...

    I hope to be able to show again in Makerfaire, I will need to think of something a bit different this year if I do it again as I don't want to be the 'oh I saw that last year' exhibit. We always...
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    Couple Updates!

    It is time to make a long overdue update to this thread and collect a couple things I posted elsewhere into this one 'project' thread. It is hard to believe that a little over a year ago, I decided...
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    Drag Knife for CNC [Pics+Video]

    I decided to try to make a drag knife for my CNC. In architecture school, we were constantly making models out of museum board and chip board. I wish I had one of these back then!

    I know that...
  16. Idea for fixturing 2 sided work [With Video]

    I thought I'd post this in its own thread just in case there are any suggestions or comments. I am sure there are plenty of tricks and techniques out there so I am probably reinventing the wheel...
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    I wanted to make a post to let everyone know how...

    I wanted to make a post to let everyone know how the first and second production runs went! I have been constantly amazed at how fast people are able to get their builds up and running. There are a...
  18. Sorry I did not see this earlier... Here is a...

    Sorry I did not see this earlier... Here is a page I made awhile ago where I sort of archive stuff I have posted here and elsewhere. I have not posted the digitizer on Instructibles. I plan to,...
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    The table top as I have it is 13" from bottom of...

    The table top as I have it is 13" from bottom of feet to table top. There is a small amount of variance in this depending on how you mount the feet. You can choose to use them to level the machine,...
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    Thank you very much for your comments! I...

    Thank you very much for your comments!



    I wish there was more time in the day! I have a couple new things to share in the next weeks, but if you emailed me, keep an eye out for an announcement...
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    Sell the Z yet? I have a 93 TT that has taken a...

    Sell the Z yet? I have a 93 TT that has taken a back seat to my CNC hobby...

    193218

    Hope to never sell her though...
  22. Thank you very much for your comments! It was...

    Thank you very much for your comments! It was nice to see the progress of your build! Glad to see that you are up and running! Looks great! I hope you post more of your projects!

    Best,

    Brian...
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    Thank you very much for your interest and for...

    Thank you very much for your interest and for getting the plans! I must have missed your email. Please make sure you are emailing me at brian(dot)oltrogge(at)gmail(dot)com. I will look to see if I...
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    With a slight modification I imagine that is...

    With a slight modification I imagine that is possible. If you were to do away with the bottom cross member and add two separate plates for the leadnuts to mount to and would be held by the upright...
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    Hey Ken- Here is some information that one of...

    Hey Ken-

    Here is some information that one of the guys (Steven H) put together when he spec'd out his spindle set up. I hesitate to post full names, but other people are more that welcome to...
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    Hmmm interesting suggestion! How much to you...

    Hmmm interesting suggestion! How much to you use? Do you use a spray bottle?
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    Russ- Check your email! The next run is...

    Russ-

    Check your email! The next run is extremely close! I will be announcing it very soon to all of those people who have emailed me. It seems as though I have somehow lost connection to this...
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    Thank you very much for the comments! I...

    Thank you very much for the comments!

    I somehow missed including the images of all of the parts wrapped and in the Uhaul before the PC! Well here they are, better late than never...
    ...
  29. This is one of the hardest decisions to make when...

    This is one of the hardest decisions to make when starting a build!

    My thought process on building my MDF machine was...

    4'x8' cutting area is ideal as this is how big most all stock is in the...
  30. Thanks for the comments! I got the Precision...

    Thanks for the comments!

    I got the Precision Grade ones. Chances are I'd notice the missing $90 more than .0003" of extra accuracy. Although it seems as though it might be better than that on...
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