Search:

Type: Posts; User: Burkhardt

Page 1 of 20 1 2 3 4

Search: Search took 0.02 seconds.

  1. Replies
    6
    Views
    478

    it is not that trivial as loading a model....

    it is not that trivial as loading a model. Besides the diameter, the pitch and blade profile, the number of blades must be chosen. Then, the material has to hold up with the significant stress and it...
  2. Replies
    10
    Views
    1,036

    Yes, it would not be suitable for a normal...

    Yes, it would not be suitable for a normal spoilboard. But my mid-size machine has an extrusion t-slot table and the "spoilboard" (usually not much larger than the work piece) is held down with...
  3. Replies
    10
    Views
    1,036

    I have such a spindle and use a 2" cutter for...

    I have such a spindle and use a 2" cutter for surfacing. I usually have plywood scraps as disposable spoilboards which need more power than for an MDF spoilboard.
    Works well but there are...
  4. Replies
    10
    Views
    887

    You can export a .csv file from Fingermaker when...

    You can export a .csv file from Fingermaker when you choose the .csv extension (yes the name field goes blank) and then specify a file name explicitly with a .csv ending (not just the file name...
  5. Replies
    3
    Views
    430

    Why would you even want to cut this nasty stuff...

    Why would you even want to cut this nasty stuff (assuming this is pure polystyrene). It is brittle and melts at low temperature. I suspect you need a typical O-flute plastic bit and I would bet you...
  6. One more thing comes to mind. Depending on the...

    One more thing comes to mind. Depending on the bit, feed rate and depth, the forces on the blank will be substantial. While an o-ring cord in a groove can seal the vacuum well (given proper...
  7. You can look for a refurbished oil-less double...

    You can look for a refurbished oil-less double piston pump on eBay like the ones made by GAST or Thompson.
    I have 2 of them and they cost about $150 each some 6 years ago. Usually I would use only...
  8. Replies
    1
    Views
    794

    Simple Step Stool

    I posted that in the Vectric forum already, but I thought my project came out quite nice and I guess not everybody here is on that forum. Please ignore if you have seen it already.

    If somebody is...
  9. The blue or pink insulation foam from HD or Lowes...

    The blue or pink insulation foam from HD or Lowes is usually very low density and pressure sensitive with 15psi compression strength specification. But they make such XPS foam also in 30, 60 and up...
  10. Replies
    7
    Views
    1,507

    I don't know...smells like cut grass to me. I...

    I don't know...smells like cut grass to me. I mean real grass not that grass.
    Anyway, if somebody wants to experiment, get a large APTITLIG chopping board from Ikea:...
  11. Replies
    7
    Views
    1,507

    The darker shades of bamboo are heat treated...

    The darker shades of bamboo are heat treated which makes them pretty but since it degrades the binder between the fibers it does get splintery to the point it is hand to handle without gloves. That...
  12. Replies
    6
    Views
    1,335

    You could try building a torsion box table, that...

    You could try building a torsion box table, that means a sandwich of 2 rigid sheets (like quality plywood) spaced apart a few inches with e.g. a grid of slats. That would be much more rigid than a...
  13. Replies
    9
    Views
    1,090

    I see... FWIW, I have a Canadian General 260...

    I see...
    FWIW, I have a Canadian General 260 lathe (25" diameter swing) and very happy. Super sturdy machine.
    Not sure what you want to spend but here is an example, pobably long gone: ...
  14. Replies
    9
    Views
    1,090

    Looks horrible but maybe with some some TLC...

    Looks horrible but maybe with some some TLC:
  15. Thread: Slipping bit

    by Burkhardt
    Replies
    17
    Views
    2,121

    Sorry, not wanting to overpersuade you ;-) But...

    Sorry, not wanting to overpersuade you ;-)
    But they do have the smaller ones as "Type A" with 30mm hex and in stock. That E20 is actually the one I have. Somehow I thought E25 was mentioned earlier...
  16. Thread: Slipping bit

    by Burkhardt
    Replies
    17
    Views
    2,121

    Ah found the place where I bought them: ...

    Ah found the place where I bought them: https://www.arceurotrade.co.uk/Catalogue/Collets/ER-Collet-Nuts-Wrenches-and-Spanners/ER-Collet-Nuts-with-Ball-Bearing-Type-B
    Pretty good deal for GBP 8.16...
  17. Thread: Slipping bit

    by Burkhardt
    Replies
    17
    Views
    2,121

    I am somewhat sceptical about the 100 hour rule...

    I am somewhat sceptical about the 100 hour rule (other than overly proactive maintenance). There are no moving parts in operation so why should they wear out? I would rather believe if somebody said...
  18. Thread: Slipping bit

    by Burkhardt
    Replies
    17
    Views
    2,121

    I had that problem occasionally with long 1/2"...

    I had that problem occasionally with long 1/2" diameter bits (i.e. 6") when the vibration and leverage worked the nut loose over long hours.
    I have since replaced all my collet nuts with the ball...
  19. Replies
    5
    Views
    735

    Have not thought about it so far but since it is...

    Have not thought about it so far but since it is mentioned what comes to mind the issue of identifying each brew.
    I would make one where each glass pit is a coaster on a pivot with the beer...
  20. Thread: Wave Panel

    by Burkhardt
    Replies
    22
    Views
    3,219

    Obviously wave objects have many variables, like...

    Obviously wave objects have many variables, like size, resolution, wavelength, amplitude, plain or circular etc...

    I have a tool to generate a variety of waves as .stl file (alternatively direct...
  21. Get somebody with a battery operated (to avoid...

    Get somebody with a battery operated (to avoid just another ground issue) oscilloscope to probe the various sections of your wiring in a systematic fashion. Once you "see" the noise (including...
  22. Replies
    61
    Views
    9,399

    I guess I am most proud of building a functional...

    I guess I am most proud of building a functional wooden spoked cart wheel with the help of a CNC machine. I know that skilled craftsmen did that routinely by hand (or with specialized machines) for...
  23. Replies
    3
    Views
    568

    I bought a harmonic drive knock-off several...

    I bought a harmonic drive knock-off several years ago and it works fine. No shopping list but similar to this one with 1:50 reduction. For larger diameters >3" I think this is preferable to the belt...
  24. Replies
    4
    Views
    1,271

    Hello Phil, sorry about the trouble. Should not...

    Hello Phil,
    sorry about the trouble. Should not be necessary to install Dropbox (although it is a very useful service anyway), just download the guillocheinstall.zip file and unzip. But please do me...
  25. Replies
    4
    Views
    1,271

    Projects with downloadable files

    Some may have seen my post on the Vectric forum but I guess not everybody is over there and it could be insteresting for others, too.

    I added 2 new projects that I did recently to my web site with...
Results 1 to 25 of 500
Page 1 of 20 1 2 3 4