543,873 active members*
2,345 visitors online*
Register for free
Login

Search:

Type: Posts; User: switch2472

Page 1 of 2 1 2

Search: Search took 0.00 seconds; generated 23 minute(s) ago.

  1. Kitamura Mycenter 0 Conversion to single-phase

    This week I'll have a Mycenter 0 delivered, and I will have to convert it to single-phase power. I don't think it will be a difficult job, however I won't know until the machine arrives.

    It has...
  2. Replies
    4
    Views
    192

    Re: Harmonic drive knocking noise

    Check through this.

    I suspect your problem is covered on page 35 out of 57.

    https://www.harmonicdrive.net/_hd/content/documents1/CSG-CSF_Component.pdf
  3. Re: Welded Steel Frame VMC-Interpreting simulation results

    It is a standard size, however nobody local has any to sell me right now. I can order it in...at an obscene cost.

    I'm looking at how to hang the counterweight on the Z-axis too, either I need to...
  4. Re: Welded Steel Frame VMC-Interpreting simulation results

    I still think the welded steel column will be stronger and stiffer in the end. The cast iron pillar was just given to me.

    I will eventually do something with it. Also there are cast iron 3" wall...
  5. Re: Welded Steel Frame VMC-Interpreting simulation results

    New thoughts.

    I've been given a cast iron column from a Hardinge-Handsvelt sinker EDM. It's 39" from base to the top of the casting, and 10.5" x 8.5" across the column. It does have a big cast in...
  6. Re: Where to learn HSMWorks for Solidworks?

    Yeah, I think they're the same, but I *KNOW* as soon as I assume they're the same, there will be a machine-crashing difference between the two.

    I'm slowly working it out. Not ready to risk a...
  7. Re: Welded Steel Frame VMC-Interpreting simulation results

    In SW when you create the mesh, you select faces that are bonded and assign them a rigid bond or a flexible bond, if flexible you have to designate a LOT of other information so I have every...
  8. Replies
    4
    Views
    192

    Re: Harmonic drive knocking noise

    If you've had the drive apart, check to be sure the flex spline isn't off-center. If the spline is installed correctly where it only contacts the circular spline 180* apart. If the flex spline is...
  9. Re: Importing geometry into solidworks-why can't I select an end face as a boss extru

    Sorry for not updating this thread-I ended up just robbing the face geometry and creating a new file.

    The original file is available through Hiwin, I just emailed and asked for a solidworks model...
  10. Re: Welded Steel Frame VMC-Interpreting simulation results

    Still having issues getting the simulation to work out properly.

    Found out that my sims aren't accounting for any kind of internal structure in the column-any bracing I install is meshed but isn't...
  11. Re: Do Morse tapers need a matching internal taper in mills?

    Yes, you must use a mating taper.

    Milling machines normally would not use a self-locking taper like the Morse taper, if you are having a new spindle made for a mill, go with an R8 taper for manual...
  12. Re: Welded Steel Frame VMC-Interpreting simulation results

    AH-HA!

    I've been reading the 100N/0.001mm as a deflection of the *column* not at the tool. Considerable difference there.

    Yes, the internal braces for the column are steel "doughnuts",...
  13. Re: Welded Steel Frame VMC-Interpreting simulation results

    Lilrex,

    I expect about 400lbs of torque on the column. With a 2.5HP spindle motor, the spindle limits the forces here. I computed the loads based on a .5" 4-flute Harvey Tool end mill running...
  14. Re: Welded Steel Frame VMC-Interpreting simulation results

    Peter...this IS the Z axis. There is a reason I'm working on it first.

    The material being used is "red granite", not quartz, in the linked article.

    Take note also, the simulation shown above is...
  15. Re: Welded Steel Frame VMC-Interpreting simulation results

    Got some more data here.

    Added some 3/8" gussets that will clear the ballscrew, and filled the column with epoxy-granite fill, using an 80:20 ratio of aggregate to epoxy. I used the parameters...
  16. Re: Welded Steel Frame VMC-Interpreting simulation results

    I can't edit the posts, so I will re-link the images here directly, Peter.

    This is a few views of the column:

    https://i.imgur.com/OyXapvc.jpg

    https://i.imgur.com/4eCtyBh.jpg
    ...
  17. Re: Welded Steel Frame VMC-Interpreting simulation results

    Peter-the links are working fine for me. They're direct links to my image hosting, and CNCZone complains that the images are too large if I try to reference them locally. They shouldn't be links,...
  18. Re: Welded Steel Frame VMC-Interpreting simulation results

    Here's a few shots of the column, from a few days ago. I have finished the weld around the base plate, and gotten the two rearmost reinforcing ribs welded in.

    https://i.imgur.com/RGiMZSWh.jpg
    ...
  19. Re: Welded Steel Frame VMC-Interpreting simulation results

    I spent some time today tapping on the welded column and pressing my hand against various places to see where the ringing is happening, and using a microphone and laptop to figure resonances. The...
  20. Re: Welded Steel Frame VMC-Interpreting simulation results

    After spending a LOT of time on this today, I've come to the conclusion that nothing I add is going to increase the stiffness or move that first resonance frequency. I can push the 2nd mode and...
  21. Re: Welded Steel Frame VMC-Interpreting simulation results

    Peter, we are in agreement as to the effect of mass on resonant frequency...I do NOT want to add more mass than needed, (increase mass) as this lowers the resonant frequency, exactly as your model...
  22. Re: Welded Steel Frame VMC-Interpreting simulation results

    I have the model above fixed by the bolt holes in the base plate, I grabbed the cylinders that the bolts clamp through and used them as the fixture surface, so the above simulation assumes that there...
  23. Welded Steel Frame VMC-Interpreting simulation results

    Building my new machine, based on waterjet scrap and surplus industrial components. (as you do)

    I modeled the column weldment in solidworks, as the materials to hand drove the construction of the...
  24. Where to learn HSMWorks for Solidworks?

    Got HSMWorks for Solidworks, got it installed, and working 4 years ago and haven't been using it, as most all the parts I am making are legacy product that has been programmed LONG ago. It's time to...
  25. Replies
    1
    Views
    422

    Re: Tsubaki Ground C5 ballscrews for sale

    Got more information on these screws.

    Two are new, one is *probably* used. These are supposedly for an Okuma MV-40B VMC. 40mm diameter ballscrews.

    I'll drop the price to 75$ each, I'm getting...
  26. Importing geometry into solidworks-why can't I select an end face as a boss extrude?!

    Importing a "Solidworks" file supplied by a manufacture. It's a linear rail assembly, I'm importing the rail.

    Simple, simple stuff here. I have a short section of rail modeled in whatever they...
  27. Replies
    20
    Views
    1,007

    Re: Steel structure in EG or just inserts?

    Don't forget attachment points for your way covers and coolant surround.
  28. Replies
    1
    Views
    422

    Tsubaki Ground C5 ballscrews for sale

    I have three Tsubaki 50mm diameter grade C5 ballscrews, double-nut zero backlash type, that are about 42-43" in length. Each end is machined, one end has a large internal hex and external metric...
  29. Replies
    12
    Views
    957

    Re: Dyn4 drive for older Yaskawa servo

    So I got brave and pulled the encoder cover plate tonight...wouldn't you know it, the danged thing was PACKED in wood powder. I'd imagine that might have something to do with the encoder not reading...
  30. Replies
    12
    Views
    957

    Re: Dyn4 drive for older Yaskawa servo

    I may have found a good solution-the motion control card I am using is from Mesa Electronics, and they offer an integrated 2.2kw "dumb" servo driver that works with this type of encoder and motor....
Results 1 to 30 of 37
Page 1 of 2 1 2