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Type: Posts; User: chimpera

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  1. Limit input completely useless design? R21X0

    Limit input completely useless design? R21X0
    There seam to be 2 problems that make limits 100% unusable
    1. Normally open. This means that electrical noise can trigger the limit.
    2. once triggered...
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    Amateur 5x10 waterjet table build

    I had the good luck of finding a waterjet pump for less than the price of a Hypertherm. I am planing to build a water table and Gantry system to go with it. I havent been able to find any other build...
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    For those not familiar with high leg delta, the...

    For those not familiar with high leg delta, the potential between L1 L2 and L3 is always 240V. Most three phase motors will run better with 240V, plus you can run 240v single phase equipment. The...
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    Best type of three phase for a shop

    I am building out a shop and have the choice of high leg delta three phase(240v)
    High-leg delta - Wikipedia, the free encyclopedia
    and standard Wye three phase(208V) from the power company. This is...
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    Gamata cnc laser info

    I am acquiring a gamata cnc laser that was manufactured in the dallas area at one point. The control PC is dead and Im hoping someone has a copy of the software, or knows the developer Matt Wells so...
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    Al, that diagram makes almost everything clear....

    Al, that diagram makes almost everything clear. The only thing left is that two legs of 240v three phase are supposed to only have a potential of 208v. If that's correct then I would need a...
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    Is your proposed wiring a. L L L---\_1:1...

    Is your proposed wiring
    a.
    L
    L
    L---\_1:1 transformer
    G---/

    b.
    L
    L---\_2:1transformer
  8. Replies
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    So NEMA L18 connectors only have a neutral and no...

    So NEMA L18 connectors only have a neutral and no ground. If this is never permissible why does it exist? Basically I'm wondering if I can get away with 4 conductors on 3 phase equipment that have...
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    Hi Al,I was hopping you would show up. Can I...

    Hi Al,I was hopping you would show up. Can I interpret your response to mean that its ok to have one conductor going to the machine act as both neutral and ground?

    Thanks, Ben
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    three phase wiring with only a N for 120

    So I am researching how to wire a warehouse that will be used with 3 phase machinery. A lot of it will be retrofitted or built from the ground up because its a maker space.

    According to...
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    I would look at the dso nono quad DSO Quad - 4...

    I would look at the dso nono quad

    DSO Quad - 4 Channel Digital Storage Oscilloscope [TES101D2P] - $199.00 : Seeed Studio Bazaar, Boost ideas, extend the reach

    great for machine trouble...
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    11,968

    I would be ticked to buy such an expensive...

    I would be ticked to buy such an expensive machine that had been artificially crippled.
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    12,860

    The mailing list is: [email protected]...

    The mailing list is: [email protected]
    There are currently 17 members. I'm ready for another meat up.
    -Ben
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    I have a 1950's 14" SB. I would recommend that...

    I have a 1950's 14" SB. I would recommend that you let this one go. Its a nice lathe for the right person but not as a primary lathe for a beginner.
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    What the world needs, a hardware NURBS motion engine!

    This may not be what your looking for but I see a big hole in the market that you might be able to fill. What is needed is a full NURBS motion engine with inverse kinematics built in. Nurbs curves...
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    If you plan on doing surface mount in the future...

    If you plan on doing surface mount in the future I highly recommend the 898D. Its a great unit and a great price. I picked mine up for 105 shipped.
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    786

    I could be mistaken, but I believe i have a Allen...

    I could be mistaken, but I believe i have a Allen Bradley VFD which supports this in its firmware.
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    congratulations!

    congratulations!
  19. Replies
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    11,261

    screw whip shouldn't be a problem. Try setting...

    screw whip shouldn't be a problem. Try setting your acceleration really low. Otherwise its a matter of to much friction on the rail, or the screw. Is the g540 picky about the pulse length coming from...
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    Hi, I like your build but it has week point in...

    Hi, I like your build but it has week point in its design. The distance between the front and back gantry bearing blocks is insufficient. I know you will lose some travel but I think it would be...
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    Please do. Theres no good reason 5 axis cant be...

    Please do. Theres no good reason 5 axis cant be done for approximately 50% more than 3 axis. I think you have a good design.
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    12,860

    I'm in. I think somewhere in Addison would be...

    I'm in. I think somewhere in Addison would be fairly central for a lot of people.
  23. Replies
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    Anyone?

    Anyone?
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    Hi Im hoping someone can save me some hunting. I...

    Hi Im hoping someone can save me some hunting. I remember someone mentioning that some of the spindles had 3-4 bearing and are therefore better suited for milling aluminum. Can anyone point me to...
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    Can you tell me which ones have 3-4? Thanks, Ben

    Can you tell me which ones have 3-4?
    Thanks, Ben
  26. Replies
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    4 bearings

    I read that some spindles have 4 bearings and are therefor better for plunging and aluminum. Can anyone tell me which ones those are?
    Thanks, Ben
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    12,860

    My advice is use your schools machine shop while...

    My advice is use your schools machine shop while you can :)
  28. gjhammer, I think you have a great machine. I'm...

    gjhammer, I think you have a great machine. I'm also impressed with how you listen to others ideas. your machine will be better for it.
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    The belt will either slip or break is my guess,...

    The belt will either slip or break is my guess, so you would need to devise a beefier belt system. also you would need to create a face mill that threads onto the spindle nose because a 3/8 shaft...
  30. I guess the south bend has no defenders and is...

    I guess the south bend has no defenders and is subject to my mercy.
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