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  1. RBC

    Best "Affordable" 4th Axis

    George Forgive me if I have not answered your question. To be honest, I do not recall you asking one. I'm sure that I've just missed it, so please, restate your question and I will provide an answer. Royce
  2. RBC

    Best "Affordable" 4th Axis

    Jim George did say that the machine has 10 pitch screws. It looks like you've done your numbers for 5 pitch. So, as you've already shown, the motor you chose would really do those speeds with either 10 or 5 mm pitch screws. Of course, if you went with 10mm pitch, you could use lower rpm and...
  3. RBC

    Best "Affordable" 4th Axis

    Jim I think he's talking about ingress protection. It's a government rating about contamination prevention. Royce
  4. RBC

    vac pump

    Robin, It may work, but I'm not really sure. I would think that the volume would be suspect. The volume is really critical. It's very frustrating to have the pump running and can't get your part to close fully enough to make a seal. Royce
  5. RBC

    Best "Affordable" 4th Axis

    George, I have the collar clamp. That's how the screws you sold me are setup, and I didn't change it. No, it hasn't slipped, and yes that is good. The only reason anyone has questioned it is because it's the first time any of us have ever seen a setup like that. And, we don't see any benefit...
  6. RBC

    Best "Affordable" 4th Axis

    The reason you don't get an answer George is your talking about 2 entirely different things. With the clamp style that you previously used, the surface area is very important because the friction of the clamp to the shaft is what must hold the working load of the machine. With a threaded...
  7. RBC

    Best "Affordable" 4th Axis

    Ryan I do have an XZero Raptor machine. I've had it for a couple of years now. We use it for inlay parts mostly. I have 2 NSK spindles with ATC, and 2 vacuum hold down assemblies. We run 2 inlay slabs, 2x24, at a time and the machine does very well. I don't use proximity sensors for homing as...
  8. RBC

    vac pump

    Robin Here's what I use for a similar setup. http://www.ebay.com/itm/Vacuum-Veneer-Thomas-Pump-2650-Vacuum-Compressor-3-4CFM-24-VAC-/280740332134?hash=item415d6d8266 It has a pretty high volume, and still pulls a decent vacuum. The high volume helps you to make the initial seal, and the...
  9. RBC

    Best "Affordable" 4th Axis

    Rick Why is it that you think I'm asking George to bash leadshine? Why is it that you think I'm asking George to endorse Clearpath? All I'm asking for are answers to some very simple questions about how to implement a leadshine system. That's all! And I still don't have the simplest of...
  10. RBC

    OB Classic + Ferrule Replacement

    Michael If you're looking to keep it an OB Classic+, I would recommend putting it back like it was. The Classic+ uses a carbon fiber bridge that spans the tenon and is inside the ferrule. Both it and the ferrule will need to be replaced together, and it's a fairly simple process. I would...
  11. RBC

    vac pump

    Robin Tell me a little more about your vacuum table. MDF? Plastic with channels and gaskets? Type of gaskets? Royce
  12. RBC

    Best "Affordable" 4th Axis

    George I have to say that I really don't understand. I haven't asked you a single thing about clearpath. I have asked you for 2 things in these recent posts: I asked about whether or not you were aware of the SD clearpath motors. Which is about you, not clearpath. And I asked you to tell me...
  13. RBC

    Best "Affordable" 4th Axis

    What about the rest of my questions George? I'm giving you the opportunity to join in with us and provide some positive feedback for the readers here. Please don't leave me hanging. Come on and read the post I made and answer some of the questions for the readers here. I'm working our booth...
  14. RBC

    Best "Affordable" 4th Axis

    Randy Well, priorities first, the tuna sounds great! I'm looking forward to it. Now, as to the information, I'd be happy to help with what I can. On torque, servos and steppers are rated differently. Steppers use holding torque, as they are really a holding motor. Servos are rated more by...
  15. RBC

    Best "Affordable" 4th Axis

    Randy I understand where you're coming from, but the only way any discussion can become very helpful is for a legitimate back and forth to occur about the topics at hand. Unfortunately you just can't make someone do that. I've tried to encourage, and even dig some information out of the...
  16. RBC

    Best "Affordable" 4th Axis

    George, You know I did ask you some questions about your knowledge on clearpath but, as usual, you skip right past those and go straight to the leadshine. So, I'll shift gears and move on to what you do seem to want to talk about, leadshine. I took a look at the link you provided, again, and...
  17. RBC

    Best "Affordable" 4th Axis

    George Yes, the Easy Servo system is a stepper based system, and all steppers are brushless DC motors. (BLDC) Again, your inability to even look into what someone else suggests is where you're going to lose me. For you and I to have a simple logical discussion, each side needs to be able to...
  18. RBC

    Best "Affordable" 4th Axis

    George When I was talking about your leadshine motors and mentioned that they were 3 phase, I assumed that you already knew that they were BLDC stepper motors. I believe that you took my comment to be about 3 phase AC induction motors. They are quite different and cannot be interchanged...
  19. RBC

    Best "Affordable" 4th Axis

    George, What makes you think we would run a cnc machine with a programmable driver? Do you think that's how clearpath motors work, with programmable drivers? This is where we have confusion. Clearpath's MCVC motors are point to point and motion control type motors. Their SDSK motors are step...
  20. RBC

    Best "Affordable" 4th Axis

    George, Here's the quote where you said that it wasn't a Harmonic Drive. Sorry, but it is a harmonic drive. Royce
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