What spindle motor should I use? - Page 2
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  1. #21
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    Quote Originally Posted by Vancbiker View Post
    You are correct in that thought. I get that you already have a solution that is working for you but switching to a CNC would not be a bad idea. In the A-B world I did some of SLC-500 and Micrologix programming about 15-20 years ago and I applaud that you have been able to do interpolated motion with a PLC. That is far beyond anything I worked on.

    In addition to motion control, any modern CNC will incorporate an integral, full featured, PLC that the machine builder writes the ladder for. Operation of all the machine peripherals like tool changer, multi gear heads, workpiece loading/unloading are all the responsibility of the machine builder's ladder.
    I'm DEFINITELY going to get a CNC mill at some point...but until then I will be making due with the resources that I have. CompactLogix processors with RSLogix5000 has built in motion control functionality which makes it much easier to program motion control with a fiber optic SERCOS interface and Kinetix 6000 modules. Much easier to use that what you were using 15 years ago I am sure. Thanks again!

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    Quote Originally Posted by TorchHypnosis View Post
    I'm DEFINITELY going to get a CNC mill at some point...but until then I will be making due with the resources that I have. CompactLogix processors with RSLogix5000 has built in motion control functionality which makes it much easier to program motion control with a fiber optic SERCOS interface and Kinetix 6000 modules. Much easier to use that what you were using 15 years ago I am sure. Thanks again!
    That must be true-because you said it?? Fanuc, Mitsubishi (who are the rulers of processing), Siemens, Okuma, errr Haas. Must be waaay behind, why would those companies even have a vested interest in Motion Control?

  3. #23
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    I wrote this post before I fully understood the guidelines at Practical Machinist. By saying DIY I must assume you mean hobbyist, as in our profession it is not uncommon for a machinist/engineer to construct a quality custom machine. Let me clarify things for you. I engineered not one, but TWO machines to mill EDM graphite on a lathe. The first one I actually built the spindle and motor/drive assembly for it. I built the first one from raw materials, mostly aluminum. That was some years ago. I now run a successful international manufacturing company. I don't know what you mean by hack saw. I use mills, metal cutting saws, drill presses, etc. to cut and mill my material, never a hack saw. My machines certainly are not junk. I milled my chuck to remove virtually all runout on my lathe. I certainly do not make toys, my machines are work horses. I keep them well maintained and they have been functioning for years. I wish you could have been clearer with your message and just told me that it was against this site's policy to talk about using any piece of equipment made in China. I am on this site to learn from and to contribute to the knowledge of professionals. By your post it sounds like you were a bit quick to judge me and my reason for being here, and felt a bit condescending. May I recommend to you that you be more clear and less condescending to those who may not understand the guidelines in the future. I am about to post about about a new larger lathe I am building from scratch 100% custom, and I want to start with a bed with both headstock and tail stock. I will make sure to steer clear of any Chinese components, so thank you for your advice. However, this is the site I will be posting on, not some bubble gum and duct tape hobbyist forum. I need the machines that I build to run all day every day...which for the past three years, they have. Thanks!
    Last edited by TorchHypnosis; 04-22-2021 at 09:04 AM. Reason: Spelling typos

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