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Type: Posts; User: David_Nolan

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  1. Replies
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    What Laser Should I Buy.

    Hi,

    This is my first time looking into lasers at all. I have CNC and and want something I can strap onto it and use immediately with little setup and no additional software.

    I'm looking to...
  2. Buying Advice: Stepper Motor Control Electronics

    Hi,

    I have a machine that I'm building for my own use. I'm looking for advice on what control board/mother-board and also what drivers to buy for my machine that is most optimal for my...
  3. Re: Do I Need An Expensive Stepper Motor Drive?

    Hey Guys, Thanks for all the advice, I'm taking it onboard. Hypothetically, If I bought three of these.

    https://www.robotshop.com/eu/en/geckodrive-g210x-digital-stepper-motor-driver.html?gclid=C...
  4. Re: Do I Need An Expensive Stepper Motor Drive?

    Hi Andrew, The rated amps is 4 Amps, and if you are Microstepping I was instructed in this video around 3:15 ...


    https://www.youtube.com/watch?v=iY_4YOlpqyI&list=WL&index=57


    To multiply...
  5. Re: Do I Need An Expensive Stepper Motor Drive?

    Can I ask, how precisely does the Arduino Uno fail? It sends the incorrect number of signals? Also how will a 3 to 4 amp driver work fine when the motor could draw up to 8 Amps? Thank you.
  6. Do I Need An Expensive Stepper Motor Drive?

    Hi,

    So I've recently purchased a Sherline Ballscrew Mill. I've already spent quite a lot on the machine and don't want to buy expensive drive components. The machines part tolerance will be...
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    Re: Ball Screw preload

    Okay thanks so much, that's simplified matters considerably.
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    Re: Ball Screw preload

    So, These are the components I've been talking about.

    https://www.tuli-shop.com/double-ball-nuts-dfu: Ballscrew

    https://www.tuli-shop.com/trs-20-fn-h-z1 : Linear Truck
    ...
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    Re: Ball Screw preload

    Your right, but how do I know what is suitable for the thread nut size? Also there are other things i need to preload such as the fixed bearing and the trucks on the linear rails, my question also...
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    Ball Screw preload

    So, I'm buying some C7 ballscrews and I've never preloaded anything before.

    I'm planning on using a torque wrench or a torque meter of some description. Now what I don't understand is how one...
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    Precision Grounded Plates

    Hi Guys,

    Doing my first machine build, I'm trying to build a machine with a general tolerance of 1 thou. I'm a little unsure as where to buy precision grounded plates or if I even need them......
  12. Re: What Stepper Microstepping setting should I use?

    I actually haven't decided on which ballscew I will be getting yet but it will be a ballscrew that is for sure! And I'm a metric guy...Most of the time anyway.
  13. Re: What Stepper Microstepping setting should I use?

    This has helped thanks guys!
  14. What Stepper Microstepping setting should I use?

    Hi guys,

    So I'm building a cnc machine, I'm trying to make it accurate within a thou, primarily for steel. First machine build.

    I'm a little lost when it comes to half-stepping and micro...
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    Re: Where to buy Spindles without the motor

    Thanks man, I didn't think there was companies that offered stuff like this without having to buy other additional stuff. Does anyone know of a store based in the UK like littlemachine shop?
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    Re: Where to buy Spindles without the motor

    Cheers dude this is great... I've seen these mills cut steel, it doesn't do a stellar job but beggars can't be choosers. Man little machine shop is great
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    Where to buy Spindles without the motor

    I'm building a DIY cnc but I've hit a bottleneck. I want to run my spindle with a belt and already have the motor I plan to use to drive it (Vevor 2.2kw spindle) The issue I have is I want to step...
  18. Re: Do Morse tapers need a matching internal taper in mills?

    I'm having trouble, because I can't farbricate this myself so I'm using a machine shop, they're going to fleece me for high tolerances so what I'm wondering is how do I avoid that. Do R8 Tapers also...
  19. Do Morse tapers need a matching internal taper in mills?

    I have a mini mill designed for MT3 taper, I've been trying to figure out if the slot my MT3 tools go into is tapered internally or is just a straight hole (It's hard to tell). What's the standard,...
  20. Re: Is it possible to buy low rpm spindles in the Ireland/UK

    Cheers guys, price range is around 300 Euro.
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    Re: Spindle rpm 8000-24000?

    To be honest, I was considering doing that, seperating them and using a belt drive, My concern is will this damage the spindle, I mean its not designed to drive a belt. I can't imagine why it would...
  22. Is it possible to buy low rpm spindles in the Ireland/UK

    I'm looking for spindles capable of cutting steel but the ones I've found on amazon only work properly at rpms that are too high to cut steel properly. They work but badly. The issue is thy have to...
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    Re: Spindle rpm 8000-24000?

    So is it impossible to use flycutters or large diameter surface finishers with a spindle like this? and what about the ones that are rated for 0-24,000 do they have the same problem?
  24. Re: WATER COOLING SPINDLE 0-24000 rpm ??? is this possible?

    How are you supposed to use fly cutters with these spindles i they can't go to the lower rpms?
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    Spindle rpm 8000-24000?

    Hi,

    I'm uprgrading my cnc spindle and am having a little trouble getting the seller of the spindle I want to respond to my queries. I think it's just to do with covid. I'm buying my spindle on...
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