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Type: Posts; User: electrotwelve

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  1. Motor selection for an epoxy granite build

    I'm trying to understand what kind of motors I should use for my new build (a 3-axis epoxy granite machine). I have experience with steppers but this time I know I want a closed loop system.

    I...
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    Re: Spindle selection

    Got it! I did enquire with mechatron and yes those spindles are upwards of EUR 1000 with all the accessories :-/. I did find this though.
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    Re: Spindle selection

    Thank you for the incredibly detailed explanation. It is helpful. How did you calculate 3000 rpm?
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    Re: Spindle selection

    Thank you Craig. That was very insightful. I must read up more on how this works. What spindle would you recommend?
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    What would be the maximum power spindle that I...

    What would be the maximum power spindle that I can then operate on a 220V AC circuit?
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    Re: Spindle selection

    I see. Then this particular one would not be 4.5KW since P = V x I. This would give its rated current at 220V to be around 20A. However it seems to be rated for only 10A.
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    Spindle selection

    Long time lurker but posting after a while now. I'm in the market for a CNC spindle and I had a few Qs. I'll mostly be milling Alu and variants of steel. Once in a while, some plastics as well....
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    Stiffening 50x100 extrusions

    I'm still designing my fixed gantry build using Misumi's 50x100 High Rigidity extrusions. I was wondering if it would be a good idea to fill the interiors of the extrusions with some dense substance...
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    Chatter on my end mill

    Hi, I recently built my own cartesian style CNC router with 12mm plywood parts. Its mostly an OX style CNC with delrin wheels for linear motion on V-slots. I can mill 6061 aluminium on this but I see...
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    New electronics

    Hey folks! I'm an electronics engineer and I've been tinkering with CNCs for about 2 years now. I recently developed my own electronics for it. Its an integrated 4-axes controller with four 4A...
  11. Getting confused about the maximum step frequency that is needed for my machine

    I'm trying to get some basic theory right about the maximum step frequency that my software should output. I got some formulas from here and lets say I want my machine to move at the rate of 60mm/s...
  12. Re: motionPro 3+1 axis CNC controller with USB and Bluetooth control

    Get $20 off on this product along with reduced shipping this Black Friday! Available on Tindie and ebay.
  13. motionPro 3+1 axis CNC controller with USB and Bluetooth control

    motionPro is a 3+1 axis CNC controller that can control 4 stepper motors, 3 axis motors + 1 clone axis motor that can be used for X or Y axis. Each motor channel is rated for 2.2A with adequate...
  14. motionPro 3+1 axis CNC controller with USB and Bluetooth control

    motionPro is a 3+1 axis CNC controller that can control 4 stepper motors, 3 axis motors + 1 clone axis motor that can be used for X or Y axis. Each motor channel is rated for 2.2A with adequate...
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