How fast is your homemade CNC? - Page 6


View Poll Results: How fast can your Homemade CNC cut?

Voters
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  • less than 10 IPM (4.2mm/s)

    45 7.48%
  • 10-50 IPM (4.2 - 21 mm/s)

    182 30.23%
  • 50-100 IPM (21-42 mm/s)

    141 23.42%
  • 100 - 300 IPM (42 - 127 mm/s)

    140 23.26%
  • 300 - 600 IPM (127 - 254 mm/s

    50 8.31%
  • faster than 600 IPM (254 mm/s)

    44 7.31%
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Thread: How fast is your homemade CNC?

  1. #61
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    Default Re: How fast is your homemade CNC?

    Quote Originally Posted by linkreincarnate View Post
    what are your specs for that machine?
    The most up to date specs look something like this:

    Footprint (total area it is occupying in the room): 750 x 650mm
    Table height from floor: 890mm
    Y table size: 450 x 300mm
    Weight of Y: 17,5kg
    Working area: 310 x 270mm
    Weight of X-beam: 13,7kg
    Size of the X-beam (height x width): 500 x 540mm
    Size of Z: 350 x 150 mm
    Weight of Z: 8.5kg
    Z clearance from table top: 135mm
    Maximum speed: 8000mm/min
    Maximum acceleration: 700mm/s/s
    Stepper motor data: NEMA23 2.7V/phase, 3A, 1.6uh, 0.9 Ohm/phase
    Stepper motor driver: DQ542MA
    Stepper drivers PSU: 44VDC unregulated supply, based on a thoroidal transformer
    Motion controller: UC300ETH from CNC Drive
    Spindle motor: 400Hz, 24,000 RPM 65mm diameter air cooled 1.5kW spindle
    Spindle motor power supply: Bosch Rexroth EFC 5610 VFD
    Spindle control via Modbus communication
    CNC software: UCCNC from CNC Drive

    I think the above is pretty accurate. I am making changes all the time since it is a DIY CNC of my own design. Note that axis weights are only approximate (parts measured before installation) and the weight does not include the steppers and wiring.

    https://adapting-camera.blogspot.com
    https://www.youtube.com/channel/UC_vrAWOz5YGX6_e3qtXg3YA


  2. #62
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    Default Re: How fast is your homemade CNC?

    Is it possible above 200 ipm with 5 tpi with a stepper system.



  3. #63
    Registered CitizenOfDreams's Avatar
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    Default Re: How fast is your homemade CNC?

    Quote Originally Posted by bewerbung View Post
    Is it possible above 200 ipm with 5 tpi with a stepper system.
    Absolutely. The rotational speed at 200 ipm would be 1 000 RPM; some steppers are capable to turn almost twice as fast with enough torque left.



  4. #64
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    Default How fast is your homemade CNC?

    Quote Originally Posted by bewerbung View Post
    Is it possible above 200 ipm with 5 tpi with a stepper system.
    I'm running 5tpi ballscrews about 1200rpm. I clocked them at 1500rpm but backed it down a bit. 270oz-in, gecko201, 56volt PS.

    The ballscrew are ground NSK about 25mm diameter.


    Speed test when I first put the machine together. 1500rpm, 300ipm



  5. #65
    Registered Chris D's Avatar
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    Default Re: How fast is your homemade CNC?

    Didn't answer the Poll, However, performance is always related to budget. While I can afford much more than I built my router for, I backed off on IPM to meet practical requiements. I don't need to make money on my machine, I need to get accurate parts from it. To me, accuracy is more important than speed. Probably skews the data you are collecting, however, speed isn't everything!!!

    Chris D



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How fast is your homemade CNC?
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