What stepper motor should I use thread - Page 2


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Thread: What stepper motor should I use thread

  1. #13
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    Default heavy Z-axis

    Got a Z-axis with 250mm stroke, 20mm ballscrew 5tpi with 2 Star rails and 4 blocks size 20 and a weight of around 60lbs, hoping to mill aluminum. what size stepper should I go for?

    Last edited by gotis; 04-04-2006 at 10:58 AM.


  2. #14
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    Default Maybe to late……. :(

    Hey,

    A few day’s ago I have bought three stepper motors but now when I’m looking around I think my motors are a little underpowered. Please your advise.

    The specs:
    Voltage 4.2V
    Current 0.6A /Phase
    Max Input 5.0W
    Step angle 1.8
    Holding Torque 0.196.Nm

    The main purpose of my (almost build) CNC router will be cutting thin wood and plastics (maybe aluminum). By thin I mean max 5 millimeters.

    P.S.
    The motors are for the tree axis and not for powering the drill. This will be a Dremel.

    Thanks in advance,

    Source (Data Sheet): http://www2.produktinfo.conrad.com/d...r_SM_42051.pdf



  3. #15
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    Default

    Well, thanks for al the reply’s to my previous post..... I the meanwhile I have bought three new stepper motors.

    Check www.inacos.nl for some pictures.



  4. #16
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    Default

    This should help further:

    Stepper reverse engineering:
    http://www.doc.ic.ac.uk/~ih/doc/stepper/others/



  5. #17
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    Default Opinons?

    Could I get some opinions on this package of steppers and controllers?

    http://cgi.ebay.com/ws/eBayISAPI.dll...3281&rd=1&rd=1

    I'm planning on building a 3 axis machine for use on wood and plastic. Dimensions will be close to 2' x 2' x 4" for the machines travel.

    My biggest question, is this everything needed to move the machine and get feedback as to what position the axis are at? I know steppers can have feedback.....but not all do. I know there are other components needed for giving the machine coordinate information.

    Thanks for any comments.
    -Levino



  6. #18
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    Default

    Hi. I'm building a moving gantry router that is 6 x 4 ft. My gantry probably will weigh around 125lbs. The x axis is driven by a single 1.5 inch ball screw with a .250 lead. The y axis is driven by a 1 inch ball screw with a .250 lead. I have high quality THK linear bearings on all the axis. I was thinking about buying the candcnc package with 260oz motors. Are these motors powerful enough? Should I go to something around 500oz, or those 640oz nema 34s? I don't have access to a torque measuring device of any type.

    I cut mostly wood and some soft metal.

    thanks. jim.



  7. #19
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    Default

    I Had Gorton 3D trace master model 2-30. I want to fix stepper motors in place of hydraulic motors. What size, bi-polar/ uni-polar ??????????????? i purchase?

    Last edited by sanjiv; 05-22-2007 at 12:34 PM.


  8. #20
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    Default

    Hello,

    I am converting a Lagun mill (Bridgeport clone) to CNC and have been searching CNCzone for information on what motors, drivers, power supply, breakout board etc to use. So far all I have become is confused with the TONs of info here.

    Is there anyone willing to give a frustrated fellow CNCer the benefit of their experience gained by converting such a mill? A comprehensive shopping list of parts used for a BP mill conversion would be absolutely fantastic! Heck, just learning what motors to use would be a great start.

    Please help!

    Thanks,
    Kerry



  9. #21
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    Default

    I have Bridgeport, kindly advise how to calculate torqe for selection of stepper motors for X.Y & Z axis



  10. #22
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    Default

    I hope this is in the right thread.

    Im looking to build a cheap 3 axis hobby CNC for cutting plastic and maybe engraving aluminum.

    Trouble is Im not sure what degree/step motors I should be using.
    As its only a hobby mill to begin with im not looking to sink too much money into it. All the motors I can find from old printers are all around 6-7 degrees per step.

    Would this give a useless resolution?, Would it be usable for the z axis if i found something with a smaller step for the x and y?

    I welcome and am grateful for any advice and CC, You will probably hear more about this project as it presses on also.



  11. #23
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    Wink Usefull thread

    Is this the right thread to post a question in if I don't want anyone to answer?



  12. #24
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    Default Stepper info

    I found this page on the HomeShopCNC web site to be helpful,

    http://www.homeshopcnc.com/StepperMotorFAQ2.html

    and this link is to a pretty comprehensive explanation of how steppers work.

    http://www.solarbotics.net/library/p...f/motorbas.pdf


    Timothy

    Last edited by vintageracer; 10-11-2008 at 05:25 PM. Reason: spelling


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What stepper motor should I use thread

What stepper motor should I use thread