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Type: Posts; User: kiwibum

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  1. Thread: Syil X3

    by kiwibum
    Replies
    6
    Views
    268

    Re: Syil X3

    Hi Neil, is it possible to send me this document too please? I tried to send you a private message with my email address but you have exceeded your storage quota (popular guy).

    I've got my Syil...
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    1,364

    Nice, and the price?

    Nice, and the price?
  3. Replies
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    339

    Used an alternator fan

    I was inspired by your post when looking round for information on cooling. Rather than adding an electric fan on the bottom I have added a fan blade from an old alternator to the top, driven directly...
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    387

    Self contained storage box.

    Nice work Martin. I built something similar that sits over a modified filling cabinet for holding all the tooling with the computer next to it. I have two wheels on one side and the frame has box...
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    1,364

    Any more on this unit yet?

    Any more on this unit yet?
  6. Replies
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    4,185

    Great thank you for your reply Ray. I'll continue...

    Great thank you for your reply Ray. I'll continue on with the semi enclosure I'm making it should be just fine.
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    Is a coolant collection tray required?

    A question for those of you in this thread using fog buster or DIY versions.
    What do I need in the way of a coolant/drip collection tray using a fog buster type system?

    Currently I'm setting up a...
  8. Thread: Cheap drives?

    by kiwibum
    Replies
    1,792
    Views
    85,062

    select a higher rated D1 for "Returned Energy Dump"

    You will need something bigger for D1, the 512-1N4007 is only rated at 1A. From my understanding of the circuit "Normally power supply current flows thru rectifier D1", therefore D1 needs to be...
  9. Thread: Cheap drives?

    by kiwibum
    Replies
    1,792
    Views
    85,062

    In the next revision?

    There was talk about including "Mach3 closed loop spindle control to work" via PWM to an optocoupler. Are you still looking at including this in the next revision of the G540? I'll wait for that if...
  10. Thread: Cheap drives?

    by kiwibum
    Replies
    1,792
    Views
    85,062

    Arithmetic not so simple

    The arithmetic isn't that simple and often the problem when people complain about pricing. You are only looking at it in simple terms, not economic business terms, which is understandable since it's...
  11. Thread: Cheap drives?

    by kiwibum
    Replies
    1,792
    Views
    85,062

    Care to share who the outlets are that will be...

    Care to share who the outlets are that will be offering control solutions for these? Or are those developing them willing to speak up? I'm interested in the G540 but only really need three axis...
  12. Thread: Cheap drives?

    by kiwibum
    Replies
    1,792
    Views
    85,062

    wait your trun.

    Stay subscribed to this thread and you will find out when they make a release statement same as everyone else. Then you have two weeks to put your order in, it's not a one hour lottery event. (chair)
  13. Thread: Cheap drives?

    by kiwibum
    Replies
    1,792
    Views
    85,062

    Far too much Oink here.

    Not quite sure what you are complaining about. I don't remember seeing anywhere that a one off drive to a hobbiest will be $29, that's an assumption everyone made and was hoping for. The aim was to...
  14. Thread: Cheap drives?

    by kiwibum
    Replies
    1,792
    Views
    85,062

    I'll still be buying them at twice the price

    I have to agree, even at $60 each it's cheap for what I can get in these things compared with other drives available out there. It wouldn't be possible for me to build these things for even twice the...
  15. Thread: Cheap drives?

    by kiwibum
    Replies
    1,792
    Views
    85,062

    Very cool, hadn't thought of that. Just keep...

    Very cool, hadn't thought of that. Just keep seeing more and more reasons to get a set.

    Is anyone doing a 3 axis board with optical inputs/isolation for mounting 3 G250's? I'm going to be running...
  16. Thread: Cheap drives?

    by kiwibum
    Replies
    1,792
    Views
    85,062

    I've spotted one for the G251 manual. In the...

    I've spotted one for the G251 manual.
    In the paragraph bellow:
    "(TERM. 4) CURRENT SET"
    replace G250 with G251 3 times.

    Also the board measurements don't seem correct, looking at a ruler it's...
  17. Thread: Cheap drives?

    by kiwibum
    Replies
    1,792
    Views
    85,062

    Which is what I was trying to get at in earlier...

    Which is what I was trying to get at in earlier post. There is a limit to the size of the motor where you will get maximum performance/torque out of it with this driver. Above this limit the stepper...
  18. Thread: Cheap drives?

    by kiwibum
    Replies
    1,792
    Views
    85,062

    power supply current rating?

    From the statement above am I correct that 3.8mH for 62VDC will be too high as well for this drive? Was going to buy these cheap steppers but after reading this I checked and they are 3.8mH so not...
  19. Hi Mike Thanks for reminding me about that, I...

    Hi Mike
    Thanks for reminding me about that, I read that a while ago and forgot about it, it's a great idea. I think I'll go with mounting the belts horizontally and connected with a drive shaft to...
  20. Hey Ed Thanks for such a quick reply with the...

    Hey Ed
    Thanks for such a quick reply with the photos that's awesome. What will be different on your knew X axis? Are those 20mm T5 belts and pulleys you are using? How did you choose your size/type...
  21. Hi Ed Thanks for this, yes I would be interested...

    Hi Ed
    Thanks for this, yes I would be interested in seeing photos of your router. Another reason I was considering vertical mounting is I have access to a set of bellow covers but the fit will be a...
  22. Hi eSilviu I didn't think about it being moved...

    Hi eSilviu
    I didn't think about it being moved when powered down, I hadn't considered these things, thank you for this. This is my first CNC router build, I have a prebuilt X3 CNC mill but it's in...
  23. Do I need mechancial synchronizing dual belt drive?

    I'm building a CNC router with belt drive x & y axis, looking at using dual closed loop belts and stepper motors, one on each side to drive the gantry along the x axis (normally longer axis but will...
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    Thanks Marcus. I suspected that but I...

    Thanks Marcus. I suspected that but I confirmation is a good thing, the devil is in the details and that's where I often get caught out. Due to the money going in to this project I'm spending a lot...
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    Am I correct in thinking that running two motors...

    Am I correct in thinking that running two motors e.g one for each side of the gantry would provide twice the amount of torque for moving it? E.g using two 200ozin drives would be similar to one...
  26. Thread: Cheap drives?

    by kiwibum
    Replies
    1,792
    Views
    85,062

    to reduce your 55VAC down to say 35VAC you will...

    to reduce your 55VAC down to say 35VAC you will have to remove approximately 40% of the windings from the secondary side of the transformer. Transformers are just a standard ratio thing, calculate...
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    Actually this isn't the problem as you state but...

    Actually this isn't the problem as you state but I think people are missing the point about this loading as it depends on use.

    "The basic dynamic load rating is defined as the constant load in...
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    The RSR15 are 2 ball units, then come under THK...

    The RSR15 are 2 ball units, then come under THK miniature range, specs can be found here https://tech.thk.com/ put "SRS 15" in the product search and you will find out more about them.

    Basic...
  29. Thread: Cheap drives?

    by kiwibum
    Replies
    1,792
    Views
    85,062

    I guess 138 but I'm haggling over whether to...

    I guess 138 but I'm haggling over whether to include the header pin in that since it's not a component as in actvie/passive but a connector, 139 is taken so I'll stick with 138!
  30. Thread: Cheap drives?

    by kiwibum
    Replies
    1,792
    Views
    85,062

    wow these boards look great, can't wait for them...

    wow these boards look great, can't wait for them to be released, I just found this thread searching on drives for my first project cnc.
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