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Type: Posts; User: metalmayhem

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    Re: New mill from tormach.

    nice looking setup and through spindle coolant is a wise option to have added , except I'd have expected cat40 . I hope the do well with them but for the same price a guy can buy a super mini
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    Re: stepper motors get weak with age??

    it's good that you've been able to narrow down the issue , the fact that a 1/8 bit can cause that sort of problem indicated a bigger problem . The 570oz motors have plenty of force with ballscrews...
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    Re: stepper motors get weak with age??

    a 1/8 cutter shouldn't cause those motors to lose steps , the cutter should snap long before that happens
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    Re: pcnc440's after near 3 yrs

    non related anything I've posted here but the work thats gone into this is pretty wild . Maybe a future retirement project just for fun




    https://youtu.be/9gMX_hR-RoM?si=AsNsxARiane3ipar
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    Re: pcnc440's after near 3 yrs

    I find the connectors on my torus pro drivers break down over time . They'll fry the drivers If i don't change them out every so often . I'm guessing the 1100's get enough power at the drives to do...
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    Re: pcnc440's after near 3 yrs

    the mill seems to be back to normal aside from the need to put it back together . I air cut for a few hours last night and the mill is behaving
    The more I think about it the loose connection at...
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    Re: pcnc440's after near 3 yrs

    I don't see it as being an issue from the power company because this has been over a week and the other mills have been running without a hiccup . This mill and another have been running off the same...
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    Re: stepper motors get weak with age??

    the 570 motors are capable of a fair amount of force and unless your taking seriously heavy cuts then I doubt the problem is your motor.
    I suggest plunging your bit into some scrap at the start...
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    Re: pcnc440's after near 3 yrs

    the mx has 3 drivers and a top board that they connect to . The top board works as a breakout board ,, this is the one that keeps blowing .
    I could gut the mill and add all new drivers and all that...
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    Re: pcnc440's after near 3 yrs

    that was pretty short lived . Blown up again . Time to start tracing wires .
    I checked the surface mount fuses on the other boards and they are good , so it's a bit deeper of an issue that keeps...
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    Re: pcnc440's after near 3 yrs

    there are a couple surface mounted fuses on the main board of these drivers . I'll have to do some playing around but my guess is that one of them popped . If thats the case then I may be able to...
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    Re: pcnc440's after near 3 yrs

    the pcnc 440's come with leadshine mx3660 stepper drivers
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    Re: pcnc440's after near 3 yrs

    2 blown drivers on one machine over a week sucks . This one tonite is a new driver which ran good for a few days , I heard a pop and that was the end of that run of parts .

    I've got a few older...
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    Re: Replacement for BobCad/Cam software

    I missed that , anytime I see cookbook mentioned I gloss over it like a fat kid glosses over a celery stick at the corner store . I wouldn't take his opinion as gospel .
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    Re: Replacement for BobCad/Cam software

    I'd like to know where those percentages come from . Cambam , vectric , meshcam and the likes are no where near the same calibre of mastercam , gibbs or seimens . I don't know how or where they would...
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    Re: Replacement for BobCad/Cam software

    a couple that might be worth looking at are mecsoft visual mill and sprutcam . Both are reasonably priced and functional . I'd lean more towards the mecsoft myself
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    Re: Replacement for BobCad/Cam software

    Mastercam is an exceptional product and I loved working with it in a bigger industry than where I am now . The problem with mastercam is it comes with an exceptional price tag as well . It's...
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    Re: Replacement for BobCad/Cam software

    I honestly find the cad portion of bobcad sucks so all my designing is done in another cad software . Due to a move a while back my old personal email and phone number has changed which makes it...
  19. Re: Reducing Diameter of Aluminum Rod for Linear Bearing

    v groove bearings are an alternative and they work great if set up right . As mentioned previously - by the time you gather up all your components you'd be better off just buying the proper rails ....
  20. Re: Advice on drilling lots of holes please

    they don't usually chip or break on through holes and the material your looking to cut is pretty soft . The retract speed really doesn't matter that much but I'd keep the retract height to a minimum...
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    Re: Don't BS NZ Customs

    interesting . .
    ups and all those carriers charge the broker fee here which is merely them filling out the customs declaration forms for the goods being imported so they can be taxed . Through the ...
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    Re: Don't BS NZ Customs

    Curious , in NZ do you pay brokerage fee when shipping in through ups , fedex etc ? I've seen me pay $50 brokerage to bring in a $40 item plus the tax(gst) . Ups tend to charge the highest broker...
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    Re: Don't BS NZ Customs

    similar boat here in Canada when it comes to customs . I've had numerous sellers send products reduced as gifts . Under those circumstances customs always asked what I've purchased and they wanted...
  24. Re: Advice on drilling lots of holes please

    Correct , if a chip falls to the bottom of the hole then there is a very high chance of destroying your carbide bit . hss and cobalt drills are much more forgiving . If they are well designed bits...
  25. Re: Some effective tips to save on CNC machining parts

    materials from a reputable supplier cost the same when buying a hundred feet or a few thousand feet . If your buying direct from a mill then the price will be reduced with the more you buy to a...
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    Re: pcnc440's after near 3 yrs

    funny how some adjustments can make a mill feel like new again . A couple mills have started to produce a bit rougher finish than they should across the y
    . Tonite i finally took off the covers...
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    Re: Wher can I get this drill bit?

    most of the big brands sell indexable drills . Look for someone local or online who sells kennametal , ingersol , seco , sandvic etc
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    Re: TL-2 tool changer

    they used to sell the tl1 with a manual tool changer not sure about the tl2 . If the did or do then it shouldn't be hard to modify

    I used a tl1 a lot for prototyping and small runs and the 4...
  29. Re: CNC machine for engraving on plywood / acrylic sheet

    most of those spamming companies come and go and never last . I remember how relentless hau mau was and where are they now
  30. Re: HELP: Need to mill alu, brass & copper with single flute endmill

    improper speeds and feeds can cause tool breakage but it's not a cure if the tool paths are poor . Are the lead ins plunge , ramped or helical ? Center cutting tools are great but they are still...
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