[sudo-discuss] Lsser cutter.... Dead?

[robb]

i wonder if it needz itz contacts cleaned
i'll spray the usb port w/contact cleaner 2day

On Wed, Oct 3, 2018 at 12:00 PM Morgan Allen <morganrallen at gmail.com> wrote:

> @robb eeeh, not quite.
>
> @jake 4 bad USB cables then 1 mediocre one? Dunno, theories:
> 1)
> USB Connector is worn and the cable needs to have good springyness to make
> contact.
>
> 2)
> The power supply in the cutter is dying and causing power sags,
> the higher quality cable is more fault tolerant when this happens.
>
> In the end, stalling still occurred with the best cable. Other problems
> observed, despite various
> focal lengths I had to cut <30% speed, 100% power 4-5 passes to cut 1/8"
> acrylic.
> In the past I would have cut this with round 40/60 3 passes. This could be
> mirror focusing, which
> I didn't have time to perform. I also noticed a burnt spot on mirror #2.
>
> Between stalling and burnt mirrors I'm going to go out on a limb and say
> this is unsafe to use
> until a major overhaul is performed.
>
>
> On Tue, Oct 2, 2018 at 5:52 PM Jake <jake at spaz.org> wrote:
>
>> jeez do you think it was a bad USB cable or a coincidence of something
>> else
>> going wrong?  were you using your own computer or the dedicated desktop?
>>
>> On Tue, 2 Oct 2018, Morgan Allen wrote:
>>
>> > Of course I try "just one more cable" and it works. It shockingly lives
>> > another day.
>> >
>> > On Tue, Oct 2, 2018, 5:17 PM Morgan Allen <morganrallen at gmail.com>
>> wrote:
>> >
>> >> Trying to get through a project but the laser isn't behaving. Stalls
>> >> during a cut (with laser on of course) but manages tp start back up a
>> dozen
>> >> times before just stopping and burning a hole in the piece. Tried 4 or
>> 5
>> >> usb cables with varying results but still couldn't get a complete cut
>> >>
>> >
>>
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