Hi Mike,
I know the video and the principle. Have tried several heights to
compress the spring more/less. can't gain a reliable setup. will look
further into this later...
Am 18.09.2017 um 08:50 schrieb Mike Menci:
> Hello,
> Please check your parking holder height/slope dimensions! This *holder
> top slope is elevating* (in direction of parking nozzle) to compress
> nozzle holder spring and release nozzle when head reaches inside end
> park position. And opposite - when you are loading nozzle.
> Should work fine as per video.
https://vimeo.com/144454866
> <
https://www.google.com/url?q=https%3A%2F%2Fvimeo.com%2F144454866&sa=D&sntz=1&usg=AFQjCNG3DZOJ9kMJ12xaWtKTkvIJVJTbjA>
>
>
>
> On Sunday, 17 September 2017 13:26:28 UTC+2, Michael G. wrote:
>
> Hi @all,
>
> have printed these holders, too. Thank you for sharing.
> Unfortunately I have no luck with them. It happens quite often, that
> the nozzle is not fully released in the end, the z-motor tries to go
> up and looses steps. Anybody had that issue, too? What may i tweak?
> Have tried many modifications of the path in the holder, but with no
> luck.
>
>
>
>
> Am Freitag, 22. Juli 2016 08:52:33 UTC+2 schrieb Genie Kobayashi:
>
> <
https://lh3.googleusercontent.com/-vR5Y4M_Ift4/V5HB3cy9p8I/AAAAAAAAAKw/5yPPZPXdNugNPpwN5O-zpwLHlqh609gsACLcB/s1600/RIMG0552_m.JPG>
> <
https://www.google.com/url?q=https%3A%2F%2Fvimeo.com%2F144454866&sa=D&sntz=1&usg=AFQjCNG3DZOJ9kMJ12xaWtKTkvIJVJTbjA>
> and, I thought it should be 3D printable by myself...
>
>
https://github.com/geniekobayashi/juki_nozzle_changer
> <
https://github.com/geniekobayashi/juki_nozzle_changer>
>
> In prior to design, I wanted to make it as smooth as possible
> specially the top surface of changer and nozzle sliding rails
> part. To achieve these things using general FDM type 3D printer,
> I had to cut the unit into 2 pieces, but it brought no support
> materials required on printing which was a merit.
>
> This type of changer will require some pushing down power on
> Z-axis when compress spring of the nozzle holder or move outer
> ring toward upside. So that, Z-cam driven head may be hard to
> accomplish it without extra mechanism. Hope some one print and
> test to improve it. :)
>
> Genie
>
>
> <
https://vimeo.com/144454866>
>
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