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Iris - Reprap

theodleif

Iris - Reprap
July 30, 2010 12:52PM

Registered: 13 years ago
Posts: 1,918

Hello,

this very morning I woke up and had an idea. I decided to call it "Iris", because the red disk can move like an iris in the eye.

I am aware that it takes 4 steppers instead of 3.

Detlef

Edited 1 time(s). Last edit at 07/30/2010 12:54PM by theodleif.

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Attachments:
open | download - Iris.jpg (44.8 KB)

richrap

Re: Iris - Reprap
July 30, 2010 03:52PM

Registered: 13 years ago
Posts: 818

Nice model

But it Looks like you have no resolution ? Just a 1/4 turn of the stepper? and the red bed is going to put sideways pressure on you'r motors I don't think that's not going to work.

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theodleif

Re: Iris - Reprap
July 30, 2010 05:01PM

Registered: 13 years ago
Posts: 1,918

Thx.

It was just a first sketch of the idea. It needs to be elaborated further. That's right.

For the frame I am thinking about using a part of a drainpipe. Stable and cheap. Hence the rings.

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tesla893

Re: Iris - Reprap
July 31, 2010 12:16AM

Registered: 13 years ago
Posts: 78

richrap Wrote:
-------------------------------------------------------
> Nice model
>
> But it Looks like you have no resolution ? Just a
> 1/4 turn of the stepper? and the red bed is going
> to put sideways pressure on you'r motors I don't
> think that's not going to work.

You can always use gear boxes to up the resolution and reverse the steppers to relieve the pressure.

-Steve

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theodleif

Re: Iris - Reprap
July 31, 2010 05:31AM

Registered: 13 years ago
Posts: 1,918

tesla893 Wrote:

> You can always use gear boxes to up the resolution
> and reverse the steppers to relieve the pressure.

Could such be 3D-printed?

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VDX

Re: Iris - Reprap
July 31, 2010 05:24PM

Admin
Registered: 16 years ago
Posts: 13,884

... the short answer: - yes ...

But you have to select the materials and/or mix with embedded hard bits, or the pins will wear out really fast ...

Viktor
--------
Aufruf zum Projekt "Müll-freie Meere" - [reprap.org] -- Deutsche Facebook-Gruppe - [www.facebook.com]

Call for the project "garbage-free seas" - [reprap.org]

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tesla893

Re: Iris - Reprap
August 01, 2010 12:22AM

Registered: 13 years ago
Posts: 78

theodleif Wrote:
-------------------------------------------------------
> tesla893 Wrote:
>
> > You can always use gear boxes to up the
> resolution
> > and reverse the steppers to relieve the
> pressure.
>
> Could such be 3D-printed?

Yes, it has. I've been searching like a madman for 15 minutes for it and cannot find it. Giles Bathgate had a blog post about it somewhere and there was some IRC chatter a while back.