SGI O2 HDD caddy (STL file needed for 3D printing)

SGI hardware problems, solutions, tips, hacks, etc.
Forum rules
Any posts concerning pirated software or offering to buy/sell/trade commercial software are subject to removal.
User avatar
swarm
Posts: 18
Joined: Sun Jul 09, 2017 1:47 pm
Location: Czech Republic
Contact:

Re: SGI O2 HDD caddy (STL file needed for 3D printing)

Unread postby swarm » Thu Aug 24, 2017 11:10 pm

See attached for the source files. There is a README file with all instruction so please read it before printing.

Please note that this model is provided "as-is" with no guarantee, explicit or implied, that it would work as intended and would not cause damage or harm. Use it at your own risk.

Important Differences from the Original SGI Caddy (from README)
=========================================================

(1) To simplify the design, we have omitted the locking mechanism, relying
on friction instead. So far it seems to work well (the insertion /
retraction force is neither too big nor too low) but may turn out
problematic due to wearing if the caddy would be often inserted and
removed.

(2) There are no metal strips there. In the original design, they level the
drive at the right height during its insertion, acting as springs. But
we think that their main reason is to provide a low impedance electrical
connection (via the screws) of the hard drive body with the computer's
chassis, to reduce EMI. We decided to simplify the design by omitting
these altogether. This should not be a problem (the electromagnetic
compatibility rules are nowadays far less strict then they used to be).
Perhaps the worst consequence is that your machine would lose its
certificate for space shuttle missions.

(3) The hole at the back of the caddy (which is there to simplify the
caddy's removal by grabbing it by the hole's edge) might change the
airflow inside the machine. We have not tested this for longer periods
of time but if the machine or some of its parts would show symptoms of
overheating, try to cover the hole with a duct tape and if it helped,
print something more representative that could cover the hole
permanently.
Attachments
sgi-o2-hdd-caddy-v1.zip
(1.44 MiB) Downloaded 10 times

tingo
Donor
Donor
Posts: 319
Joined: Sat Jun 26, 2010 5:40 pm
Location: Oslo, Norway

Re: SGI O2 HDD caddy (STL file needed for 3D printing)

Unread postby tingo » Sat Aug 26, 2017 10:52 am

Nice work!
Torfinn

User avatar
Dodoid
Posts: 643
Joined: Mon Jul 04, 2016 1:36 pm
Location: Ottawa, Canada
Contact:

Re: SGI O2 HDD caddy (STL file needed for 3D printing)

Unread postby Dodoid » Fri Sep 01, 2017 1:04 pm

Currently printing an Octane/O2K/Onyx2/O200 sled I designed this morning, as those seem to be particularly difficult to find (though I have quite a few, perhaps the previous owner of my parts boxes was stockpiling them). It's kind of a long print, and I started the print and left home for the weekend, so I will have the results on Monday. For now, here's some SketchUp renders:
OS-PT-01.jpg
The sled
OS-PT-01_rear.jpg
Slots for rails and screw holes
OS-PT-01_front.jpg
Cooling cutout and place to grip with your hand when pulling it out.

Perhaps this should be a collaborative project with swarm and anyone else interested in designing sleds. opensled.org is available! I feel that for drive sleds, a hard to find part which often makes putting together a working SGI much harder, making any sled models I design publicly available/open source as swarm has done is definitely the right choice and the most beneficial to the community, so that they can be made regardless of my presence.
:Onyx: :O2000: :Fuel: :Octane: :Octane: :Octane: :O2: :O2: :Indigo2: :Indigo2: :Indy: :Indy:
and a small army of Image

User avatar
HurricaneJames
Posts: 103
Joined: Thu Jul 06, 2017 10:08 pm
Location: Santa Clara, CA

Re: SGI O2 HDD caddy (STL file needed for 3D printing)

Unread postby HurricaneJames » Fri Sep 01, 2017 2:19 pm

Dodoid wrote:Currently printing an Octane/O2K/Onyx2/O200 sled I designed this morning, as those seem to be particularly difficult to find (though I have quite a few, perhaps the previous owner of my parts boxes was stockpiling them).
...
Perhaps this should be a collaborative project with swarm and anyone else interested in designing sleds. opensled.org is available! I feel that for drive sleds, a hard to find part which often makes putting together a working SGI much harder, making any sled models I design publicly available/open source as swarm has done is definitely the right choice and the most beneficial to the community, so that they can be made regardless of my presence.


You all have way more free time than me. I'm currently printing my third Octane caddy prototype, and I'm hoping to post STL files this weekend, assuming the prototype fits. I completely fudged the front face, but I thought it came out nice otherwise.

Once I get a perfect fit, I figure I will start trying for the locking mechanism and metal inserts.

Screen Shot 2017-09-01 at 2.15.50 PM.png
:320: :1600SW: :O2: :1600SW: :Octane: :Octane: Image

User avatar
PoV
Posts: 2
Joined: Sat Aug 05, 2017 9:15 pm
Contact:

Re: SGI O2 HDD caddy (STL file needed for 3D printing)

Unread postby PoV » Mon Sep 04, 2017 10:19 pm

Oh awesome. I just got my hands on an O2 this past weekend, and already I've started thinking about adding a drive (or specifically swapping a new one in so I can do a fresh install and not wreck the working drive). I definitely need to print one of those O2 chassis to try it out.

Thanks for sharing Swarm. :-D
:O2: R5000 at 180 MHz, 64 MB RAM, 8 GB HDD
... yeah, that's it. My collection is mainly retro gaming systems (most consoles and handhelds), retro computers (Commodore, Amiga), many SBC's and dev kits.

User avatar
swarm
Posts: 18
Joined: Sun Jul 09, 2017 1:47 pm
Location: Czech Republic
Contact:

Re: SGI O2 HDD caddy (STL file needed for 3D printing)

Unread postby swarm » Tue Sep 05, 2017 12:13 pm

I've updated the files. The model is only slightly modified, but slic3r and gcode files for printing from ABS were added.

Code: Select all

Different Materials
===================


Material       Printing Time    Material Used     Final Mass    Note

PLA                13:51            113 g             108 g
ABS                14:22             95 g              88 g     ABS juice or glue needed to prevent warping
PET               *** NOT TESTED YET ***
Attachments
sgi-o2-hdd-caddy-v2.zip
(4.45 MiB) Downloaded 5 times

User avatar
swarm
Posts: 18
Joined: Sun Jul 09, 2017 1:47 pm
Location: Czech Republic
Contact:

Re: SGI O2 HDD caddy (STL file needed for 3D printing)

Unread postby swarm » Tue Sep 05, 2017 12:46 pm

A cage printed from ABS... Don't forget: ABS juice or glue needed to prevent warping! :)

Dodoid, HurricaneJames: I'm curious about the results of your printing. Regarding the "project" - Unfortunately, I don't have much free time* to participate in such things more seriously - I usually do only what is necessary solve my own problems :). I hope that one of you will share the model for Octane as I have one without any HDD caddy.
Attachments
_DSF9760.jpg
_DSF9758.jpg
_DSF9750.jpg
_DSF9748.jpg

User avatar
HurricaneJames
Posts: 103
Joined: Thu Jul 06, 2017 10:08 pm
Location: Santa Clara, CA

Re: SGI O2 HDD caddy (STL file needed for 3D printing)

Unread postby HurricaneJames » Tue Sep 05, 2017 2:56 pm

swarm wrote:HurricaneJames: I'm curious about the results of your printing . . . I hope that one of you will share the model for Octane as I have one without any HDD caddy.


I updated in the original thread I create for the Octane model, http://forums.nekochan.net/viewtopic.php?f=3&t=16732213

I shared the model on Thingiverse: https://www.thingiverse.com/thing:2512810

I forgot that it was a long weekend, and thus my wife did not allow me any time off to finish the print with the front face installed. It is running today and I should have pictures tomorrow.
:320: :1600SW: :O2: :1600SW: :Octane: :Octane: Image

User avatar
swarm
Posts: 18
Joined: Sun Jul 09, 2017 1:47 pm
Location: Czech Republic
Contact:

Re: SGI O2 HDD caddy (STL file needed for 3D printing)

Unread postby swarm » Mon Sep 11, 2017 11:47 am

Hi everyone,

I'm glad to see that the caddy has 8+3 downloads already. I would not expect
so many so quickly.

I would definitely appreciate a feedback from those who tried to print it so
that I would learn how it came out from different printers. Pictures of your
prints are welcome!

You can notice in the pictures of my last post that the ABS print have not
came out completely right because its corners have lifted off the heat-bed
during the print. I should have used ABS juice or a paper glue, not relying
on the PEI foil adhesion forces only.

In spite of that, the part is fully usable (though a bit loose as it got
warped near its locking surfaces), so the I've decided not to rework it and
print the third one that I need from PET. So stay tuned.


Return to “SGI: Hardware”

Who is online

Users browsing this forum: Ahrefs [Bot], Yahoo [Bot] and 2 guests