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[Build Log] Project "Overkill" - Quad GeForce Titan's - Page 45

post #441 of 782
Sorry to hear about the troubles over there. Hope things work out for you and others.
post #442 of 782
Thread Starter 
Thanks guys, everyone is safe and well, flood waters have subsided and things have returned to normal (sort of),

So back to it, tonight after work I measured the raid card and made a cad drawing for my cutting template.



After printing out the first draft and making a few minor adjustments, I added the battery, 5mm around the card's edges and 4cm on the pci slot side so that I can screw in the ribbon cable (it has 2 x M3 holes)

Final template looks like this. (Printed on adhesive paper)



There are two schools of thought on how best to do this next part.

The first (and most popular) choice is to cutout the template along each cutting line (along the outside), stick it on the acrylic and cut. I think this would work best if you had a guillotine (I'm picking up one in the next few days), or if you only had a limited access to tools. I think if I only had a Dremel or planned to score the acrylic and snap it along the lines this would be a good option.

The second choice is to cut out the template leaving 1-4cm of adhesive paper (buffer) on each cutting line. This is my first attempt and considering the range of tools I have available to cut the acrylic, I think it will probably work better.



I will start cutting the acrylic tomorrow as its nearing 10pm here and I don't want to run the power tools and annoy/wake up the neighbors smile.gif

I have a second piece of acrylic that I'm trying different techniques with (drilling holes, cutting etc). One of the methods I tested was using a blow torch to soften the edges. This is easily the best shortcut I've found so far smile.gif

An example edge that has been cut. (you will notice the marks on the edge from the cut)


Dremel 2200 blow torch (Got this for free with the other gear biggrin.gif, a cheap blowtorch or lighter would probably do the job just as well)


The same edge after running the blowtorch (edge of the flame) back and forth 7-8 times, leaving 15-30 seconds between each pass.



I have tomorrow off so I'll start cutting first thing and update late morning / early afternoon.
post #443 of 782
Takes me back to my middle school shop days working with acrylic. Smoothing the edges with the torch was the best part of your day sometimes. Until you got a little carried away and made it bubble and blacken from the heat.
post #444 of 782
Thread Starter 
Quote:
Originally Posted by mavisky View Post

Takes me back to my middle school shop days working with acrylic. Smoothing the edges with the torch was the best part of your day sometimes. Until you got a little carried away and made it bubble and blacken from the heat.

Haha, it is definitely the most fun I've had so far,

Today didn't really go very well, I had a few failed attempts due to various reasons:

1) I need a table saw to perform big cuts. I have the table saw but I am waiting for an acrylic blade to arrive from the U.K. I will then be able to perform cuts on material up to 270cm wide (2.7metres) The acrylic I have is pre cut to approximately A3 size (the acrylic isn't pre-cut to be exactly straight), but the little Worx Roadrunner (jigsaw table) could not manage to cut anything larger than A4. For the time being I used a scorer to split the acrylic into a more manageable size.
2) Cutting the adhesive design along its edges is necessary when doing long cuts with a scorer. Again this is due to the above limitations of the jigsaw. It's much easier to line up the 2 longest edges of the adhesive design to a 90 degree cut that was made using a square and scorer than to cut them out using the jigsaw. After work tomorrow I am going to go and pick up a guillotine to make this easier. (it's too late today now to find one)

One thing I will say about the jigsaw table is its great for circular cuts and I think it will see a lot of use in the custom case project. The acrylic Bosch blades work really well and I didn't have any melting or chattering even at low to medium speeds.

I'll update again once I have the guillotine smile.gif
Edited by soth - 2/4/13 at 10:43pm
post #445 of 782
Any updates? rolleyes.gif
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post #446 of 782
Thread Starter 
I really apologize for not updating this guys.... I pretty much lost patience in a big way with cutting acrylic.

The jigsaw/scroll/band saw's i tried out just refused to cut a straight line through the acrylic, and sanding a straight edge when the cut is very uneven is incredibly difficult to do, even with a hand sander and a low grit. I expect sanding circular cuts would be much easier.

I tried many different methods using these tools, including a 60T bi-metal miter saw blade which cracked the acrylic. After about 10 efforts and a lot of wasted acrylic I gave up.

I think the band saw, scroll saw and jigsaw would be ideal for working with circular cuts, but for long straight cuts they heat up the acrylic and cause the blade to slip (even with acrylic jigsaw and band saw blades at the lowest possible speed)

However this morning UPS finally dropped off my plexiglass circular saw blade after a several week wait.

I've done a few test cuts this morning and it cuts perfect straight lines every time with very little clean up work required (sanding)

Picture of the new blade.



Later today or early tomorrow I will be cutting out the template for the acrylic.

On a side note, Nvidia announced its Titan GPU's today and there are pre-release review articles up on various websites.

I've already spoken to my local supplier and paid quite a large deposit to secure 4 of them from the first batch they receive smile.gif

Oh also on a side note, I've bought some of the new low profile push (instead of twist) based quick disconnects, should be here towards the end of the week.

You can see koolances new design here : http://koolance.com/index.php?route=product/category&path=60_142_145
post #447 of 782
FOUR GTX TITANS? All the advertisement has only bothered with describing 3 as being able to blow anything and everything out the water!
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post #448 of 782
Four titans!? Damn, that's overkill.. Oh wait, I see what you did there.
post #449 of 782
Thread Starter 
Quote:
Originally Posted by Magical Eskimo View Post

FOUR GTX TITANS? All the advertisement has only bothered with describing 3 as being able to blow anything and everything out the water!

My little bro has already offered to buy my 680's + blocks when the Titan is released biggrin.gif

I still want to finish this up with the current equipment, but I imagine this thread may continue once the titans and a water block for them are released smile.gif

I think Nateman is putting the final touches on his custom water blocks for the x79 Extreme 11 (I've had one on order for 4 months!), so installing the new block + the titans at the same time would make good sense smile.gif

His water block moves the G1/4 ports from the middle of pci-ex slots to between the first pciex slot , ram and cpu.

It will mean I can do away with the long 10cm extensions I currently have and make it look much cleaner.

These new quick disconnects from koolance are supposedly significantly lighter, so that should cut down on the sagging they cause for tubing due to their weight.

Oh i forgot to mention something pretty major, Creative has recalled all there ZxR cards, this is the email i received last week.

"Dear Alex

Thank you for purchasing Sound Blaster's new flagship sound card, the Sound Blaster ZxR.

We are writing to inform you that based on our recent routine quality checks, we discovered that there is a minor performance variation with the current sound cards. The sound cards may not be delivering the best quality audio that it is truly capable of.

Customer satisfaction is our top priority and we would like to bring this to your attention and offer a replacement unit for you. Please do give us the following information for us to request an RMA number for you to use to send your device for replacement.

Name:
Phone Number:
Email Address:
Shipping Address:

Name of the Product:
Serial Number:
Problem Description:


If you still require assistance, please reply to this email and include any previous correspondence to ensure a quick response.

Dan
Creative Worldwide Customer Response"

If by minor performance variation they are referring to the fact that when using DTS Connect to a receiver deck via optical, the DAC for the daughtercard overheats and causes the sound to only come out of one channel... then sure "minor variation" tongue.gif

I've sent it back.
Edited by soth - 2/19/13 at 3:50pm
post #450 of 782
Quote:
Originally Posted by soth View Post


I've already spoken to my local supplier and paid quite a large deposit to secure 4 of them from the first batch they receive smile.gif


I thought 3-SLI was the maximum on the new Titans?
   
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