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Building my own acrylic full ATX cube case - Page 2

post #11 of 66
Hello.

I don't think that it will be easy to score and snap acrylic. Granted, I have never tried it before. You could give it a shot, but the material will most likely be very jagged and may crack.

Careful acrylic can be razor-sharp....just ask my hands

If you had the patience, you could score 90-95% of the way through the material then use a straight edge to snap it. If you have C-clamps then attach them evenly along the straight edge, they will help prevent cracking.

If you are able to successfully score and snap the material then you will have to sand the raw edge. Using 100 grit paper works well, and will leave a clean "frosted" look to the edge. If you are industrious enough you could go all the way and polish out the edge.

Ideally you would want a Circular saw, Dremel, or Jig-saw. The more teeth per inch the cleaner and cooler the cut.

As for sealing. If you are using acrylic then I would recommend some "#16". it is a bonding agent (glue). The bond is molecular so the results are very strong in structure. Using this glue can be messy... it mars every acrylic surface that it comes into contact with...care is paramount for quality results.

Okay...I'll shut up now...
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post #12 of 66
Quote:
Originally Posted by Syrillian View Post
Hello.

I don't think that it will be easy to score and snap acrylic. Granted, I have never tried it before. You could give it a shot, but the material will most likely be very jagged and may crack.

Careful acrylic can be razor-sharp....just ask my hands

If you had the patience, you could score 90-95% of the way through the material then use a straight edge to snap it. If you have C-clamps then attach them evenly along the straight edge, they will help prevent cracking.

If you are able to successfully score and snap the material then you will have to sand the raw edge. Using 100 grit paper works well, and will leave a clean "frosted" look to the edge. If you are industrious enough you could go all the way and polish out the edge.

Ideally you would want a Circular saw, Dremel, or Jig-saw. The more teeth per inch the cleaner and cooler the cut.

As for sealing. If you are using acrylic then I would recommend some "#16". it is a bonding agent (glue). The bond is molecular so the results are very strong in structure. Using this glue can be messy... it mars every acrylic surface that it comes into contact with...care is paramount for quality results.

Okay...I'll shut up now...
Also a note about the blade or bit... You do NOT want one that cuts the material. Instead, you want a chips away at the acrylic. For a saw blade, you want triangular teeth. For bits, the threading are slightly concave and so is the tip. They scoop out material.

http://www.sdplastics.com/acrylic.html
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post #13 of 66
about the mobo risers, they'll have to be electrically continous. i.e. they all need to be earthed. you could either do this by putting in a mobo tray (and spoil the look) or you could solder a piece of wire to each riser before putting them in and then have them laa join tobether somehow or other and connected to a ground wire (black) somewhere from the psu.

I think anyway
    
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post #14 of 66
Thread Starter 
i have a "C" saw, is that what you mean? would that work? it has a 7 in blade (brand new) with triangular teeth...

thanks rob yeah thats actually what i was thinking about how to ground it...im pretty sure that would work.

im trying to make it so the bottom has space for a second PSU (my main rig uses 2)
    
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post #15 of 66
Thread Starter 
Quote:
Originally Posted by Syrillian View Post
Hello.

I don't think that it will be easy to score and snap acrylic. Granted, I have never tried it before. You could give it a shot, but the material will most likely be very jagged and may crack.

Careful acrylic can be razor-sharp....just ask my hands

If you had the patience, you could score 90-95% of the way through the material then use a straight edge to snap it. If you have C-clamps then attach them evenly along the straight edge, they will help prevent cracking.

If you are able to successfully score and snap the material then you will have to sand the raw edge. Using 100 grit paper works well, and will leave a clean "frosted" look to the edge. If you are industrious enough you could go all the way and polish out the edge.

Ideally you would want a Circular saw, Dremel, or Jig-saw. The more teeth per inch the cleaner and cooler the cut.

As for sealing. If you are using acrylic then I would recommend some "#16". it is a bonding agent (glue). The bond is molecular so the results are very strong in structure. Using this glue can be messy... it mars every acrylic surface that it comes into contact with...care is paramount for quality results.

Okay...I'll shut up now...
will this saw, however, be able to make circular fan holes (and curved/circular holes/cuts) as described in my posts in page 1? probably not, but just making sure.
    
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post #16 of 66
Thread Starter 
WOOT!

Quote:
Hand saws
Good results are possible, but very difficult. Be sure the acrylic is clamped to prevent flexing. Flexing at the cut may cause cracking.

question:
Quote:
Regular twist drills can be used, but need modification to keep the blade from grabbing and fracturing the plastic. Modify the bit by grinding small flats onto both cutting edges, so the bit cuts with a scraping action. If the drill is correctly sharpened and operated at the correct speed, two continuous spiral ribbons will emerge from the hole.
what does it mean by that? (whats grinding?)

what if i use a flat drill bit after making a dent in the acrylic??
    
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post #17 of 66
Drill bits were not designed to cut laterally. It is possible, but very tim-consuming. In the end I think that you will snap the bit... that is what happens to me when I try that.

A hack-saw ("C-saw"..??) would cut the acrylic, vut once again sanding will be necessary. Circles are basically out of the question.... at least if you want anything resembling a circle.

What power tools do you have access to?
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post #18 of 66
Thread Starter 
power drill is the only power tool

so for circles i need a dremel? and whats a jigsaw btw? (i know what a dremel is but not jigsaw)

mechanical hand tools:
hack saw (C-saw)
acrylic scorer
chisel/hammer
    
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post #19 of 66
Thread Starter 
would this http://www.xoxide.com/nibbler.html
be of any help? it says it can cut out shapes in plastic....
    
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post #20 of 66
Dependant on the thickness or the sheets... the thinner the easier it is to crack it when drilling so be patient.
You may find some tips in the link
    
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