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#1
12/31/2007, 05:21 PM
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Drilling glass, tip!
I just saw this on a DIY station on tv. Drill a hole in a sponge first so that the sponge is inside the drill bit. Then dip the bit in water and drill. Seems a lot easier that running water over it or building a damn around it. Thought it might be worth someone giving this a try.
__________________
Remember, nothing says 'good job' like a firm, open-palm slap on the behind. |
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#2
12/31/2007, 07:56 PM
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Hm, im not sure if id trust the sponge to have enough water to cool the bit in it.
Here's what I did:  To make a dam to hold the water I went out to home depot and spent 0.88 cents on a toilet wax ring thats normally used to set toilets. Used it to do 3 holes and tossed it.....kept the bits ice cold the entire time with no "I hope this will keep it cold enough" thoughts in my head. |
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#3
12/31/2007, 08:23 PM
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drilling glass
i drilled a hole in a 12mm glass on a aqua one windsor 88 tank using a 42mm bit with icecubes inside it to keep it cool & wet and had a misting bottle for the outside /the kind u use to spray plants /works a treat with no need for a dam.
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#4
12/31/2007, 09:16 PM
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i work in the glass industry
the dam is the best way to go if you dont have a water fed chuck for your diamond bits |
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#5
12/31/2007, 09:23 PM
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Hose worked best for me
http://www.youtube.com/watch?v=ZMctXz7GraU
__________________
"Sharks are naturally peaceful." "How'd you get that nasty cut anyway?" "A shark bit me." Jack of all trades, and master of none. ~Steve~ |
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#6
12/31/2007, 10:12 PM
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GREAT videofunman1!
I just drilled a 75 gal tank using a garden hose, but with quite a bit more flow. I had a couple chips (on the exterior only) and my though is that this was due to possibly some heat from the interior of the hole saw. I don't know, but it worked regardless of the chips. I don't like the sponge idea ... I dont' think it's enough water. I LOVE the toilet wax ring! Absolutely brilliant! It's cheap and plenty of water, but without making a mess. I give the wax idea 3 thumbs up! |
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#7
12/31/2007, 11:33 PM
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The only problem i have with dams is that when the bit breaks through on one side all the water starts to leak out...
 I always get small chips when I drill, no big deal at all, that's what the flange is for on the BH
__________________
"Sharks are naturally peaceful." "How'd you get that nasty cut anyway?" "A shark bit me." Jack of all trades, and master of none. ~Steve~ |
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#8
12/31/2007, 11:54 PM
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Quote:
Most of the holes I drilled cut through on one side. That would obviously drain all of the water out ... then what? Well now I don't feel so bad for having some chips
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#9
01/01/2008, 01:21 AM
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I thought it was great for 88 cents =p
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#10
01/01/2008, 01:27 AM
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I thought it was great for 88 cents =p
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#12
01/01/2008, 03:41 AM
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to help with the chipping add a few layers of duct tape to the bottom side. The chipping comes from the pressure of the drill and the thinness of the glass. the duct tape helps hold the piece in place
__________________
If id known finding Nemo was this costly I'd probably.........still set up my tank lol |
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#14
01/01/2008, 09:50 AM
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Quote:
__________________
Why can't my wife see this stuff as an investment? |
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#15
01/01/2008, 01:57 PM
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Quote:
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#16
01/01/2008, 03:35 PM
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also a fiberglass patch or a piece of glass beneath the surface you are cutting will reduce blowout
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#17
01/01/2008, 03:55 PM
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not that i would but in the event i had to drill a hole in a tank with water & sand still in i would put a plunger or suction cup on the other side to stop water and glass going into the tank then clean the hole from the ouside, when dry i would vacume it out
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