Step 3: Drilling holes / preparing playing surface

F: Before drilling holes, you'll need to make a grid on the MDF. You can either mark the 25mm squares (1 inch squares) you self with a ruler. But if you get sick of measuring you could use the grid template provided on the bottom of the page. Then draw a bigger grid, in which the templates fit. Simply stick the template to the surface.

G: Drill the holes according to the grid you've just created. Use a dremel and drillbits with a diameter of 1mm (or 1/32 inch) to do the drilling. This job is time consuming, but do not rush. Otherwise you'll break a lot of drill bits.

In total we drilled 96x48=4608 holes, breaking 3 drill bits.

H: Use a sanding machine to remove the burrs on the other side of the sheet. This side will become your playing surface. First sand the surface down with rough paper. Then smoothen it further with fine sand paper. Make sure that the holes are free from waste.
Great Instructable. Built this guys for about $250 and it works great.
Great! Have fun with it!
Hi Guys thanks for a great instructable. I have built the table it works brilliantly. I made some slight changes (12v blowers from a camper van and an old desk for the base) We have had hours of fun. keep up the good work
Great! Great to hear you build one!
<p>We are going to build one for a school project, just asking if someone could help me with installing an electronic display for a points system or some sound on the table? It's for mechanics so we need to use some electronics in it.</p>
<p>Hi Guys, thanks for this tutorial. But, is it possible to have back the 3D model</p><p> ? Because it's not avaible anymore, same for the hole template. I've planned to make the table 40% shorter for a school project !<br>Thanks for everything, Keep doing awsome things </p>
<p>Thanks for letting me know. I've uploaded a new hole template. It's strange that you can't access the 3D model. Have you tried clicking the link? (<a rel="nofollow">http://sketchup.google.com/3dwarehouse/details?mid...</a></p>
<p>where can i find the sketchup plans? the link is broken, thank you!</p>
Mission accomplished just a few final touches but let me save the next person the headache u don't need the 150 pillars just use a peice of underlayment for the bottom and make sure u attach it to the 2 X 4 outer framing and ur good I used a bouncy house blower it works great
<p>Okay, nice! We just wanted to make sure that the MDF remains flat. Good to know that it works with less supports.</p>
Is it really necessary for the 150 some blocks of 2&times;4 I bought a sheet of underlayment for the bottom and figure only a few supports would be needed cuz it'd paper thin and light weight
Gonna try this got my 8 ft sheet mdf and frame to get started in don't see drilling 4600 holes going to well gonna take me at least 6 weeks wish I knew of a machine ship that can drill them all
I am actually making a smaller version of this now (2 by 3 feet) i know you had mentioned cfm in the instructions now i was wondering if static pressure matters also how accurate does the hole spacing have to be.
<p>At the time that I built the table, I didn't do any calculations in order to find the right air supply. Just now I did a quick search on the internet, and to my surprise I found this engineering exercise: <a href="http://user.engineering.uiowa.edu/~me_160/Extra%20Problems/Chapter3/3-162.pdf" rel="nofollow">http://user.engineering.uiowa.edu/~me_160/Extra%20...</a> It describes how to calculate the required volume flow and pressure for an air hockey table! I hope it is useful. I don't know if the values are correct though. A spacing of 25mm seems to be common. I don't think you have to worry about the accuracy of the hole spacing.</p><p>I also found this Popular mechanics article: <a href="http://books.google.nl/books?id=EuIDAAAAMBAJ&lpg=PA94&dq=Popular+Mechanics+air+hockey&pg=PA94&redir_esc=y#v=onepage&q=Popular%20Mechanics%20air%20hockey&f=false" rel="nofollow">http://books.google.nl/books?id=EuIDAAAAMBAJ&amp;lpg=P...</a> Less related to your question, but interesting anyway.</p><p>Good luck!</p>
Thank you very much for your help i actually just finished this and it works great i made my own mallets as well as 3d printed my own puck i also plan on adding a scoring system in the future.
<p>What is the average price for Home Depot? I'm thinking about doing this.</p>
<p>we made a air hockey table but we have a problem on it..we want the table the surface to be smooth.we paint an acrylic spray paint but the surface of the table is rough.what we're gonna do on it?</p>
<p>I would sand it with some fine sandpaper. Perhaps do several layers. Some tips on painting mdf to a mirror finish: http://forums.shoryuken.com/discussion/67501/how-to-paint-mdf-to-a-mirror-finish-worklog</p>
<p>Thank you for the instructable! Build it for 50 &euro;<br>I did a flipper also, you can have a look at http://benriollet.com/experimentations/arcade</p>
<p>wow, didn't see it until now. awsome :)</p>
<p>now if you have a spare refrigeration unit to pull apart you could make an ice version. </p>
I am building this table as a school project, a mini one (1mX60cm). I was just wondering how &quot;1&quot; and &quot;3&quot; fit together, and also how the sides &quot;2&quot; and &quot;4&quot; fit together? Can anyone help me?
I used polyurethane glue and nails to attach 1 to 3 and 2 to 4 (see step 2). I hope this answered your question. Good luck!
Awesome idea. I'm actually trying to make my own 6 x 3 version of this. But instead of using a leafblower, I am planning on using 8 40CFM computer fans (<a rel="nofollow" href="http://www.goldmine-elec-products.com/prodinfo.asp?number=G16778">http://www.goldmine-elec-products.com/prodinfo.asp?number=G16778</a>) They should add up to a bit over 225, which is the minimum CFM for a 6 x 3 air hockey table. But I'm not sure if this will work. Can someone help me?<br/>
Hey, I was wondering whether you have completed this project succesfully. Many people like to know whether they can use computer fans in their table. Thanks in advance!
I never actually attempted the project, so I'm afraid that I can't tell you about that. I did make a small version with a single fan, though, and it worked surprisingly well. I don't see why a scaled up version wouldn't work.
Yes it will, I bought a fan with 340 m&sup2;/h and 127 Pa pressure and it worked, the puck does not float as smooth as with the leaf blower but the noise, oh the noise, it is gone. If you play hard you will probably not notice the difference in smoothness. Here is the fan I bought, @Casvandegoor I can send you a video of the fan so you can upload it here for others. Anyway I bought the fan here, make sure you buy another piece of crap along so the total price will be over 50 euros, you can google a couponcode for getting 5 euros of from orders above 50 euros :) Shipping is free above 25 euros, but I don't know how it works for people ordering from outside the Netherlands. <br> <br>http://www.conrad.nl/ce/nl/product/189493/Ventilator-172x150x51mm-230V-IP55/SHOP_AREA_17202&amp;promotionareaSearchDetail=005
Thanks for your comment! I could embed the youtube video into the instructable?
Sure :)
Watch this to get an idea http://www.youtube.com/watch?v=q0Mz7grOln4&amp;feature=plcp <br>
how many hours did it take to complete the table and how much was all of the material to build it ?
Thinking of building one of these this coming summer! Does anyone know whether a fan like this :<br>http://www.plantlightinghydroponics.com/valueline-inch-435-cfm-centrifugal-inline-fan-p-2260.html<br>would be sufficient to supply the air?
I'm guessing that it's a fine air supply. Good luck!
does it make a lot of noise with the leaf blower? any quieter solutions?
pleas post the video you got the idea from :p
<div class="media_embed"> <iframe frameborder="0" height="315" src="http://www.youtube.com/embed/dDaZuY-Da-4" width="420"></iframe></div>
Hi! I just made the whole table following every instruction above but when I connect my blower, air comes out of 2-3 holes above the pipe and isnt spreading throughout the table! Any ideas why this is happening?? Do you think I need a more powerful blower? Please let me know quickly!! Thanks on advance! Awesome tutorial! :D
Big diameter of holes can bring it to this problem
I really can't imagine that the air only comes out 2 or 3 holes, even when air pressure is low (because the holes are so close to each other). So the only thing I can think of is that the air inlet is too close to the holes. Please provide some more details about your table, air inlet, blower (perhaps some photos). I think I will then be able to help you better.
wow if i did the top black with el wire llines be amazing lyly cool also love the viedo woho is funny
Don't worry; I like to try to help you out. I don't know the minimum CFM my leaf blower (max: 490 CFM). Neither do I know if a to high CFM creates problems. Can their output be varied? If these fans are the only option you could of course let some air escape to reduce the air pressure in the table. Sorry if this wasn't very helpful.
Hi,<br><br>I'm very new to all this DIY and I just built a surfboard rack successfully! Now looking for a more demanding project and this sounds like it. I'm just wondering whether using a PET laminated MDF board would create less friction and thus create a faster table? Also, I'm curious as about whether you could use some sort of plastic rail that bounces better than wood (which I imagine would dent and crack over time) and if you have any suggestions as to what to use.
Hey!<br>I don't think laminated mdf would create a faster air hockey table, because the puck floats above the surface of the table and doesn't actually touch it.<br><br>A lot of people have suggested the use of some sort of rails along the sides. I haven't used the table thourougly and just used the bare wood. I'm not sure what material is most suitable. Perhaps strips of acrylic or aluminium would work. <br><br>If you've got any other questions, just ask. You might also find a lot of information in this comments section. Good luck!
Thanks for the advice oldschool. I think you talk about different types of leafblowers throughout the comments; however, I'm wondering if a powerful fan could be used. One like this one<br><br><br>http://www.hydroponics.net/i/131194<br><br>or maybe 2 of the following:<br><br>http://www.ebay.com.au/itm/INLINE-DUCT-VENTILATING-EXHAUST-FAN-6-150MM-25W-METAL-/320578560668?pt=AU_Seed_Starting_Hydroponics&amp;hash=item4aa3f8a29c#ht_2973wt_907<br><br>would 2 of those work ? <br><br>maybe one at each end of the table or something... ?<br><br>Thanks for any advice you can offer
I think both options you proposed are ok.
My only concern with 2 of the ebay fans is that they produce 250 CFM each<br><br>so that would be a total of 500 CFM for the table.<br><br>Do you know what the CFM is of your leaf blower at the lower level that you use ?<br><br>I would like to know the optimal CFM for the area in your design, if you know it?<br><br>Sorry for all these questions
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