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| Just about to build my UAII...but read about MDF splitting? |
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| Santoro:
On the top I drilled counter-sunk holes and screwed down into the ledger. Then I used wood putty to cover the holes and sanded. |
| ras2a:
--- Quote from: Santoro on July 23, 2004, 11:20:49 am ---On the top I drilled counter-sunk holes and screwed down into the ledger. Then I used wood putty to cover the holes and sanded. --- End quote --- Aha - I'm with you. Ok read my above 'edit' in my previous post...my brother reckons you can screw into the edge of MDF with no ill effect! cheers Santoro Craig |
| VMJ Team:
The splitting of the wood occurs under the following conditions: 1) Inadequate pilot holes or lack of pilot holes: Pilot hole size and depth must correspond with the size wood screw being used. Also, the material used has an affect on the pilot hole size (hard/soft wood). Refer to any sizing chart for more info: http://www.bitsnbores.com/html/screw_chart.html 2) Oversized wood screws. On a 5/8" thick piece of wood, it is not recommended to use screw sizes larger than a #10 wood screw. One thing to keep in mind....whether you use the ledger method described in this thread or screw the panels together using the method outlined in the UAII plans...without adequate pilot holes, you'll end up splitting the wood in both cases. |
| ras2a:
--- Quote from: CyberPunk on July 23, 2004, 11:29:21 am ---The splitting of the wood occurs under the following conditions: 1) Inadequate pilot holes or lack of pilot holes: Pilot hole size and depth must correspond with the size wood screw being used. Also, the material used has an affect on the pilot hole size (hard/soft wood). Refer to any sizing chart for more info: http://www.bitsnbores.com/html/screw_chart.html 2) Oversized wood screws. On a 5/8" thick piece of wood, it is not recommended to use screw sizes larger than a #10 wood screw. One thing to keep in mind....whether you use the ledger method described in this thread or screw the panels together using the method outlined in the UAII plans...without adequate pilot holes, you'll end up splitting the wood in both cases. --- End quote --- Hiya CyberPunk Yeah this is what my brother was telling me (screw guages etc - its all double-dutch to me)...thanks for the info. I'm not sure yet which method I'll use. Methinks I'll test on a couple of scrap pieces first Cheers guys Craig |
| Santoro:
I dunno, you brother sounds like he knows what he is taking about. Try it on scrap and see if you have better results than the rest of us. |
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