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General Category => Drilling & Layouts => Topic started by: applegam on September 12, 2006, 06:48:38 AM

Title: How to drill a router sheild?
Post by: applegam on September 12, 2006, 06:48:38 AM: Guys,

Any advice on drilling the holes to attach a router sheild to the router? I beleive the bit size is about 3/8. It cracked the second it started. Tried using a pilot hole, not much more luck. Is there a specific type of bit used for drilling plastic? Thanks guys!
Title: Re: How to drill a router sheild?
Post by: bass on September 12, 2006, 02:56:25 PM: Was the drill bit sharp?
Maybe you weren't supporting the shield enough so it flexed too much.
I've worked with lexan in the past and never had a problem like that.

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Title: Re: How to drill a router sheild?
Post by: applegam on September 12, 2006, 03:07:42 PM: Yes, they were sharp. Fairly new Dewalt bits. I don't think it flexed at all to be honest, but thanks for the input!
Title: Re: How to drill a router sheild?
Post by: pgpelton on September 12, 2006, 03:45:54 PM: Sharp bits and slow speed always worked for me.
Title: Re: How to drill a router sheild?
Post by: Greg T on September 12, 2006, 04:01:35 PM: Put masking tape on both sides and use very high speed and very low pressure on the drillbit. It'll look like a factory job.
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jls31316 und olderthandirt sind zwei von Michael Jacksons Lieblingsspielwaren. Es wird gesagt, daÃŸ sie hÃ¤ufige Schlaf overs haben.
Title: Re: How to drill a router sheild?
Post by: applegam on September 12, 2006, 04:07:38 PM: Thanks for all of the good advise. What does the masking tape do though?
Title: Re: How to drill a router sheild?
Post by: Greg T on September 12, 2006, 10:39:20 PM: quote:
Thanks for all of the good advise. What does the masking tape do though?

It will stop the surface from chipping. And a high speed will deter the bit from grabbing and forcing it's way into the hole before it is drilled. I drill plexi all the time and have never failed with this method.
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jls31316 und olderthandirt sind zwei von Michael Jacksons Lieblingsspielwaren. Es wird gesagt, daÃŸ sie hÃ¤ufige Schlaf overs haben.
Title: Re: How to drill a router sheild?
Post by: azguy on September 13, 2006, 07:12:47 AM: I marked mine, laid it upside down on a 2X4 and drilled it that way. If you do not support the plastic, it will crack. As said above, slow..sharp bits.
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