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Posted by Toller on August 16, 2006, 4:21 pm
I am making a router tabletop out of 1/2" corian. The Insert is 3/8",
leaving 1/4" of corian. That might be strong enough, but I sure don't want
to chance it. I would like to reinforce the bottom. I can glue plywood or
more corian to the bottom around the cutout to strengthen it.
Would plywood (1/2"?) be adequate, should I use corian, or something else?
Is epoxy a good choice for the glue, or maybe polyurethane?
Is glue adequate, or should I work some bolts into it as well?
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Posted by on August 16, 2006, 4:56 pm
Toller wrote:
> I am making a router tabletop out of 1/2" corian. The Insert is 3/8",
> leaving 1/4" of corian. That might be strong enough, but I sure don't want
> to chance it. I would like to reinforce the bottom. I can glue plywood or
> more corian to the bottom around the cutout to strengthen it.
>
> Would plywood (1/2"?) be adequate, should I use corian, or something else?
> Is epoxy a good choice for the glue, or maybe polyurethane?
> Is glue adequate, or should I work some bolts into it as well?
Hello Toller:
I like the idea! Corian sink cutouts ought to be readily available;
might try that myself....
One issue with plywood is differential expansion. If the plywood
absorbs moisture it may swell, and the table might not remain flat. I
would either use 3/4" corian or glue another piece of corian---at least
a few inches wide if not full width---under the groove for the insert.
Polyurethane glue holds like the dickens, but it also expands
significantly as it cures. The "slow" or 2 hour epoxy sold at hobby
stores is about $8-10 for two 4 oz bottles and should work well. Sand
the surfaces and clean thoroughly before gluing.
Best -- Terry
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Posted by tom on August 16, 2006, 6:30 pm
By the way Toller, 1/2 minus 3/8ths equals 1/8th. Glue more Corian
rather than ply for reasons stated by another poster. A couple/few or
four countersunk fasteners are a great idea. Corian does flex and needs
reinforcement as close to your router plate as possible. Tom
Toller wrote:
> I am making a router tabletop out of 1/2" corian. The Insert is 3/8",
> leaving 1/4" of corian. That might be strong enough, but I sure don't want
> to chance it. I would like to reinforce the bottom. I can glue plywood or
> more corian to the bottom around the cutout to strengthen it.
>
> Would plywood (1/2"?) be adequate, should I use corian, or something else?
> Is epoxy a good choice for the glue, or maybe polyurethane?
> Is glue adequate, or should I work some bolts into it as well?
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Posted by Jim Yanik on August 16, 2006, 8:10 pm
> I am making a router tabletop out of 1/2" corian. The Insert is 3/8",
> leaving 1/4" of corian. That might be strong enough, but I sure don't
> want to chance it. I would like to reinforce the bottom. I can glue
> plywood or more corian to the bottom around the cutout to strengthen
> it.
>
> Would plywood (1/2"?) be adequate, should I use corian, or something
> else? Is epoxy a good choice for the glue, or maybe polyurethane?
> Is glue adequate, or should I work some bolts into it as well?
>
>
>
Glue the entire piece of Corian to a 3/4" substrate,preferably birch
plywood for rigidity;otherwise,the Corian will eventually sag from the
weight of the router.
Epoxy is fine,the right kind,of course.
I'd use West System or System Three and the right filler.
--
Jim Yanik
jyanik
at
kua.net
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Posted by Toller on August 16, 2006, 11:16 pm
>
>> I am making a router tabletop out of 1/2" corian. The Insert is 3/8",
>> leaving 1/4" of corian. That might be strong enough, but I sure don't
>> want to chance it. I would like to reinforce the bottom. I can glue
>> plywood or more corian to the bottom around the cutout to strengthen
>> it.
>>
>> Would plywood (1/2"?) be adequate, should I use corian, or something
>> else? Is epoxy a good choice for the glue, or maybe polyurethane?
>> Is glue adequate, or should I work some bolts into it as well?
>>
>>
>>
>
> Glue the entire piece of Corian to a 3/4" substrate,preferably birch
> plywood for rigidity;otherwise,the Corian will eventually sag from the
> weight of the router.
>
> Epoxy is fine,the right kind,of course.
> I'd use West System or System Three and the right filler.
>
I have a half gallon of Wests just a few feet from my router. Is there any
household product I can use as a filler, or must it be purchased? I have
used sawdust as a filler before, but not in an application where failure
could be hazardous.
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