CNC Cut Portable Wortable - Page 2 - Router Forums
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post #11 of 63 (permalink) Old 01-31-2017, 10:05 PM
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OK, So I got to thinking...what am I going to use to protect the surface of these mdf tops?

I heard water base poly was a no-no.
What about lacquer sprayed on the surface?
Shellac?

What I want to do is protect the surface from glue and paint or stain messing it up, if that is possible.
Glue on Arborite , then drill out the holes and route them out flush again ?
I know , I always overthink things

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post #12 of 63 (permalink) Old 01-31-2017, 10:58 PM
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Mike,

A couple coats of either shellac or laquer should do it. MDF already comes with a coating on it.
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post #13 of 63 (permalink) Old 01-31-2017, 11:56 PM
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Mike your tops are made of 3/4 mdf correct not medrite and you were planning on using a sealer to protect correct.
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post #14 of 63 (permalink) Old 02-01-2017, 07:04 AM
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OK, So I got to thinking...what am I going to use to protect the surface of these mdf tops?

I heard water base poly was a no-no.
What about lacquer sprayed on the surface?
Shellac?

What I want to do is protect the surface from glue and paint or stain messing it up, if that is possible.
Several coats of Bullseye shellac, sanding with fine paper between coats, finish with a buffed out coat of paste wax.
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post #15 of 63 (permalink) Old 02-01-2017, 01:16 PM Thread Starter
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Mike your tops are made of 3/4 mdf correct not medrite and you were planning on using a sealer to protect correct.
Yes sir.

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post #16 of 63 (permalink) Old 02-01-2017, 01:36 PM Thread Starter
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Several coats of Bullseye shellac, sanding with fine paper between coats, finish with a buffed out coat of paste wax.
Just took inventory. I have about 1/2 gallon of the Bulls Eye Shellac, and two partial cans of Deft lacquer.

I think I will save the lacquer for another job.

So Bulls Eye Shellac it is. Maybe today, but most likely, it will be tomorrow.

That's my story and I'm stickin' to it!
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post #17 of 63 (permalink) Old 02-01-2017, 06:44 PM
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I found a guy but his machine only has a bed of max 24 by 36 he has to do it in 2 passes . I will end up with 6ft by 2ft but I will leave the panel actual 3ft maybe even 40 inches width and from the off cut make a template to extend holes to full width of the panel. Hopefully the template will be accurate enough.
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post #18 of 63 (permalink) Old 02-03-2017, 06:17 PM
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Hey mike have you made any cuts with your tracksaw to see how well it works? Maybe I can get rid of my radial arm saw.
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post #19 of 63 (permalink) Old 02-03-2017, 06:28 PM Thread Starter
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Hey mike have you made any cuts with your tracksaw to see how well it works? Maybe I can get rid of my radial arm saw.
Not yet. I did lay out a 4 foot drywall square, and it is perfect.

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post #20 of 63 (permalink) Old 02-03-2017, 07:12 PM Thread Starter
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@roofner

Just for you!

I scrounged up a piece of plywood for a test cut.

It looks like I need to refine my cutting technique. The dowels I used had a little play (not much but just a little). And they could have been longer.

So, with the stuff I had on hand, I made a cut and it is off about 1/16th inch.

Tomorrow is going to be a busy day, so it may be next week before I can check things out.

One thing I noticed is my track has a lip on the outer edge. That may have been the culprit. Or, the holes may be off slightly. I hope not.
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