Rookie needs help with miter cut! - Woodworking Talk - Woodworkers Forum
 
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post #1 of 7 Old 09-24-2016, 05:38 PM Thread Starter
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Rookie needs help with miter cut!

Hello,
I need help with a miter cut for some crown molding. It is an outside corner and I need to cut the piece that butts up to the wall. How do I set my compound miter to make this cut? The first and second cuts were 45 angles and they match up well. But I am confused as to what angle I need to make it flush with the wall.
Thanks in advance!!
Jeff




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post #2 of 7 Old 09-24-2016, 07:22 PM
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There should be a mark you tilt the blade to about 34 degrees on your miter saw. Then there is a mark at 31.62 degrees left and right on the saw. It takes some practice to get used to but you cut the molding laying flat.
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post #3 of 7 Old 09-25-2016, 09:53 AM
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Tilting the miter saw/blade is the safe way to cut the angles - NOT the material! Do make test pieces BEFORE your final cut. Be safe.
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post #4 of 7 Old 09-25-2016, 10:53 AM
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a simple crown jig

You need an auxiliary fence to support the work. In this video you do not need the bevel because of the jig, just a simple miter:


IO your case you have an "outside" corner with a 90 degree return to the wall which starts at the beginning of the 45 degree miter. It will be a little dangerous to hold the work when it's that short.

The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)

Last edited by woodnthings; 09-25-2016 at 11:49 AM.
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post #5 of 7 Old 09-25-2016, 07:18 PM Thread Starter
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I am confused. Should I lay it flat or hold against the fence. I had been up to this point flipping the crown upside down then positioning it against the fence. Used a c clamp for the shorter pieces. Will build a jig for these small ones. If I hold it against the fence upside down using the jig, is my angle to make it flush with the wall 22.5?


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post #6 of 7 Old 09-25-2016, 08:18 PM
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Quote:
Originally Posted by jhschlak View Post
I am confused. Should I lay it flat or hold against the fence. I had been up to this point flipping the crown upside down then positioning it against the fence. Used a c clamp for the shorter pieces. Will build a jig for these small ones. If I hold it against the fence upside down using the jig, is my angle to make it flush with the wall 22.5?


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Like most things in woodworking there are several different ways of getting a job done. If the molding is small like the one shown then certainly a jig would be simpler. If the crown molding is wider though then you wouldn't have a choice but to cut it laying flat. Like I said earlier your compound miter saw is designed and indexed to cut the molding laying flat but if you don't install crown molding often enough it takes a bit of head scratching to figure out how. Like me, I install crown molding about every other year and have to really think about what I'm doing to cut it laying flat.
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post #7 of 7 Old 09-25-2016, 08:33 PM
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Quote:
Originally Posted by jhschlak View Post
I am confused. Should I lay it flat or hold against the fence. I had been up to this point flipping the crown upside down then positioning it against the fence. Used a c clamp for the shorter pieces. Will build a jig for these small ones. If I hold it against the fence upside down using the jig, is my angle to make it flush with the wall 22.5?


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To return it to the wall you cut a self return. Cut an outside 45 on the long piece then cut an opposing 45 on the drop. Cut the return off at the short point of the drop and glue or pin it on to the long piece to return it to the wall. Pic attached.

Stick to cutting in position. Easier, faster and more accurate.
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