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post #1 of 2 (permalink) Old 04-21-2011, 11:52 AM Thread Starter
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Join Date: Apr 2011
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First Name: Ray
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Default crown molding issue

To give you a better picture, i plan to make dental work for some crown molding out of 2x4 8' long stock. therefore i will bevel one edge of the board at 45 degrees and then using a crown molding bit make the design on the beveled edge. i plan to us a router table. that means that the board will be held at an angle against the fence although the bevel will be flat against the fence when i pass it against the bit. the questions are: (1) is it feasible (2) will the feather board hold the stock against the bit properly given the angle of the stock, (3) what advice can you give me or is there a better way?
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post #2 of 2 (permalink) Old 04-21-2011, 12:51 PM
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Hi Ray,
Most bits I've seen you run the stock flat against the fence & the bit cuts the profile. Then you can cut your top & bottom bevels on the table saw. If I understand your question correctly & if you are planning to bevel the face & leave the back square I would advise against this. Most wall to ceiling joints are not perfectly flat or square. The solid square back of your crown will not be able to follow an out of square ceiling line without leaving some gaps. Using or making flat stock for this allows some give in your crown to follow the uneven surface that most ceiling/wall joints have.

There are 3 common angles for crown they are 38/52, 45/45, 52/38. The 38/52 is used for the shorter ceilings such as 8' high. As the ceiling heights gets taller the angles should change to view the crown from below.

James
Whittier, CA.

Have a nice & safe day!
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