Here are a few tips on how to use a miter saw to cut cornice.
Cutting cornice flat.
If you are a beginner start out with in position cutting.
So the crown molding sits upside down on the saw.
How to cut crown molding.
5 lay your fabric on a clean flat surface with the printed side down.
You must flip the material around to cut both ends of the inside and outside corners.
Set saw miter and bevel angles from table and diagrams below.
See the first photo.
You will use crown tables or the bosch digital protractor that will calculate the compound angles for you.
Place molding in compound miter saw with broad back surface down flat on saw table visible decorative surface up.
This video shows how to cut internal and extern.
Sometimes the measure mark is against the fence and harder to see.
Cutting crown on flat is a more precise since it can be held straight on the miter saw easier.
Top of molding doesn t have decorative edge.
One way to cut crown molding it to use the 90 degree intersection of the table and fence on a miter saw to play the part of wall and ceiling.
The left leg should touch the end of the length of cornice allowing for the width of the blade.
In my case i allowed for the scallops so placed the template off the end cut making sure the saw blade lies flat against the template s left leg.
Take your cornice board down and either clean the existing cover with a damp cloth or remove it by cutting it away with scissors.
A 12 inch compound sliding miter saw or radial arm saw is required for crown molding of more than 6 inches tall.
Flip the material around to cut both ends of the inside and outside corners.
When doing this the fence plays the part of the wall and the table plays the part of the ceiling.
Compound method flat molding laying with broad back surface down flat on saw table.
Large crown may have to be cut on flat.
If you re using a 10 inch blade you will be able to cut cornice up to 4 inches tall while a 12 inch miter saw can cut it up to 6 inch tall molding.