This is a quick video showing how i cut some aluminum angle strips with a dewalt dw713 compound miter saw.
Cutting aluminum gutters with miter saw.
How to cut a custom gutter miter.
The speed of the blade combined with the backward teeth make a nice clean cut with very little operator effort and without the teeth tearing out and distorting the metal.
I used a non ferrous metal cutting blade that i go.
Use it to make straight cuts as well as angle cuts depending on where you are installing the guttering.
When using a miter saw secure the pipe at the mark under the saw blade at the workbench.
Clamp the material well and go slow or the saw might grab bend twist the aluminum.
Both saws should run less than 5000 rpm and work about the same.
Use the old adage measure twice and cut once then turn the gutter upside down on the table and mark it all the way around.
But if i m doing one miter i do it by hand.
Measure the gutter to the desired length.
Laying your gutter on the workbench measure off the amount of gutter you want to cut and mark it with a pencil.
Making accurate cuts on aluminum rods tubes and angles is easy with a miter saw and a blade designed to cut nonferrous metal check the label.
Activate the saw and slowly bring it down until it severs the piece.
When cutting gutter material on the miter saw turn the profile upside down so the cut enters the more stable underside of the gutter rather than the top edges.
Use a carpenter s square to get around to the bottom.
Mark a spot on the edge of the gutter with a pencil as a guide for.
If the motor housing on your saw is open and could collect metal chips tape a piece of cloth over the openings to protect the motor windings and bearings while you cut the aluminum.
If there s ten to do the saw comes out.
With as saw i can cut a miter in copper gutters so tight that i can butt them and solder them from the inside without tabbing and folding one side.
I m pretty adept with snips but i can do it a lot faster and cleaner with a saw.
Unplug the miter saw if it is plugged into an electrical source.
Install a 12 inch blade with a carbide tipped.
Activate the saw and slowly bring it down until it severs the piece.