A quick demonstration of the basic notching operation on a Horizontal Milling Machine.

Step 1: Cutting Notch With Ordinary Hole Saw -

Center tubing to be notched on appropriate jig/holder.  

Bringheli jig being used here setup in a simple mill vise.

Centered the tubing using and edge finder then moving table to the center ((edge finder / 2) + tube diameter/ 2)

Step 2: Video of Tube Notch on Horizontal Milling Machine.

Step 3: Finish Notch With File

Tidy up the initial cut from Milling Machine with a half round file. 

Step 4: Notched Joint Ready for Brazing

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More by lincolnsmithy:Step by Step Tube Notching on Horizontal Milling Machine Tube Notching on Horizontal Milling Machine - with Vid and Photos Tube Notching on a Horizontal Milling Machine 
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