Fabricating a Forward and Reverse Tumbler for a 1937 South Bend Junior Lathe

Whittle out a piece that fits out of whatever you want, cast iron, steel, alu, plastic, wood, doesn't matter. Hold it in place and drill through it into the body of the piece. Add screws and pins to suit. You can even add as strap around the periphery and screw that into place. Then ream, file or sand the hole to the correct size. As an added touch you can then paint it and most likely no one will ever know the difference.
 
I would braze it, but you could also step the fabricated section and the original piece also then use 82 degree hardware tapped into whatever the fabricated repair part is (even alum.) to bolt it together.
 
It is true that cast iron can be difficult to weld, but it usually can be brazed successfully with a minimum of distortion and can produce a very strong joint.
Look around in your area and see if there is a welding shop nearby that could do this type of work for you.
 
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