Knife Blanks

thecolgatekid8

New Member
Can anyone help me with making these blanks and help me to understand how the teeth are made?
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Looks like some sort of prison shank. probably made on a license plate machine.

kidding aside, I have no idea how that was made or for what.
 
By the looks of it, that is some type of clipper blade, the type you put a guard on and trim hair to a given length with a different numbered guard. The elongated hole in the end reminds me of where the drive shaft is inserted to drive the mechanism. Just a guess thought, and it's only because I take everything I can apart to see what makes it tick. Probably ground with a bunch of shaped grinding wheels stacked on an arbor.


Wayne
 
it looks like a hair trimmer they used to sell in the 1980's. the teeth look to be machine cut by a custom machine.
 
IF I were going to attempt to duplicate that design with readily available hand tools, I'd probably try a triangular file. To test the theory, you could try laying a tri-file into one fo the grooves and see if it make good contact.

That said, it was probably originally done with some kind of custom grinding/cutting wheel.
 
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