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Drawknife from a file

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Blog series by RobynHoodridge updated 03-16-2013 06:22 PM 3 parts 4559 reads 9 comments total

Part 1: planning handles

03-03-2013 07:37 AM by RobynHoodridge | 5 comments »

I was thinking of using an old file to make a drawknife blade.It’s pretty much the same size and shape.And made of the right steel.One would have to create a bevel and thus cutting edge. And flatten one face. Without overheating the steel. Like so:. But there’s a bit of a problem with a file – it doesn’t have handles or tangs to add handles to like a drawknife has.Of course, it’s possible to dedicate part of the file to becoming tangs:. But files aren’t tha...

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Part 2: roughing out the blade form

03-09-2013 09:42 AM by RobynHoodridge | 2 comments »

Having got the concept of how i was going to make my drawknife down in the form of the prototype that i showed in the previous entry of this series, i moved on to general shaping of the file. To turn it into the blade of the drawknife..I started with a file that had lost its job and sold its body, buried deep in a scrap yard..I wanted to use a file that didn’t taper at the tip (was rectangular) to minimize the material i’d have to remove to get to a dead-straight cutting edge. .An...

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Part 3: general assembly

03-16-2013 06:22 PM by RobynHoodridge | 2 comments »

With the blade form created (see the previous installment of this series); and the handles planned (see the installment before that), i set about adding handles and creating, essentially, a functional drawknife....Three millimeter thick, 20 mm wide, mild steel flat-bar was bent into the shape informed by the prototype i had made in acrylic plastic. And these steel-strip-handles were riveted to the file-derived-blade..The rivets were brass machine-screws which i ground the thread off of to bri...

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