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WIP F2K Liner Lock

Sean O'Hare Dec 30, 2014

  1. Sean O'Hare

    Sean O'Hare O'Hare Knives Knife Maker or Craftsman

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    Always enjoy seeing other people's Work In Progress threads so thought I would post one of my own.

    This will be a slow process as I am still working on a batch of folders not just one but will focus on one knife as things progress.

    Here we go:

    The batch scribed and ready to cut:
    [​IMG]

    Cutting the F2K liners on my crappy ass bandsaw:
    [​IMG]

    The batch of knives roughed out:
    [​IMG]

    Everything profiled:
    [​IMG]

    Deburring one of the F2K Liners:
    [​IMG]

    F2K Closeup profiled:
    [​IMG]

    That's it for now, will post more tomorrow.

    Sean
     
    Rio likes this.
  2. Clovis

    Clovis Brigade Member Brigade Member

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    :devilcorn::thumbsup:
     
  3. Toni

    Toni JD Jeenius Lady Devil

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    Subscribed - looking forward to this! :thumbup:
     
  4. Sean O'Hare

    Sean O'Hare O'Hare Knives Knife Maker or Craftsman

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    More progress.

    Drilling Pivot hole in liner:
    [​IMG]

    Making sure the pivot fits properly in the liners after drilling & reaming:
    [​IMG]

    Profiling the important areas of the liners so that stop pin and backspacers won't be an issue later on:
    [​IMG]

    Drilled and Reaming Blade Pivot Hole:
    [​IMG]

    Test fitting blade and liners:
    [​IMG]

    Pic of the batch that I am working on:
    [​IMG]

    More tomorrow.

    Sean
     
  5. Clovis

    Clovis Brigade Member Brigade Member

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    Interesting pics Sean, I know very little of making folders, do you secure or clamp the two liners before grinding them to form?
     
  6. Sean O'Hare

    Sean O'Hare O'Hare Knives Knife Maker or Craftsman

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    After I do the rough profiling and then drill the pivot hole I put the pivot in to help line things up and then use a C-clamp (or two) to secure the liners and then grind the important parts of the liners to match. There is a pic of me doing that above.

    Sean
     
  7. Clovis

    Clovis Brigade Member Brigade Member

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    Ah, my eye sight sucks, now that I look closer I can see both liners in the pic above. Thanks!
     
  8. Sean O'Hare

    Sean O'Hare O'Hare Knives Knife Maker or Craftsman

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    Surface Grinding Blades:
    [​IMG]

    Might not look all that different but the pic shows the knife after grinding the profile so that everything fits open and closed:
    [​IMG]

    Grinding lock angle on blade:
    [​IMG]

    Getting things lined up to cut the lock:
    [​IMG]

    Sean
     
  9. Sean O'Hare

    Sean O'Hare O'Hare Knives Knife Maker or Craftsman

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    Cutting Lock Face:
    [​IMG]

    I cut the lock face first because there is more rigidity in the liner this way. In this case the liner is thick so didn't need a backing but on thinner liners I add a piece of thicker titanium to keep the liner from flexing.

    Cutting the long side of the lock:
    [​IMG]

    I use a cut-off wheel similar to a dremel wheel but these are thinner, they are 0.025".

    A Pic showing the cut lock:
    [​IMG]

    I drill the stop pin after doing the lock and then grind the blade to fit the lock (done after heat treat of blade). This erases the chance of under cutting the lock.

    [​IMG]

    Stop pin cut and in place:
    [​IMG]

    After grinding the blade where it meets the stop pin when closed:
    [​IMG]

    Group shot work to date:
    [​IMG]

    Next up will be to drill the ball detent and then on to making back spacers.

    Sean
     
  10. Stabber

    Stabber Stabber's Steel Connection Knife Maker or Craftsman

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    Now THAT is a Hand made knife!

    Great WIP/Pics Shean:thumbsup:
     
  11. Sean O'Hare

    Sean O'Hare O'Hare Knives Knife Maker or Craftsman

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    Thanks Stabber, yes definitely hand made.

    Next up is back spacers.

    Drilling holes in liners for spacers, one side will be tapped the other opened up so the screw can pass through:
    [​IMG]

    Hole opened up and countersinking the screw head:
    [​IMG]

    Tapping the lock side for the spacer screws:
    [​IMG]

    Drilling hole in what will be a spacer:
    [​IMG]

    Starting a titanium spacer:
    [​IMG]

    Marking Spacer width:
    [​IMG]

    Spacer diameter done ready to be parted off:
    [​IMG]

    Parting the spacer:
    [​IMG]

    A quick check of the assembly:
    [​IMG]

    That's it for today.

    Sean
     
  12. sandwich

    sandwich Brigade Member Brigade Member

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    Loving this thread :thumbsup::devilwag:
     
  13. Sean O'Hare

    Sean O'Hare O'Hare Knives Knife Maker or Craftsman

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    Doing the ball detent. Always a time for extra focus! You can see the pencil arch, that marks the safe area to drill the detent, ie. that blade covers that area so the ball won't fall off when opening and closing.

    [​IMG]

    Once the liner is drilled I assemble the knife and with the blade tightly closed drill the detent hole in the blade.

    [​IMG]

    After that the only thing to drill is the hole for the thumb studs.
    [​IMG]

    Chamfering the hole:
    [​IMG]

    Bolsters Cut and ready to start drilling holes:
    [​IMG]

    More on bolsters later.

    Sean
     
    Toni likes this.
  14. Jon Brand

    Jon Brand Little member

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    Very cool!
     
  15. Sean O'Hare

    Sean O'Hare O'Hare Knives Knife Maker or Craftsman

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    Sorry for the delay here had to go out of town.

    Drilling Bolster and Handle Scale Holes in Liners (I drill the lock side first and then attach them to drill the other side as you see here):
    [​IMG]

    Drilling Bolster Holes (again I do one side using the liner and then use the first bolster to align the second one):
    [​IMG]

    Squaring the bolsters where they will meet the handle scales (as soon as the holes are drilled they go into this vise and get squared up so there is no misalignment):
    [​IMG]

    There may be an easier way to do this but for me each hole gets drilled three times, one through the liner using the size for tapping the liner (for the 1-72 screws I use that is a #52), then opening that hole up to allow the screw to pass through the bolster (that is a #48), after that the screw head has to be countersunk (I think that is a $28) - This pic shows opening the hole up with a #48:
    [​IMG]

    Countersinking the screw head:
    [​IMG]

    Chamfering Bolster holes in liners before tapping:
    [​IMG]


    Tapping Bolster holes:
    [​IMG]

    Test fit of bolsters and progress update:
    [​IMG]

    Next up will be handle scales.

    Sean
     
  16. Sean O'Hare

    Sean O'Hare O'Hare Knives Knife Maker or Craftsman

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    Handle scales scribed and ready to cut (these are silver LSCF):
    [​IMG]

    A quick look at how they fit:
    [​IMG]

    Clamped and drilling first hole for screws:
    [​IMG]

    After opening up the holes in the scales I countersink for the screw head:
    [​IMG]

    Didn't bother taking a pic of tapping the holes as I already showed that, here are the bolsters and scales on the liners:
    [​IMG]

    Group shot of progress:
    [​IMG]

    Sean
     
  17. Sean O'Hare

    Sean O'Hare O'Hare Knives Knife Maker or Craftsman

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    Working on pocket clips.

    Forgot to take a pic of all of the clips scribed on the sheet of titanium so here is one after cutting it out:
    [​IMG]

    Profiled Clips:
    [​IMG]

    Just before drilling the clip:
    [​IMG]

    Forgot to take pics of drilling the clip and liners but here is the clip getting ready to bend it using my hydraulic press and a forming tool a friend made for me:
    [​IMG]

    Clip bent:
    [​IMG]

    This is what a broken tap looks like:
    [​IMG]

    So after a night in ferric chloride to dissolve the tap and breaking another one trying to finish the hole here is the clip on the knife:
    [​IMG]

    Sean
     
  18. Rio

    Rio Como un angel JDBA Official Member Knife Maker or Craftsman Brigade Member

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    Really cool Sean, I've been getting into learning how to make folders and this helps a lot:thumbsup:
     
  19. Flytanium

    Flytanium Flytanium Knife Maker or Craftsman

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    Great thread and pictures. Thanks for sharing!
     
  20. ghosthonda

    ghosthonda Huge member

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    above is why I like to buy the outstanding work versus trying to make it. really gives you an appreciation of what is put in to one.
     

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