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Scales and liners

Discussion in 'Canadian Suppliers' started by Jim T, Nov 2, 2014.

  1. Jim T

    Jim T Active Member

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    I've been using 2-part epoxy to glue vulcanized liners onto my scales and letting them dry before attaching them to the tang of the blade. I've been using a 24 hour epoxy so I don't glue them to the tang until they're dried. Anyone know if I can simply use cyanoacrylate (crazy glue) to paste the liners to the scales. It dries faster and would save a lot of assembly time, but I concerned it won't hold as well as epoxy.

    Jim T
     
  2. dancom

    dancom Dust Maker Best Shop Tool

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    Hi Jim,

    In my opinion, cyanoacrylate shouldn't be used for knife construction. I think of it more of a crack filler. Like you I use a slow curing epoxy (Acraglas is my choice).

    One thing I have done is a single glue up, that is...glue everything together at the same time.
    In other words, I don't join the scales and liners in one step and then attach them to the tang in another step.
    I made sure I had oversized pin holes in the liners (so nothing binds or buckles when pinned), apply epoxy evenly on all the surfaces and a bit of pressure with clamps.

    Not sure if this is "accepted practice" but seems to work just fine.

    Of course if you're making removable scales then you'll have to bond the liner and scale pieces into a single unit before screwing them down.

    Cheers,

    Dan
     
    Last edited: Nov 2, 2014
  3. Brad

    Brad Active Member

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    I use the the same method as Dan, right down to the same epoxy. The only thing I would add is I drill a few extra holes in the liner so the epoxy can have a bond from the scale to the tang.
     
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  4. Jim T

    Jim T Active Member

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    Hmm... Thanks guys, I'll have to give it another try. Last time I tried gluing the liners and scales to the tang at the same time, I found it difficult to keep everything from sliding around. That darn epoxy is slippery stuff until it stars to set.

    And why did I put this post in the Canadian Suppliers & Reviews section? I think I need more sleep...

    Jim T
     
  5. Rob W

    Rob W Active Member

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    yes , many use quality crazy glue , I wouldnt with the fibre spacers though, works excellent on g10 , stabilized woods and micarta's , I've field tested many where the handle will break before the bond area gives way............hope this helps Jim
     
  6. dancom

    dancom Dust Maker Best Shop Tool

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    I use CA to bond two pieces of steel, like a temporary clamp. It's poor shear resistance and inability to adhere to smooth surfaces mean a tap with a hammer and the pieces will separate. If Rob has had good luck with it, I may need to do some more testing.

    Dan
     
  7. Jim T

    Jim T Active Member

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    G10 is what I've been using so far, Rob. I've also picked up some Acraglas gel which I haven't tried yet. So many fun things yet to experiement with. Too bad winter seems to have finally set in. It's gonna make it more challenging to get those builds done in a cold garage.

    Jim T
     
  8. dancom

    dancom Dust Maker Best Shop Tool

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    I hear you neighbour. -16°C in the garage this morning.
     
  9. Jim T

    Jim T Active Member

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    Just got me one of those 72,000 btu propane heaters, Dan. Heats up the garage nicely, but it's louder than my grinder and I still have to keep the window open a smidge so I don't asphyxiate myself. Not the ideal solution, but workable. I’ll be building a nice, spacious, heated shop as soon as soon as my numbers come up on the next 649. :D


    Jim T
     

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