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Balisong Discussions Customs to productions, discussions about balisongs/butterfly knives, what's the best and how to do those crazy tricks.

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  #1  
Old 05-11-2005, 12:19 AM
bj976 bj976 is offline
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Question balisong construction problem...

Y'know i was never reeeally interested in balisongs.....but then one day not too long ago WHAM! -it hit me, now i'm hooked and i MUST have one(or two or three or...)
Unfortunately my dilemma is that i cannot import the #### things, so i've decided to make my own from scratch. While drawing up designs i ran into a little problem:

y'know the 2 pins that are often found on the blade right near the 2 pivot holes? (protruding about 1/8" on either side and used to keep the blade in position whilst open/closed) Are they actually ground out of a thicker blade stock or are they fastened somehow?

If anyone has any idea how this is done i'd be most appreciative if they'd inform me.

thanks, Brenton.
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  #2  
Old 05-11-2005, 07:39 AM
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balibalistic balibalistic is offline
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Those are the "tang pin's",often you'll see two used on sandwich constructed bali's.most channel construction uses only 1 pin but two have been used!tang pin's are press fit so they can be removed if necisary,check out terry guinn's tutorial on edcknives.com,that should give you a better idea!
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Old 05-11-2005, 10:13 AM
ExamonLyf ExamonLyf is offline
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Yup.., as Bali mentions.., press fitting is the way to go....

Sounds like a fun project..., keep us posted!


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  #4  
Old 05-11-2005, 09:59 PM
bj976 bj976 is offline
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thanks chaps that's a great tutorial - but i'm unfamiliar with "press fitting". Is this simply a pin placed in the hole and then viced from either side until it expands for a tight fit? Y'see i've read that the tang pins should be hardened to around 40-45rhc and if that's the case i imagine it may be difficult to expand the hardened pin...whatya reckon? :confused:

Brenton
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Old 05-17-2005, 07:50 AM
Terry Guinn Terry Guinn is offline
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Hello Brenton,
I understand your dilema.....thats why I made the tutorial with non-tang pin
But if you want to use tang pins I would highly suggest using 1/8" or larger
"spring roll pins" should be available at auto supply shops.
Or 1/8" stainless steel rod. The 300 series (probally 304 ss) would be best. If you have a welding supply in area ask for stainless steel welding rod that is used in TIG welding. If rod does not stick to magnet or very little it will be the good stuff (300series SS) The 300 series is harder.
Next problem is getting hole just right for "press fit" you will have to experment on scrap before you do each hole. Probally have to file hole a little. You will have to do this before heat treating blade. Hole too tight and pin will deform while pressing in, too loose.........well you should have used a roll pin......
Good luck!
Terry


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  #6  
Old 08-06-2005, 01:31 AM
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Les George Les George is offline
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Terry,
How well are the roll pins holding up after some time? I like the idea of it....

Thanks
Les


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  #7  
Old 10-12-2005, 11:47 PM
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NuViking NuViking is offline
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Hey Balibalistic that is a great tutorial,,,, thankyou for sending that to me. I think I may be able to come up with my own patterns for a trainer or two. Could be haven fun this winter making steel spark and dust fly.
Rock on folks.
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