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My Current Project (cnc)

Discussion in 'Fixed Blades' started by BlueBird, Jul 30, 2021.

  1. BlueBird

    BlueBird New Member

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    Hi guys, still working on prototype, nothing is finish, but i will start by showing you some pictures first.


    I start making hole in the blank for the scale, lanyard hole, and holes for the fixturing, so i can put the blank in my fixturing pallet i make to mill the contouring, bevel, engraving and chamfering:
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    After that i can flip the knife and make the other side
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    After that i put the knife in another fixture to cut the tab
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    And i can start the finishing job, i made a roughly job here but again its just a prototype:
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    My plan is to make the rough finishing before heat treat (I will need help on that, i dont have the setup so im looking to pay a pro).

    Scales are designed but i need to make the fixturing before.(Burlap micarta)

    Not sure about the sheath. I was thinking about kydex with some leather, need to check that.

    Need to work the jimping. May be i will make it by hand after the machining.

    AEB-L, lenght of 6.57", 0.145" thick.

    Feel free to tell what you think, thanks !!
     
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  2. Mythtaken

    Mythtaken Staff Member CKM Staff

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    Great job of showing the process! That looks like a nice little user. I like the simple, clean lines.
     
  3. BlueBird

    BlueBird New Member

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    Thank you ! Do you know if http://heattreat.ca/ is a good place to send some blade for heat treat ? 16$ including cryo seems to be a pretty good price..
     
  4. Mythtaken

    Mythtaken Staff Member CKM Staff

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    I've never used them myself, but they have built a good reputation. I wouldn't hesitate.
     
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  5. Vladimir

    Vladimir New Member

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  6. Joelsund

    Joelsund Active Member

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    Never used them, but the guy running it used to own Knifemaker.ca and has been doing it for years.

    Always had great experiences and customer services when buying supplies from him so I would think you’d have a good experience with his heat treatment as well.
     
  7. Kevin Cox

    Kevin Cox KC knives

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    Yes heattreat ca is a good place to get your blade heat treated. Rod does great work. He been doing blades for years.
     
  8. Griff

    Griff Active Member

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    Okay, I have a question, most CNC knives I have seen the machine has left lines from cutting in the bevels. Are there some photos missing between photo #2 & #3?

    If there’s not I am seriously impressed with how smooth you got the main bevel and the plunge lines off the machine, just awesome *thump up*

    Also did you go with a chisel-grind on it?
     
    Last edited: Aug 4, 2021
  9. BlueBird

    BlueBird New Member

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    Hi, i make one with lines but i prefer a smooth finish. Most CNC knife makers leave lines but they can make a smooth finish, but i need to sand them after by hand, the finish is ok but not that great. This is not a chisel grind.
    Thank you
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    [​IMG]
     
  10. Nieman Knives

    Nieman Knives New Member

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    I’ve used Atlantic heat treating for 4 batches of knives now. They have a minimum charge though of $65 ($80.06 after tax and energy surcharge) plus you need to take them there or ship them which is what I do so you are gonna be about $20 with Canada post and upwards of $35 to get fedex (or whoever) to ship them back to you because Atlantic wont ship them back, you have to arrange it yourself.

    This $65 flat rate charge will cover up to 20 knives so that’s what I do, I make 20 and send them away. In total, you are gonna spend about $135 to have them shipped there and back and heat treated so for 20 knives that’s about $7 per knife.

    I’ve only been sending aeb-l but my first 2 batches all came back warped the same way in the same places. Obviously it was something in their process or else it would be random warps right? Also, I do all my bevels post HT to help prevent the aeb-l from warping.

    overall I can’t beat the price but obviously it isn’t feasible for 1 knife. The people have been great to deal with on the phone but I was so mad with all the back and forth over the first 2 batches being warped. Obviously nobody checked them before they shipped them to me. Atlantic paid for the shipping and to fix the warping both times though
     
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  11. dancom

    dancom Dust Maker

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    This looks really good. Thanks for sharing.

    What size is your mill? I've heard that the hobby sized units are not great at steel and are relegated to synthetics and softer metals.

    Dan
     
  12. BlueBird

    BlueBird New Member

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    Thank you for sharing, may be i will call them

    Hi, its a Tormach PCNC 440, small machine, approx 10"x6" work area, 0.75HP. The tricks is to be on point with the feed and speed, and the CAM strategy. But they can do it. The 440 is small and not powerfull, but well built and rigid enough to machine stainless and titanium.
    [​IMG]

    Thanks
     
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  13. dancom

    dancom Dust Maker

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    Your machine is an ideal size for making EDCs and folders.
     
  14. BlueBird

    BlueBird New Member

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    Yes, i will make some fixed but my goal is to make a folder :)
     

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