Pennsylvania Firearm Owners Association
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  1. #61
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    Default Re: SEPA Milling Party?

    Rules are written in the stone,
    Break the rules and you get no bones,
    all you get is ridicule, laughter,
    and a trip to the house of pain.

  2. #62
    Join Date
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    Default Re: SEPA Milling Party?

    Looks good but we'd have to use, or compare to a retail jig to find out.
    Psalms 73:26

  3. #63
    Join Date
    Oct 2012
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    Douglassville, Pennsylvania
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    Default Re: SEPA Milling Party?

    OK, I was out in the garage pulling stuff but now I need to dig out a 1/4" end mill. Mine all seem to be HS. How long do the drill bits need to be? I have some pretty long ones if needed but they might be a little more difficult to weave up into the chuck. And what's the story on that drill stop collar?

    And if you print a jig out and bring it along we can check it out.
    Stupidity is inherited, ignorance is a choice.

  4. #64
    Join Date
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    Default Re: SEPA Milling Party?

    OK, my teacher is saying that I need 4 flute end mills and mine are all 3 and 2 flute. Any input on how important this is?
    Stupidity is inherited, ignorance is a choice.

  5. #65
    Join Date
    May 2006
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    127.0.0.1, Pennsylvania
    (Lancaster County)
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    Default Re: SEPA Milling Party?

    Ask if you can toss in a couple of piccolos with the 2 or 3 flutes.
    Rules are written in the stone,
    Break the rules and you get no bones,
    all you get is ridicule, laughter,
    and a trip to the house of pain.

  6. #66
    Join Date
    Oct 2011
    Location
    Quakertown, Pennsylvania
    (Bucks County)
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    Default Re: SEPA Milling Party?

    Quote Originally Posted by Walleye Hunter View Post
    OK, my teacher is saying that I need 4 flute end mills and mine are all 3 and 2 flute. Any input on how important this is?
    Weird. You tend to go more flutes the harder the material. End mills for aluminum tend to be 2 or 3 flutes. Odd numbers of flutes are to reduce vibrations while cutting. Fewer flutes also allow for better chip removal, since there is less chance the chips will bind up in the space available between the flutes. There usually isn't a problem using 4 flute end mills on aluminum, just take the feed rates a bit slower.

    I'll talk to the tooling sales guy who services my work. I might be able to get a few samples from him. Given a choice, I'd go with a 3 flute end mill with a Zirconium coating. Something like this: https://www.penntoolco.com/accupro-3...-loc-37-230-0/

  7. #67
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    Default Re: SEPA Milling Party?

    OK, sounds good. And he also just told me that the end mill has to be long, it has to stick out 2" past the collet. That explains the long one in the picture in the link that alpacaheat posted up. I don't think I have anything that long so we will need a longer shaft end mill.
    Stupidity is inherited, ignorance is a choice.

  8. #68
    Join Date
    Jun 2010
    Location
    In the can, Pennsylvania
    (Montgomery County)
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    Default Re: SEPA Milling Party?

    Quote Originally Posted by Hodgie View Post
    Are we milling AR's, Glocks or both?
    I am happy to give a demonstration of how to finish a P80 with hand tools while we wait to use the mill for the AR's.
    Frightening I know, but I can do it.

    Quote Originally Posted by alpacaheat View Post
    Since the jig MIGHT be considered a consumable item in this operation...if people chip in $10 to use it, the replacement would probably be mostly covered.

    I have this one:
    https://www.80percentarms.com/produc...asy-jig-gen-1/

    I did NOT buy the bits yet, but here's the sizes required:
    https://www.80percentarms.com/produc...-jig-tool-kit/

    1) Solid Carbide 1/4 inch end mill - custom made with super short 0.75 in flutes for optimal performance. Made in USA!
    1) 3/8 Drill Bit
    1) 19/64 drill bit
    1) 5/32 drill bit
    1) 3/8 drill stop collar
    Chipping in to buy your jig is a reasonable request, it will destroy itself with use.
    Same with the bits if the other guys can't supply them.
    I suggest we should have 2 sets of bits in case of breakage.

    Quote Originally Posted by streaker69 View Post
    Streak, I can never tell if you're serious, but if you're coming and can print out a jig that would be great.

    Quote Originally Posted by t1066 View Post
    I'll talk to the tooling sales guy who services my work. I might be able to get a few samples from him. Given a choice, I'd go with a 3 flute end mill with a Zirconium coating. Something like this: https://www.penntoolco.com/accupro-3...-loc-37-230-0/
    With your experience I would imagine your bit selection would be ideal.
    Please let us know if you are able to supply bits to fit the jig.
    If there is cost involved we can all split it.

    ------------

    Walleye:
    You may want to start thinking about possible dates.
    Some of us may get ruled out just from the timing.
    You may also want to suggest your favorite beverages and snacks.
    How can you have any cookies if you don't drink your milk?

  9. #69
    Join Date
    Jun 2010
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    In the can, Pennsylvania
    (Montgomery County)
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    Default Re: SEPA Milling Party?

    Quote Originally Posted by Walleye Hunter View Post
    OK, sounds good. And he also just told me that the end mill has to be long, it has to stick out 2" past the collet. That explains the long one in the picture in the link that alpacaheat posted up. I don't think I have anything that long so we will need a longer shaft end mill.
    Does he think one hour per person on the mill is realistic?
    How can you have any cookies if you don't drink your milk?

  10. #70
    Join Date
    Oct 2012
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    Douglassville, Pennsylvania
    (Berks County)
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    Default Re: SEPA Milling Party?

    Quote Originally Posted by Berncly View Post
    Does he think one hour per person on the mill is realistic?
    I forgot to ask.
    Stupidity is inherited, ignorance is a choice.

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