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Thread: San Diego Machine Shop Recommendation?

  1. #1

    Join Date
    Jun 2016
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    Question San Diego Machine Shop Recommendation?

    I have a toyo lens board (aluminum) that needs a larger hole. I've seen it recommended to have a machine shop do it rather than a potentially dangerous DIY hack job, but I'm having trouble finding a suitable shop near by.

    Seems like most shops are big industrial shops that want a CNC file. One shop was recommended to me but I haven't been able to get ahold of them. I would think it should only take a couple minutes to stick the board in a machine and turn out the hole.

    Anyone know of a place in San Diego they can recommend? Preferably around Miramar or Poway area.


    Board currently has a copal #3 hole but needs a betax #5 (about 80mm diameter).

  2. #2
    Tin Can's Avatar
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    Dec 2011
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    17,189

    Re: San Diego Machine Shop Recommendation?

    Thatís a 1 hour job and billed that way
    image

  3. #3
    shadow images's Avatar
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    Re: San Diego Machine Shop Recommendation?

    Quote Originally Posted by gnd2 View Post
    I would think it should only take a couple minutes to stick the board in a machine and turn out the hole.

    .
    No offense but it will probably cost you less to find the correct size board than it will be to have a shop do that. Most wouldn't do it for less than the minimum $150 shop rate. They are a business not a friend.
    Lyle

  4. #4

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    Re: San Diego Machine Shop Recommendation?

    You might consider buying a 1/2 round file and doing it yourself. Your new hole isn't hugely bigger than the existing one, plus aluminum is soft and easy to work. Draw/scribe a circle of the proper diameter and take your time with the file—the hole doesn't need to be perfectly round, simply close enough to work.
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  5. #5

    Join Date
    Jun 2016
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    San Diego
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    Re: San Diego Machine Shop Recommendation?

    I wasn't getting my hopes up but figured it was worth a shot. Some older posts seemed to suggest there were shops that would take on a small one-off project for a reasonable price. But I guess that's just not the case any more, at least not in the "big city". Maybe if I was in Podunk USA I could go to Billy Bobs Auto Shop and have him whip it out for a beer....

    Finding the "correct" board seemed more unlikely than finding a suitable shop.

    Anyway, I just picked up a fly cutter from the local Ace Hardware, that seems to have done the job well enough. The difference was big enough that I didn't want to mess with hogging it out by hand. I've done a smaller hole with a spindle sander, but this was pushing the limit of what I felt comfortable doing that way (removing 8 mm of the perimeter).

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