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Thread: MM-1 replacement spring

  1. #1
    Join Date
    Apr 2010
    San Francisco

    Default MM-1 replacement spring

    I have an old-ish MM-1 that had some sticky screws, and in the process of trying to take it apart I managed to break the springs (they were also stuck, and twisted themselves up in the process of unscrewing them). It's an older style or something - the springs were held in by a grub and a round-head screw, rather than by pins like others seem to have. Does anyone know what the specs are on the spring used or where to get replacements?

  2. #2
    Join Date
    Dec 2006


    Well, start at small parts.

    Then hit McMaster Carr.


    When the going gets weird, the weird turn pro.

  3. #3
    Join Date
    Nov 2007
    Bend Oregon USA


    well sort of...they were designed to go together but not come apart...just like my micromounts you will have a very difficult time finding that "spring" it was custom designed for them.
    Pat B on alt.lasers

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    Been there, done that, got the t-shirt & selling it in a garage sale.

  4. #4
    Join Date
    May 2007
    1 hr from everything in SoCal


    I have repaired mine before. I found some springs from a hole-in-the-wall Ace hardware. They looked like a cabinet spring.... or a door spring. You know, one with eyelets at each end. I cut it to size, bent some eyelets in it. I drilled out the screw holes in the MM-1 and made a recess in them. I ran the springs through and put pins through the spring eyelets at each end. This was back when it was very hard to find MM-1's for under $50... say, about 15 years ago. Now, it would be better to save the time and effort and just find some used ones on eBay for $20. Just throwing in my 2 pennies.
    Those who fail to grasp art are the ones who criticize it.

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