Q about a Solenoid

Discussion in 'The Projects Forum' started by RiG615, Mar 22, 2009.

  1. RiG615

    Thread Starter Active Member

    Nov 13, 2008
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    0
    I'm curious about the following & I want to know everyone's opinion.

    I want something to pull back a spring (650N/m) and Im curious if a solenoid can do the job.
    The spring has to be able to be compressed about 5 cm where it will get latched. The whole thing is portable and battery operated preferably if possible.

    1.) How big of a solenoid is required to do the job? How much voltage & How long does it have to be, how many coils ect?? Rough estimates are fine

    2.) Is it possible/plausible to build such a required solenoid? tips


    Thanks, I appreciate your input!!:D
     
  2. flat5

    Active Member

    Nov 13, 2008
    403
    17
    "want everyone's opinion"
    I don't know. You may want to use a motor and gears.
    Perhaps wind a clock spring.

    What are you doing?
     
  3. thatoneguy

    AAC Fanatic!

    Feb 19, 2009
    6,357
    718
    What kind of spring is this?

    480 ft-lbs of force required??
     
  4. RiG615

    Thread Starter Active Member

    Nov 13, 2008
    50
    0

    It is a 5 in compression spring.
     
    Last edited: Mar 22, 2009
  5. KMoffett

    AAC Fanatic!

    Dec 19, 2007
    2,574
    230
    5 inches or 5 cm?

    ken
     
  6. RiG615

    Thread Starter Active Member

    Nov 13, 2008
    50
    0
    it is 5 inches (13cm) long.
    I want to compress the spring 5 cm.

    The spring constant is 650 Nm
     
  7. Bernard

    AAC Fanatic!

    Aug 7, 2008
    4,173
    397
    Best guess I come up with, force of 117 oz; long throw solenoid , 24V DC@7A pulls 59 oz 4.6 cm. 10 % duty. Solenoid might be doable 20A with 18 "C" NiCd cells in series. I'd use a motor with gear reduction, 3V 100mA+-.
     
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