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Solenoid problem?

Discussion in 'Electronic Basics' started by Greg, Aug 2, 2004.

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  1. Greg

    Greg Guest

    Hello All, I have an old Vinyl cutter that can cut rubber using a 24v
    cont duty cycle solenoid. My question is: Can the solenoid degrade
    after 10 years and thousands of cycles to not generate the downforce
    needed to cut the thicker material? I have verified the correct
    voltage to the solenoid when activated and isolated the solenoid by
    using a seperate 24V pwr supply. Either way it does not quite have the
    downforce to get thru the material. So that led me to looking at the
    linkage from the plunger to the blade holder. I lubricated and have
    tried many adjustments in the linkage. The solenoid is about $65 when
    ordered and don't know if buying the replacement will do the trick. I
    was really wondering if the solenoid can still activate but lose some
    of the downforce over the years..... Any help would be great... Thanks
    in advance
  2. Rich Grise

    Rich Grise Guest

    A solenoid doesn't deteriorate, electrically. It will wear mechanically,
    however, and gunk from the air could gum it up. But ampere-turns are
    ampere-turns, I'd think.

    Are you really losing downforce, or do you just have dull blades?

    Good Luck!
  3. Activ8

    Activ8 Guest

    ISTM that a solenoid (yoke or plunger - I think the plunger would
    foul thinks up worse) could become magnetized like a relay armature
    and that might cause it to weaken like a relay (which will fail)
  4. I would be checking the blades !!
  5. Greg

    Greg Guest

    I have, and it is not the blades...thanks anyway
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