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bending 200 resistors

Discussion in 'Electronic Basics' started by Johan Wagener, May 3, 2004.

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  1. I need to bend more than 200 resistor leads before I solder them to my
    pcb. I can't seem to find one of those resistor lead bending tools.

    Any hints on how to accurately bend them all so that they fit
    perfectly?
     
  2. CFoley1064

    CFoley1064 Guest

    Subject: bending 200 resistors
    http://www.jameco.com/

    TOOL,LEAD FORMING, 1/4-1/2WATT RESISTORS

    Jameco #106884
    Mfg Ref #801 2.75 USD

    If you're in a bind, make one yourself. Get a piece of hardwood or metal which
    has a width greater than the distance between your PCB holes. Mill it down so
    the width is one lead diameter less than the distance between your hole
    centers. Mill a small groove across the width of the piece such that the leads
    will fit securely. Then mill out a concavity in the center of the piece such
    that the resistor body will fit inside without touching the piece. Then just
    insert the resistors, and manually bend the leads down with your fingers. If
    you need a hint, punch in the number at JAmeco.com and look at the picture.
    Voilla.

    This is one of those cheapie tools that wll last at least one lifetime. Gotta
    buy one sometime.

    Good luck
    Chris
     
  3. techforce

    techforce Guest

    Heres a Fresh New Idea.

    Do you have one of those spray cans that use the long plastic Spray tube to
    get at hard to reach spots? Well, take that tube, cut part of it off at a
    length that the resistor will bottom out at one side at the appropriate
    length for your bend. Use your Finger on the end to make it bottom out. Bend
    away !





    | I need to bend more than 200 resistor leads before I solder them to my
    | pcb. I can't seem to find one of those resistor lead bending tools.
    |
    | Any hints on how to accurately bend them all so that they fit
    | perfectly?
     
  4. cpemma

    cpemma Guest

    I got a very similar jig free with an electronics mag donkey's years ago, be
    nice to say it's still going strong but I lost the beggar. :(

    Now I use a scrap of perfboard sawn through the holes.
     
  5. Was it Practical Electronics? It was imported here to Canada,
    and they often seemed to have interesting things. Fairly bulky things
    taped to the magazine. I'm sure I bought the issue with the bending jig,
    though I can't recall every using it. Salvaging resistors off circuit
    boards means there isn't much lead to work with. And if I did indeed buy
    that issue, I sure don't know where the bending jig is.

    Michael
     
  6. Sofie

    Sofie Guest

    Johan Wagener:
    Make your own bending jig by filing (or cutting with a hack saw) properly
    spaced notches or grooves in a cheap plastic ruler.
     
  7. wow, a lead bender hard to find......mouser, jameco, electronics
    express, contact east, allied electronics..........they all carry them
    from the cheap plastic forms to lever action bending tools.

    I once had to bend a bunch of diodes for a high voltage generator and
    this was before I had a commercial lead bender....I used a strip of
    perfboard cut to where I had 2 half holes on each side thats width was
    the same as the holes in the pcb. You could make a multiple size
    bender this way too just cutting the board diagonally on each side of
    a center line........but I would just buy a cheap bender. Hope I made
    that clear enough.....

    buy a plastic bender..... they are a cheap tool and worth the small
    cost.
     
  8. cpemma

    cpemma Guest

    Could well have been, but I'm talking over 30 years ago... ;)
     
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