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trimming finger cards - Page 2

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  1. #21
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    We stopped cutting the fingers off our boards because we started sending right to the refiner. Question what do you guys think about cutting them off VS send direct to refinery?



  2. #22
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    Depends on volume. If I had thousands of pounds of circuit boards to recover, sort, and ship I'd be a fool to spend that valuable time chasing a few extra dimes to end up losing dollars. As it is, I've got time to do it, so I do. I'm looking forward to be in your shoes and not having the time to do it!

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  4. #23
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    As to the question of how to trim the fingers from cards... I use a table top type of bandsaw, a dust mask and a shop vac. I will post pictures when I can. I had a machinist make a "holder" for the shop vac intake tube. The "holder" mounts to the table of the bandsaw and it positions the intake of the shop vac hose within a 1\2" of the cutting blade.

    When I am done trimming the cards, I keep my dust mask on open the vac and settle the dust with water, then I scoop out to resulting gooey mess and put it in a sealed water AND air proof container until I can find a way to properly dispose of it. After over a year of trimming cards i still haven't half filled a pint sied glass jar with rubber gasket and metal clamp down lid. Also I have the glass jar labeled as poisonous\toxic waste.

    This is my method. Hope it might help. Best of luck with your decision.

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  6. #24
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    How much do you process a month or week like that. My safety manager would have a fit adding a band saw LOL.

  7. #25
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    Quote Originally Posted by ewasteofco View Post
    We stopped cutting the fingers off our boards because we started sending right to the refiner. Question what do you guys think about cutting them off VS send direct to refinery?
    It has been calculated and shown that removing the fingers from boards will generate the extra income to justify the time involved in removing the fingers and selling or having them processed seperately. You will develope a higher grade product will less chance of losses of your Precious Metals from your refiner.

    Here is a good cutter that does a great job.

    Northern Industrial Sheet Metal Shear — 12in. Throat Depth | Metal Shears| Northern Tool + Equipment

    Here is something else to ponder that I have been meaning to post on this thread and I feel now is a good time to put it up since you say you send your boards directly to a refiner.

    Have you done any calculations on what it cost you per Lb. to have your material processed?

    With some refiners charging $1.50-1.65 /lb. to process material. That means for each lb. of steel, brass, aluminum, plastic & copper (yes copper) that goes to refiner or that you sell. The end refiner gives no credit for, except for possibly the copper. That means for every ton of these items it is costing someone $3,000-$3,300 that someone pays for.

    I see many of you asking what can I take off a board and not loose value in the boards, or what metal can I leave on and still not get docked for having too much metal left on. I think the real question that should be asked is what junk can I take off that will increase the value of the boards.

    I see many of you going and chasing metal to make a dollar, nothing wrong with that. But start a trend and clean your boards up of excess junk and see if the buyers stand up and take notice and give you better prices.
    We buy electronic scrap, Gold Karat scrap, gold filled, refined gold, silver and many other item's.

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  9. #26
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    It seems to me it depends on your board buyer, some buyers will down grade the boards so much that you end up losing money if you trim the fingers off. just my .02

  10. #27
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    there needs to be a standard grading system that everyone can go by.
    low grade is straight fwd, mid grade is a bit cloudy, but high grade is just all over the shop.
    a mother board can range from basic to mr T like, gold hanging off it everywhere, pins and things I don't even know.
    a card with fingers can have fingers spaced out, every 2nd & 3rd missing, some are thicker plating, longer fingers,
    all kinds of variations that calling everything high grade is too general.

    I think high grade should be specified more clearly, maybe have low grade - mid grade - high grade levels 1-10
    fit everything into 10 grades of high grade so everything has a number, a ram chip might be H3, an ethernet card may be H4 or something like that, I have no idea but maybe it could be done?

    not sure but it seems most things with high grade boards is the same, there may be odd variant cards made by small companies but generally where all scrapping the same things so in combination, I reckon we could do a photo database of almost every high grade board in existence!

    why not, someone has to do it and what better place to get it done with hundreds of e-waste scrappers pulling high grade boards from things every day, then when everything is graded from 1 - 10, with the help of the refiners that buy this stuff, they can then set the price structure for the 10 grades.

    might be like..

    H1: $3.45 lb
    H2: $4.89 lb
    H3: $6.06 lb
    and so on, then as prices go up or down, they just run a percentage up or down across all 10 grades.

  11. #28
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    Quote Originally Posted by scrapperben View Post
    there needs to be a standard grading system that everyone can go by.
    low grade is straight fwd, mid grade is a bit cloudy, but high grade is just all over the shop.
    a mother board can range from basic to mr T like, gold hanging off it everywhere, pins and things I don't even know.
    a card with fingers can have fingers spaced out, every 2nd & 3rd missing, some are thicker plating, longer fingers,
    all kinds of variations that calling everything high grade is too general.

    I think high grade should be specified more clearly, maybe have low grade - mid grade - high grade levels 1-10
    fit everything into 10 grades of high grade so everything has a number, a ram chip might be H3, an ethernet card may be H4 or something like that, I have no idea but maybe it could be done?

    not sure but it seems most things with high grade boards is the same, there may be odd variant cards made by small companies but generally where all scrapping the same things so in combination, I reckon we could do a photo database of almost every high grade board in existence!

    why not, someone has to do it and what better place to get it done with hundreds of e-waste scrappers pulling high grade boards from things every day, then when everything is graded from 1 - 10, with the help of the refiners that buy this stuff, they can then set the price structure for the 10 grades.

    might be like..

    H1: $3.45 lb
    H2: $4.89 lb
    H3: $6.06 lb
    and so on, then as prices go up or down, they just run a percentage up or down across all 10 grades.
    I don't think that is going to be very possible since boards can range from .10 to over 200.00 per lb.

  12. #29
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    don't know about 10c for high grade boards, try selling them to someone here mate, your getting ripped.

  13. #30
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    Quote Originally Posted by scrapperben View Post
    don't know about 10c for high grade boards, try selling them to someone here mate, your getting ripped.
    What I'm getting at is there are too many types of boards to do this with.

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