Today is lathe safety day in the shop!
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  1. #1
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    Default Today is lathe safety day in the shop!

    Stipping the insulation from about 500 lbs of copper wire.
    This was the setup I came up with. Some of the insulation is pretty tough but its working out pretty well.
    I keep a foot on the brake but nothing too bad has happened so far. Im keeping it slow.
    Today is lathe safety day! - YouTube

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  3. #2
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    I like it.

    To do endless runs set up a good rubber tire pinch roller similarly
    perhaps even put a tire in the lathe spindle and a tire just below / in front of it it on the carriage and forget the need for feeding the carriage. if your lathe will go slow enough for the tire size...

  4. #3
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    Simply take it to the scrap yard whole.

    How much price difference from cleaned wire ?

    Unless your just a "Harry Homeshop Hobbyist"....

  5. #4
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    How much more do you get paid for the stripped versus unstripped wire?

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  7. #5
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    I can't tell from the video, is the wire wrapping up around the pipe with the insulation? If that's the case, removing the copper wire from the pipe/insulation mess appears to be a time consuming endeavor.

    I have to wonder if you could have it separate, too. Strip about 3', then pull the wire out and just wind the insulation around the pipe. I would think the wire, being reasonably straight, would easily separate from the insulation, and would shoot in a reasonably straight direction out the back. Then, you're left with just a pipe load of insulation to toss (without even removing from the pipe), and just hand coil the wire in a large loop.

    Either flip your cutter to the bottom, or reverse your lathe, so that the cut is on the outside of the 'spool.'

  8. #6
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    Quote Originally Posted by digger doug View Post
    Simply take it to the scrap yard whole.

    How much price difference from cleaned wire ?

    Unless your just a "Harry Homeshop Hobbyist"....
    I have about 1500 pounds of un-stripped wire I am dumping at the scrapper for about .30/lb

    Bright copper brings in about $2.80/lb. I normally dont mess with it but $1500 for about 6 hours of work is worth it.

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  10. #7
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    Quote Originally Posted by Fish On View Post
    I can't tell from the video, is the wire wrapping up around the pipe with the insulation? If that's the case, removing the copper wire from the pipe/insulation mess appears to be a time consuming endeavor.

    I have to wonder if you could have it separate, too. Strip about 3', then pull the wire out and just wind the insulation around the pipe. I would think the wire, being reasonably straight, would easily separate from the insulation, and would shoot in a reasonably straight direction out the back. Then, you're left with just a pipe load of insulation to toss (without even removing from the pipe), and just hand coil the wire in a large loop.

    Either flip your cutter to the bottom, or reverse your lathe, so that the cut is on the outside of the 'spool.'
    Once the insulation is split and wound up on the pipe I just reverse the lathe and peel the insulation off as it unwinds. This method worked the best out of everything I tried. I takes about 4 min to do a 75' length wire.

  11. #8
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    Quote Originally Posted by kb0thn View Post
    How much more do you get paid for the stripped versus unstripped wire?
    Its about 50% up here. So its worth it.

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    That's a pretty slick setup. Thanks for taking the time to post. The last time I stripped a bunch of 4ga stranded, I made a huge mess and invented a few new cuss-words.

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    Here is the payout for the wire...


    Sent from my iPhone using Tapatalk

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    What exactly does the title have to do with the content contained within you posting ?

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    Quote Originally Posted by digger doug View Post
    What exactly does the title have to do with the content contained within you posting ?
    I figured some one was going to complain that what I was doing was not safe.


    Sent from my iPhone using Tapatalk

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    Quote Originally Posted by Turbo442 View Post
    I figured some one was going to complain that what I was doing was not safe.


    Sent from my iPhone using Tapatalk
    Topic titles need to inform what your topic is actually about

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  20. #14
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    So how do you end up with 1500 lbs of brand new copper sevice wire in 75' lengths to clean for scrap?

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    Quote Originally Posted by moonlight machine View Post
    So how do you end up with 1500 lbs of brand new copper sevice wire in 75' lengths to clean for scrap?
    And how much time spent prepping the wire ?

    This screams "Harry Homeshop".

    Suggest the OP try Homeshopmachinist.com

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    Quote Originally Posted by digger doug View Post
    And how much time spent prepping the wire ?

    This screams "Harry Homeshop".

    Suggest the OP try Homeshopmachinist.com
    Not as much harry home shop as the outward appearance of some larceny.

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    Quote Originally Posted by moonlight machine View Post
    Not as much harry home shop as the outward appearance of some larceny.
    Oh come on, what machine shop doesn't have a quarter ton of copper wire left over from connecting their lathes?

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    Quote Originally Posted by Oldwrench View Post
    Oh come on, what machine shop doesn't have a quarter ton of copper wire left over from connecting their lathes?
    And where is the electrical contractor that gives away their excess wire instead of saving it for the next job. When I was an apprentice the contractor owned all scrap, taking any was a firing offence.

  27. #19
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    Quote Originally Posted by moonlight machine View Post
    Not as much harry home shop as the outward appearance of some larceny.
    Screwing around with a lathe to do what with it ?

    Yup, I see this in all the shop's I visit around town......

  28. #20
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    You'll be sorry you scrapped that when you need to buy some new to wire something up....unless it's hot and you need to unload it....


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