Stretching & Shrinking Metal with common Tools - Page 2
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  1. #11
    Rods 'n' Sods Junkie 100ev8's Avatar
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    my chassis rails are straight/flat . i have a set of rolls to roll the tub but not sure how to roll the edge to meet the upright panel without making to much damage to the tub . your intro post is what im after but a bit more detail

    rob

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  3. #12
    Cadillac fanatic MR1958CADILLAC's Avatar
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    Great threads Prometalshop,
    always nice to see a tradesmen at work, I love working with metal, and seeing someone else's ways always helps, cant wait to see more stuff from you, it makes great reading.... Well done mate

    Thanks for taking the time to post your tech, when people like you show us how to do it, it does inspire others to have a go, so keep up the good work.

  4. #13
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    Quote Originally Posted by 100ev8 View Post
    my chassis rails are straight/flat . i have a set of rolls to roll the tub but not sure how to roll the edge to meet the upright panel without making to much damage to the tub . your intro post is what im after but a bit more detail

    rob
    hi rob
    do the curve on the upright panel and not the tub.
    its so much easier.
    mark out youre half circle to size and then put the curve in.
    you can either hammer over a wood template with the curve routed in or use a hammer and a peice of bent tube held in a vice as a dolly.
    then fix this to youre rail and lay the rolled tub over the top.do it slightly oversize for trimming and mark from below and cut.easy weld then grind of.

    if you put the curve into the tub it will become really stiff and youre have no play to open it out if need be to match the curve of the upright.


    nice tech btw mr prometalshop
    Rod/custom/drag build profiles:
    Mini | Pop | Porker | Trike | Morris 8

    | 48 chevy coupe | ford f100 | tube chassis,d pop

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  6. #14
    Full Time Metal Junkie ProMetalShop's Avatar
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    Thank you Nobody
    I have seen your work and you make it look easy , I have used both way's to do tubs.






    I was not aware until I viewed Robs photo's he was building a rectangular tube chassis.
    I was picturing a stock inner panel that was being closed off. as would be a inner and outer wheel housing.
    Your way of doing the inner panel would be much more obtainable for Ron's application.
    With that said Let me show a very small piece I made , I have maybe 20 minutes in it so it's not perfect ..... :0



    Now see how the shape was obtained by stretching one flange and and shrinking on the other. I have done this on full size panels and it works well.
    Now Ron's application would not need both flanges but I just wanted to demonstrate the flange could actually be on both sides and still form a radii.
    Again with a rectangular chassis and a flat radius sheet, cut , and an edge tipped over in a buck would be far less work than stretching an edge to follow a radii....
    Last edited by Roadrunna; 27-12-2009 at 00:57.
    Thanks Steve
    Shaping Metal Is Often Easier Than Shaping Minds

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  7. #15
    Official RnS Addict graingermouse's Avatar
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    this is so helpful, especially the bending metal with edges or flanges. if only id have known this 2 1/2 years ago, mind you the work i did then wasnt on my car, so im not too bothered

    a very useful thread

  8. #16
    Official RnS Addict smurf's Avatar
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    another excellent thread thanks for taking the time to post .

  9. #17
    Full Time Metal Junkie ProMetalShop's Avatar
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    Thank you guys for the kind words will be posting more as I gain more content and catch up on pressing jobs , and get rid of some of this SNOW
    Thanks Steve
    Shaping Metal Is Often Easier Than Shaping Minds

    http://chevylegends.com/forum/index.php

  10. #18
    I'm a newbie !
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    Chears steve iv been looking for a good tutorial or metal shrinking found a few bt this is by far te easiest to understand

  11. #19
    rb9
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    Great thread , great ideas for all ... thanks for posting.

  12. #20
    Rods 'n' Sods Junkie
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    From me too - a newcomer to the world of metal, need all the help I can get

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