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#1
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Another question on shrinking this panel, its quite a large panel, im tempted to make it in 2 halves but this time i would to make it one piece. (Try )
I made these shrinking dies for my pullmax but seems to fatigue the metal and split it. Any ideas on the shrinking dies and the amount of shrink on this panel? 177420216_1658690957855525_6524002589090755748_n.jpg 178830807_212466437025190_7437508509703611160_n.jpg 179052388_286787429600199_69975467381494881_n.jpg 180812035_467196537672603_3419106926245499042_n.jpg 178837992_176973264297304_7923643758836577914_n.jpg 179091354_519086525764457_9215487460100074809_n.jpg 180430247_4137824836257419_8829887283228709995_n.jpg
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Bart Risuccia Last edited by Bart; 06-20-2021 at 07:43 AM. |
#2
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Do you have the opportunity to shape it differently? I'm thinking of EW bulging the center and the edge lies down alone. Exactly to size.
I mean stretch in another place. Do not download. ![]()
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Jaroslav |
#3
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But the edges are lifted. I'm hesitant to use the shrinking dies I have because they have torn other sheets before.
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Bart Risuccia |
#4
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I would like some advice how to improve my shrinking dies if possible?
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Bart Risuccia |
#5
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I thought shrinking the edges would bring the sides down but I may have miss read the sheet. I could EW edges and bring it back to original I guess
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Bart Risuccia |
#6
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Bart. I think if you carefully enlarge the center in the EW, the edges will lie down on their own.
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Jaroslav |
#7
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Thanks, ill try
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Bart Risuccia |
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John |
#9
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The successful thumbnails that I recall (full disclosure, no great experience here) have a longer, more gradual, transition along the length. IMHO a thumbnail is like an in-motion tuck point shrinking approach. You're trying to persuade the metal to shrink. If you have a short, rounded male, you run the risk of both stretching at the same time your shrinking and this may be the cause of your "fatigue and split" results.
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Marc |
#10
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Also keep in mind that the fore and aft relationship between the top and bottom of the dies can also create stretching points if the clearance between the top and bottom dies when closed is too little.
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Steve ærugo nunquam dormit |
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