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0:53
Here's a quick peek at how we make polyester round slings! Our team loads the polyester load yarn onto spools and threads it through the polyester round sling jacket. The load yarn is pulled through continuously to create multiple loops. The more wraps there are, the stronger the sling is. We pay great attention to detail when crafting our poly round slings. Each type of sling has a precise number of load yarns, which are counted twice — both manually and digitally — to guarantee the capacity wi
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2 个月之前
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0:43
The rope used in this video is made of polyester, a synthetic fiber that doesn’t absorb much water, and its strength is not impacted by being wet. The dry rope broke first, because the oil kept it cooler. As it tightened, the cooler temperature prevented the knots from building as much heat from the friction of the knot. Polyester melts at around 490 degrees fahrenheit and starts to lose strength at about 50% of that. Even though the oiled knot is allowed to get tighter, it maintains more streng
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SOLVED: Polyester fiber ropes are increasingly being used as components of mooring lines for offshore structures in deep water. The authors of the paper "Quantifying the Residual Creep Life of Polyester Mooring Ropes" (Intl. J. of Offshore and Polar Explor., 2005: 223-228) used the accompanying data as a basis for studying how time to failure (hr) depended on load (% of breaking load):x: 77.7 77.8 77.9 77.8 85.5 85.5y: 5.067 552.056 127.809 7.611 0.124 0.077x: 89.2 89.3 73.1 85.5 89.2 85.5y: 0.0
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Purple Polyester Endless Round Sling Rigging Lifting Straps, 9 Feet Length, 2,600 lb. Vertical Capacity, 5,200 lbs Basket
已浏览 190 次
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SOLVED: Polyester fiber ropes are increasingly being used as components of mooring lines for offshore structures in deep water. The authors of the paper "Quantifying the Residual Creep Life of Polyester Mooring Ropes" (Intl. J. of Offshore and Polar Exploration, 2005: 223-228) used the accompanying data as a basis for studying how time to failure (hr) depended on load (% of breaking load). A linear regression of log(time) versus load was fitted. The investigators were particularly interested in
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