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METHOD FOR SHEARING TO SIZE ROLLED BARS AND RELATIVE SHEARS FOR SHEARING TO SIZE
METHOD FOR SHEARING TO SIZE ROLLED BARS AND RELATIVE SHEARS FOR SHEARING TO SIZE
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机译：轧制钢筋的剪切方法及剪切的相对剪切
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摘要
Method for shearing to size bars, the method using shears comprising a pair of counter-rotating drums (11), the shears comprising a single-channel switching device (14) suitable to cause the rolled stock (13) to transit in correspondence with a shearing zone (20) and a scrapping zone (21), there being included reception means (30, 31) for the bars sheared to size and reception means (28) for the scrapped ends, the blade-bearing drums (11) being maintained in continuous rotation for the whole duration of the shearing cycle, the rotation speed of the blade-bearing drums (11) being made proportionate, on each occasion, to the specific speed of feed of the rolled stock (13) and to the desired base measurement of the bars, the base measurement being a desired shearing length which is a sub-multiple of the length of each bar to be sheared to size, the speed of rotation of the drums (11) being angularly constant and calculated to achieve a finite number of passes of the shearing blades (17) for the specific speed of feed of the rolled stock (13) and for a plurality of specific lengths of the bar (13) which are multiples of the base measurement. Shears for shearing to size rolled bars suitable to achieve the method as described above.
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