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PRECURSOR DETECTION METHOD AND DEVICE OF STICK-SLIP PHENOMENON, AND METHOD FOR COLD-DRAWING A PIPE OR TUBE USING PRECURSOR DETECTION METHOD
PRECURSOR DETECTION METHOD AND DEVICE OF STICK-SLIP PHENOMENON, AND METHOD FOR COLD-DRAWING A PIPE OR TUBE USING PRECURSOR DETECTION METHOD
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机译:粘滑现象的前兆检测方法和装置,以及使用前兆检测方法冷拔管或管的方法
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摘要
A precursor detection device 6 detects a precursor of a stick-slip phenomenon in a drawing machine 1. The precursor detection device 6 includes a load measurement section 61 for measuring a load applied to a plug support bar 4 in the drawing direction, a precursor detection section 62 for detecting a precursor of a stick-slip phenomenon based on a load measurement value measured by the load measurement section 61, and a control section 63. After drawing is started, a load applied to the plug support bar 4 in the drawing direction is measured by the load measurement section 61 during a predetermined period from a measurement start point to a measurement end point, and based on the measured load measurement values, a precursor of a stick-slip phenomenon is detected by the precursor detection section 62.
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