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Precursor detection method and precursor detection device of stick-slip phenomenon, and method for cold-drawing pipe or tube using precursor detection method
Precursor detection method and precursor detection device of stick-slip phenomenon, and method for cold-drawing pipe or tube using precursor detection method
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机译:粘滑现象的前体检测方法和前体检测装置以及使用该前体检测方法的冷拔管或管的方法
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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. 展开▼