Slitting shears are used not only for shearing strip but also for shearing plate with thickness up to 40 mm in metallurgical enterprise.
圆盘式剪切机不仅用于剪切薄带和薄板,也可剪切40mm厚的中厚板。
In this paper formulas of coupling coefficients for thickness extensional and thickness shearing vibration modes along rotated axis for Lithium Niobate were obtained by Methods of matrix calculating and tensor calculating.
本文利用晶体的压电、弹性、介电矩阵,通过矩阵及张量运算,推导出铌酸锂晶体厚度模机电耦合系数的精确公式。
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