cold drawn tube 冷拉管 ; 冷拔管
HP cold drawn tube 高精度冷技管
precision cold-drawn tube 精度冷拔钢管
hi-precision cold-drawn tube 高精度冷拔钢管
High precision cold drawn tube 高精密冷拔管
cold drawn seamless steel tube 冷拔无缝钢管
cold-drawn steel tube 冷拉钢管 ; 冷拔钢管
cold drawn weldless tube 冷延无缝管
Aluminium and aluminium alloys. cold drawn rod bar and tube. part 8 : porthole tubes, tolerances on dimensions and form.
铝及铝合金。 冷拔棒材条材和管材。第8部分:多孔拉拔管尺寸和形状公差。
Experimental results proves that the theoretical values are close to those measured, so this formula can be used in production of cold-drawn inner fin tube.
实验结果证明,理论计算值与实测值较吻合,因而,该公式可在冷拔内直筋管的生产中应用。
The formula of drawing force for cold-drawn inner fin tube is derived with slab method in this paper.
采用工程法推导了冷拔内直筋管拔制力的计算公式。
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