通过试验及长期的生产实践，证明了该冷拔管机技术可靠。
Relevant experiments and long - term operation practice of the mill have shown the technologically reliability of the mill.
对LB - 20单链冷拔管机的主链条链板进行了可靠性设计分析。
An analysis is made with the reliability design of the main link-plate of LB-20 mono-chain pipe cold drawing mill.
现主要生产油缸（ 油缸管）、冷拔管、珩磨管、活塞杆以及机械加工制造等，年产量达20000余吨。
We mainly produce cylinder, cold drawn tubes, honing tube, piston rod, and machinery manufacturing, the annual output reaches over 20,000 tons.
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。
Aluminium and aluminium alloys. cold drawn rod bar and tube. part 8 : porthole tubes, tolerances on dimensions and form.
针对45钢冷拔厚壁管存在内表面横裂纹问题，分析了其产生的原因。
The causes of inner transversal crack of cold-draw heavy wall pipe of 45 steel were analyzed.
实验表明，理论计算值与实测值较吻合，可为冷拔内螺旋凸筋管的拔制设备选型提供理论依据。
The experiment result shows that the theoretical values are close to those measured, which provides a theoretical basis for internal-ribbed pipe cold-drawing equipment type selecting.
利用上界法推导了冷拔内螺旋凸筋管拔制力计算式。
The formulas of drawing force for spiral internal-ribbed pipe cold-drawing are derived with upperbound method.
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。
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.
建立了冷拔钢管管坯下料长度的数学模型，用CACPP软件系统研究了管坯长度对钢管生产成本的影响。
The effect of tube bloom length on the production coat of the steel tubesis analyzed by CACPP software system.
采用工程法推导了冷拔内直筋管拔制力的计算公式。
The formula of drawing force for cold-drawn inner fin tube is derived with slab method in this paper.
主要产品有高精度冷拔油缸、高强度精密冷拔油缸筒、精密珩磨管、液压油缸总成。
The main products are high precision cold-drawn fuel tank, high strength precision cold drawn cylinder tube, precision honing tubes, hydraulic cylinder assembly.
主要产品有高精度冷拔油缸、高强度精密冷拔油缸筒、精密珩磨管、液压油缸总成。
The main products are high precision cold-drawn fuel tank, high strength precision cold drawn cylinder tube, precision honing tubes, hydraulic cylinder assembly.
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