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。
Described in the paper is the processing technique for hi-finish dies for high - precision cold-drawn steel tube.
介绍了用于冷拔高精密钢管的高光洁度模具的加工工艺试验情况。
We mainly produce cylinder, cold drawn tubes, honing tube, piston rod, and machinery manufacturing, the annual output reaches over 20,000 tons.
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。
Plymouth Tube COMPANY Description Plymouth Tube is a manufacturer of round and specialty shaped tubing, extruded and cold drawn shapes in Carbon, Alloy, Stainless Steel and Nickel Alloys.
普利茅斯钢管生产圆形与异形钢管以及热挤、冷拔特殊型钢，所生产的钢种有碳钢、合金钢、不锈钢与镍基合金钢。
The experience relationship between fin-height and rough tube wall-thickness for cold-drawn outer-spiral-fin tube is established with many-membered Iinear regression in this paper.
利用多元线性回归建立了冷拔外螺纹铜管凸筋高度与坯料壁厚之间的经验关系式。
This relationship can be used to forecast and control the fin-height of the outer-spiral-fin tube, and it has referenced value for the working-out of the technics for cold-drawn outer-spiral-fin tube.
该关系式可对外螺纹铜管凸筋高度进行预测与控制，对外螺纹铜管冷拔工艺的制订具有参考价值。
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.
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。
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