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1)  drawing [英]['drɔ:ɪŋ]  [美]['drɔ·ɪŋ]
拉拔
1.
Geometric Parameters and Numerical Simulation of Drawing Process for Odd Number Side Drill Hollow Steel Stem;
奇数边中空钢钎杆几何参数及拉拔过程数值模拟
2.
Forming Process Design of Pipe Drawing Based on Multi-objective Optimization;
基于多目标优化的钢管拉拔成形过程设计
3.
3D FEM simulation of cross tube drawing process;
十字形钢管拉拔成形的三维有限元模拟
2)  draw [英][drɔ:]  [美][drɔ]
拉拔
1.
5% single pass draught to draw,taking all these measures can get the product with high strength,high toughness and definite bending property.
5%的单道次拉拔,可获得高强度、高韧性且具有一定弯曲性能的产品。
2.
Some methods of forcing lubrication under drawing were introduced,and their characteristics were analyzed.
介绍了拉拔过程中强制润滑的几种方法,分析比较其优缺点,提出了把动、静压流体强制润滑两种方法相结合的设计方法。
3.
It is considered by examination and analysis that the main causes of brittle fracture in drawing and lower specific elongation of finished wire are local martensite existence for alloy elements’segregation, carbon segregation leading net cementite and the continuity of metal being destroyed by high nonmetal inclusion; the transverse crackles of steel wire surface are due to the deep.
 借助金相组织观察和电子探针检测,对PC钢丝生产中出现的质量问题进行研究,检测和分析认为拉拔脆断和成品钢丝延伸率低的主要原因是合金元素偏析导致局部马氏体存在、碳偏析引起网状渗碳体及严重的非金属夹杂物破坏金属的连续性;钢丝表面横裂主要是轧钢过程中折叠的表面氧化铁皮较深,或拉拔过程中润滑不良造成局部过热,导致表层产生马氏体引起的;钢丝表面划伤主要由线材出现耳子和椭圆度过大以及拉丝模安放不正所致。
3)  pull-out
拉拔
1.
Working mechanism of fully grouted bolt in pull-out working state;
拉拔工况下全长粘结锚杆工作机理
2.
The analysis of mechanical interacting between fiber and matrix was presented in this paper,the whole process of fiber pull-out load and pull-out displacement was carried out by using numerical method.
对纤维与基体的相互作用进行了力学分析,完成了纤维拉拔荷载与拉拔位移全过程的数值计算。
3.
As an important means for evaluating the surface modification of reinforcing fibers and the quality of composite interface,single fiber pull-out test has been highly regarded.
利用有限元软件,对纤维拉拔过程进行了数值模拟,分别得到不同时间下的应力和位移图及纤维拉拔时的应力状态及其对界面性能的影响。
4)  back-pull wire drawing
反拉力拉拔
1.
To research a technology of using back-pull wire drawing for working steel wire for common concrete constructions by return draw-bench.
研究了在折返式拉丝机上应用反拉力拉拔技术生产普通混凝土结构用钢丝的生产工艺,对反拉力与金属变形能耗、拉丝模使用寿命的关系,及如何提高产品力学性能进行了理论和实践的探讨。
5)  dieless drawing
无模拉拔
1.
Prediction model of wire diameter in dieless drawing process based on BP neural network;
无模拉拔过程中金属线材直径的BP神经网络预测模型
2.
Thermo-mechanical coupling analysis in the dieless drawing process of NiTi shape memory alloy wires;
NiTi合金线材无模拉拔加工过程热力耦合数值模拟
3.
Application of PID control algorithm based on genetic algorithm and BP neural network to temperature control during dieless drawing;
基于遗传BP网络的PID控制算法在无模拉拔温度控制中的应用
6)  Drawing-anneal
拉拔退火
1.
Microstructure of Copper Strip Produced by Drawing-anneal and Continuous Extrusion;
拉拔退火法与连续挤压法铜扁线的组织分析
补充资料:拉拔
分子式:
CAS号:

性质:用外力作用于被拉金属的前端,将金属坯料从小于坯料断面的模孔中拉出,使其断面减小而长度增加的方法。由于拉拔多在冷态下进行,因此也叫冷拔或冷拉。金属拉拔过程中,使用由皂基、硼砂、聚乙二醇油酸酯和水组成的乳液或由矿物油、脂肪酸、十二烷醇、油酸聚氧乙烯酯和水组成的乳液作为润滑剂,可减轻拔丝机械强度,提高拔丝速度和产品质量。

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