最终根据模拟结果得出有效提高挤压效率，减少挤压缺陷的建议。
Finally some advices according to the simulation results on improving extrusion efficiency and reducing extrusion defects were put forward.
铝型材挤压缺陷的产生很大一部分与模具结构有关，简要介绍几种型材模具的优化设计，以克服挤压型材缺陷的产生。
The extrusion defects of aluminium profiles most have relation with die structure, and recommending several methods of design dies and to overcome defects of aluminium profiles.
介绍了冷挤压模具零件的快速磷化方法及其缺陷分析与改进措施。
The quick phosphatizing method of cold extruding die parts and its defects, as well as the solving methods are introduced respectively.
轧制过程中各道次的不均匀变形和挤压褶皱造成了圆钢表面的长条形缺陷，而表面和近表面缺陷是造成冷顶锻开裂的主要原因。
Uneven deformation and extrusion drape in the different pass when rolling cause long strip defect on the surface. Defects on the surface and near surface are the main cause for cold heading to craze.
在常规的铝及铝合金热挤压过程中，金属的温度和变形是很不均匀的，这将导致产品的尺寸、形状、组织和性能等质量方面的缺陷。
During conventional hot extrusion processes, temperature and distortion of the billets change unevenly, so the dimension, shape, organization and capability of the profile will be deterioration.
分析了6063铝合金型材在挤压过程中产生“停止痕”缺陷的原因，提出了相应的对策。
The causes for stop mark defect of extruded6063aluminium alloy profiles were analyzed. Some countermeasures were given.
分析了铝合金挤压制品常见缺陷产生原因，提出了相应的预防措施。
The reason of normal defects for aluminum alloy extruding products are analyzed, related preventive methods are provided.
本文综述了清除铸锭表层缺陷，以提高挤压材表面质量的方法。
The methods to improve the quality of the surface of extrusion materials by removing the defects on the surface layer of casting ingot are reviewed in this paper.
通过对比实验，研究了铝合金管材挤压时内表面出现的石墨压入缺陷的形成过程及影响因素。提出了预防此缺陷的措施。
Through some comparison experiments, the forming course and affecting factors of the pressing graphite defects of aluminium alloy pipes are studied. Some methods of avoiding the defects are presented.
针对试生产过程中铸件产生的各类缺陷，从其形成机理和影响因素方面进行分析，研究挤压铸造各工艺参数对AZ81镁合金的铸造组织的影响。
Aiming at the various defects in production, the effects of squeeze casting process parameters on AZ81 as-cast microstructure were investigated from formation mechanism and influence factors aspect.
热处理起泡是挤压铸件常见的缺陷之一，它与挤压方式、工艺、模具等有关。
Heat treatment blister is one of common defects of squeeze casting parts, which has some relations with molding method, process and mould.
挤压棒材表面质量良好无裂纹等缺陷，棒材中增强体颗粒和基体界面结合良好，基体合金中存在完整的等轴晶。
The surface of extrusion bar was of good quality without cracks. The interface between the particle and matrix bold was well and fine grains existed in the matrix.
此外，还对轴对称正挤压时可能出现的中心缩孔和表面裂纹缺陷进行了模拟研究，得到了预测上述缺陷的曲线或数据。
Moreover, the program is also used to simulate and analyse the cavity and the surf ace crack during extrusion. Some curves and data for prediction of the above-mentioned defects have been worked out.
通过模拟分析工艺的合理性以及成形过程中可能产生的缺陷，从而改进模具，以成形更为合理的挤压件。
Through analyzing the rationality of the process and the possible defects in forming process, the die was improved, the qualified extrusion parts were gained.
层状裂纹是7003铝合金挤压材料对焊接头中最主要的缺陷之一。
Lamellar tearing is one of the main defects in flash-butt welded joint of Al—Zn—Mgallog type 7003.
监测资料分析结果表明：导致面板水平施工缝挤压破损的直接原因是面板水平缝缝面压应力过大和结构上的缺陷；
The results of monitoring data show that the excess stress and structural defects are the direct causes for the crushing and breaking of horizontal construction joints.
监测资料分析结果表明：导致面板水平施工缝挤压破损的直接原因是面板水平缝缝面压应力过大和结构上的缺陷；
The results of monitoring data show that the excess stress and structural defects are the direct causes for the crushing and breaking of horizontal construction joints.
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