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- Lampshade is in extrusion forming with high purity aluminum. 灯罩采用高纯度铝材挤压成型,反光效率高,不会脱色;
- Heat Upsetting and Extrusion Forming of Pipe Joint 管接头的热镦挤抽芯成型
- Based on summing up different kinds of technological process of precision forging of spur gear,a new upsetting extrusion process and pattern die are designed. 在总结各种直齿圆柱齿轮精锻工艺的基础上,设计了一种直齿圆柱齿轮镦挤精锻工艺和模具,并进行了实验和上限模拟。
- The laborsaving advantage of this process is verified by extrusion force comparing experiments between shear extrusion and upsetting extrusion processes of components with branches. 由剪-挤和镦-挤成形枝叉管形件的挤压力对比模拟实验,得出剪-挤成形过程挤压力降低规律,并验证了该工艺节能省力的特点。
- By the analysis and comparison of upsetting extrusion and cold forging technology,the upsetting extrusion technology on the countersunk square neck bolt is introduced in the paper. 通过两种工艺方案中成型凹模受力情况的分析比较,说明用镦挤工艺生产沉头方颈螺栓,可降低镦锻力,提高模具寿命,保证零件质
- This paper deals with the numerical simulation analysis of hot extrusion forming process of the Hooke's Joint using three-dimensional elasto-plastic finite element method. 采用三维弹塑性有限元法对虎克式万向节热挤压成形过程进行了数值模拟分析。
- Therefore, the extrusion forming can be guided by the microstructure evolution law of the materials, such as the dislocation evolution of the ECAP. 因此,考虑等径角挤压过程中的位错演化等材料微观组织演化规律,对材料的实际挤压成形有指导作用。
- Extrusion forming with aluminum alloy. Solid structure. Not easy to deform. Surface processed with static coating. Light angle adjustment function. Bevel design. AR70 illuminant. 采用铝合金挤压成型结构稳定,不易变形,表面静电喷涂处理;可根据需要调整照射角度;斜边设计AR70光源;适用于商业场所,酒店,展厅,精品店,家庭等照明。
- In order to find a method to reveal the deforming rnles of the viscoplastic extrusion forming such as the isothermal extrusion and superplastic extrusion etc. 为了寻求一种能全面揭示象等温和超塑性这类粘塑性复合挤压成形变形规律的方法,采用刚一粘塑性有限元对常温具有粘塑性行为的工业纯铅复合挤压进行了数值模拟。
- This paper is an introduction to the melten material stacking forming technology.The extrusion forming and spraying forming is compared.The features and applications is gaven out. 介绍了熔融材料堆积成形技术,对熔融挤出堆积成形和熔融喷射堆积成形进行了对比,讨论了这一成形技术的特点和应用领域。
- Aiming at the problem of incline of lintel in warm extrusion forming process for copper alloy solid bearing retainer, the rigid-plastic FEM analysis models have been setup and numerical simulation and analysis been made, improving measures put forward. 摘要针对轴承保持架温挤压成形中出现的过梁倾斜等问题,建立了刚塑性有限元模型,对温挤压成形过程进行数值模拟,并提出了相应的改进措施。
- This article introduced some methods of spline cold forming technology : forward die extrusion die forming, mud-rolls die extrusion forming, cold rolling forming and plate type cold rolling forming. 本文对花键整体凹模正挤工艺、多辊冷挤压成形工艺、冷滚轧成形工艺、平板齿条搓挤工艺等花键冷成形技术和特点进行介绍。
- A research was established regarding shrinkage of extruded product from pneumatic assisted extrusion forming process, It is studied the major cause are due to molten state film and melting sag. 对气辅挤出成型过程中存在的挤出物挤出缩小现象进行了研究,分析认为挤出缩小产生的主要原因是半固态熔膜和熔垂。
- The possibility of extrusion forming of spline tubes is analyzed,including the mechanical calculation and friction force analysis for extrusion forming and preliminary design of moulds. 分析了冷挤压成形花键管的可行性,包括挤压成形的力学计算、摩擦力分析和模具的初步设计。
- By means of mordern metallography analysis technology, The microstructure and properties of carburizing-warm extrusion formed gears were studied. 借助于现代冶金分析技术,对传统切削成形和渗碳-温挤成形齿轮的组织进行了研究。
- He upset his stomach by eating too much rich food. 他吃油腻东西太多,胃很难受。
- His sudden death upset everybody. 他的突然去世使大家深感悲伤。
- The storm upset their plans for a hike. 暴风雨破坏了他们的远足计划。
- hot back-ward extrusion forming die 热反挤压成形模具
- She had a major emotional upset. 她情绪上受到了沉重的打击。