采用数值方法研究了不同冷却速率、不均匀模壁温度对塑件残余应力的影响。
Effects of different cooling rates and uneven mold temperature on the residual stress inside injection molded parts are studied with the help of numerical methods.
气辅注塑家具的加工方法是：①塑料注射，熔 融的塑料注入模具型腔，熔融热塑料遇到温度较低的模壁在周围形成薄 壁凝固层；
The production process of the inflation aided injection molded furniture includes the following steps: 1. injecting molten plastic into mold cavity to form thin wall solidified layer at the mold wall;
引入回音壁模式的“模场半径”概念，由“模场半径”计算出的模式间隔和实验测量值之间符合很好。
By introducing the parameter "mode field radius" of WGMs, the mode separations calculated by mode field radius agree well with the experimental resu.
黄壁庄水库副坝防渗心墙加固工程所需高性能混凝土，要求和易性好、早期强度低、后期强度高、抗渗性能好、低弹模和高抗拉强度。
The high performance concrete for core wall of earth dam must be good workability, low early strength, high final strength, high seepage resistance, low elasticity modulus and high tensile strength.
消失模铸造干砂充填紧实过程中，干砂对模型壁的动态压力可间接反映此处干砂的紧实程度。
The dynamic pressure on pattern wall can reflect indirectly the compaction degree of sand during the course of filling and compaction of sand on EPC.
环境气候实验室罐体筒壁施工采用翻模施工技术和无脚手架施工技术。
The tank tube wall construction of climate laboratory is adopted with the somersaulting formwork technology and the no scaffold technology.
并分析了缩径率、缩径凹模半锥角、摩擦系数、缩径管坯初始壁厚对管端翘曲和轴向伸长率的影响规律。
In addition, this paper presents how the diameter reducing rate, the die semicone angle, the friction coefficient and the original wall thickness influence the buckling and the axial elongation rate.
波纹喇叭与光壁多模喇叭是两种比较理想的高效率馈源。
Corrugated wall horns and smooth wall multimode horns are two comparatively ideal feeds with high efficiency.
从分析单根薄壁管弯制工艺措施在薄壁管排成排弯上的应用的可行性入手，讨论了水冷壁薄壁管排的无梳形弯模下的成排弯工艺方法。
From aspect of applicability of single thin-wall tube bending measures in tube panel bending, panel bending procedure using cylinder bending die for water wall is discussed.
模拟结果表明，壁面滑移对微小通道的熔体充模流动具有明显的促进作用。
The simulation result indicates that wall slip can advance melt filling in micro-channel obviously.
设计不同的凸模下压速度、不同壁厚方案并完成相应的数值模拟。
A scheme of different loading speeds and wall thickness was designed and simulated.
分析了微尺度下熔体壁面滑移机理，研究了微注塑成形中壁面滑移对熔体充模流动行为的影响。
Based on the analyses of wall slip mechanism of polymer melt flowing, the effects of wall slip on melt filling flow behavior in micro injection molding were investigated.
附壁式爬模法在烟囱施工的安装、提升操作、高空拆除过程中的安全技术措施。
The author describes the safety technological measures of the wall-attachment climbing mould method in the process of installation, lifting and high altitude demolition in chimney construction.
分析了铝合金厚壁支座的弯曲工艺，计算了弯曲件的展开长度、落料力、冲孔力及弯曲力，阐述了弯曲件的回弹因素及凸凹模之间的间隙，介绍铝合金厚壁支座弯曲模具的结构设计。
The bending technology of the thick-wall supprt of aluminum alloy was analyzed, and the flattening length of bending, blanking force, piercing force and bending force were calculated.
提出了一种浮动凹模芯模闭式镦粗法，以解决厚壁管在单向加压的普通液压机上进行闭式镦粗后壁厚不均的问题。
Using closed die upsetting process to manufacture thick wall tubes on normal hydraulic press may cause the dis uniformity of the thickness along the length of the tube.
导出了介质环加载波导与光壁波导连接处的模转换计算公式。
This leads to transformation formulas for the connecting boundary of the dielectric ring loaded waveguide and smooth walled waveguide.
同时对模套壁厚作了强度和刚度计算。
The strength and stiffness of wall thickness of the mould sleeve was calculated.
基于优化后的工艺参数组合，进行再次模拟，分析金属的流动情况、应力应变及壁厚质量，确定最终的最优凸凹模结构。
Chose the most suitable process parameters to simulate once again, which analyzed the metal flow condition; stress and strain and quality of wall thickness.
旨在提供一种顺 畅取模、铸件壁厚均匀的铸造模具。
The invention aims at providing a casting die which can smoothly take a die and has the uniform wall thickness of the casting.
旨在提供一种顺 畅取模、铸件壁厚均匀的铸造模具。
The invention aims at providing a casting die which can smoothly take a die and has the uniform wall thickness of the casting.
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