Study on Hot Crack for the Casting of Bolster and Side Bearer by Numerical Simulation;
摇枕与侧架铸件的热裂纹数值模拟研究
Finite element calculation of DL6W modern tramcar bogie frame and bolster;
DL6W型现代有轨电车转向架构架和摇枕有限元计算
Analysis of the problems involved in the production of Grade B steel bolsters & side frames for railway freight cars;
铁道货车B级钢摇枕、侧架生产问题的剖析
Development and application of ward adjustable pillow;
病房可调式枕头的研制与应用
In the history of China, there appeared pillows made of straw, wood, jade, porcelain, salt, amber, colored glaze, rattan, cloth and so on.
在我国古代历史上曾出现过草荐枕、木枕、玉枕、瓷枕、盐枕、琥珀枕、琉璃枕、藤枕、布枕等各种枕头。
In this paper,various kinds of pillows were designed and its objective indexes such as absolute height、physical hardness、contact pressure、contact area were measured.
设计了各种类型的枕头,通过问卷调查和对枕头的绝对高度、客观软硬度、接触压、接触面积的测试,分析了主观舒适感与客观物理指标的相关性。
Applied test of perlite admixture in concrete railway sleeper;
珍珠岩掺合料混凝土轨枕制备研究
Effect of hard spot on dynamic response of railway sleeper;
轨枕支撑硬点对轨枕动力响应的影响
The using status and problems of woodiness railway sleeper and reinforced concrete sleeper are analyzed, and the development trend of railway sleeper materials in the world is discussed.
论述和分析了我国铁路木枕和钢筋混凝土轨枕的使用现状及存在的问题,综合论述了国内外铁路轨枕材料发展的新趋势。
Improvement of B5050A slotting machines ram adjusting screw;
B5050A插床滑枕调整丝杠的改进
Taking the ram of a gantry typed machining center as an example carried out an analysis; the static and dynamic characteristics of ram were studied, and an improvement on the structure of ram was conducted.
并以龙门式加工中心的滑枕为例进行分析,研究了滑枕的静动态特性,并对滑枕的结构进行改进。
According to the features of milling planer,it should start with such aspects as initiative-driving manner,the structure of ram,materials and the style of guide track,in order to strengthen the whole stiffness and precision of milling plane and meet customer requirements.
针对龙门铣床的特点,提出从主传动方式、滑枕结构、材料以及导轨形式方面着手,增强机床的整体刚性和精度,从而满足用户的需求。
Producing and indoor experiments of Ⅱ type steel fiber concrete sleeper under dead and fatigue load;
Ⅱ型钢纤维混凝土轨枕的生产及室内静动载试验
New anchoring constructional technique of railway sleeper;
铁路轨枕新型锚固施工技术
Sleeper s design of the hole steel model trolley based on ANSYS;
基于ANSYS的隧洞钢模台车轨枕的设计
The development of the traction and bolster structure of tank car without center sill is described.
介绍了无中梁罐车牵枕结构的发展 ,依据静强度试验及运用经验 ,分析了无中梁罐车牵枕结构的受力规律 ,提出了设计无中梁罐车牵枕结构的建议。