Analysis of assembly welding techniques for center sill and underframe of the 18.4 m container flat wagon

18.4m集装箱平车中梁、 底架组焊工艺分析

Problems Existing in the Underframe Structure of the K Type Coal Hopper Car and Suggestions for Improvement

K型煤炭漏斗车 底架结构存在的问题及改进建议

The small underframe structure is the main load-bearing body in tare special car .

钻井架， 未 安在载货汽车上小 底架是特种车辆中的主要承载部件。

Optimization and Stability Analysis on Big Underframe of Large Scale Depressed Center Flat Car

大型 凹底 平车大 底架 结构的优化及稳定性分析

Analysis of the Optimized Model Selection of Large Underframe on Schnabel Car Type D 38

D（38）型钳夹车大 底架 结构优化选型分析

This article offers the analysis of the small underframe structure in the well car and the calculation of its stability as well .

文中对特种车辆小 底架进行了结构分析及稳定性计算。

Design and finite element analysis of the underframe structure for CKD_5 locomotive

CKD5型机车 底架结构设计及有限元分析

The center sill of railway wagons underframe is the major component of bearing wagon but also the major component of bearing traction during transport . Center sill quality directly affects the performance of wagon and traffic safety .

铁路货车 车体 底架的中梁是车辆承载的主要部件，也是车辆在运输过程中承受牵引力的主要部件，中梁的质量直接影响到货车的使用性能和行车安全。

Measures to prevent concentrated loading on front part of underframe in two legs hydraulic powered support & Application of offset valve in hydraulic power system of hydraulic powered support

两柱式液压支架防止 底座前端集中受载的措施&支架液压系统中补偿阀的应用

Terms for railway vehicle parts ; underframe underframe for electric locomotives .

有轨机动车部件的名称。 底盘。电动机车的底盘。

Thanks for allowance stress and displacement of the underframe continuous structural optimization is made on it by means of the optimization functions of I-DEAS .

由于 大 底架 结构 强度、 刚 度 储备 比较 大，我们使用I-DEAS软件的Optimization模块对其进行了连续变量结构优化设计。

Finite element analysis for an articulated underframe of railway freight car body

铰接式货车 车体 底架有限元分析

Then select the corresponding modules based on the underframe assembly into 3D models .

然后根据 实际 要求选择相应的模块，组装成 底架的三维模型。

Condition-based maintenance of locomotives Development of Tank Car without Underframe

机车的状态修无 底架罐车的发展

Effect of Mesh Sizes on Welding Deformation Prediction Precision of Buicks Underframe Assembly

网格尺寸对别克轿车副 车架总 成焊接变形预测精度的影响

Structural design of electric locomotive car body underframe

电力机车车体 底架结构设计

The Finite Element Calculation on the Underframe Strength of Railway Tank Cars

铁路罐车 底架的有限元强度计算

The paper presents the structure and manufacture requirements of the center-depressed underframe assembly for 320-ton center-depressed flat wagon .

介绍了320t凹底 平车 凹底架组成的结构及制造要求。

Early diesel loco often is designed as lower power and running speed with stronger underframe strength but as higher diesel power and running speed is needed advanced weight-lighten requirements was raised up .

早期内燃机车功率小、运用速度较低， 车体 底架强度设计得很大。随着机车功率的加大和运用速度的提高，对机车车体轻量化提出了较高的要求。

Analysis of the underframe sinking of hydraulic support in fully mechanized mining face

综采工作面液压支架 底座 扎 底分析

The article makes a description of assembly spot welding processes of the center sill and underframe and the assembling techniques for the locking device and the wooden floor as well . It is instructive to the manufacture of XN 17A flat cars .

介绍了XN17A 平车的中梁组焊工艺、 底架 组焊工艺、锁闭装置组装及木质地板组装工艺，对XN17A平车生产具有指导意义。

The impacts of transverse and longitudinal shrinkage of welding seam on underframe positioning .

以及焊缝横向、纵向收缩对 底架定位的影响。

Simulation Test and Research for Angle Scheme of Depressed Center Underframe of Depressed Center Flat Car Type D 26

D（26）型 凹底 平车 凹底 架 折角方案模拟试验研究

Reason analysis of cracking in DPU-30 locomotive underframe and its improvement

DPU-30型机车 底架裂纹和改进的分析研究

Development of Tank Car without Underframe

无 底架罐车的发展

With the finite element method the comparison and analysis of structure strength with several schemes are made in structure type and dimensions of the depressed center underframe .

通过有限元对结构形式和尺寸进行了多方案结构强度比较分析，最后 确定 凹底 架的结构形式为 折 角 式。