underframe

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

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

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

Structural design of electric locomotive car body underframe

电力机车车体底架结构设计

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

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。

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

Design of Bending Scheme of Depressed Underframe of Depressed Car

凹底平车凹底架折角方案设计研究

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

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

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。

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

Development of Tank Car without Underframe

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

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

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

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。

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。

The structure design of bending portion of depressed center flatcar underframe is a key technological problem .

凹底平车的弓型凹底架，其弯角部的结构设计，是凹底平车设计中的关键技术问题。

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。

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

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。

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。

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

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。

In this paper , the recent development of coal car with aluminium carbody and advantage of coal car with channel form underframe and trend of reformation from steel carbody to aluminium carbody .

介绍铝制车体运煤车的最新发展，槽形底架煤车的优点，以及钢制车体煤车改造成铝制车体的动向。

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。

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。

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。