本文从车架纵梁和横梁各个方面引起的应力分析车架断裂的原因。
A stress analysis was made on longitudinal and transverse, members of a truck frame, and the reasons of fracture of members in service were isolated.
根据最大载荷，用有限元方法对其本身以及其对车架纵梁的影响进行了分析。
Based on the maximum load, the load and its effects on the frame carling were analyzed by FEM.
通过对推土机平衡梁和车架纵梁的工作应力测定与分析，掌握了推土机的强度设计方法，为编制载荷谱打下基础。
Through test and analysis of working stress on balance beam and lengthwise beam of dozer frame, a strength design method and the basis for compiling load spectrum are given in the paper.
首先以纵梁各部分单层厚度为设计变量，建立了以车架重量为目标函数的优化模型并进行了优化研究，取得了较好的优化效果。
The first optimum model is established with the target function of the frame's weight as well as with the design variables of the beam's single layer thickness.
针对轻型货车在行驶过程中纵梁撕裂的问题，应用有限元分析软件对车架的强度进行了分析，并通过实验的方法证明了计算模型的正确性。
Static strength of the frame side rail was examined by numerical simulation using the FEA code MSC-NASTRAN with results verified by the test.
商用汽车的车架，包括用于连接两个纵梁(3)的前横梁(2)。
A frame of the commercial vehicle comprises a front cross-member (2) for the connection of two longitudinal-members (3).
为了改进小型客车正碰撞性能，建立了小型客车车架前纵梁碰撞的有限元模型。
In order to improve a mini-bus crashworthiness, firstly, a finite element method model was built.
车架：车架采用16Mn车用钢板制成的焊接式纵梁和整体贯穿式横梁组焊而成的空间框架结构。
Frame: the frame is made into a space frame structure, including the welded longitudinal beam and the whole pulling-through crossbeam, of which are made of 16mn vehicle steel.
该系列自卸车选用国际外优良名牌液压件、副车架和车厢纵梁均采用优良锰板焊接和锰板折弯制作而成。
This series dump truck adopts quality hydraulic components, sub-chassis and carriage. Longitudinal beam adopts is made of quality manganese plfore jointing and folding.
自卸半挂车车架均为穿梁式结构，纵梁采用平直式或鹅颈式。
Chassis of dump semi-trailer is beam-passing structure and longitudinal beam adopts flat type or goose-neck type.
自卸半挂车车架均为穿梁式结构，纵梁采用平直式或鹅颈式。
Chassis of dump semi-trailer is beam-passing structure and longitudinal beam adopts flfor type or goose-neck type.
汽车车架纵(横)梁弯曲成形模具折点的正确计算确定，对压制零件质量的提高起着重要的作用。
It plays a very important role in improving quality of pressing part that correct calculation of bend molding fold point on the vertical and horizontal girder in automobile support.
汽车车架纵(横)梁弯曲成形模具折点的正确计算确定，对压制零件质量的提高起着重要的作用。
It plays a very important role in improving quality of pressing part that correct calculation of bend molding fold point on the vertical and horizontal girder in automobile support.
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