2) depressed center flat car
凹底平车
1.
Described are the development process, main usage, technical parameters, main structure and testing of the D28 depressed center flat car.
介绍了D28型凹底平车的研制过程、主要用途、技术参数、主要结构及试验情况等。
2.
The inherent contradiction between the hunting motion stability and the curve negotiation performance of the D9A depressed center flat cars is solved.
对3D轴焊接构架转向架进行了全面的动力学性能仿真分析,兼顾空重车工况,协调解决了D9A型凹底平车的蛇行运动稳定性与曲线通过性能之间的固有矛盾。
3.
According to AAR Manual,calculations are made respectively for the lateral forces applied on vehicles due to deviation of the coupler while the drawing point is in different positions(on the bogie and on the carbody) of the new type speed increased 90 t depressed center flat car,so that basis is provided for determination of the overall scheme.
按照《AAR机务标准手册》,对新型提速90 t凹底平车的牵引点布置在不同位置(布置在转向架上和布置在车体上)时由于车钩的偏移而作用在车辆上的横向力分别进行了计算,为确定总体方案提供了依据。
3) concave
[英][kɔn'keɪv] [美][kɑn'kev]
凹圆弧底
1.
This paper presents a new method to design the disk cam with concave follower, and finds the relationship between the new kind of cam and the formal ones.
找出了凹圆弧底直动从动件盘形凸轮与原有凸轮之间的区别与联系,并统一了原有凸轮的设计方法。
2.
This paper presents a new method to design the disk cam with concave follower, and find the relationship between the new kind of cam and the formal ones.
本文找出了凹圆弧底直动从动件盘形凸轮与原有凸轮之间的区别与联系,并统一了原有凸轮的设计方法。
4) Depressed center underframe
凹底架
1.
In view of the first angle scheme of the depressed center underframe of the depressed center flat car in our country,the 1∶3 model simulation test method is given,the model and loading device are designed and manufactured.
针对国内首次凹底平车凹底架折角设计方案，提出了１∶３模型模拟试验方法，设计制造了模型及加载装置，通过测试，将模拟试验与有限元结构强度及刚度分析结果进行了对比分析研究。
5) hollow base cartriages
底凹弹
6) concave plane
凹底刨
补充资料：凹模壁厚及凹模垫板尺寸
型腔壁部投影面积 壁 厚， 毫 米
F， 厘米2 h1 h2 h3 h4 h5
<5 15~20 30~40 <=10 15~20 30~40
>5~10 20~25 40~50 10~15 20~25 40~55
>10~50 20~30 50~60 15~20 20~30 55~65
>50~100 30~35 60~75 20~25 30~40 65~70
>100~200 35~40 75~85 25~30 40~50 70~75
>200 >40 >85 30~35 50~60 >80
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条